{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Daily+doxycycline+hyclate+100mg&page=2",
    "query": {
      "intervention": "Daily doxycycline hyclate 100mg",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Daily+doxycycline+hyclate+100mg&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Daily+doxycycline+hyclate+100mg&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T13:12:53.673Z",
  "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": "NCT00351273",
      "title": "Combination Antibiotic Treatment for Reactive Arthritis Caused by Chlamydia Bacteria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis, Reactive",
        "Reiter Disease"
      ],
      "interventions": [
        {
          "name": "Doxycycline and Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Azithromycin and Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 42,
      "start_date": "2006-05",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2018-11-13",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • New Orleans, Louisiana",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00351273"
    },
    {
      "nct_id": "NCT05111002",
      "title": "Lefamulin for M. Genitalium Treatment Failures",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Mycoplasma Genitalium Infection"
      ],
      "interventions": [
        {
          "name": "Lefamulin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2022-04-22",
      "completion_date": "2023-11-30",
      "has_results": true,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05111002"
    },
    {
      "nct_id": "NCT06683638",
      "title": "Daily Doxycycline for Early Syphillis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Syphilis"
      ],
      "interventions": [
        {
          "name": "Doxycycline 200mg daily for 14 days",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2025-03-03",
      "completion_date": "2026-06-26",
      "has_results": false,
      "last_update_posted_date": "2025-06-25",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06683638"
    },
    {
      "nct_id": "NCT01677286",
      "title": "Safety and Effect of Doxycycline in Patients With Amyloidosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Amyloidosis"
      ],
      "interventions": [
        {
          "name": "Doxycycline 100 mg po bid x 12 months",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2012-07",
      "completion_date": "2015-12-15",
      "has_results": true,
      "last_update_posted_date": "2017-08-01",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01677286"
    },
    {
      "nct_id": "NCT00783523",
      "title": "Influence of MMP on Brain AVM Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Arteriovenous Malformations",
        "Cavernous Angiomas",
        "Brain Aneurysms"
      ],
      "interventions": [
        {
          "name": "Doxycycline or Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2008-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2013-08-09",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00783523"
    },
    {
      "nct_id": "NCT02207556",
      "title": "Doxycycline to Upgrade Organ Response in Light Chain (AL) Amyloidosis Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Systemic Amyloidosis"
      ],
      "interventions": [
        {
          "name": "Doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2014-10-01",
      "completion_date": "2020-05-19",
      "has_results": true,
      "last_update_posted_date": "2021-07-09",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02207556"
    },
    {
      "nct_id": "NCT07544251",
      "title": "Comparing Sarecycline and Doxycycline Effects on the Skin and Gut Bacteria in Acne.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Sarecycline",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Integrative Skin Science and Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-04-20",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07544251"
    },
    {
      "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": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06545656"
    },
    {
      "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": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04108897"
    },
    {
      "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": "2026-11-15T13:12:53.673Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01885910"
    }
  ]
}