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Pfizer to Provide the United Kingdom an Additional 2.5 Million Treatment Courses of Investigational Oral Antiviral Candidate to Help Combat COVID-19
Rhea-AI Impact
(Neutral)
Rhea-AI Sentiment
(Very Positive)
Tags
covid-19
Rhea-AI Summary
Pfizer (NYSE: PFE) announced an agreement with the UK government for an additional 2.5 million doses of PAXLOVID™, bringing the total to 2.75 million doses, subject to regulatory approval. PAXLOVID, an investigational antiviral, has shown to reduce hospitalization risk by nearly 90% in high-risk patients. Pfizer expects to manufacture up to 80 million courses by year-end. The company is committed to equitable access and has invested approximately $1 billion in manufacturing and distribution efforts, collaborating with around 100 countries and signing agreements to expand access in low- and middle-income nations.
Positive
Agreement with the UK government for an additional 2.5 million doses of PAXLOVID, totaling 2.75 million doses.
PAXLOVID demonstrated nearly 90% efficacy in reducing hospitalization risk in high-risk patients.
Pfizer plans to produce up to 80 million courses of PAXLOVID by year-end 2022.
Investment of approximately $1 billion to support manufacturing and distribution of PAXLOVID.
Commitment to equitable access with a tiered pricing approach based on country income levels.
Negative
Regulatory approval is still pending for the additional doses.
Potential risks associated with manufacturing capacity and logistics to meet global demand.
PAXLOVID™ (nirmatrelvir [PF-07321332] tablets and ritonavir tablets) includes nirmatrelvir, a protease inhibitor that was specifically designed to combat SARS-CoV-2
A total of 2.75 million doses expected to be delivered to the UK through 2022, subject to regulatory approval or authorization
Pfizer is seeking Conditional Marketing Authorization of PAXLOVID with the MHRA and is working to submit applications to regulatory agencies around the world
NEW YORK--(BUSINESS WIRE)--
Pfizer Inc. (NYSE: PFE) announced an additional agreement with the United Kingdom (UK) government to supply an additional 2.5 million treatment courses of its investigational candidate PAXLOVID™ (nirmatrelvir [PF-07321332] tablets and ritonavir tablets), subject to local authorization. This is in addition to the 250,000 treatment courses previously contracted by the UK Government, pending authorization and recommendation for use, bringing the full amount of treatment courses to 2.75 million.
“Final data from our Phase 2/3 trial in high-risk participants confirmed the overwhelming efficacy of PAXLOVID in reducing the risk of hospitalization by nearly 90% compared to placebo when treated within both three and five days of symptom onset and no deaths. We are pleased that the UK government recognizes the importance of this potential treatment option,” said Albert Bourla, Chairman and Chief Executive Officer, Pfizer. “As we continue to combat the virus, we are in discussions with governments around the world to help ensure we get this potential treatment to patients as quickly as possible, subject to authorization or approval.”
In anticipation of the potential for regulatory authorization or approval, Pfizer initiated manufacturing of PAXLOVID earlier this year and expects to produce up to 80 million courses of treatment by the end of 2022, with 30 million treatment courses available in the first half of the year.
Our Commitment to Equitable Access
Pfizer is committed to working toward equitable access to PAXLOVID for all people, aiming to deliver well-tolerated and effective antiviral therapeutics as soon as possible and at an affordable price. If authorized or approved, during the pandemic, Pfizer will offer our oral antiviral therapy through a tiered pricing approach based on the income level of each country to promote equity of access across the globe. High and upper-middle income countries will pay more than lower income countries.
Pfizer continues to invest up to approximately $1 billion to support the manufacturing and distribution of PAXLOVID, including exploring potential contract manufacturing options. It has entered into agreements with multiple countries and has initiated bilateral outreach to approximately 100 countries around the world. Additionally, Pfizer has signed a voluntary license agreement with the Medicines Patent Pool (MPP) for its oral antiviral treatment to help expand access, pending country regulatory authorization or approval, in 95 low- and middle-income countries that account for approximately 53% of the world’s population.
