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At Pfizer Oncology, we are at the forefront of a new era in cancer care. Our industry-leading portfolio and extensive pipeline includes three core mechanisms of action to attack cancer from multiple angles, including small molecules, antibody-drug conjugates (ADCs), and multispecific antibodies, including other immune-oncology biologics. We are focused on delivering transformative therapies in some of the world's most common cancers, including breast cancer, gastrointestinal cancer, genitourinary cancer, hematology-oncology, and thoracic cancers, which includes lung cancer. Driven by science, we are committed to accelerating breakthroughs to help people with cancer live better and longer lives. About the Pfizer, Astellas and Merck Collaboration Seagen and Astellas entered a clinical collaboration agreement with Merck to evaluate the combination of Seagen's and Astellas' PADCEV™ (enfortumab vedotin) and Merck's Keytruda ® (pembrolizumab) in patients with muscle-invasive bladder cancer (MIBC) who are eligible for cisplatin-based chemotherapy. Seagen and Astellas entered a clinical collaboration agreement with Merck to evaluate the combination of Seagen's and Astellas' PADCEV™ (enfortumab vedotin) and Merck's Keytruda ® (pembrolizumab) in patients with muscle-invasive bladder cancer (MIBC) who are eligible for cisplatin-based chemotherapy. Pfizer Inc. successfully completed its acquisition of Seagen on December 14, 2023. Keytruda is a registered trademark of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the United States and Canada).

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Free cash flow has been growing at -2.5% annually.

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Pfizer Inc (PFE) — Q4 2024 Earnings Call Transcript

Apr 5, 202623 speakers9,412 words90 segments

AI Call Summary AI-generated

The 30-second take

Pfizer had a strong year in 2024, meeting its financial goals and successfully integrating a major cancer drug acquisition. The company is now shifting its focus to improving the productivity of its research and development pipeline to drive future growth, while managing new pricing rules that will impact some of its medicines.

Key numbers mentioned

  • Full-year 2024 revenue of $63.6 billion
  • Full-year 2024 adjusted diluted EPS of $3.11
  • Capital returned to shareholders in 2024 of $9.5 billion
  • Debt reduction in 2024 of $7.8 billion
  • ELREXFIO full-year 2024 revenue of more than $130 million
  • Cost savings target by end of 2025 of $4.5 billion

What management is worried about

  • The impact of the IRA Medicare Part D redesign is expected to be a net headwind to the company's revenue of approximately $1 billion across the product portfolio.
  • Due to IRA changes, the company expects a higher gross to net impact on revenues for all drugs in the beginning of 2025.
  • The total adult RSV market volume decreased, driven by a reduction in vaccination rates in the U.S. for the older adult indication.
  • Looking into 2025 for Vyndaqel, they see headwinds from new entrants impacting both switching patients and new patient starts.

What management is excited about

  • They are confident that ELREXFIO will become a mega-blockbuster for Pfizer.
  • They are very excited with the robust improvement in PFS and OS for Braftovi in metastatic colorectal cancer and are looking forward to presenting this data.
  • They believe their next-generation CDK4 inhibitor could not only replace Ibrance but all CDK4/6 inhibitors in early-line breast cancer.
  • They see a potential for mid-term growth in RSV from policy updates to year-round vaccination and age expansion.
  • They have the capacity in the $10 billion to $15 billion range from a business development perspective within 2025.

Analyst questions that hit hardest

  1. Steve Scala (TD Cowen) - Danuglipron outcomes and R&D fixes: Management responded that data from an ongoing study would determine the future of danuglipron and that they are focusing the R&D portfolio on opportunities that provide the biggest value.
  2. Evan Seigerman (BMO Capital Markets) - Working with potential HHS Secretary RFK Jr.: The CEO gave an unusually long and politically nuanced answer, stating he was "cautiously optimistic" and focused on areas of potential collaboration despite disagreements.
  3. Dave Risinger (Leerink Partners) - RFK Jr.'s ability to alter vaccine liability: The CEO gave a defensive response, avoiding legal specifics and expressing optimism that radical changes would not find support.

The quote that matters

Pfizer knows how to execute well when we set our focus on something.

Albert Bourla — Chairman and CEO

Sentiment vs. last quarter

This section is omitted as no previous quarter context was provided.

Original transcript

Operator

Good day, everyone, and welcome to Pfizer's Fourth Quarter 2024 Earnings Conference Call. Today's call is being recorded. At this time, I would like to turn the call over to Francesca DeMartino, Chief Investor Relations Officer and Senior Vice President. Please go ahead, ma'am.

O
FD
Francesca DeMartinoChief Investor Relations Officer

Good morning, and welcome to Pfizer's earnings call. I'm Francesca DeMartino, Chief Investor Relations Officer. On behalf of the Pfizer team, thank you for joining us. This call is being made available via audio webcast at pfizer.com. Earlier this morning, we released our results for the fourth quarter and full-year 2024 via a press release that is available on our website at pfizer.com. I'm joined today by Dr. Albert Bourla, our Chairman and CEO; and Dave Denton, our CFO. Albert and Dave have some prepared remarks, and we will then open the call for questions. Members of our leadership team will be available for the Q&A session. Before we get started, I want to remind you that we will be making forward-looking statements and discussing certain non-GAAP financial measures. I encourage you to read the disclaimers in our slide presentation, the press release we issued this morning and the disclosures in our SEC filings, which are all available on the IR website at pfizer.com. Forward-looking statements on the call are subject to substantial risks and uncertainties, speak only as of the call's original date, and we undertake no obligation to update or revise any of the statements. With that, I will turn the call over to Albert.

