Displaying 2 results of Rimegepant Stable Isotopes Rimegepant is a medication used to treat acute migraines in adults. It works by blocking the calcitonin gene-related peptide (CGRP) receptor, which is involved in the development of migraines. Stable isotopes of rimegepant are used in research to study the pharmacokinetics and metabolism of the drug. These isotopes have the same chemical properties as the non-labeled version of the drug but differ in their atomic weight, allowing for accurate tracking of the drug's movement in the body.