About PAXLOVID™ (nirmatrelvir [PF-07321332] tablets and ritonavir tablets)
PAXLOVID is an investigational SARS-CoV-2 protease inhibitor antiviral therapy. It was developed to be administered orally so that, if authorized or approved, it can be prescribed at the first sign of infection or, pending clinical success of the rest of the EPIC development program and subject to regulatory authorization, at first awareness of an exposure – potentially helping patients avoid severe illness (which can lead to hospitalization and death) or avoid disease development following contact with a household member who contracts COVID-19. Nirmatrelvir [PF-07321332], which originated in Pfizer laboratories, is designed to block the activity of the SARS-CoV-2 3CL (or main) protease, an enzyme that the coronavirus needs to replicate. Co-administration with a low dose of ritonavir helps slow the metabolism, or breakdown, of nirmatrelvir in order for it to remain active in the body for longer periods of time at higher concentrations to help combat the virus.
Nirmatrelvir is designed to inhibit viral replication at a stage known as proteolysis, which occurs before viral RNA replication. In preclinical studies, nirmatrelvir did not demonstrate evidence of mutagenic DNA interactions.
Current variants of concern can be resistant to treatments that are focused on the spike protein expressed on the surface of the SARS-CoV-2 virus, due to the mutations in this region. PAXLOVID, however, works intracellularly on the protease of the SARS-CoV-2 virus by inhibiting viral replication. Nirmatrelvir has shown consistent in vitro antiviral activity against the previously identified variants of concerns (i.e., alpha, beta, delta, gamma, lambda, and mu). In addition, nirmatrelvir potently inhibited themain protease associated with Omicron in an in vitro biochemical assay. This indicates nirmatrelvir’s potential to maintain robust antiviral activity against Omicron. Additional in vitro antiviral studies with this variant are underway.
If authorized or approved, PAXLOVID will be administered at a dose of 300 mg (two 150 mg tablets) of nirmatrelvir with one 100 mg tablet of ritonavir, given twice-daily for five days. One carton contains five blister packs of PAXLOVID, as co-packaged nirmatrelvir tablets with ritonavir tablets, providing all required doses for a full five-day treatment course.
About the EPIC Development Program
The EPIC (Evaluation of Protease Inhibition for COVID-19) Phase 2/3 development program for PAXLOVID consists of three clinical trials spanning a broad spectrum of patients, including adults who have been exposed to the virus through household contacts, as well as adults at both standard risk and high risk of progressing to severe illness.
In July 2021, Pfizer initiated the first of these trials, known as EPIC-HR, a randomized, double-blind study of non-hospitalized adults with COVID-19, who are at high risk of progressing to severe illness. At the recommendation of an independent Data Monitoring Committee and in consultation with the U.S. FDA, Pfizer ceased further enrollment into the study in early November 2021 due to the overwhelming efficacy demonstrated in these results. Findings from the EPIC-HR interim analysis have been submitted to a peer-reviewed journal for publication.
In August 2021, Pfizer began the Phase 2/3 EPIC-SR (Evaluation of Protease Inhibition for COVID-19 in Standard-Risk Patients), to evaluate efficacy and safety in adults with a confirmed diagnosis of SARS-CoV-2 infection who are at standard risk (i.e., low risk of hospitalization or death). EPIC-SR includes a cohort of vaccinated adults who have an acute breakthrough symptomatic COVID-19 infection and who have risk factors for severe illness. Interim data from this study have been reported. In September, Pfizer initiated the Phase 2/3 EPIC-PEP (Evaluation of Protease Inhibition for COVID-19 in Post-Exposure Prophylaxis) to evaluate efficacy and safety in adults exposed to SARS-CoV-2 by a household member. These trials are ongoing.
For more information on the EPIC Phase 2/3 clinical trials for PAXLOVID, visit clinicaltrials.gov.
About Pfizer: Breakthroughs That Change Patients’ Lives
At Pfizer, we apply science and our global resources to bring therapies to people that extend and significantly improve their lives. We strive to set the standard for quality, safety and value in the discovery, development and manufacture of health care products, including innovative medicines and vaccines. Every day, Pfizer colleagues work across developed and emerging markets to advance wellness, prevention, treatments and cures that challenge the most feared diseases of our time.