AB
Albert BourlaChairman and CEO

Thank you very much, Francesca. Good morning, everyone. Thank you for joining us today. 2024 was a strong year of execution and performance for Pfizer. We were guided by clear strategic priorities, and we met or exceeded our goals for each one, while also delivering on our financial commitments. I'm pleased with the progress we made in executing transformative changes that strengthen our company. First, we successfully integrated the Seagen business, one of the largest investments we have made in the past decade, creating one of the best oncology companies in the industry. At the start of 2024, we split our commercial operations into two divisions, U.S. and international, and appointed two senior commercial leaders to increase focus in both. Aamir Malik and Alexandre de Germay have done a tremendous job to upgrade our commercial capabilities. They consolidated our external agencies down to one powerhouse global advertising company and leveraged the power of AI to transform our marketing and selling engine. New data-driven deployment of our commercial and medical field resources, precision micro-targeting in social media and elevation of the Pfizer brand and commercial communications are some of the strategies that have significantly increased our commercial and medical effectiveness and the returns on investments. We are seeing the impact of these actions in our strong financial performance and in the recognition of our market leaders. We earned the top position in the 2024 IQVIA U.S. Field Force Ranking report and improved our ranking to claim #1 or #2 spot in 70% of the specialties in which we focus. I'm also proud of our strong year of pipeline progress in 2024, including more than a dozen approvals, seven pivotal study starts and eight key Phase 3 readouts. I'm very excited with the changes in our R&D engine under its new leaders. Chris Boshoff moved fast to create four end-to-end R&D units focused on oncology, vaccines, internal medicine and inflammation and immunology. This structure fully empowers research units that can operate with the focus and agility of a biotech company, while tapping into our differentiated enterprise-wide capabilities such as AI-powered drug discovery and development. Our focus on financial discipline also has yielded good results. We ended the year with expanded margins after a series of actions to realign our cost base. And we strategically deployed capital to enhance shareholder value, investing nearly $11 billion in support of internal R&D programs, de-levering by $7.8 billion and returning $9.5 billion directly to shareholders through our dividends. Finally, we also reinforced our commitment to strong governance. Our two new Board members bring deep expertise in financial markets and shareholder value creation. All these changes have created a strong foundation and allow us to start the new year from a position of strength. So now let me speak about our 2025 priorities. Last year, we had a significant emphasis on improving our commercial effectiveness. In 2025, the emphasis will move to improving R&D productivity, while maintaining focus on margin expansion, commercial excellence and shareholder capital allocation. Let me start with R&D. Across our pipeline, we believe we have a strong year of catalysts ahead of us and expect our new R&D organization to achieve multiple key milestones, including the possibility of at least four regulatory decisions, up to nine potential Phase 3 readouts and 13 potential pivotal program starts. For example, with atirmociclib, our next generation highly selective CDK4 inhibitor candidate, yesterday, we dosed our first patient in a Phase 3 study in first-line metastatic breast cancer. We also anticipate starting an additional first-line study in combination with vepdegestrant, the ER degrader we are codeveloping with Arvinas. Our ADC sigvotatug vedotin continues its Phase 3 study in second-line non-small cell lung cancer, and this year, we expect to start a Phase 3 study in first-line non-small cell lung cancer. Our PDL1 ADC candida, a potential first-in-class PD-L1 targeting vedotin ADC, is expected to begin Phase 3 studies this year, one in first-line metastatic head and neck squamous cell carcinoma and one in second-line non-small cell lung cancer where the unmet need is significant. We have a robust clinical development program aimed at expanding our indications in multiple myeloma, and this year, we anticipate the readout of a Phase 3 study in double-class exposed relapsed refractory multiple myeloma, that, if successful and approved, will triple the addressable population versus the currently approved indication. In vaccines, we expect to start the Phase 3 study this year for our PCV-25 candidate covering 25 serotypes. This is important foundational work that could help us bridge to and accelerate progress with our fifth generation PCV candidate covering more than 30 serotypes. This year, we also expect to start a Phase 3 study for our C. diff vaccine candidate. In internal medicines, we remain on track to provide an upgrade of our dose optimization studies of danuglipron in the first quarter of this year. For ponsegromab, we expect to start a pivotal study this year in cancer cachexia that continues its Phase 3 study. Within I&I, we continue to progress a portfolio of medicines that include two potential first-in-class tri-specific antibodies currently in Phase 2. Now let's discuss our commercial strategy. 2024 was a strong year of commercial execution and we are pleased with our progress in improving performance of our newly launched products and gaining and maintaining market share for several of our core brands. I will start by highlighting the strength and impact of our oncology portfolio. Padcev plus pembrolizumab is an important growth driver as it has already become the #1 prescribed first-line treatment for locally advanced metastatic urothelial cancer in the U.S. We are expecting potential registrational interim data this year from ongoing pivotal studies in muscle invasive bladder cancer, which if successful and approved, would nearly triple the total addressable patients in the U.S. Braftovi/Mektovi achieved a 27% year-over-year worldwide operational growth and expanded its leadership position in multiple BRAF tumors, which are some of the hardest to treat cancer. Yesterday, we announced that BRAFTOVI in combination with cetuximab mFOLFOX6 showed statistically significant and clinically meaningful improvement in progression-free survival and overall survival in patients with metastatic colorectal cancer with BRAF V600E mutation. We are very excited with the robust improvement in PFS and OS and are looking forward to presenting this data in a scientific conference. Lorbrena, a treatment for adults with ALK-positive metastatic non-small cell lung cancer, achieved 37% worldwide year-over-year operational growth and is emerging as a potential standard of care in the first-line setting. Following last June's unprecedented CROWN trial data showing 60% of patients were alive without disease progression after five years, Lorbrena has seen a double-digit share increase in the first line in both new patient starts and new prescribers. ELREXFIO had a strong performance in 2024 with more than $130 million in full-year revenue and increasing overall share within the class of BCMA directed bispecific antibodies for patients with triple class-exposed relapse or refractory multiple myeloma in the United States. I also want to comment about our COVID-19 portfolio. We continue to see stabilizing patterns in the disease burden with a strong correlation between the COVID-19 burden of disease and Paxlovid utilization. We see the same stabilizing patterns in U.S. vaccination rates at relatively low levels. Our assumptions for 2025 are on par with this 2023 and 2024 patterns. And with the multi-year contracts we have secured in international markets, we are confident that our COVID-19 portfolio will continue to be a predictable and durable contributor to our business. In another key category, our Vyndaqel family of products achieved continuing momentum with 90% year-over-year growth in the U.S. and 32% operational growth in international markets. We drove progress in diagnosing more patients and improving access to this treatment for transthyretin amyloid cardiomyopathy. Eliquis is a core brand for Pfizer with 10% worldwide year-over-year operational growth. It is prescribed to millions of patients and we continue to strengthen its leadership position in a growing oral anticoagulant market. We are also pleased with the ongoing positive momentum for Nurtec with 36% worldwide year-over-year operational growth, driven by strong commercial execution. Nurtec is a leader in the oral CGRP class used for treating and preventing migraine with about 49% market share, and we see opportunities for continued growth. Our respiratory vaccines, Abrysvo and Prevnar 20, also are key products in our commercial portfolio. We have achieved a market leadership position for the season in shipped doses for Abrysvo with an approximately 13 percentage point increase in market share, and remain confident in our ability to retain our position through strong commercial execution even as we see a decrease in the total adult RSV market volume, driven by a reduction in vaccination rates in the U.S. for the older adult indication. We are also continuing to see positive momentum in key regions such as Europe and Latin America and are also seeing a strong demand for our maternal indication. Abrysvo's season-to-date cumulative maternal vaccination rate nearly tripled compared to last season. With Prevnar, we are confident that we are well positioned for strong sustained leadership with over 87% market share in the U.S. across indications. Globally, the pediatric market accounts for approximately two-thirds of our Prevnar revenues, and we also continue to make progress for the adult indication in key international markets. We are encouraged by opportunities to maintain our leadership in the PCV space with our next-generation PCV-25 candidate mentioned earlier. In Phase 1, we demonstrated potentially improving immunogenicity for serotype 3, one of the largest contributors of disease at approximately 20% of invasive disease in adults aged 65 and older in the United States and Europe. Across our commercial portfolio in 2025, we are confident that we are in a strong position to build on our 2024 success and achieve commercial excellence in our key categories of oncology, cardiovascular, migraine, vaccines and immunology. With that, I will turn it over to Dave.

