An Open-label, Intermediate Size, Expanded Access Study of BHV-3000 in the Acute Treatment of Migraine

Inclusion Criteria: 1.Subjects who have completed any BHV3000 (rimegepant) clinical study without significant protocol violations. Exclusion Criteria: 1. History of basilar migraine or hemiplegic migraine 2. History with current evidence of uncontrolled, unstable or recently diagnosed cardiovascular disease 3. HIV history 4. Uncontrolled hypertension or uncontrolled diabetes 5. Current diagnosis of major depression, other pain syndromes, psychiatric conditions (e.g., schizophrenia), dementia, or significant neurological disorders (other than migraine) that, in the Investigator's opinion, might interfere with study assessments 6. History of gastric, or small intestinal surgery, or has a disease that causes malabsorption