{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tretinoin+Facial+Gel",
    "query": {
      "intervention": "Tretinoin Facial Gel"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tretinoin+Facial+Gel&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T02:43:16.114Z",
  "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": "NCT01313728",
      "title": "A Study That Evaluates the Decrease in Irritation When Using Additional Acne Treatment Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Dapsone plus Tretinoin Gel",
          "type": "DRUG"
        },
        {
          "name": "Tretinoin Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 26,
      "start_date": "2010-12",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2012-02-15",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "Broomall, Pennsylvania",
      "locations": [
        {
          "city": "Broomall",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01313728"
    },
    {
      "nct_id": "NCT00952523",
      "title": "Evaluation of Irritation That Potentially Could be Caused by Two Facial Gels Applied to Opposite Sides of the Face",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Tretinoin Facial Gel",
          "type": "DRUG"
        },
        {
          "name": "Adapalene/Benzoyl Peroxide Facial Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 162,
      "start_date": "2009-07",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2012-02-15",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "Broomall, Pennsylvania",
      "locations": [
        {
          "city": "Broomall",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00952523"
    },
    {
      "nct_id": "NCT00907335",
      "title": "A Study of Acne Treatment in Children Ages 9 to 11",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Retin-A Micro 0.04% facial acne treatment",
          "type": "DRUG"
        },
        {
          "name": "Vehicle control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "9 Years to 11 Years"
      },
      "enrollment_count": 110,
      "start_date": "2009-02",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2012-02-15",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 12,
      "location_summary": "Encino, California • San Diego, California • Miami, Florida + 9 more",
      "locations": [
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00907335"
    },
    {
      "nct_id": "NCT04883736",
      "title": "A Study Comparing Tretinoin Gel Microsphere, 0.1% and RETIN-A MICRO ® Gel Microsphere, 0.1% in the Treatment of Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Tretinoin Gel Microsphere, 0.1%",
          "type": "DRUG"
        },
        {
          "name": "RETIN-A MICRO® (Tretinoin) Gel Microsphere, 0.1%",
          "type": "DRUG"
        },
        {
          "name": "Placebo Control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sun Pharmaceutical Industries, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "12 Years to 40 Years"
      },
      "enrollment_count": 973,
      "start_date": "2020-08-31",
      "completion_date": "2021-04-16",
      "has_results": false,
      "last_update_posted_date": "2021-05-12",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04883736"
    },
    {
      "nct_id": "NCT00841776",
      "title": "Comparative Antimicrobial Efficacy of Two Topical Acne Therapies for the Treatment of Facial Acne",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne"
      ],
      "interventions": [
        {
          "name": "Duac",
          "type": "DRUG"
        },
        {
          "name": "Ziana gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stiefel, a GSK Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2007-08",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 2,
      "location_summary": "Louisville, Kentucky • Mason, Ohio",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Mason",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00841776"
    },
    {
      "nct_id": "NCT00835198",
      "title": "Dapsone Gel 5% and Tretinoin Gel 0.025% Versus Tretinoin Gel 0.025% Monotherapy for Facial Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Dapsone; Tretinoin",
          "type": "DRUG"
        },
        {
          "name": "Tretinoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 163,
      "start_date": "2008-12",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2011-10-31",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "Strongsville, Ohio",
      "locations": [
        {
          "city": "Strongsville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835198"
    },
    {
      "nct_id": "NCT00823901",
      "title": "Safety and Efficacy Study of Clindamycin Phosphate 1.2% and Tretinoin 0.025% Gel to Treat Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "Clindamycin Phosphate 1.2% And Tretinoin 0.025% Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2009-02",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-25",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823901"
    },
    {
      "nct_id": "NCT01125930",
      "title": "Atralin Gel for the Treatment of Rosacea",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "vehicle gel",
          "type": "DRUG"
        },
        {
          "name": "Atralin gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lisa E. Maier",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2010-05",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-07-16",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01125930"
    },
    {
      "nct_id": "NCT01522456",
      "title": "Split-face Tolerability Comparison Between Adapalene-Benzoyl Peroxide Gel Versus Tretinoin Gel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Epiduo Gel",
          "type": "DRUG"
        },
        {
          "name": "Retin-A Micro Microsphere 0.1%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Galderma R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2012-04",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2022-08-01",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01522456"
    },
    {
      "nct_id": "NCT01422785",
      "title": "A Study Comparing Combination Clindamycin Phosphate/Tretinoin Gel Alone Versus With Benzoyl Peroxide Foaming Cloths for Facial Acne",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "clindamycin phosphate 1.2%/tretinoin 0.025% gel alone",
          "type": "DRUG"
        },
        {
          "name": "clindamycin phosphate 1.2%/tretinoin 0.025% gel plus benzoyl peroxide 6% foaming cloths",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zeichner, Joshua, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2011-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-08-24",
      "last_synced_at": "2026-09-30T02:43:16.114Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01422785"
    }
  ]
}