DD
Dave DentonCFO

Thank you, Albert, and good morning, everyone. I'll build on Albert's comments by reinforcing that we are very pleased with the financial results for both the fourth quarter as well as the full-year of 2024. These results demonstrate that our focus and execution against our strategic priorities are driving both positive patient outcomes as well as financial and operational strength. In addition to our strong top line performance, our cost reduction programs are creating a more efficient organization, driving operating margin improvement. And as we move into 2025, these efforts will continue to lay the groundwork for potential increased capital returns and reinforce our commitment to maintaining and growing our dividend while enhancing long-term shareholder value. With that said, let me start with our full-year and fourth quarter results, then I'll touch on our capital allocation priorities. I'll finish up with a few comments on our 2025 guidance, which we are reaffirming today, and our near-term expectations that will continue to drive our growth potential in the latter half of the decade. For the full-year of 2024, we recorded revenues of $63.6 billion versus $59.6 billion last year. Importantly, our operational revenue growth when excluding contributions from our COVID products was 12%, exceeding our expectations of 9% to 11%. Full year 2024 adjusted gross margins expanded to 74% as we continued to drive cost improvements across our manufacturing network. On the bottom line, we reported full year 2024 diluted EPS of $1.41 versus $0.37 last year, and adjusted diluted earnings per share of $3.11 versus $1.84 last year, significantly ahead of expectations due to our overall strong performance. Now turning to the fourth quarter performance versus the same period of last year, let me walk down the P&L. Total company revenues were $17.8 billion versus $14.6 billion in the fourth quarter of last year. Once again, our non-COVID-19 products exhibited robust performance with revenues of $13.7 billion reflecting 11% operational year-over-year growth. This performance continues to show that our refined commercial approach is working. We continue to focus on key products and geographies. We've refined how we allocate our commercial field resources globally. And we're further optimizing our marketing resources into key priority areas. We saw strong contributions across our product portfolio, primarily driven by the Vyndaqel family, Padcev, Eliquis and Nurtec, partially offset by declines in Abrysvo and Xeljanz. Adjusted gross margin in the fourth quarter was approximately 68%, primarily the result of a net unfavorable mix related to our COVID-19 products, primarily due to the Comirnaty profit split with BioNTech and applicable royalty expenses. This was partially offset by our ongoing focus on cost management across our manufacturing network, as I previously mentioned. And as we previously communicated, long-term improvements in gross margin will remain a key focus for the company over the next few years. We expect to begin to achieve initial savings from Phase 1 of our manufacturing optimization program in the latter part of 2025 and continue to expect approximately $1.5 billion in savings from this first phase by the end of 2027. We continue to evaluate other strategies to improve our network structure and as well as our product portfolio. And we plan to share more information on those components of the program once it becomes available. Total adjusted operating expenses are essentially flat operationally at $7.3 billion in the fourth quarter of 2024. And I will note that this amount includes spending acquired via our Seagen transaction. Looking at the components specifically, adjusted SI&A expenses decreased 4% operationally, driven primarily by a decrease in marketing and promotional spend for various products, including both Comirnaty and Paxlovid, partially offset by an increase in spending for certain oncology, recently launched and acquired products. Adjusted R&D expenses increased 8% operationally, driven primarily by net increase in spending, mainly to develop certain product candidates acquired from Seagen, partially offset by lower spending on ongoing vaccine programs and certainly as a result of our cost realignment program. We continue to be disciplined with our operational expense management and delivered on our goal of at least $4 billion in net cost savings from our cost realignment program. Q4 reported diluted earnings per share was $0.07, and our adjusted diluted earnings per share was $0.63, benefiting from our top line performance as well as our efficient operating structure, partially offset by a higher effective tax rate driven primarily by jurisdictional mix. In support of our goal to enhance R&D productivity and to focus on high-impact medicines, our fourth quarter GAAP results reflect strategic decisions in our development plans and updated long-range revenue forecasts for several medicines. As a result, we recorded approximately $2.9 billion in noncash intangible asset impairments related to several medicines in development as well as several in-line products. These decisions reinforce our focus on future growth as well as innovation. Now let me quickly touch upon our capital allocation strategy, which is designed to enhance long-term shareholder value. Our strategy consists of maintaining and growing our dividend over time, reinvesting in our business at an appropriate level of financial return, and finally making value-enhancing share repurchases after delevering our balance sheet. In 2024, we returned $9.5 billion to shareholders via our quarterly dividend, invested $10.8 billion in internal R&D, and as expected, completed business development activity was minimal. Our commitment to delevering our capital structure to a gross leverage target of 3.25x by the end of 2025 remains a key priority. In support of that goal, in 2024, we delevered by approximately $7.8 billion, paying down approximately $2.3 billion in maturing debt and approximately $5.5 billion in commercial paper. And in January of '25, we monetized another tranche of our Haleon shares, which for reporting purposes is a Q1 '25 event. We received approximately $3 billion in net cash proceeds, and now our ownership in Haleon was reduced from approximately 15% to approximately 7%. We intend to monetize our remaining Haleon investment in a prudent fashion during 2025. Overall, in Q4, we generated robust operating cash flows which combined with the most recent Haleon net sales proceeds of approximately $3 billion, resulted in significant free cash flow generation as we enter 2025. Our objective remains to delever and return to a more balanced allocation of capital between reinvestments and direct return to shareholders over time. Given we issued our full year 2025 financial guidance on December 17, let me just hit a few highlights. We expect total company full year '25 revenues to be in the range of $61 billion to $64 billion and full year '25 adjusted diluted earnings per share to be in the range of $2.80 to $3 a share, which reflects our expectation of strong contributions across our product portfolio as well as our focus on disciplined cost management. Importantly, we believe the steps taken to right-size our cost base will put us on a strong footing towards increased operational efficiency and support our goal to return to pre-pandemic operating margins. In further support of this initiative, we now expect to deliver overall net savings of $4.5 billion from our ongoing cost realignment programs by the end of 2025, while continuing to advance programs that will improve cost of goods sold in the years to come. As a reminder, the impact of the IRA Medicare Part D redesign is expected to be a net headwind to the company's revenue of approximately $1 billion across our product portfolio, dampening growth by approximately 1.6% versus 2024. The impact of catastrophic coverage is expected to exceed the potential volume benefit from the reduction of the patient out-of-pocket cap, leading to a negative impact beginning in early in the year, while the positive impact of lower patient out-of-pocket costs is expected to build throughout this year. As the IRA is felt more acutely in higher-priced medicines, we expect Vyndaqel, Ibrance, Xtandi and Xeljanz to reach catastrophic coverage much earlier in the year. And due to these changes, we expect a higher gross to net impact on our revenues for all drugs in the beginning of 2025 that is expected to moderate throughout the remainder of the year when compared to 2024. Lastly, I will mention that we continue to monitor currency fluctuations as the year progresses. In closing, let me just emphasize several key aspects of our business. We believe our financial targets for 2025 are both reasonable and achievable, reinforcing our commitment to operational excellence. We also believe our revenue volatility is largely in the past as COVID-related uncertainties have diminished. Additionally, our cost improvement programs have set the stage for ongoing margin expansion. We will continue our focus and execution to maximize the commercial value of our product portfolio. Our new R&D leadership is committed to driving value-creating innovation and strengthening our pipeline. Lastly, we have a clear path to reloading our balance sheet, enabling enhanced capital deployment in pursuit of additional opportunities to strengthen our business and create value for our shareholders. We are dedicated to maintaining and growing our dividend and meeting our delevering targets by the end of 2025, providing for a more balanced capital allocation. With that, I'll turn it back to Albert to start the Q&A session.

