Frequently asked questions

What is the purpose of a clinical study?


Clinical studies (also called clinical trials) are used to learn about the safety and effectiveness of possible new medications, medical devices, and medical procedures. Although there are many types of clinical trials, all United States-based clinical trials must conform to strict rules set by the U.S. Food and Drug Administration (FDA). These rules help protect the rights and safety of those who volunteer to take part in clinical trials.




Who is conducting this study?


The study is being conducted on behalf of Biohaven Pharmaceuticals by multiple sites (research clinics or hospitals) across the United States with trained and qualified medical specialists.




Will I have to pay anything if I participate?


No. If you qualify and are chosen to participate, you will receive all study-related care, including investigational study drug, at no cost to you.




How many people will participate in this study?


About 1750 people will be screened and about 1400 people will enter into the treatment phase in this study.




What if I join the study and decide I do not want to participate anymore?


Like all clinical studies, your participation is fully voluntary. You may leave the study at any time.




What is the next step if I am intersted in the study?


See if you qualify for this study. If you qualify, you can click on the nearest location to you on the map and you will be given the contact information to call/email that site and see if you are eligible.




How long will the study last?


Your participation in this study will last approximately 11 weeks and will include approximately 3 study visits to the study center.