{"id":"minisiston-sh-d00342a","safety":{"commonSideEffects":[{"rate":null,"effect":"Irregular menstrual bleeding"},{"rate":null,"effect":"Amenorrhea"},{"rate":null,"effect":"Headache"},{"rate":null,"effect":"Breast tenderness"},{"rate":null,"effect":"Nausea"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"As a progestin-only pill (POP), Minisiston works by increasing cervical mucus viscosity to impede sperm penetration and by altering the endometrium to reduce implantation likelihood. Unlike combined oral contraceptives, it contains no estrogen and relies on progestin activity alone for contraceptive efficacy.","oneSentence":"Minisiston is a progestin-only oral contraceptive that prevents pregnancy primarily through cervical mucus thickening and endometrial suppression.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-28T01:21:32.157Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Oral contraception for pregnancy prevention"}]},"trialDetails":[{"nctId":"NCT00220324","phase":"PHASE3","title":"Pearl Index Study With Low Dose Combined Oral Contraceptive","status":"COMPLETED","sponsor":"Bayer","startDate":"2004-02","conditions":"Contraception","enrollment":840}],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":0,"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":"Minisiston (SH D00342A)","genericName":"Minisiston (SH D00342A)","companyName":"Bayer","companyId":"bayer","modality":"Small molecule","firstApprovalDate":"","aiSummary":"Minisiston is a progestin-only oral contraceptive that prevents pregnancy primarily through cervical mucus thickening and endometrial suppression. Used for Oral contraception for pregnancy prevention.","enrichmentLevel":3,"visitCount":0,"trialStats":{"total":0,"withResults":0},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":true,"safety":true,"trials":true,"score":4}}