AB
Albert BourlaChairman and CEO

Yes. Thank you, David. But before we turn to the questions, I would like to close the year with one comment. Pfizer knows how to execute well when we set our focus on something. We saw what we could do in 2020 when we rapidly developed and prepared to manufacture billions of doses of the COVID-19 vaccine, in '21 when we repeated the same with Paxlovid, and in 2022 when, with successful commercialization, we exceeded $100 billion in full-year revenue. In 2023, despite the difficulties with the rebased COVID-19 expectations, we invested in our future with a big bet in oncology with the acquisition of Seagen. Last year, we exceeded expectations repeatedly with four consecutive quarters of strong financial performance from our disciplined commercial execution. Now as we are directing similar focus and our proven ability to execute on our R&D pipeline, we are confident that we are well positioned to drive meaningfully improved productivity. And with that, operator, please assemble the queue.

Operator

We'll go first to Steve Scala with TD Cowen. Please go ahead.

O
SS
Steve ScalaAnalyst

Thank you so much. I have two questions. First, on the danuglipron dose optimization data, it's apparently still on track for the first quarter of this year. What is the range of possible outcomes? And is dropping this version of the compound a possibility? And what would be the next step? Second question is, Chris Boshoff, I assume he's on the line. Under the heading of nothing is perfect, can you share with us two or three things in the Pfizer R&D portfolio or system that you think need to be fixed? New leaders usually say they want to move quicker, but sometimes they also thoroughly go through the portfolio and shed many projects. Is that also a possibility? Thank you.

AB
Albert BourlaChairman and CEO

Chris?

CB
Chris BoshoffHead of R&D

We start with danuglipron. So for danuglipron, just to be clear, we and as we stated previously, we're now targeting first quarter to have data from the ongoing dose optimization and formulation study, the PK study, and we're on track to deliver that in Q1. We haven't seen the data yet, but obviously, that data will then determine decisions for the future of danuglipron. On your second question, as we've recently announced, we already focused our portfolio further. We've now established four end-to-end therapeutic areas: oncology, vaccines, internal medicine and inflammation and immunology. Part of that will be to focus on those opportunities that could provide the biggest value both for patients and for Pfizer. So you will see during the coming months how we further focus and execute and accelerate those medicines we believe could be potential future blockbusters.

AB
Albert BourlaChairman and CEO

Thank you, Chris. And Steve, you're right, usually new leaders take their time to assess. But the good news with Chris is that he knows the Pfizer organization well. I'm very impressed with the speed and thoughtfulness that he's deploying his changes. Already, he announced the new organizations that selected a lot of leaders and refocused our pipeline in collaboration with Andrew Baum. So next question, please.

Operator

We'll go ahead next to Geoff Meacham with Citibank. Please go ahead.

O
GM
Geoff MeachamAnalyst

Good morning, everyone. Thanks for the question. Just had a couple of quick ones. So for the COVID franchise, you guys talked about stabilizing revenue for this year. Maybe just give us some level of conviction and your level of investments in this business kind of going forward. I think most investors kind of would like for it to be viewed as just maybe upside to the story. And then from a capital allocation perspective, when you guys think about the appetite for potential business development as you reprioritize or look at the pipeline and evaluate a lot of the assets and say early to mid-development, just want to get a sense from you guys for the appetite for growing out the number of therapeutic areas, if you had more optimization to do that can be achieved through business development. Thank you very much.

AB
Albert BourlaChairman and CEO

Aamir?

AM
Aamir MalikHead of Commercial Operations

So Geoff, on COVID, maybe I'll start with Paxlovid. You saw Albert describe; we have multiple years now of reference where Paxlovid utilization tracks directly to the level of disease outbreak. The year 2024 was no different. So we know that to be the case. We've also put in place a very effective commercial model in Paxlovid that allows us to deliver on that and continue to improve. In fact, if you look at 2024, we had higher physician treatment rates than '23 and we also had gains in market share versus '23. So we know we have a model that works. Regarding resource allocation, we have targeted our resource modeling for Paxlovid so that we are investing in the places where it's relevant when it's relevant. That's evident in the results. We had a very big summer and early fall wave of COVID in '24. Then we had a milder and shorter winter wave. You see that reflected in Paxlovid utilization. We've also ensured that we have the right pricing model in place and established a new agreement with the U.S. government on our Paxlovid contract that defines the eligibility for the U.S. government pack going forward. So there is clarity on that for January, February and into March. Regarding vaccinations on Comirnaty, again, we saw a pattern in '24 that very closely mirrored '23. So vaccination rates were quite stable. Here, we also saw an improvement in our market share position for Comirnaty, and we are confident that our commercial execution both regarding the retail setting and the non-retail environment will continue to put us in good stead as we move forward.

