Answer
Etonogestrel, the active metabolite of desogestrel in Cerazette, has a mean elimination half-life of approximately 30 hours, with no difference between single and multiple dosing.
Sources for this answer
- Cerazette 75 microgram film-coated tabletOrganon Pharma (UK) Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 17Document updated
Sources checked