{"id":"desogestrel-late-follicular-phase","safety":{"commonSideEffects":[{"rate":null,"effect":"Headache"},{"rate":null,"effect":"Nausea"},{"rate":null,"effect":"Breast tenderness"},{"rate":null,"effect":"Irregular bleeding"},{"rate":null,"effect":"Mood changes"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Desogestrel is a third-generation synthetic progestin used in hormonal contraception. It works primarily by inhibiting the luteinizing hormone (LH) surge needed to trigger ovulation. Additionally, it increases cervical mucus viscosity to impede sperm penetration and alters the endometrium to reduce implantation likelihood. The 'late follicular phase' designation indicates timing of administration within the menstrual cycle.","oneSentence":"Desogestrel is a progestin that prevents pregnancy by suppressing ovulation and altering cervical mucus and endometrial conditions.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-28T01:09:09.136Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Contraception (pregnancy prevention)"}]},"trialDetails":[{"nctId":"NCT03895099","phase":"PHASE3","title":"New Ovarian Stimulation With Random Start, Use of Progestin Protocol for Oocyte Donors","status":"COMPLETED","sponsor":"Centre Hospitalier Intercommunal Creteil","startDate":"2020-09-04","conditions":"Infertility","enrollment":110}],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":1,"rwe":[],"genericFilers":[],"relatedDrugs":[],"labelChanges":[],"biosimilarFilings":[],"pricing":[],"formularyStatus":[],"manufacturing":[],"companionDiagnostics":[],"competitors":[],"timeline":[],"patents":[],"ownershipHistory":[],"trials":[],"biosimilars":[],"latestUpdates":[],"references":[],"tags":[],"ecosystem":[],"genericManufacturerList":[],"offLabel":[],"developmentCodes":[],"aliases":[],"phase":"phase_3","status":"active","brandName":"Desogestrel late follicular phase","genericName":"Desogestrel late follicular phase","companyName":"Centre Hospitalier Intercommunal Creteil","companyId":"centre-hospitalier-intercommunal-creteil","modality":"Small molecule","firstApprovalDate":"","aiSummary":"Desogestrel is a progestin that prevents pregnancy by suppressing ovulation and altering cervical mucus and endometrial conditions. Used for Contraception (pregnancy prevention).","enrichmentLevel":3,"visitCount":0,"trialStats":{"total":1,"withResults":0},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":true,"safety":true,"trials":true,"score":4}}