AB
Albert BourlaChairman and CEO

Thank you. In international, the same time here, we have contracts with our multi-year contracts that are covering not only this year, but the year after. So all of that makes us feel that this is a very stable and predictable revenue stream. Let's move to capital allocation and then, Dave, maybe also, Andrew, you can comment on the business development.

DD
Dave DentonCFO

Albert, I'll be real quick. From a capital allocation perspective, I'm very pleased with the company's cash flow generation throughout 2024 as we've continued to enhance our cash flow yield. Number one; number two, we continue to aggressively de-lever. Now, as we enter 2025, we'll be in a position from a cash and a de-levering perspective to have a more balanced capital allocation strategy, allowing us to do slightly bigger business development programs if desired in 2025. With that, maybe I'll pass it over to Andrew to give some context around how we're thinking about that.

AB
Andrew BaumHead of Business Development

To recap what Chris says, we have narrowed our current therapeutic areas to four: oncology, vaccines, internal medicine, and inflammation and immunology. It's fair to say that those are fairly broad areas; they are big buckets that you can put lots of therapeutic indications in. If we were to explore adjacencies or indeed, therapeutic areas where historically Pfizer hasn't been active. I think firstly, we'll be looking for truly breakthrough science that's tractable with a drug. Second, an unmet medical need that we feel that can be monetized. Thirdly and most importantly, we have to have the talent with it in order to develop those assets if we go into a therapeutic area that is one that is unfamiliar to us or we don't have that talent from the past.

AB
Albert BourlaChairman and CEO

Thank you very much, Andrew and Dave. Next question, please.

Operator

We'll go next to Chris Schott with JPMorgan. Please go ahead.

O
CS
Chris SchottAnalyst

Great, thanks so much. Just two questions for me. Coming back to capital deployment. Dave, just to build on those comments, you talked about slightly larger business development transactions. Can you just help size the range of what Pfizer is able to look at from here and how you think about balancing business development versus share repurchase, which I think you talked about as you started to de-lever would be part of the story? The second is on the RSV market. Can you talk a little bit about the thinking on the size of the opportunity from here and the potential for growth, given some of the 2024 results, both the U.S. as well as globally? Thank you.

DD
Dave DentonCFO

Yes. As far as capital deployment goes, Chris, the good news is the company has very robust cash flow generation capabilities. Over time, we'll be able to do dividends as well as business development and value-enhancing share repurchases. Specifically, as we come into 2025, given the strength of the company from a cash flow perspective, we have the capacity in the $10 billion to $15 billion range from a business development perspective within 2025 if we chose to focus in that area.

AB
Albert BourlaChairman and CEO

Thank you. Aamir and Alexandre, the RSV?

AM
Aamir MalikHead of Commercial Operations

Very quickly, in the U.S., the market did decrease in 2024, and that's something that we have been signaling for quite some time. This was due to shifts in ACIP as well as the early adopters of the vaccine in 2023. The important thing for us, the things that we can control, the strength of our commercial execution led us to the leading market share of doses shipped to end-customers at 50% for 2024, and an improvement in the shots in arms market share by 18 percentage points versus last year. As we look forward, in the absence of any major policy or ACIP change in '25, the RSV market likely won't grow, but there are a lot of catalysts for mid-term growth. One is any policy updates to year-round vaccination. Second, age expansion for 18 to 59-year-olds at risk, where we have great data, as well as potential revaccination recommendations as data becomes more available. Those are midterm growth catalysts. In the meantime, we remain confident in our ability to execute as that evolves.

AG
Alexandre de GermayHead of International Commercial Operations

On the international front, Chris, what we see in this quarter is the beginning of the financial impact of the work we've done in approving and getting through the BTC and the payers for Abrysvo. In the countries where we received positive BTC and got reimbursement, we start to see great execution working hand-in-hand with the authority in ACIP. Let me give you two examples in maternal immunization. In the U.K. after winning the exclusive tender, healthcare professionals vaccinated over 60% of the eligible pregnant women in just one quarter in Q4. In France, in a competitive setting, Abrysvo was administered to over 40% of the eligible pregnant women in just Q4. Thus, we see a potential as we move into 2025 in the MI, a great opportunity to expand usage and to grow. Of course, that is not just in the developed market, but also in emerging markets. For example, Abrysvo was listed at the Pan-America Health Organization. Thus, starting this year, we can have Latin American countries contracting Abrysvo. In the OA, we see some traction and the vaccination campaign in the U.K. already reached 44% of the eligible population, and regional vaccination was granted late 2024 in about half of the German population, with expectations for full German population access in Q1 2025. So again, on maternal immunization and older adults, plenty of opportunity to grow.

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Albert BourlaChairman and CEO

Thank you. Next question, please.

Operator

We'll go next to Vamil Divan with Guggenheim Securities. Please go ahead.

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Vamil DivanAnalyst

Yes, great. Thanks for taking my questions. So maybe a couple if I could on the pipeline. So Prevnar 25-valent you mentioned starting Phase 3 in adults this year. Just curious if you can comment on what you've seen so far that gives you comfort in moving up for when we might see the data publicly. And also any updates on the pediatric population and where things stand there. The second one is on Ponsegromab. You have the, obviously, cancer cachexia, which you're starting Phase 3; we also noticed in the Phase 2 heart failure program, you increased the patient enrollment significantly there. Just curious if you can provide any perspective on what drove that change and just maybe your broader views on the heart failure opportunity for that product? Thanks.

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Albert BourlaChairman and CEO

Chris?

CB
Chris BoshoffHead of R&D

First of all, PCV-25, as Albert mentioned, this is an ongoing Phase 2 study with a potential best-in-class vaccine. The Phase 2 study is ongoing in both adults and pediatrics. As we've mentioned earlier, serotype 3 is very important and is emerging as a major player, with up to 20% to 30% of the population affected by this serotype. We're pleased that we now see what looks like best-in-class immunogenicity against serotype 3. On the pediatric front, as you mentioned, the study is still ongoing. We hope to provide additional data later this year. Everything we've seen so far suggests to us that we've got improved immunogenicity of PCV-25 versus our current vaccine. Just a reminder as well, we do have a fifth generation vaccine 30-plus, that's also now in preclinical development that we hope to launch in Phase I later this year.

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Albert BourlaChairman and CEO

On ponsegromab, very quickly, we're excited about the data for cancer cachexia. The cancer cachexia study should start later this year in a Phase III experience. We stopped the development of the cardiovascular study. Thank you. I want to emphasize that the development strategy on PCV-30-plus involves developing PCV-25, so a refined strategy, which is development and regulatory, that will allow us to accelerate 30-plus by investing now in 25, which will come earlier, of course, to the market. I think there was a question also on the penetration of PCV. Right now, both pediatric and adult, we have very, very high market share. We reported 87% market share. Next question, please.

