Related Experiment Video
Updated: Nov 25, 2025

Ex Vivo Release of Calcitonin Gene-Related Peptide from the Trigeminovascular System in Rodents
Published on: May 16, 2022
Rimegepant for the treatment of migraine
1Regional Referral Headache Centre, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University, Rome, Italy. andrea.negro@uniroma1.it.
Rimegepant, an oral CGRP receptor antagonist, effectively treats acute migraine with a single dose, offering sustained relief and good tolerability. It is FDA-approved for migraine headache acute treatment.
Area of Science:
- Pharmacology
- Neurology
- Clinical Trials
Background:
- Migraine is a debilitating neurological condition.
- Calcitonin gene-related peptide (CGRP) receptor antagonists represent a novel therapeutic class for migraine.
- Rimegepant offers a new oral formulation for acute migraine treatment.
Purpose of the Study:
- To evaluate the efficacy and safety of rimegepant for acute migraine treatment.
- To assess the sustained effect and tolerability of rimegepant.
- To report on the FDA approval status and ongoing clinical trials.
Main Methods:
- Phase II and III clinical trials were completed.
- Efficacy endpoints included pain freedom, pain relief, symptom reduction, and lifestyle recovery.
- Safety and tolerability were assessed through adverse event monitoring.
Main Results:
- Rimegepant demonstrated significant clinical efficacy in single-dose studies.
- Sustained relief was observed up to 48 hours post-administration.
- The drug was well-tolerated, with mild to moderate adverse events.
Conclusions:
- Rimegepant is an effective and well-tolerated treatment for acute migraine.
- FDA approval signifies its clinical utility for migraine headache.
- Ongoing trials will further define its role in migraine management and other conditions.
Related Concept Videos
Antiepileptic Drugs: Potassium Channel Activators
Ezogabine has gained approval as an adjunctive treatment...
Sedatives and Hypnotics Drugs: Miscellaneous Agents
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
Chemotherapy-Induced Nausea and Vomiting: Neurokinin-1 Receptor Antagonists
Antiepileptic Drugs: Glutamate Antagonists
Chemotherapy-Induced Nausea and Vomiting: 5-HT3 Receptor Antagonists
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...

