{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Doxycycline+Hyclate+20+MG",
    "query": {
      "intervention": "Doxycycline Hyclate 20 MG"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T09:36:45.461Z",
  "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": "NCT01631617",
      "title": "Effects of Treatments on Atopic Dermatitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eczema",
        "Dermatitis",
        "Skin Diseases, Genetic",
        "Dermatitis, Atopic",
        "Skin Diseases"
      ],
      "interventions": [
        {
          "name": "Trimethoprim/sulfamethoxazole (TMP/SMZ)",
          "type": "DRUG"
        },
        {
          "name": "Cephalexin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Sodium hypochlorite",
          "type": "OTHER"
        },
        {
          "name": "Placebo capsules",
          "type": "OTHER"
        },
        {
          "name": "Placebo Sodium hypochlorite",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "2 Years to 50 Years"
      },
      "enrollment_count": 130,
      "start_date": "2012-09-18",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01631617"
    },
    {
      "nct_id": "NCT01935622",
      "title": "Safety and Efficacy of Doxycycline in Patients With Non-Ischemic Cardiomyopathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-ischemic Cardiomyopathy",
        "Systolic Heart Failure (NYHA II-III)"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2012-07",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2014-08-20",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01935622"
    },
    {
      "nct_id": "NCT01014260",
      "title": "Doxycycline Outcomes in Lupus Erythematosus",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-09",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2012-03-30",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01014260"
    },
    {
      "nct_id": "NCT05399290",
      "title": "Subantimicrobial Doxycycline in Acne",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris",
        "Pediatrics"
      ],
      "interventions": [
        {
          "name": "Doxycycline Hyclate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 22,
      "start_date": "2020-11-19",
      "completion_date": "2021-11-08",
      "has_results": true,
      "last_update_posted_date": "2023-04-03",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 1,
      "location_summary": "Lansing, Michigan",
      "locations": [
        {
          "city": "Lansing",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05399290"
    },
    {
      "nct_id": "NCT00066027",
      "title": "Effects of Low-Dose Doxycycline on Oral Bone Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Periodontitis"
      ],
      "interventions": [
        {
          "name": "20 mg doxycycline hyclate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 70 Years · Female only"
      },
      "enrollment_count": 128,
      "start_date": "2002-06-01",
      "completion_date": "2005-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-06",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 2,
      "location_summary": "Lincoln, Nebraska • Stony Brook, New York",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066027"
    },
    {
      "nct_id": "NCT03479502",
      "title": "Intra-articular Doxycycline: A Novel Treatment of Adhesive Capsulitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Adhesive Capsulitis",
        "Adhesive Capsulitis of Unspecified Shoulder",
        "Frozen Shoulder"
      ],
      "interventions": [
        {
          "name": "Methylprednisolone Injectable Product",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2018-03-05",
      "completion_date": "2022-02-08",
      "has_results": true,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03479502"
    },
    {
      "nct_id": "NCT00480532",
      "title": "A Study of Continuous Oral Contraceptives and Doxycycline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraceptives, Oral"
      ],
      "interventions": [
        {
          "name": "Lybrel",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Oracea",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline 100bid x5 days at the time of bleeding",
          "type": "DRUG"
        },
        {
          "name": "Subantimicrobial doxycycline daily",
          "type": "DRUG"
        },
        {
          "name": "placebo daily",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 131,
      "start_date": "2007-05",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2014-10-22",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 2,
      "location_summary": "Honolulu, Hawaii • Portland, Oregon",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00480532"
    },
    {
      "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": "2026-09-30T09:36:45.461Z",
      "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": "NCT04686799",
      "title": "Doxycycline for Elbow Tendinopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lateral Epicondylitis",
        "Lateral Epicondylitis, Left Elbow",
        "Lateral Epicondylitis, Right Elbow",
        "Lateral Epicondylitis, Unspecified Elbow",
        "Lateral Epicondylitis (Tennis Elbow) Bilateral",
        "Medial Epicondylitis",
        "Medial Epicondylitis, Right Elbow",
        "Medial Epicondylitis, Left Elbow"
      ],
      "interventions": [
        {
          "name": "Doxycycline Hyclate 20 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2020-12-03",
      "completion_date": "2025-10-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04686799"
    },
    {
      "nct_id": "NCT00041977",
      "title": "Determine the Effect of Administering Periostat(R) Twice Daily on Patients With Acne Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acne Rosacea"
      ],
      "interventions": [
        {
          "name": "doxycycline hyclate 20 mg twice daily",
          "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": 150,
      "start_date": "2002-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-30T09:36:45.461Z",
      "location_count": 7,
      "location_summary": "Gainesville, Florida • Miami, Florida • West Palm Beach, Florida + 4 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00041977"
    }
  ]
}