Operator

We'll go next to Courtney Breen with Bernstein. Please go ahead.

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Courtney BreenAnalyst

Hi, everyone. Thanks for taking my call today. Thanks for the details on how you're thinking about the R&D organization. Just a clarifier, and perhaps you can help us understand the strategy a little bit more here. It sounds like you're shifting into four R&D organizations. I also heard reference though to end-to-end area. So can you talk about whether these are similar or different to how oncology was set up earlier this year? Additionally, can you talk about how you're allocating investment across R&D across those four separate engines? How are you making sure that the bar is high in all of those different therapeutic areas and ensuring you've got the right prioritization given the independence of these units?

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Albert BourlaChairman and CEO

Thank you. That's a great question. Chris, start, and then Andrew can chime in.

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Chris BoshoffHead of R&D

Yes. For oncology, as you stated, since the beginning of 2023, we had an end-to-end organization covering discovery, early-stage development, late-stage development, and medical. We already had that in vaccines since 2009. We built the same structure for I&I and internal medicine. Essentially, all four of those will be end-to-end organizations for quicker decision-making and quicker handover between discovery, Phase 1, and then from early development into late-phase development.

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Andrew BaumHead of Business Development

Yes, Courtney, you hit upon a critical question. Historically, there's no shortage of first-in-class breakthrough molecules that we've successfully shepherded through development. However, some of those haven't delivered in terms of financial revenues, and therefore, to shareholders. The key issue is ensuring successful portfolio prioritization, bringing that commercial lens to much earlier during the process, and having estimates derived in an unbiased way that are dynamic and subject to continued revision. In my role as chair with the PMT since I joined Pfizer partnering with Chris, we have been working through that pipeline, starting with the late-stage assets, and then moving earlier, to make sure decisions we make drug by drug, indication by indication are ones that deliver value for shareholders as well as the patients.

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Albert BourlaChairman and CEO

Thank you for the question, Courtney. I want to also chime in and say that in the R&D organization that we have right now, I think it's very, very strong capabilities. It's proven with the number of approvals—13 last year and the same number in '23. No one even had close to these numbers. Our success rate at 17% compared to 10-11% of the industry shows few that have these success rates. In terms of time to market, we are approximating 5.6 years when most of the industry is closer to 7-8 years after improvements. However, looking back, I don't think that we could have done way better in choosing the right products to focus our R&D capabilities, which is what Chris and Andrew, with the commercial assessments, will try to do. The good news is that if it was a question of capabilities to improve R&D productivity, that would be a multi-year undertaking. When it is a question of refocusing investments, that's quicker. I'm very optimistic that the results will come out very, very quickly. With that, let's go to the next question.

Operator

We'll go next to Evan Seigerman with BMO Capital Markets. Please go ahead.

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Evan SeigermanAnalyst

Hi guys. Thank you so much for taking my question. Congratulations on all the progress. Given RFK Jr.'s approval by the Senate Finance Committee this morning, can you walk me through how you plan on working with him as a likely head of HHS, especially with his views on vaccines and general skepticism of the pharma industry?

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Albert BourlaChairman and CEO

Yes. I was also informed that the Senate committee voted in favor of him. I think his confirmation is pretty much secure right now. Of course, we will see what the full Senate will do. Look, I mean, we have, with the Trump administration, as the pharma industry, particularly, what's big as Pfizer had very good relations. Personally, myself, I have a very long-lasting relationship with the President, which was cemented during Operation Warp Speed when we developed the vaccine for COVID. The President is very proud of what was accomplished, and he has made public statements on that. We met with Mr. Kennedy; actually, the President introduced me to him and we had dinner together, where we tried to understand his view. I focus more on the things that we clearly disagree with, like the vaccines, but on the things that we can agree and do things together. Those are things in chronic diseases, cardiovascular diseases, and more importantly, in cancer, which is very high in the mind of the President and Mr. Kennedy. I met him a few times; we expect collaboration. I don't know if we'll agree on everything regarding vaccines, but I think he will have a much more tempered view on how to interact with vaccines. I don't want to speak about him further. I think there are opportunities that outweigh the risks of the radical change we see from the Trump administration. So I'm cautiously optimistic. Now let's move to the next question.

Operator

We'll go next to Kripa Devarakonda with Truist Securities. Please go ahead.

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Kripa DevarakondaAnalyst

Hey guys, thank you so much for taking my question and congratulations on the progress. I have a question on your breast cancer franchise. You recently announced a strategy for developing your CDK4 in frontline breast cancer as a monotherapy and also in combination with vepdegestrant, the ER PROTAC. As the landscape evolves with other CDK4/6 inhibitors, different combinations, how do you see Pfizer's portfolio in breast cancer evolve over the next few years? Do you see this strategy as getting a piece of the broader pie? Or are there areas with your CDK4 and vepdegestrant where you think you could establish a niche? Also, with the Phase III data from vepdegestrant expected any time in the first quarter, what needs to happen with these data for it to be considered competitive? Thank you.

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Albert BourlaChairman and CEO

Chris?

CB
Chris BoshoffHead of R&D

Thank you very much. We are fortunate because we've got a lot of optionality in breast cancer. I'll start with CDK4; we believe this is a best-in-class CDK inhibitor. We've seen favorable compliance and treatment-related adverse events as well as discontinuation rates. We are optimistic that CDK4 could not only replace Ibrance but all CDK4/6 inhibitors in early-line breast cancer, including first-line and potentially in the future, also in the adjuvant setting. The first-line study is now ongoing, with atirmociclib in combination with letrozole. We also expect the readout for vepdegestrant in the second-line setting with a de-risk study that includes the ESR1 population as well as the all-comer population. That medicine potentially could become a replacement for backbone endocrine treatment. We're planning a study in the first-line setting combining vepdegestrant plus CDK4 in first-line ER-positive breast cancer. I also want to mention KAT6 because KAT6 is an epigenetic molecule; this is the first-in-category medicine. We've seen very exciting data in later-line disease. We are accelerating that also into a registration study with an ongoing Phase 3 trial in second-line-plus ER-positive breast cancer.

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Albert BourlaChairman and CEO

Thank you. Was there a question also for danuglipron? No, it wasn't. Okay, good. Let's go now to the next question please.

Operator

We'll go next with Terence Flynn with Morgan Stanley. Please go ahead.

