Pfizer and BioNTech Conclude Phase 3 Study
NEW YORK and MAINZ, GERMANY, November 18, 2020 — Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced that, after conducting the final efficacy analysis in their ongoing Phase 3 study, their mRNA-based COVID-19 vaccine candidate, BNT162b2, met all of the study’s primary efficacy endpoints. Analysis of the data indicates a vaccine efficacy rate of 95% (p<0.0001) in participants without prior SARS-CoV-2 infection (first primary objective) and also in participants with and without prior SARS-CoV-2 infection (second primary objective), in each case measured from 7 days after the second dose.
The first primary objective analysis is based on 170 cases of COVID-19, as specified in the study protocol, of which 162 cases of COVID-19 were observed in the placebo group versus 8 cases in the BNT162b2 group. Efficacy was consistent across age, gender, race and ethnicity demographics. The observed efficacy in adults over 65 years of age was over 94%.
There were 10 severe cases of COVID-19 observed in the trial, with nine of the cases occurring in the placebo group and one in the BNT162b2 vaccinated group.
To date, the Data Monitoring Committee for the study has not reported any serious safety concerns related to the vaccine. A review of unblinded reactogenicity data from the final analysis which consisted of a randomized subset of at least 8,000 participants 18 years and older in the phase 2/3 study demonstrates that the vaccine was well tolerated, with most solicited adverse events resolving shortly after vaccination. The only Grade 3 (severe) solicited adverse events greater than or equal to 2% in frequency after the first or second dose was fatigue at 3.8% and headache at 2.0% following dose 2. Consistent with earlier shared results, older adults tended to report fewer and milder solicited adverse events following vaccination.
In addition, the companies announced that the safety milestone required by the U.S. Food and Drug Administration (FDA) for Emergency Use Authorization (EUA) has been achieved. Pfizer and BioNTech plan to submit a request within days to the FDA for an EUA based on the totality of safety and efficacy data collected to date, as well as manufacturing data relating to the quality and consistency of the vaccine. These data also will be submitted to other regulatory agencies around the world.
“The study results mark an important step in this historic eight-month journey to bring forward a vaccine capable of helping to end this devastating pandemic. We continue to move at the speed of science to compile all the data collected thus far and share with regulators around the world,” said Dr. Albert Bourla, Pfizer Chairman and CEO. “With hundreds of thousands of people around the globe infected every day, we urgently need to get a safe and effective vaccine to the world.”
“We are grateful that the first global trial to reach the final efficacy analysis mark indicates that a high rate of protection against COVID-19 can be achieved very fast after the first 30 µg dose, underscoring the power of BNT162 in providing early protection,” said Ugur Sahin, M.D., CEO and Co-founder of BioNTech. “These achievements highlight the potential of mRNA as a new drug class. Our objective from the very beginning was to design and develop a vaccine that would generate rapid and potent protection against COVID-19 with a benign tolerability profile across all ages. We believe we have achieved this with our vaccine candidate BNT162b2 in all age groups studied so far and look forward to sharing further details with the regulatory authorities. I want to thank all the devoted women and men who contributed to this historically unprecedented achievement. We will continue to work with our partners and governments around the world to prepare for global distribution in 2020 and beyond.” The Phase 3 clinical trial of BNT162b2 began on July 27 and has enrolled 43,661 participants to date, 41,135 of whom have received a second dose of the vaccine candidate as of November 13, 2020. Approximately 42% of global participants and 30% of U.S. participants have racially and ethnically diverse backgrounds, and 41% of global and 45% of U.S. participants are 56-85 years of age. A breakdown of the diversity of clinical trial participants can be found here from approximately 150 clinical trials sites in United States, Germany, Turkey, South Africa, Brazil and Argentina. The trial will continue to collect efficacy and safety data in participants for an additional two years.
Based on current projections, the companies expect to produce globally up to 50 million vaccine doses in 2020 and up to 1.3 billion doses by the end of 2021. Four of Pfizer’s facilities are part of the manufacturing and supply chain; St. Louis, MO; Andover, MA; and Kalamazoo, MI in the U.S.; and Puurs in Belgium. BioNTech’s German sites will also be leveraged for global supply.
Pfizer is confident in its vast experience, expertise and existing cold-chain infrastructure to distribute the vaccine around the world. The companies have developed specially designed, temperature-controlled thermal shippers utilizing dry ice to maintain temperature conditions of - 70°C±10°C. They can be used be as temporary storage units for 15 days by refilling with dry ice. Each shipper contains a GPS-enabled thermal sensor to track the location and temperature of each vaccine shipment across their pre-set routes leveraging Pfizer’s broad distribution network.
Pfizer and BioNTech plan to submit the efficacy and safety data from the study for peer-review in a scientific journal once analysis of the data is completed.
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 150 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.
