{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Severe+Alopecia+Areata", "query": { "condition": "Severe Alopecia Areata" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 33, "total_pages": 4, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Severe+Alopecia+Areata&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-07-23T09:22:28.675Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT02299297", "title": "Study To Evaluate The Efficacy Of Tofacitinib In Moderate To Severe Alopecia Areata, Totalis And Universalis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "Tofacitinib", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Columbia University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 12, "start_date": "2015-01", "completion_date": "2017-12", "has_results": true, "last_update_posted_date": "2019-05-07", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02299297" }, { "nct_id": "NCT02684097", "title": "A Pilot Study of Tralokinumab in Subjects With Moderate to Severe Alopecia Areata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "Tralokinumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Emma Guttman", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 22, "start_date": "2016-01", "completion_date": "2017-11-28", "has_results": true, "last_update_posted_date": "2020-01-07", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02684097" }, { "nct_id": "NCT07133308", "title": "Study to Evaluate the Efficacy and Safety of Deuruxolitinib in Adolescents With Severe Alopecia Areata", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "Deuruxolitinib", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Sun Pharmaceutical Industries, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "12 Years to 17 Years" }, "enrollment_count": 355, "start_date": "2025-08-05", "completion_date": "2028-05", "has_results": false, "last_update_posted_date": "2026-01-28", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 54, "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Bryant, Arkansas + 44 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Bryant", "state": "Arkansas" }, { "city": "Bakersfield", "state": "California" }, { "city": "Fremont", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07133308" }, { "nct_id": "NCT02018042", "title": "An Open-Label Single-Arm Clinical Trial to Evaluate The Efficacy of Abatacept in Moderate to Severe Patch Type Alopecia Areata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "Abatacept", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Columbia University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 15, "start_date": "2013-09", "completion_date": "2017-07-31", "has_results": true, "last_update_posted_date": "2019-04-30", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02018042" }, { "nct_id": "NCT03137381", "title": "Study to Evaluate the Safety and Efficacy of CTP-543 in Adults With Moderate to Severe Alopecia Areata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "CTP-543", "type": "DRUG" }, { "name": "CTP-543 matching placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Concert Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 149, "start_date": "2017-08-09", "completion_date": "2019-07-08", "has_results": true, "last_update_posted_date": "2022-07-19", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 13, "location_summary": "Irvine, California • Rancho Mirage, California • Redwood City, California + 10 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "Rancho Mirage", "state": "California" }, { "city": "Redwood City", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT03137381" }, { "nct_id": "NCT07029711", "title": "A Study to Learn About Medicine Called Ritlecitinib in Children Aged Between 6 to 12 Years With Severe Alopecia Areata", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Severe Alopecia Areata" ], "interventions": [ { "name": "Ritlecitinib higher dose", "type": "DRUG" }, { "name": "Ritlecitinib lower dose", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Years", "maximum_age": "11 Years", "sex": "ALL", "summary": "6 Years to 11 Years" }, "enrollment_count": 208, "start_date": "2025-07-31", "completion_date": "2027-01-06", "has_results": false, "last_update_posted_date": "2026-06-17", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 27, "location_summary": "Irvine, California • Santa Ana, California • Aurora, Colorado + 19 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "Santa Ana", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT07029711" }, { "nct_id": "NCT02974868", "title": "Study To Evaluate The Efficacy And Safety Profile Of PF-06651600 And PF-06700841 In Subjects With Alopecia Areata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "PF-06651600", "type": "DRUG" }, { "name": "PF-06700841", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 142, "start_date": "2016-12-15", "completion_date": "2019-05-15", "has_results": true, "last_update_posted_date": "2020-05-26", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 39, "location_summary": "Birmingham, Alabama • Santa Ana, California • Santa Monica, California + 15 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Santa Ana", "state": "California" }, { "city": "Santa Monica", "state": "California" }, { "city": "Santa Monica", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02974868" }, { "nct_id": "NCT04797650", "title": "Study to Evaluate the Efficacy and Safety of CTP-543 in Adults With Moderate to Severe Alopecia Areata (THRIVE-AA2)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "CTP-543 matching placebo", "type": "DRUG" }, { "name": "CTP-543", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Concert Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 517, "start_date": "2021-06-10", "completion_date": "2022-06-29", "has_results": true, "last_update_posted_date": "2023-07-03", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 25, "location_summary": "Phoenix, Arizona • Fort Smith, Arkansas • Los Angeles, California + 19 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Fort Smith", "state": "Arkansas" }, { "city": "Los Angeles", "state": "California" }, { "city": "Miami", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04797650" }, { "nct_id": "NCT04784533", "title": "A Study to Evaluate the Durability of Response of CTP-543 in Adult Patients With Moderate to Severe Alopecia Areata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "CTP-543", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Concert Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 317, "start_date": "2021-02-26", "completion_date": "2023-05-16", "has_results": true, "last_update_posted_date": "2024-10-09", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 39, "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Bakersfield, California + 35 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Bakersfield", "state": "California" }, { "city": "Canoga Park", "state": "California" }, { "city": "Encinitas", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04784533" }, { "nct_id": "NCT03811912", "title": "Efficacy and Tolerability Study of Two Dose Regimens of CTP-543 in Adults With Alopecia Areata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alopecia Areata" ], "interventions": [ { "name": "CTP-543", "type": "DRUG" }, { "name": "CTP-543 Matching Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Concert Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 57, "start_date": "2019-03-21", "completion_date": "2019-11-21", "has_results": true, "last_update_posted_date": "2022-12-09", "last_synced_at": "2026-07-23T09:22:28.675Z", "location_count": 10, "location_summary": "Irvine, California • San Francisco, California • New Haven, Connecticut + 6 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Boynton Beach", "state": "Florida" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03811912" } ] }