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Terence FlynnAnalyst

Great, thanks so much for taking the question. Maybe two for me on the pipeline. On ELREXFIO first, just on the commercial side, can you talk about what you're seeing in terms of uptake at the academic versus community centers? Are you seeing any broadening out into the community setting? Or is that really going to be contingent on getting some of the earlier line data that you're expecting later this year from the Phase 3 trial? And then on danuglipron, on the dose optimization study, can you just kind of clarify how much data you're going to share later this quarter? Will we get weight loss data? Will we get tolerability data? How much data will be in the initial press release? Thank you.

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Albert BourlaChairman and CEO

Thank you. Aamir?

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Aamir MalikHead of Commercial Operations

Yes. We're excited about the momentum on ELREXFIO. We continue to see an increase in share in new patient starts quarter-over-quarter, in the class. The uptick includes community receptivity and awareness and new account adoptions. With the slew of trials, assuming they're successful, I think there's a lot of momentum behind ELREXFIO. Over the course of this year, we expect it to grow rapidly, driven primarily by increased demand in our top 100 accounts as well as increasing adoption in the community setting, which positions ELREXFIO very well for the future as we expand indications into earlier lines of therapy in 2026 and beyond.

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Albert BourlaChairman and CEO

I was impressed with the community oncologist uptake of this product and how quickly it happened in the U.S. We have very good news for ELREXFIO in the international market as well. Alexandre?

AG
Alexandre de GermayHead of International Commercial Operations

Yes, indeed. ELREXFIO was commercially launched in six markets in 2024, out of our top 15 markets, quite fast penetration. In 2025, we expect to get into an additional 18 markets and four of our top 15 markets will launch this year. The combination of the expanded access and the performance of the brands where we've introduced the product gives us great confidence for accelerated growth. To give you a sense, Japan is the second largest market outside of the U.S. and we had a significant and very rapid demand in Japan where ELREXFIO was the first to market, BCMA bispecific. We've seen acceleration of utilization in the community in Japan. We expect to continue this leadership position in 2025. The combination of increased access and where we already introduced the growth expansions gives us two reasons to believe the product has great potential.

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Albert BourlaChairman and CEO

In general, we believe that ELREXFIO will become a mega-blockbuster for Pfizer. In the first year, we had more than $130 million of sales. In a very niche indication, this is triple refractory, which means patients that they have a short duration of treatment and they have failed after everything else that was tried. As we move to the next line and to the first line, we believe that this product will become a significant oncology product for Pfizer. Let’s move to danuglipron, Chris.

CB
Chris BoshoffHead of R&D

Just to reiterate, in Q1, we expect the PK data; we're on target for that. This is looking at different formulations and will determine the dose selection for once-a-day tablet, for once-a-day approach for a potential registration strategy. Though you mentioned weight loss, that is a secondary endpoint of the study. This is a smaller study and per-study, so it will have limited reliability for weight loss data from a small number of patients.

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Albert BourlaChairman and CEO

Thanks. Next question?

Operator

We'll go next to Mohit Bansal with Wells Fargo. Please go ahead.

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Mohit BansalAnalyst

Thank you very much for taking my question. Maybe if you can talk a little bit about Prevnar. How are you seeing Prevnar share? You did talk about the market share here, but in terms of the pediatric versus adults, how are you seeing the market share evolving, now that there is also an expansion in the next few years? There is also a lower added eligibility in terms of age. So can you talk a little about these dynamics? How do you see the market evolving here?

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Albert BourlaChairman and CEO

Let's start with international and then we go to the U.S.

AG
Alexandre de GermayHead of International Commercial Operations

On Prevnar, in international markets, two-thirds of the business comes from the pediatric indication. With our Prevnar pneumococcal vaccine, we have maintained exclusivity in an IP in about 140 markets around the world. That gives you the breadth of our pneumococcal vaccine. Our intent is to replace Prevnar 13 with Prevnar 20. If we go into the details, in emerging markets, we have a very large part of babies every year, around 76 million new babies. Alongside our great collaboration with the Gavi organization, we have demonstrated double-digit growth of our Prevnar franchise this year. In the developed markets, following the EMA and Japan approval, we started to gain VTC approval and funding. Where we see that, we are recapturing business that went to competition. For example, in Japan, Prevnar 20 was approved in March, got the VTC recommendation in October, and our market share in first dose went from 3% in September to 86% in December.

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Albert BourlaChairman and CEO

In the U.S., we have a very strong position in the adult market. We will face competitive pressure over 2025 from capacity. We're confident that we will maintain meaningful market share due to our commercial execution and the preference of many accounts, particularly non-retail accounts, to stock a single vaccine. While we don't see much catch-up opportunity in the 65-plus, we think there is growth opportunity in the 50 to 64 age group, bringing about 30 million adults into the eligible population. We also saw a 12 percentage point improvement from August 2023 to December 2024 in our pediatric market share. We'll continue to retain that leadership share and expect volumes to be more stable here. Thank you very much. Next question.

Operator

We'll go next to Dave Risinger with Leerink Partners. Please go ahead.

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David RisingerAnalyst

Yes, thanks for the introduction. Thanks for all the updates. My question is just going back to RFK Jr. Assuming he is confirmed as HHS Secretary, and given his history of suing manufacturers and his commentary on lawsuits in the hearings last week, could you just help us understand his ability as HHS Secretary to remove U.S. vaccine liability protections that manufacturers currently benefit from and allow manufacturers the freedom to develop and sell vaccines that save lives? Thank you.

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Albert BourlaChairman and CEO

I don't want to comment on these legal issues, but I believe that the liability is through Senate approval. I don't think anyone can change that without, let's say, Senate approval. I know that creates turbulence in the market today. With RFK, it was almost certain he will get confirmed. We have engaged with him early enough to mitigate issues. If he does the things he has said in the past, during the hearings, yes, he tempered his statements on vaccines. If he tries to do some of the things that he said in the past, he won't find support from the industry; he will find opposition from the total medical community, scientific community, and payers. They don’t want to see a reduction in vaccination because it's very cost-effective for controlling healthcare costs. More importantly, this is not what the Trump administration would like, given another health crisis. I would say that I feel cautiously optimistic that they will be prudent with everything they try to do. Let's go to the next question.

Operator

We'll go next to Trung Huynh with UBS. Please go ahead.

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Trung HuynhAnalyst

Hi guys, thanks for the questions. Just two from me. First, going back to Abrysvo, I think Aamir noted potential policy changes in RSV. Do you have any insight if there's going to be a discussion from ACIP on revaccination or cohort expansion this year? I guess that could be a positive for your guide. Second, on Padcev's potential registrational muscle invasive bladder cancer trial, generally, cystectomy is used to cure patients in this setting. I’m just wondering how you're going to position this, and how quickly could you penetrate this population if approved? Thanks very much.

