{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Doxycycline",
    "query": {
      "intervention": "Doxycycline"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 177,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Doxycycline&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T09:35:08.292Z",
  "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": "NCT01885910",
      "title": "Aczone 5% Gel as Maintenance Treatment of Acne Vulgaris Following Completion of Oral Doxycycline and Aczone 5% Gel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Doxycycline 100mg",
          "type": "DRUG"
        },
        {
          "name": "Aczone 5% gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Derm Research, PLLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "12 Years to 85 Years"
      },
      "enrollment_count": 32,
      "start_date": "2013-07",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-02-27",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01885910"
    },
    {
      "nct_id": "NCT01113931",
      "title": "Treatment of Chlamydia Infection Comparing WC2031 Tablets With Vibramycin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urogential Chlamydia Trachomatis Infection"
      ],
      "interventions": [
        {
          "name": "Doxycyline Hyclate tablet",
          "type": "DRUG"
        },
        {
          "name": "Vibramycin (doxycyline hyclate) capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 495,
      "start_date": "2010-04",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-01-27",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Foley, Alabama • Tucson, Arizona + 38 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01113931"
    },
    {
      "nct_id": "NCT01658995",
      "title": "Management of Etonogestrel Subdermal Implant-related Bleeding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ESI-related Bleeding"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Petra M. Casey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "51 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 51 Years · Female only"
      },
      "enrollment_count": 82,
      "start_date": "2012-09-13",
      "completion_date": "2019-12-30",
      "has_results": true,
      "last_update_posted_date": "2021-01-26",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01658995"
    },
    {
      "nct_id": "NCT02874430",
      "title": "Metformin Hydrochloride and Doxycycline in Treating Patients With Localized Breast or Uterine Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Serous Adenocarcinoma",
        "Uterine Corpus Cancer",
        "Uterine Corpus Carcinosarcoma"
      ],
      "interventions": [
        {
          "name": "Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "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": 29,
      "start_date": "2016-06-08",
      "completion_date": "2020-12-11",
      "has_results": true,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02874430"
    },
    {
      "nct_id": "NCT03075891",
      "title": "Oracea Soolantra Association in Participants With Severe Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "Ivermectin 1% cream",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline 40 mg MR (30 mg Immediate Release & 10 mg Delayed Release beads) capsules",
          "type": "DRUG"
        },
        {
          "name": "Oral placebo capsules",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 273,
      "start_date": "2017-07-05",
      "completion_date": "2018-02-08",
      "has_results": true,
      "last_update_posted_date": "2021-03-16",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 9,
      "location_summary": "Fort Smith, Arkansas • Sacramento, California • Boca Raton, Florida + 5 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03075891"
    },
    {
      "nct_id": "NCT00007735",
      "title": "Antibiotic Treatment of Gulf War Veterans' Illnesses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Persian Gulf Syndrome",
        "Mycoplasma Infections"
      ],
      "interventions": [
        {
          "name": "Doxycycline (200mg/day) or Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "1999-01",
      "completion_date": "2001-10",
      "has_results": false,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • San Diego, California • Washington D.C., District of Columbia + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00007735"
    },
    {
      "nct_id": "NCT05072093",
      "title": "Parrying the Pitfalls of PrEP: Project PEACH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV",
        "STI"
      ],
      "interventions": [
        {
          "name": "PrEP discontinuation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Offering of on-demand oral PrEP",
          "type": "DRUG"
        },
        {
          "name": "Offering of STI PEP",
          "type": "DRUG"
        },
        {
          "name": "Injectable PrEP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 240,
      "start_date": "2021-11-20",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05072093"
    },
    {
      "nct_id": "NCT00243893",
      "title": "Tetracycline-Derivatives for Treatment of Cerebral Arteriovenous Malformations and Aneurysms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Aneurysms",
        "Arteriovenous Malformations"
      ],
      "interventions": [
        {
          "name": "minocycline",
          "type": "DRUG"
        },
        {
          "name": "doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "13 Years to 80 Years"
      },
      "enrollment_count": 26,
      "start_date": "2004-07",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2013-10-09",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00243893"
    },
    {
      "nct_id": "NCT06545656",
      "title": "Daily Doxycycline to Inform Sexually Transmitted Infection Prophylaxis Regimens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sexually Transmitted Infection"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 24,
      "start_date": "2024-09-13",
      "completion_date": "2025-04-29",
      "has_results": true,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06545656"
    },
    {
      "nct_id": "NCT04860505",
      "title": "Combo-PEP: Multipurpose Prevention of Post-Exposure Prophylaxis Regimens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sexually Transmitted Diseases"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Biktarvy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-05-20",
      "completion_date": "2022-05-09",
      "has_results": true,
      "last_update_posted_date": "2023-05-23",
      "last_synced_at": "2026-09-03T09:35:08.292Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04860505"
    }
  ]
}