{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Alopecia+Areata%28AA%29",
    "query": {
      "condition": "Alopecia Areata(AA)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Alopecia+Areata%28AA%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T15:22:48.650Z",
  "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": "NCT06826196",
      "title": "A Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of ALD-102 Solution in Subjects With Alopecia Areata",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata (AA)"
      ],
      "interventions": [
        {
          "name": "ALD-102 Solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo or Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Aldena Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2025-03-24",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 4,
      "location_summary": "Thousand Oaks, California • West Lafayette, Indiana • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Thousand Oaks",
          "state": "California"
        },
        {
          "city": "West Lafayette",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06826196"
    },
    {
      "nct_id": "NCT06531109",
      "title": "Characterization And Clinical Outcomes of AA Patients Treated With Ritlecitinib",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Ritlecitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2024-08-07",
      "completion_date": "2028-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Fremont, California + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06531109"
    },
    {
      "nct_id": "NCT03359356",
      "title": "Treatment of Alopecia Areata (AA) With Dupilumab in Patients With and Without Atopic Dermatitis (AD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2018-01-09",
      "completion_date": "2020-12-17",
      "has_results": true,
      "last_update_posted_date": "2022-09-13",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03359356"
    },
    {
      "nct_id": "NCT07049328",
      "title": "HCW9302 (Interleukin-2 Fusion Protein) for Alopecia Areata",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alopecia Areata(AA)"
      ],
      "interventions": [
        {
          "name": "HCW9302, an IL-2 fusion protein",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "HCW Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-08-16",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 3,
      "location_summary": "Tampa, Florida • Indianapolis, Indiana • Columbus, Ohio",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07049328"
    },
    {
      "nct_id": "NCT02197455",
      "title": "Tofacitnib for the Treatment of Alopecia Areata and Variants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata (AA)",
        "Alopecia Totalis (AT)",
        "Alopecia Universalis (AU)"
      ],
      "interventions": [
        {
          "name": "Tofacitinib Administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 30,
      "start_date": "2014-07",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02197455"
    },
    {
      "nct_id": "NCT07226531",
      "title": "Utilization and Effectiveness of Ritlecitinib in a Real-World Population With Severe AA in the US",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Ritlecitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2025-12-22",
      "completion_date": "2026-03-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07226531"
    },
    {
      "nct_id": "NCT03732807",
      "title": "PF-06651600 for the Treatment of Alopecia Areata",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "PF-06651600 Induction Dose",
          "type": "DRUG"
        },
        {
          "name": "PF-06651600 Maintenance Dose #1",
          "type": "DRUG"
        },
        {
          "name": "PF-06651600 Maintenance Dose #2",
          "type": "DRUG"
        },
        {
          "name": "PF-06651600 Maintenance Dose #3",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 718,
      "start_date": "2018-12-03",
      "completion_date": "2021-06-24",
      "has_results": true,
      "last_update_posted_date": "2022-02-24",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 46,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Irvine, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03732807"
    },
    {
      "nct_id": "NCT05551793",
      "title": "Regeneron AA Multicenter (Dupilumab)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2023-04-10",
      "completion_date": "2028-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 3,
      "location_summary": "Irvine, California • New York, New York • Rochester, New York",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05551793"
    },
    {
      "nct_id": "NCT06340360",
      "title": "A Phase 2b Study to Evaluate Rezpegaldesleukin (Rezpeg) in the Treatment of Severe to Very Severe Alopecia Areata in Adult Patients (Rezolve AA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Rezpegaldesleukin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nektar Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 94,
      "start_date": "2024-04-02",
      "completion_date": "2026-08-20",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 10,
      "location_summary": "Northridge, California • Atlanta, Georgia • Gurnee, Illinois + 7 more",
      "locations": [
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Gurnee",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Clinton Township",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06340360"
    },
    {
      "nct_id": "NCT02553330",
      "title": "A Study With Ruxolitinib Phosphate Cream Applied Topically to Subjects With Alopecia Areata (AA)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Placebo Cream",
          "type": "DRUG"
        },
        {
          "name": "Ruxolitinib Phosphate Cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Incyte Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 90,
      "start_date": "2015-11-18",
      "completion_date": "2017-10-03",
      "has_results": true,
      "last_update_posted_date": "2020-12-16",
      "last_synced_at": "2026-10-05T15:22:48.650Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Hot Springs, Arkansas • New Haven, Connecticut + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Trumbull",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02553330"
    }
  ]
}