Consistent with our responsibility as one of the world's premier innovative biopharmaceutical companies, we collaborate with health care providers, governments and local communities to support and expand access to reliable, affordable health care around the world. For more than 170 years, we have worked to make a difference for all who rely on us. We routinely post information that may be important to investors on our website at www.Pfizer.com. In addition, to learn more, please visit us on www.Pfizer.com and follow us on Twitter at @Pfizer and @Pfizer News, LinkedIn, YouTube and like us on Facebook at Facebook.com/Pfizer.
Disclosure Notice
The information contained in this release is as of December 22, 2021. Pfizer assumes no obligation to update forward-looking statements contained in this release as the result of new information or future events or developments.
This release contains forward-looking information about Pfizer’s efforts to combat COVID-19 and PAXLOVID (including qualitative assessments of available data, potential benefits, expectations for clinical trials, a supply agreement with the UK government and the timing of delivery of doses thereunder, other advanced purchase agreements and an agreement with MPP, efforts toward equitable access, the anticipated timing of data readouts, regulatory submissions, regulatory approvals or authorizations, potential to maintain antiviral activity against variants, planned investment and anticipated manufacturing, distribution and supply), involving substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements. Risks and uncertainties include, among other things, the uncertainties inherent in research and development, including the ability to meet anticipated clinical endpoints, commencement and/or completion dates for clinical trials, regulatory submission dates, regulatory approval dates and/or launch dates, as well as risks associated with preclinical and clinical data, including the possibility of unfavorable new preclinical, clinical or safety data and further analyses of existing preclinical, clinical or safety data, including the risk that final results from EPIC-SR could differ from the interim data; the ability to produce comparable clinical or other results including efficacy, safety and tolerability profile observed to date, in additional studies or in larger, more diverse populations following commercialization; the risk that serious and unexpected adverse events may occur that have not been previously reported with PAXLOVID use; the risk that preclinical and clinical trial data are subject to differing interpretations and assessments, including during the peer review/publication process, in the scientific community generally, and by regulatory authorities; whether regulatory authorities will be satisfied with the design of and results from these and any future preclinical and clinical studies; whether and when any drug applications or submissions to request emergency use or conditional marketing authorization for any potential indications for PAXLOVID may be filed in particular jurisdictions and if obtained, whether or when such emergency use authorization or licenses will expire or terminate; whether and when regulatory authorities in any jurisdictions may approve any applications or submissions for PAXLOVID that may be pending or filed (including the submissions for conditional marketing authorization in the Uk and the EU, the submission for emergency use authorization in the U.S. and submissions in other jurisdictions), which will depend on myriad factors, including making a determination as to whether the product’s benefits outweigh its known risks and determination of the product’s efficacy and, if approved, whether it will be commercially successful; decisions by regulatory authorities impacting labeling or marketing, manufacturing processes, safety and/or other matters that could affect the availability or commercial potential of PAXLOVID, including development of products or therapies by other companies; risks related to the availability of raw materials for PAXLOVID; the risk that we may not be able to create or scale up manufacturing capacity on a timely basis or maintain access to logistics or supply channels commensurate with global demand, which would negatively impact our ability to supply the estimated numbers of courses of PAXLOVID within the projected time periods; whether and when additional purchase agreements will be reached; the risk that demand for any products may be reduced or no longer exist; uncertainties regarding the impact of COVID-19 on Pfizer’s business, operations and financial results; and competitive developments.
A further description of risks and uncertainties can be found in Pfizer’s Annual Report on Form 10-K for the fiscal year ended December 31, 2020 and in its subsequent reports on Form 10-Q, including in the sections thereof captioned “Risk Factors” and “Forward-Looking Information and Factors That May Affect Future Results”, as well as in its subsequent reports on Form 8-K, all of which are filed with the U.S. Securities and Exchange Commission and available at www.sec.gov and www.pfizer.com.
