{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contraceptive+Vaginal+Ring&page=2",
    "query": {
      "intervention": "Contraceptive Vaginal Ring",
      "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=Contraceptive+Vaginal+Ring&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T18:56:20.933Z",
  "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": "NCT00520455",
      "title": "Randomized Trial of Advanced Provision Emergency Contraception Among Women With Gonorrhea or Chlamydia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "levonorgestrel 0.75mg taken twice 12 hours apart (Plan B) and condoms",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 60 Years · Female only"
      },
      "enrollment_count": 177,
      "start_date": "2004-01",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2007-11-15",
      "last_synced_at": "2026-09-26T18:56:20.933Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00520455"
    },
    {
      "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": "2026-09-26T18:56:20.933Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00357526"
    },
    {
      "nct_id": "NCT03120728",
      "title": "Application for the Etonogestrel/Ethinyl Estradiol Ring",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Emergency Contraception",
        "Healthy, Reproductive Age Women"
      ],
      "interventions": [
        {
          "name": "Etonogestrel/ethinyl estradiol contraceptive vaginal ring",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "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": 36,
      "start_date": "2017-07-10",
      "completion_date": "2018-07-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-18",
      "last_synced_at": "2026-09-26T18:56:20.933Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03120728"
    },
    {
      "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": "2026-09-26T18:56:20.933Z",
      "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": "NCT00999479",
      "title": "Post Operative Continuous Active Combination Sex Steroids for the Prevention of Recurrent Endometrioma Formation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrioma"
      ],
      "interventions": [
        {
          "name": "Norethindrone acetate and ethinyl estradiol tablets, USP",
          "type": "DRUG"
        },
        {
          "name": "ferrous fumarate (placebo) tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "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": 0,
      "start_date": "2009-10",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2013-12-10",
      "last_synced_at": "2026-09-26T18:56:20.933Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00999479"
    },
    {
      "nct_id": "NCT03432416",
      "title": "Study of Efficacy, Cycle Control, and Safety of a NES-E2 Contraceptive Vaginal Ring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Women",
        "Female Contraception"
      ],
      "interventions": [
        {
          "name": "NES-E2 CVR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Premier Research",
      "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": 385,
      "start_date": "2018-02-12",
      "completion_date": "2021-12-14",
      "has_results": false,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-09-26T18:56:20.933Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Sacramento, California • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03432416"
    },
    {
      "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": "2026-09-26T18:56:20.933Z",
      "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": "2026-09-26T18:56:20.933Z",
      "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": "NCT01903031",
      "title": "Evaluating Pharmacokinetic Interactions With Vaginal Ring Contraceptives and ART",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV-1 Infection"
      ],
      "interventions": [
        {
          "name": "Nuvaring",
          "type": "DEVICE"
        },
        {
          "name": "EFV",
          "type": "DRUG"
        },
        {
          "name": "ATV/r",
          "type": "DRUG"
        },
        {
          "name": "TDF",
          "type": "DRUG"
        },
        {
          "name": "NRTIs",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "16 Years and older · Female only"
      },
      "enrollment_count": 84,
      "start_date": "2014-12-30",
      "completion_date": "2016-10-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-09-26T18:56:20.933Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01903031"
    },
    {
      "nct_id": "NCT00455156",
      "title": "Study of the Safety, Efficacy and Cycle Control of a Contraceptive Vaginal Ring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "150 mg of Nestorone and 15 mg of ethinyl estradiol (150/15 NES/EE CVR)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 1200,
      "start_date": "2006-12",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-26T18:56:20.933Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Denver, Colorado • Lexington, Kentucky + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00455156"
    }
  ]
}