C4951012 - BHV3000-407: A Phase 4, Randomized, Double-blind, Placebo controlled Study to Evaluate the Efficacy and Tolerability of Rimegepant for the Prevention of Migraine in Adults with a History of Inadequate Response to Oral Preventive Medications

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• Target Disease Exclusion a) History of cluster headaches, basilar migraine (with aura), or hemiplegic migraine b) Current medication overuse headaches c) 15 or more headache days (migraine or non-migraine) per month in any of the 3-months prior to the Screening Visit or during the 28-day Observation Phase d) 7 or more non-migraine headache days per month, on-average, across the 3-months prior to the Screening Visit or during the 28-day Observation Phase e) Inadequate response to agents across > 4 categories of recognized, orally administered, migraine-preventive medications
• Medical History and Current Diseases: a) History of gastric or small intestinal surgery or disease or conditions that causes malabsorption b) BMI ≥ 35kg/m2 c) Alcohol or drug abuse within the past 12 months or subjects with any significant substance use disorder within the past 12 months from the date of the Screening Visit d) Current diagnosis of major depressive disorder requiring treatment with an atypical antipsychotic e) Current diagnosis of schizophrenia, bipolar disorder, or borderline personality disorder f) Other major psychiatric disorder that might interfere with the ability to properly report clinical outcomes g) Major depressive disorder or any anxiety disorder which requires more than 1 daily medication for each disorder. h) Major depressive episode within last 12 months prior to the Screening Visit. i) Subjects who meet criteria for C-SSRS Suicidal Ideation Items 4 or 5 within the last 12 months prior to the Screening Visit, OR subjects who endorse any of the 5 C-SSRS Suicidal Behavior Items within the last 10 years prior to the Screening Visit, OR subjects who present a serious risk of suicide j) Active chronic pain syndromes k) Other pain syndromes (including trigeminal neuralgia), dementia, significant neurological disorders other than migraine l) Current evidence of uncontrolled, unstable or recently diagnosed cardiovascular disease m) Myocardial infarction, acute coronary syndrome (ACS), percutaneous coronary intervention (PCI), cardiac surgery, stroke or transient ischemic attack within 6 months prior to the Screening Visit n) Uncontrolled hypertension (high blood pressure). o) Any unstable medical conditions (e.g., history of congenital heart disease, arrhythmia, or cancer) p) Positive drug screen for drugs of abuse that in the Investigator's judgment is medically significant, in that it would impact the safety of the subject or the interpretation of the study results.
• Allergies and Adverse Drug Reactions: History of drug or other allergy which, in the opinion of the investigator, makes the subject unsuitable for participation in the study.
• Sex and Reproductive Status WOCBP who are unwilling or unable to use required contraception a) Women who are pregnant or breastfeeding b) Women with a positive pregnancy test at Screening Visit
• ECG and Laboratory Test Findings - as specified in the protocol.
• Prohibited Medications and Devices a) Recognized migraine-preventive medication taken within 30 days prior the Screening (with exceptions) b) Non-Narcotic Analgesics or paracetamol taken 15 days per month during the 3 months prior to the Screening Visit c) Any device for migraine prevention or treatment within 3 months prior to the Screening Visit d) Ergotamine taken 10 days per month on a regular basis for 3 months in the year prior to the Screening Visit e) Narcotic, such as opioid or barbiturate taken for 4 days per month during the 3 months prior to the Screening Visit f) Permitted acute migraine medication taken 15 days per month for a non-headache indication during the 3 months (12 weeks) prior to the SV