Pfizer Disclosure Notice
The information contained in this release is as of November 18, 2020. 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, the
collaboration between BioNTech and Pfizer to develop a potential COVID-19 vaccine, the BNT162
mRNA vaccine program, and modRNA candidate BNT162b2 (including qualitative assessments of
available data, potential benefits, expectations for clinical trials, anticipated timing of regulatory
submissions and anticipated manufacturing, distribution and supply), that involves 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 clinical data (including the
Phase 3 data that is the subject of this release), including the possibility of unfavorable new
preclinical or clinical trial data and further analyses of existing preclinical or clinical trial data; the
ability to produce comparable clinical or other results, including the rate of vaccine effectiveness
and safety and tolerability profile observed to date, in additional analyses of the Phase 3 trial or in
larger, more diverse populations upon commercialization; the risk that 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 and when data from
the BNT162 mRNA vaccine program will be published in scientific journal publications and, if so,
when and with what modifications; 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
biologics license and/or emergency use authorization applications may be filed in any jurisdictions
for BNT162b2 or any other potential vaccine candidates; whether and when any such applications
may be approved by regulatory authorities, which will depend on myriad factors, including making
a determination as to whether the vaccine candidate’s benefits outweigh its known risks and
determination of the vaccine candidate’s efficacy and, if approved, whether it will be commercially
successful; decisions by regulatory authorities impacting labeling, manufacturing processes,
safety and/or other matters that could affect the availability or commercial potential of a vaccine,
including development of products or therapies by other companies; disruptions in the
relationships between us and our collaboration partners or third-party suppliers; risks related to
the availability of raw materials to manufacture a vaccine; challenges related to our vaccine
candidate’s ultra-low temperature formulation and attendant storage, distribution and
administration requirements, including risks related to handling after delivery by Pfizer; the risk
that we may not be able to successfully develop non-frozen formulations; the risk that we may not
be able to create or scale up manufacturing capacity on a timely basis or have access to logistics
or supply channels commensurate with global demand for any potential approved vaccine, which
would negatively impact our ability to supply the estimated numbers of doses of our vaccine
candidate within the projected time periods indicated; whether and when additional supply
agreements will be reached; uncertainties regarding the ability to obtain recommendations from
vaccine technical committees and other public health authorities and uncertainties regarding the
commercial impact of any such recommendations; uncertainties regarding the impact of COVID19 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, 2019 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.
Biopharmaceutical New Technologies is a next generation immunotherapy company pioneering novel therapies for cancer and other serious diseases. The Company exploits a wide array of computational discovery and therapeutic drug platforms for the rapid development of novel biopharmaceuticals. Its broad portfolio of oncology product candidates includes individualized and off-the-shelf mRNA-based therapies, innovative chimeric antigen receptor T cells, bi-specific checkpoint immuno-modulators, targeted cancer antibodies and small molecules. Based on its deep expertise in mRNA vaccine development and in-house manufacturing capabilities, BioNTech and its collaborators are developing multiple mRNA vaccine candidates for a range of infectious diseases alongside its diverse oncology pipeline. BioNTech has established a broad set of relationships with multiple global pharmaceutical collaborators, including Genmab, Sanofi, Bayer Animal Health, Genentech, a member of the Roche Group, Regeneron, Genevant, Fosun Pharma, and Pfizer. For more information, please visit www.BioNTech.de.
BioNTech Forward-looking statements
This press release contains “forward-looking statements” of BioNTech within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may include, but may not be limited to, statements concerning: BioNTech’s efforts to combat COVID-19; the collaboration between BioNTech and Pfizer to develop a potential COVID-19 vaccine; our expectations regarding the potential characteristics of BNT162b2 in our Phase 2/3 trial and/or in commercial use based on data observations to date; the expected timepoint for additional readouts on efficacy data of BNT162b2 in our Phase 2/3 trial; the nature of the clinical data, which is subject to ongoing peer review, regulatory review and market interpretation; the timing for submission of data for, or receipt of, any potential Emergency Use Authorization; the timing for submission of manufacturing data to the FDA; and the ability of BioNTech to supply the quantities of BNT162 to support clinical development and, if approved, market demand, including our production estimates for 2020 and 2021. Any forward-looking statements in this press release are based on BioNTech current expectations and beliefs of future events, and are subject to a number of risks and uncertainties that could cause actual results to differ materially and adversely from those set forth in or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to: the ability to meet the pre-defined endpoints in clinical trials; competition to create a vaccine for COVID-19; the ability to produce comparable clinical or other results, including our stated rate of vaccine effectiveness and safety and tolerability profile observed to date, in the remainder of the trial or in larger, more diverse populations upon commercialization; the ability to effectively scale our productions capabilities; and other potential difficulties. For a discussion of these and other risks and uncertainties, see BioNTech’s Annual Report on Form 20-F filed with the SEC on March 31, 2020, which is available on the SEC’s website at www.sec.gov. All information in this press release is as of the date of the release, and BioNTech undertakes no duty to update this information unless required by law.
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Sylke Maas, Ph.D.
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