{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tetracycline",
    "query": {
      "intervention": "Tetracycline"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 305,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tetracycline&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T11:35:23.501Z",
  "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": "NCT02815280",
      "title": "A Study to Compare the Efficacy and Safety of Topical Administration of FMX-101 for Treatment of Moderate-to-Severe Acne",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "FMX-101, 4% minocycline foam",
          "type": "DRUG"
        },
        {
          "name": "Vehicle Foam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vyne Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 495,
      "start_date": "2016-05",
      "completion_date": "2017-10-13",
      "has_results": true,
      "last_update_posted_date": "2022-01-18",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 35,
      "location_summary": "Glendale, Arizona • Rogers, Arkansas • Oceanside, California + 31 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02815280"
    },
    {
      "nct_id": "NCT00495313",
      "title": "Safety and Efficacy Study to Compare Two Rosacea Treatment Regimens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CollaGenex Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 91,
      "start_date": "2007-03",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2008-12-16",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 7,
      "location_summary": "Omaha, Nebraska • Las Vegas, Nevada • Arlington, Texas + 4 more",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Arlington",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "West Jordan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00495313"
    },
    {
      "nct_id": "NCT04108897",
      "title": "Analysis of the Microbiome in Rosacea",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Ivermectin Topical",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 150,
      "start_date": "2019-09-17",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04108897"
    },
    {
      "nct_id": "NCT00662532",
      "title": "Antibiotic Study for Dental Implants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Periodontitis"
      ],
      "interventions": [
        {
          "name": "Minocycline HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OraPharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2008-04",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2011-12-12",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Ann Arbor, Michigan • Hazlet, New Jersey + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Hazlet",
          "state": "New Jersey"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00662532"
    },
    {
      "nct_id": "NCT03106740",
      "title": "Evaluating the Role of Neuroinflammation in Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low Back Pain",
        "Back Pain With Radiation",
        "Back Pain Without Radiation",
        "Back Pain Lower Back Chronic",
        "Back Ache",
        "Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "Minocycline Hydrochloride 100mg Capsule",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance-Positron Emission Tomography Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Placebo Capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Marco Loggia",
      "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": 60,
      "start_date": "2017-10-10",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03106740"
    },
    {
      "nct_id": "NCT02569437",
      "title": "Doxycycline in Treating Patients With Chronic Rhinosinusitis With Nasal Polyps",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Polyp of Nasal Sinus"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "nasal saline spray",
          "type": "DRUG"
        },
        {
          "name": "Flonase",
          "type": "DRUG"
        },
        {
          "name": "sugar pill",
          "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": 49,
      "start_date": "2014-09",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2018-01-09",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02569437"
    },
    {
      "nct_id": "NCT03076281",
      "title": "Metformin Hydrochloride and Doxycycline in Treating Patients With Head and Neck Squamous Cell Carcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Larynx",
        "LIP",
        "Oral Cavity",
        "Pharynx"
      ],
      "interventions": [
        {
          "name": "Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Metformin +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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2017-04-03",
      "completion_date": "2018-12-03",
      "has_results": true,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03076281"
    },
    {
      "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": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02874430"
    },
    {
      "nct_id": "NCT04349410",
      "title": "The Fleming [FMTVDM] Directed CoVid-19 Treatment Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "CoVid 19 Positive"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine, Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin, Primaquine - low dose.",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin, Primaquine - high dose.",
          "type": "DRUG"
        },
        {
          "name": "Remdesivir",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Interferon-Alpha2B",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Convalescent Serum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Camelot Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1800,
      "start_date": "2020-04-11",
      "completion_date": "2020-09-14",
      "has_results": false,
      "last_update_posted_date": "2020-11-12",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04349410"
    },
    {
      "nct_id": "NCT00401921",
      "title": "A Study of the Effects of Minocycline on Cognitive Function After Carotid Endarterectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carotid Stenosis"
      ],
      "interventions": [
        {
          "name": "Minocycline",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 0,
      "start_date": "2006-10",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-09-04T11:35:23.501Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00401921"
    }
  ]
}