{"id":"topical-capsaicin","safety":{"commonSideEffects":[{"rate":"common (majority of users)","effect":"Burning sensation at application site"},{"rate":"common","effect":"Erythema (redness)"},{"rate":"common","effect":"Pruritus (itching)"},{"rate":"common","effect":"Skin irritation"}]},"_chembl":null,"_dailymed":{"setId":"ef597423-cd01-7324-e053-2a95a90aa1ba","title":"CAPSAICIN TOPICAL ANALGESIC (CAPSAICIN) CREAM [AVPAK]"},"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Capsaicin is a vanilloid compound that binds to the TRPV1 (transient receptor potential vanilloid 1) ion channel on sensory nerve endings. Upon initial application, it causes activation and a burning sensation, but with repeated or sustained exposure, it leads to desensitization and depletion of substance P (a neurotransmitter involved in pain signaling), resulting in reduced pain perception in the treated area.","oneSentence":"Topical capsaicin activates and then desensitizes TRPV1 nociceptors, reducing the transmission of pain signals from the skin.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T06:29:12.343Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Postherpetic neuralgia (nerve pain following shingles)"},{"name":"Osteoarthritis pain"},{"name":"Diabetic neuropathy"},{"name":"Musculoskeletal pain"}]},"trialDetails":[{"nctId":"NCT07361796","phase":"NA","title":"The Analgesic Efficacy and Safety of Venlafaxine for Prevention of Postherpetic Neuralgia in Patients With Acute Herpes Zoster","status":"RECRUITING","sponsor":"Beijing Tiantan Hospital","startDate":"2025-12-15","conditions":"Herpes Zoster, Pain, Postherpetic Neuralgia","enrollment":832},{"nctId":"NCT06540456","phase":"","title":"Qutenza 8% Capsaicin Topical System for the Treatment of Neuropathic Axial Lower Back Pain and Lumbosacral Radiculopathy","status":"ENROLLING_BY_INVITATION","sponsor":"Medical University of South Carolina","startDate":"2025-03-13","conditions":"Lower Back Pain, Lumbosacral Radiculopathy","enrollment":50},{"nctId":"NCT03511846","phase":"PHASE1","title":"Pain Biomarker Study","status":"ENROLLING_BY_INVITATION","sponsor":"The University of Texas Health Science Center, Houston","startDate":"2018-03-21","conditions":"Migraine, Cluster Headache, Trigeminal Autonomic Cephalgia","enrollment":371},{"nctId":"NCT06495424","phase":"","title":"Observational Study to Evaluate the Efficacy of Sustained QUTENZA® Use in Painful Diabetic Peripheral Neuropathy","status":"RECRUITING","sponsor":"Averitas Pharma, Inc.","startDate":"2025-03-14","conditions":"Peripheral Diabetic Neuropathy, Painful Diabetic Neuropathy","enrollment":150},{"nctId":"NCT06744816","phase":"EARLY_PHASE1","title":"Exploring the Benefit of Topical Capsaicin in Treating Pain From Chemo-induced Peripheral Neuropathy: a Longitudinal Single Center Pilot Study","status":"RECRUITING","sponsor":"M.D. Anderson Cancer Center","startDate":"2025-12-11","conditions":"Peripheral Neuropathy Due to Chemotherapy","enrollment":20},{"nctId":"NCT06040190","phase":"PHASE4","title":"Effect of Treatments on Pain and Quality of Life in Individual With Burning Mouth Syndrome","status":"RECRUITING","sponsor":"Federal University of Minas Gerais","startDate":"2023-11-01","conditions":"Burning Mouth Syndrome","enrollment":150},{"nctId":"NCT07260656","phase":"EARLY_PHASE1","title":"Efficacy of a Topical Palmitated Formulation of Capsaicin (Capsadyn®) In the Treatment of Diabetic Neuropathic Foot Pain","status":"NOT_YET_RECRUITING","sponsor":"Carilion Clinic","startDate":"2025-12","conditions":"Diabetic Neuropathies, Painful, Diabetic Foot, Diabetic Peripheral Neuropathy","enrollment":80},{"nctId":"NCT04967664","phase":"PHASE3","title":"Comparison of Qutenza (8% Capsaicin) With a Low-dose Capsaicin for Treatment of Nerve Pain After Surgery","status":"COMPLETED","sponsor":"Averitas Pharma, Inc.","startDate":"2021-07-13","conditions":"Post Surgical Neuropathic Pain","enrollment":409},{"nctId":"NCT07060976","phase":"NA","title":"To Check Dermatological Safety of Test Products by 24 Hours Patch Testing","status":"COMPLETED","sponsor":"Novamed Laboratories Pvt. 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