{"id":"iv-ondansetron-hydrochloride","safety":{"commonSideEffects":[{"rate":"9-27%","effect":"Headache"},{"rate":"5-11%","effect":"Constipation"},{"rate":"3-8%","effect":"Diarrhea"},{"rate":"3-7%","effect":"Fatigue"},{"rate":"2-5%","effect":"Dizziness"},{"rate":"1-3%","effect":"Injection site reactions"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Ondansetron is a selective 5-HT3 receptor antagonist that inhibits serotonin signaling in the chemoreceptor trigger zone and gastrointestinal tract. By blocking these receptors, it prevents the emetic signals that trigger nausea and vomiting, particularly those induced by chemotherapy, radiation, or post-operative conditions. The IV formulation provides rapid onset of action for acute antiemetic coverage.","oneSentence":"Ondansetron blocks serotonin (5-HT3) receptors on chemoreceptor trigger zone and vagal afferent nerves to prevent nausea and vomiting.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T01:17:34.440Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Prevention of nausea and vomiting induced by chemotherapy"},{"name":"Prevention of post-operative nausea and vomiting (PONV)"},{"name":"Prevention of radiation-induced nausea and vomiting"}]},"trialDetails":[{"nctId":"NCT07498751","phase":"PHASE1","title":"Phase I PK and Safety Study of Ondansetron Inhalation Powder","status":"COMPLETED","sponsor":"Luxena Pharmaceuticals, Inc.","startDate":"2025-03-13","conditions":"Postoperative Nausea and Vomiting","enrollment":24},{"nctId":"NCT07489742","phase":"NA","title":"Ondansetron Lozenge Versus Intravenous for Prevention of Shivering in Tonsillectomy","status":"RECRUITING","sponsor":"Tanta University","startDate":"2026-03-25","conditions":"Ondansetron, Lozenge, Intravenous","enrollment":210},{"nctId":"NCT06862609","phase":"NA","title":"QIPB in Inguinal Hernia","status":"RECRUITING","sponsor":"Konya City Hospital","startDate":"2025-03-23","conditions":"Postoperative Pain","enrollment":70},{"nctId":"NCT02858310","phase":"PHASE1, PHASE2","title":"E7 TCR T Cells for Human Papillomavirus-Associated Cancers","status":"COMPLETED","sponsor":"National Cancer Institute (NCI)","startDate":"2017-01-27","conditions":"Papillomavirus Infections, Cervical Intraepithelial Neoplasia, Carcinoma In Situ","enrollment":224},{"nctId":"NCT02106494","phase":"PHASE3","title":"A Prospective, Multicenter, Study of APF530 (Granisetron) SC for Prevention of CINV in Patients Receiving HEC","status":"COMPLETED","sponsor":"Heron Therapeutics","startDate":"2014-03","conditions":"Chemotherapy-induced Nausea and Vomiting","enrollment":942},{"nctId":"NCT03256916","phase":"PHASE3","title":"Radiosensitizing Effect of Nelfinavir in Locally Advanced Carcinoma of Cervix","status":"COMPLETED","sponsor":"Tata Memorial Hospital","startDate":"2018-01-16","conditions":"Carcinoma Cervix,Stage III","enrollment":348},{"nctId":"NCT06810882","phase":"NA","title":"Intravenous Versus Perineural Ondansetron for Laparoscopic Sleeve Gastrectomy","status":"RECRUITING","sponsor":"Tanta University","startDate":"2025-02-16","conditions":"Ondansetron, Laparoscopic, Gastrectomy","enrollment":170},{"nctId":"NCT04743661","phase":"PHASE2","title":"131I-Omburtamab, in Recurrent Medulloblastoma and Ependymoma","status":"ACTIVE_NOT_RECRUITING","sponsor":"Pediatric Brain Tumor Consortium","startDate":"2022-04-04","conditions":"Recurrent Medulloblastoma, Recurrent Ependymoma","enrollment":62},{"nctId":"NCT05306899","phase":"PHASE3","title":"Multi-center RCT of IV Ketamine Efficacy and Safety in Chronic Daily Headaches","status":"RECRUITING","sponsor":"University Health Network, Toronto","startDate":"2022-06-01","conditions":"Chronic Daily Headache","enrollment":56},{"nctId":"NCT06707818","phase":"","title":"Psychosocial Factors and Postoperative Pain in Aesthetic Breast Surgery","status":"COMPLETED","sponsor":"V.K.V. 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