{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=azelaic+acid",
    "query": {
      "intervention": "azelaic acid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=azelaic+acid&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T13:22:49.732Z",
  "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": "NCT02800148",
      "title": "Bioequivalence Study of Two Treatments in the Treatment of Inflammatory Lesions of Rosacea on the Face",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "Azelaic acid foam",
          "type": "DRUG"
        },
        {
          "name": "Azelaic acid foam - Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Padagis LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 667,
      "start_date": "2016-11",
      "completion_date": "2017-10",
      "has_results": true,
      "last_update_posted_date": "2021-11-08",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02800148"
    },
    {
      "nct_id": "NCT01139047",
      "title": "Split-face Tolerability Comparison Between MetroGel® 1% vs Finacea® 15% in Subjects With Healthy Skin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Skin Manifestations"
      ],
      "interventions": [
        {
          "name": "metronidazole 1% gel",
          "type": "DRUG"
        },
        {
          "name": "azelaic acid 15% gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Galderma R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 77,
      "start_date": "2010-06",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2022-08-01",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "Colorado Springs, Colorado",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01139047"
    },
    {
      "nct_id": "NCT02147691",
      "title": "Finacea 15% and Brimonidine 0.33% Gel in the Treatment of Rosacea - A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Rosacea"
      ],
      "interventions": [
        {
          "name": "Azelaic acid 15%",
          "type": "DRUG"
        },
        {
          "name": "Brimonidine 0.33%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Derm Research, PLLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 22,
      "start_date": "2014-05",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2015-09-30",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02147691"
    },
    {
      "nct_id": "NCT00617903",
      "title": "Exploration of Safety and Efficacy of AzA 15% Foam Twice a Day in Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Papulopustular Rosacea"
      ],
      "interventions": [
        {
          "name": "Azelaic acid",
          "type": "DRUG"
        },
        {
          "name": "Vehicle foam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2008-01",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2020-04-07",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 7,
      "location_summary": "Denver, Colorado • Olathe, Kansas • Henderson, Nevada + 4 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Olathe",
          "state": "Kansas"
        },
        {
          "city": "Henderson",
          "state": "Nevada"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Mason",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00617903"
    },
    {
      "nct_id": "NCT05014906",
      "title": "Efficacy of Oral Minocycline (Solodyn) and Oral Minocycline (Solodyn) Plus Azelaic Acid (Finacea) for Acne Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "Minocycline 45 MG",
          "type": "DRUG"
        },
        {
          "name": "Azelaic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dermatology Specialists Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2010-05",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05014906"
    },
    {
      "nct_id": "NCT01430533",
      "title": "Human Repeated Insult Patch Test (HRIPT) of Azelaic Acid Pre Foam Formulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "azelaic acid pre foam formulation",
          "type": "DRUG"
        },
        {
          "name": "Vehicle pre foam formulation",
          "type": "DRUG"
        },
        {
          "name": "Water",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 240,
      "start_date": "2011-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2020-04-01",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01430533"
    },
    {
      "nct_id": "NCT01430312",
      "title": "21 Day Irritancy Test of Azelaic Acid Pre-foam Formulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "azelaic acid pre-foam formulation",
          "type": "DRUG"
        },
        {
          "name": "Vehicle pre-foam formulation",
          "type": "DRUG"
        },
        {
          "name": "Water",
          "type": "DRUG"
        },
        {
          "name": "Sodium lauryl sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2011-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2020-04-01",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01430312"
    },
    {
      "nct_id": "NCT01025635",
      "title": "Safety and Efficacy of Azelaic Acid Foam, 15% in Papulopustular Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Papulopustular Rosacea"
      ],
      "interventions": [
        {
          "name": "Azelaic acid foam 15%",
          "type": "DRUG"
        },
        {
          "name": "Vehicle foam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 401,
      "start_date": "2009-12",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Fremont, California • Santa Monica, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01025635"
    },
    {
      "nct_id": "NCT00855595",
      "title": "Efficacy of Topical Azelaic Acid 15% Gel Plus Anti-inflammatory Dose Doxycycline or Metronidazole Gel 1% Plus Anti-inflammatory Dose Doxycycline in Moderate Papulopustular Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Papulopustular Rosacea"
      ],
      "interventions": [
        {
          "name": "Azelaic acid (Finacea, BAY39-6251)",
          "type": "DRUG"
        },
        {
          "name": "Metronidazole (Metrogel)",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline (Oracea)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2009-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Denver, Colorado • West Palm Beach, Florida + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Warren",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00855595"
    },
    {
      "nct_id": "NCT05416333",
      "title": "Azelaic Acid as a Novel Treatment for Central Centrifugal Cicatricial Alopecia (CCCA)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Central Centrifugal Cicatricial Alopecia"
      ],
      "interventions": [
        {
          "name": "azelaic acid",
          "type": "DRUG"
        },
        {
          "name": "usual medication for CCCA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2024-08-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-19T13:22:49.732Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05416333"
    }
  ]
}