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Albert BourlaChairman and CEO

Thanks. Very quickly, Aamir, on Abrysvo, and then we go to Chris.

AM
Aamir MalikHead of Commercial Operations

Yes. What I described were the catalysts that could result in market expansion for Abrysvo. Obviously, it's too early and not our place to comment on what exactly ACIP is going to take on it, or when.

CB
Chris BoshoffHead of R&D

Regarding Padcev, this is an event-driven study. We hope by the end of this year to have the outcomes. The muscle invasive population is about 28,000 in the U.S. alone, which could more than double the currently eligible population. There's no standard treatment other than surgery, cisplatin for patients who are considered cisplatin ineligible leading to a real need for both adjuvant and neoadjuvant treatment. We are very excited if these studies are positive and what we've seen gives us confidence in these data.

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Albert BourlaChairman and CEO

Thank you. Next question?

Operator

We'll go next to Akash Tewari with Jefferies. Please go ahead.

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Akash TewariAnalyst

Hey, thanks so much. Just on danuglipron, it looks like you're using a bilayer immediate release and matrix technology here. You don't actually test your bilayer formulation until the second half of your weight loss trial. Is that what your team is waiting on before you make a formal update? Or is it perhaps the Lilly Orforglipron data that's also going to factor into this decision? Thank you.

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Albert BourlaChairman and CEO

I don't think we can disclose the technology. I know that there were speculations into the marketplace, but we haven't disclosed the technology. So I’m not sure we can say much. But Chris, do you want to add anything?

CB
Chris BoshoffHead of R&D

No, I don't think we need to add right now.

AB
Albert BourlaChairman and CEO

Let's go to the next question.

Operator

We'll go next to Chris Shibutani with Goldman Sachs. Please go ahead.

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Chris ShibutaniAnalyst

Great, thank you. A quick one on the pipeline and another on business development strategy. On the pipeline, I noticed in Phase 2, you've advanced the GIP antagonist. Is that something that you'll be continuing to share data on, particularly as a monotherapy? Do you have any efforts on going to do a combination? In terms of business development strategy, I think the vocabulary you used included a capacity of perhaps in the $10 billion to $15 billion range. I'm curious to know what you're solving for with this. I ask this in part because, historically, there has been a view of using cash to acquire $25 billion in revenue by the end of the decade. But now when we think about where we are in this decade, could you be solving for structurally? There seem to be approaches sourcing assets from China, for instance. Many of your competitors are doing this. Are you solving for near-term revenues, or are you looking to use other methods, including partnerships over M&A? That would be helpful. Thank you.

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Albert BourlaChairman and CEO

Yes. Let me start a little bit on the business development side, and then you can chime in. We've acquired $20 billion of revenue. We are very confident that we will hit this number. So far, so good. Looking forward, we are looking at more strategic opportunities right now, which will enhance pipeline in areas that we would like to play rather than simply pursuing near-term revenues.

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Andrew BaumHead of Business Development

So the keyword is strategic. Everything we do will be through a strategic lens of building around our core competencies or building competencies in areas that we have not been active in previously, if that's what we decide to do. On your point regarding China, it has not escaped our attention. The innovation from China across multiple therapeutic areas is evident, especially in oncology seven years ago, and now it is expanding to most therapeutic areas. They are mostly fast-forwards, but I expect that will change as well. It's a scenario we are very active in and continue to have fruitful discussions.

AB
Albert BourlaChairman and CEO

We have a very strong footprint in China, including not only commercial, but also a strong R&D presence looking for Chinese innovation because they are progressing very quickly. Chris?

CB
Chris BoshoffHead of R&D

On the GIPR antagonist, this is potentially a first-in-class oral small molecule GIPR antagonist. It's currently in an ongoing Phase 2 placebo-controlled study evaluating the GIPR antagonist in adults with obesity on the background of GLP-1 receptor agonists. If the data from the Phase 2 study are positive, we may potentially be able to develop also fixed-dose combinations, including with GLP-1, potentially including danuglipron in the future.

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Albert BourlaChairman and CEO

Thank you. Next question please.

Operator

We'll go next to Alex Hammond with Wolfe Research. Please go ahead.

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Alex HammondAnalyst

Thanks for squeezing me in. On Vyndaqel, with new competitors on the market and on the way, can you walk us through how we should think about the near-term commercial dynamics? Where can we see the largest share impact — newly prescribed patients or switches? Thank you.

AB
Albert BourlaChairman and CEO

Thank you, Alex. Aamir?

AM
Aamir MalikHead of Commercial Operations

Vyndaqel had significant momentum in '24. You saw the growth rates, and that was due to our commercial efforts and investment behind it. We saw improvement in diagnosis rates as well as new patient starts. We benefited from a one-time bolus of annual enrollment patients in the first quarter of '24 due to favorable affordability. Looking into '25, we see both headwinds and tailwinds. We're confident in Vyndaqel's growth, albeit at a different rate than in '24. We see increased diagnosis education, new prescriber base growth, and favorable affordability conditions. There will be headwinds from new entrants impacting both switching patients and new patient starts. It's also important to remember the impact of IRA on Vyndaqel. We expect higher gross-to-net impacts on revenues for all drugs at the start of 2025, which is expected to moderate throughout the year compared to 2024. Despite that, we remain confident given our robust clinical profile and market access.

AB
Albert BourlaChairman and CEO

Let's move to the last question.

Operator

Our last question comes from Tim Anderson with Bank of America. Please go ahead.

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Tim AndersonAnalyst

Thank you. I have a question on just obesity strategy. Late entrant companies with one lead asset might struggle unless they have real clinical differentiation. It could be in a better position if they have a collection of assets. There are naturally turnkey solutions out there in terms of companies that any larger company could either partner with or acquire outright. How is Pfizer looking at its business development efforts in this regard, either through partnerships or acquisition, that could bring you one or more assets that aren't far from being in Phase 3?

AB
Albert BourlaChairman and CEO

Andrew?

AB
Andrew BaumHead of Business Development

Yes, hi Tim. I agree that obesity is heterogeneous and likely requires a set of tools encompassing both modalities and different delivery devices to deal with this lifelong condition. These assets do exist; some are scattered, some have portfolios. We look at all opportunities to understand what delivers the most value to patients and Pfizer shareholders.

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Albert BourlaChairman and CEO

Thank you very much. I think that concludes our call. Thank you all for your interest. 2024 was a strong year of performance. Our 2025 strategic priorities are very clear. We plan to execute as well on them as we executed in 2024. Thank you very much and have a nice day.

Operator

This does conclude today's program. Thank you for your participation. You may disconnect at any time.

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