Biohaven and Pfizer Announce Positive Topline Results of Pivotal Trial of Rimegepant for the Acute Treatment of Migraine in China and South Korea
- Rimegepant is the first oral calcitonin gene-related peptide receptor antagonist to demonstrate positive results in a pivotal trial in Asia Pacific
NEW HAVEN, Conn. and NEW YORK, Feb. 14, 2022 /PRNewswire/ -- Biohaven Pharma Holding Company Ltd. (NYSE: BHVN) and Pfizer Inc. (NYSE: PFE), today announced positive top-line results from an Asia-Pacific, Phase 3 clinical trial of rimegepant in 1,431 adults for the acute treatment of migraine. Led by BioShin Limited, a subsidiary of Biohaven in China and South Korea, the randomized, regional, multi-center study met the co-primary endpoints evaluating the efficacy and safety of the orally dissolving tablet (ODT) formulation of rimegepant, an oral calcitonin gene-related peptide (CGRP) receptor antagonist.
This is the fourth positive Phase 3 study of rimegepant for the acute treatment of migraine and the first to be conducted in Asia Pacific. The study met its co-primary endpoints of freedom from pain (p<0.0001) and freedom from most bothersome migraine–associated symptom (MBS) including either nausea, phonophobia or photophobia (p<0.0001) at 2-hours following a single oral dose of rimegepant. In the study, a single oral dose of rimegepant 75 mg provided significant relief of migraine symptoms and return to normal function at 2 hours and delivered sustained efficacy that lasted up to 48 hours for many patients. Rimegepant showed a favorable safety and tolerability profile among study participants that was consistent with prior clinical trial results in the United States. Detailed data from the study will be presented at future medical meetings to help inform ongoing and future research.
Under the terms of the collaboration agreement between Biohaven and Pfizer, Pfizer has commercialization rights to rimegepant in markets outside of the U.S. Biohaven continues to lead research and development globally and retains the U.S. market. Rimegepant is commercialized as Nurtec® ODT in the U.S. and is the only oral CGRP receptor antagonist approved for both the acute and preventive treatment of migraine in adults. An application for the approval of rimegepant is currently under review by the European Medicines Agency with a decision expected in the first half of 2022. Rimegepant is approved for the acute treatment of migraine in Kuwait and the United Arab Emirates, and for the acute and preventive treatment of migraine in Israel.
Vlad Coric, M.D., Chief Executive Officer and Chairman of the Board of Biohaven commented, "These top-line trial results clearly show the consistent clinical profile of rimegepant to relieve migraine symptoms and return patients to normal function. Through our partnership with Pfizer, we are committed to rapidly expanding the availability of rimegepant to patients around the world, particularly in Asia Pacific where migraine is a common disease and a leading cause of disability."
"It is very exciting to see the completion and positive results of the first Phase 3 study of rimegepant in Asia Pacific," said Nick Lagunowich, Global President, Pfizer Internal Medicine. "With millions of patients in the region impacted by this debilitating neurological disease, these results provide hope for a potentially new effective acute treatment for patients in need. We are moving as quickly as possible in our effort to get this potential treatment into the hands of patients, and we look forward to working with regulatory agencies around the world to do so."
Professor Shengyuan Yu, Principal Investigator of the study and Director of the Department of Neurology, Chinese PLA General Hospital, said, "We need new, effective and safe treatment options to help improve the lives of our migraine patients in Asia and are encouraged by the positive results of this study."
Donnie McGrath, M.D., Executive Chairman of Biohaven's wholly-owned subsidiary in China, BioShin, added, "The results from this study demonstrate the effectiveness of rimegepant and highlight the potential impact for patients in Asia Pacific, if approved. I'm so proud of the BioShin R&D team who executed this study."
About NURTEC ODT
Important Safety Information
Tell your HCP about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
NURTEC ODT may cause serious side effects including allergic reactions, trouble breathing and rash. This can happen days after you take NURTEC ODT. Call your HCP or get emergency help right away if you have swelling of the face, mouth, tongue, or throat or trouble breathing. This occurred in less than 1% of patients treated with NURTEC ODT.
The most common side effects of NURTEC ODT were nausea (2.7%) and stomach pain/indigestion (2.4%). These are not the only possible side effects of NURTEC ODT. Tell your HCP if you have any side effects.
You are encouraged to report side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1–800–FDA–1088 or report side effects to Biohaven at 1–833–4NURTEC.
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Pfizer Disclosure Notice
This release contains forward-looking information about rimegepant, and a collaboration agreement between Pfizer and Biohaven for commercialization of rimegepant outside the U.S., including their potential benefits, 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 the possibility of unfavorable new clinical data and further analyses of existing clinical data; the risk that clinical trial data are subject to differing interpretations and assessments by regulatory authorities; whether regulatory authorities will be satisfied with the design of and results from the clinical studies; whether and when any applications may be filed for rimegepant in any jurisdictions; whether and when regulatory authorities may approve any potential applications that may be pending or filed for rimegepant in any jurisdictions (including the application for rimegepant pending with the European Medicines Agency), 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 rimegepant 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 rimegepant; whether the collaboration between Pfizer and Biohaven will be successful; 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.
NURTEC and NURTEC ODT are registered trademarks of Biohaven Pharmaceutical Ireland DAC. Neuroinnovation is a trademark of Biohaven Pharmaceutical Holding Company Ltd.
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