{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contraceptive+Vaginal+Ring",
    "query": {
      "intervention": "Contraceptive Vaginal Ring"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contraceptive+Vaginal+Ring&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T12:16:40.594Z",
  "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": "NCT01813162",
      "title": "In Vivo Drug Interaction Pharmacokinetic Study of Tenofovir 1% Gel and Three Commonly Used Vaginal Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "Tenofovir 1% gel",
          "type": "DRUG"
        },
        {
          "name": "Vaginal product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CONRAD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 101,
      "start_date": "2013-12",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-22",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • The Bronx, New York",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01813162"
    },
    {
      "nct_id": "NCT03598088",
      "title": "Safety and Acceptability Study of a Non-Hormonal Ring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Ovaprene",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Daré Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 38,
      "start_date": "2018-05-23",
      "completion_date": "2019-11-15",
      "has_results": true,
      "last_update_posted_date": "2022-06-08",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 6,
      "location_summary": "Sacramento, California • North Miami, Florida • Idaho Falls, Idaho + 3 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "North Miami",
          "state": "Florida"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03598088"
    },
    {
      "nct_id": "NCT02215395",
      "title": "An Open-label Study to Evaluate the Effects of Concurrent Administration of Vaginal Antimycotic Medication Miconazole Nitrate on the Pharmacokinetics of Nestorone and Ethinyl Estradiol Delivered by a Contraceptive Vaginal Ring in Normal Ovulating Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Antifungal Drug Adverse Reaction"
      ],
      "interventions": [
        {
          "name": "NES/EE CVR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Population Council",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2014-03",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2017-08-15",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 1,
      "location_summary": "Springfield, Missouri",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02215395"
    },
    {
      "nct_id": "NCT00357526",
      "title": "Oral Contraceptive Pills Compared to Vaginal Rings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "OCPs",
          "type": "DRUG"
        },
        {
          "name": "vaginal ring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 21 Years · Female only"
      },
      "enrollment_count": 130,
      "start_date": "2003-04",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2007-04-23",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00357526"
    },
    {
      "nct_id": "NCT00369967",
      "title": "Quick Start Initiation of the Contraceptive Vaginal Ring in Adolescents",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception Desired"
      ],
      "interventions": [
        {
          "name": "NuvaRing",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 21 Years · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2007-02",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2016-07-22",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00369967"
    },
    {
      "nct_id": "NCT02626208",
      "title": "Dose Finding Study of Contraceptive Vaginal Ring With Different Estradiol Levels in Combination With Nestorone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Suppression of Ovulation"
      ],
      "interventions": [
        {
          "name": "Nestorone®/Estradiol Contraceptive Vaginal Ring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Premier Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 65,
      "start_date": "2016-01",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-08-15",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 7,
      "location_summary": "Sacramento, California • New York, New York • Cincinnati, Ohio + 4 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02626208"
    },
    {
      "nct_id": "NCT04814927",
      "title": "Impact of Contraceptives on Cervico-Vaginal Mucosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mucosal Inflammation",
        "Contraceptive; Complications, Intrauterine"
      ],
      "interventions": [
        {
          "name": "Copper IUD",
          "type": "DRUG"
        },
        {
          "name": "Etonogestrel implant",
          "type": "DRUG"
        },
        {
          "name": "Levonorgestrel IUS",
          "type": "DRUG"
        },
        {
          "name": "DMPA Sub-cutaneous",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 112,
      "start_date": "2021-03-01",
      "completion_date": "2022-12-15",
      "has_results": false,
      "last_update_posted_date": "2023-08-25",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814927"
    },
    {
      "nct_id": "NCT01586000",
      "title": "A Dose-finding Study to Evaluate the Effect of a Contraceptive Vaginal Ring, Releasing Nestorone® and Estradiol, on Cycle Control, Ovulation Inhibition, and Pharmacokinetics in Normal Cycling Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Suppression of Ovulation"
      ],
      "interventions": [
        {
          "name": "10 µg/day E2 with NES 200® µg/day",
          "type": "DRUG"
        },
        {
          "name": "20 µg/day E2 with NES 200® µg/day",
          "type": "DRUG"
        },
        {
          "name": "40 µg/day E2 with NES 200® µg/day",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kimberly Myer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 197,
      "start_date": "2012-03",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 8,
      "location_summary": "Baltimore, Maryland • New York, New York • Cincinnati, Ohio + 4 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01586000"
    },
    {
      "nct_id": "NCT02312726",
      "title": "Postplacental Intrauterine Device Insertion: A Mixed Methods Assessment of Women's Experience",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Postplacental IUD insertion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 135,
      "start_date": "2013-11",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2016-04-04",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02312726"
    },
    {
      "nct_id": "NCT01421368",
      "title": "Contraception and Menstrual Cycle Effect on Pharmacokinetics, Pharmacodynamics and Safety in Tenofovir Vaginal Gel Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "Tenofovir 1% vaginal gel",
          "type": "DRUG"
        },
        {
          "name": "Depo-medroxyprogesterone acetate (DMPA)",
          "type": "DRUG"
        },
        {
          "name": "Oral contraceptive: LNG 150 mcg and EE 30 mcg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CONRAD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2012-03",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2015-04-10",
      "last_synced_at": "2026-09-04T12:16:40.594Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Norfolk, Virginia",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01421368"
    }
  ]
}