{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TDF+Placebo&page=2",
    "query": {
      "intervention": "TDF Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TDF+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T12:18:46.683Z",
  "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": "NCT01575405",
      "title": "A Study to Compare Three Different Formulations of Tenofovir 1% Gel When Administered Rectally",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "Rectal formulation (RF) of tenofovir 1% gel",
          "type": "DRUG"
        },
        {
          "name": "Vaginal formulations (original VF and reduced vaginal glycerin formulation RGVF) of tenofovir 1% gel",
          "type": "DRUG"
        },
        {
          "name": "Universal HEC Placebo Gel Formulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ian McGowan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2013-03",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2013-11-07",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01575405"
    },
    {
      "nct_id": "NCT01565850",
      "title": "D/C/F/TAF Versus COBI-boosted DRV Plus FTC/TDF in HIV-1 Infected, Antiretroviral Treatment Naive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acquired Immunodeficiency Syndrome",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "D/C/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "DRV",
          "type": "DRUG"
        },
        {
          "name": "COBI",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF",
          "type": "DRUG"
        },
        {
          "name": "D/C/F/TAF Placebo",
          "type": "DRUG"
        },
        {
          "name": "DRV Placebo",
          "type": "DRUG"
        },
        {
          "name": "COBI Placebo",
          "type": "DRUG"
        },
        {
          "name": "FTC/TDF Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2012-04",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2016-04-11",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Los Angeles, California + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01565850"
    },
    {
      "nct_id": "NCT04283656",
      "title": "Evaluating Drug Interactions Between Doravirine With Estradiol and Spironolactone in Healthy Transgender Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Transgender Health",
        "Gender Dysphoria",
        "Transgender Women",
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "Doravirine/Lamivudine/Tenofovir",
          "type": "DRUG"
        },
        {
          "name": "Spironolactone 100mg",
          "type": "DRUG"
        },
        {
          "name": "Estradiol 2mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson 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": 8,
      "start_date": "2022-01-04",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04283656"
    },
    {
      "nct_id": "NCT03361956",
      "title": "An Efficacy, Safety, and Pharmacokinetics Study of JNJ-56136379 in Participants With Chronic Hepatitis B Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis B"
      ],
      "interventions": [
        {
          "name": "JNJ-56136379",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "NA (ETV or TDF)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Sciences Ireland UC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 232,
      "start_date": "2018-02-13",
      "completion_date": "2020-08-13",
      "has_results": true,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 7,
      "location_summary": "Bakersfield, California • Orlando, Florida • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Hillsborough",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03361956"
    },
    {
      "nct_id": "NCT02607930",
      "title": "Study to Evaluate the Safety and Efficacy of Bictegravir/Emtricitabine/Tenofovir Alafenamide Versus Abacavir/Dolutegravir/Lamivudine in Human Immunodeficiency Virus-1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "ABC/DTG/3TC",
          "type": "DRUG"
        },
        {
          "name": "B/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "ABC/DTG/3TC Placebo",
          "type": "DRUG"
        },
        {
          "name": "B/F/TAF Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 631,
      "start_date": "2015-11-13",
      "completion_date": "2021-07-02",
      "has_results": true,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 78,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02607930"
    },
    {
      "nct_id": "NCT02245945",
      "title": "Safety and Acceptability of Tenofovir 1% Gel in Adolescent Females",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "TFV 1% vaginal gel",
          "type": "DRUG"
        },
        {
          "name": "HEC Placebo Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CONRAD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 17 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-05-01",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 2,
      "location_summary": "The Bronx, New York • Salt Lake City, Utah",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02245945"
    },
    {
      "nct_id": "NCT00984971",
      "title": "Rectal Microbicide Safety and Acceptability Trial of Topically Applied Tenofovir Compared With Oral Tablet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Tenofovir",
          "type": "DRUG"
        },
        {
          "name": "HEC Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open label tenofovir tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CONRAD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2009-09",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2015-08-28",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984971"
    },
    {
      "nct_id": "NCT02006264",
      "title": "Safety and Pharmacokinetics (PK) of a Polyurethane Tenofovir Disoproxil Fumarate (TDF) Vaginal Ring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "TDF Intravaginal Ring",
          "type": "DRUG"
        },
        {
          "name": "Placebo Intravaginal Ring",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "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": 30,
      "start_date": "2013-11-19",
      "completion_date": "2014-11-06",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02006264"
    },
    {
      "nct_id": "NCT03547908",
      "title": "Safety and Efficacy of Bictegravir/Emtricitabine/Tenofovir Alafenamide Versus Dolutegravir + Emtricitabine/Tenofovir Disoproxil Fumarate in Treatment Naive, HIV-1 and Hepatitis B Co-Infected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1/HBV Co-Infection"
      ],
      "interventions": [
        {
          "name": "B/F/TAF",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match DTG",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match F/TDF",
          "type": "DRUG"
        },
        {
          "name": "DTG",
          "type": "DRUG"
        },
        {
          "name": "F/TDF",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match B/F/TAF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 244,
      "start_date": "2018-05-30",
      "completion_date": "2024-03-07",
      "has_results": true,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 4,
      "location_summary": "Ft. Pierce, Florida • West Palm Beach, Florida • Berkley, Michigan + 1 more",
      "locations": [
        {
          "city": "Ft. Pierce",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Berkley",
          "state": "Michigan"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03547908"
    },
    {
      "nct_id": "NCT03576066",
      "title": "A Study Evaluating ABI-H0731 as Adjunctive Therapy in Participants With Chronic Hepatitis B Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "ABI-H0731",
          "type": "DRUG"
        },
        {
          "name": "SOC NUC",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Assembly Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 73,
      "start_date": "2018-06-11",
      "completion_date": "2019-07-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-09-16T12:18:46.683Z",
      "location_count": 17,
      "location_summary": "Beverly Hills, California • Coronado, California • Los Angeles, California + 10 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576066"
    }
  ]
}