{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nuvaring",
    "query": {
      "intervention": "Nuvaring"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nuvaring&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T18:35:19.386Z",
  "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": "NCT00635570",
      "title": "Acceptability of the NuvaRing Among Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Birth Control Compliance"
      ],
      "interventions": [
        {
          "name": "Ortho Tri-cyclen Lo",
          "type": "DRUG"
        },
        {
          "name": "NuvaRing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "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": 273,
      "start_date": "2008-07",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2021-02-03",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00635570"
    },
    {
      "nct_id": "NCT00269620",
      "title": "PARIS or PAtch RIng Study: A Trial to Evaluate NuvaRing Versus OrthoEvra",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "ethinyl estradiol/etonogestrel vaginal ring",
          "type": "DRUG"
        },
        {
          "name": "ethinyl estradiol/norelgestromin transdermal contraceptive",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 500,
      "start_date": "2005-06",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2008-10-21",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00269620"
    },
    {
      "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": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00369967"
    },
    {
      "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": "2026-09-06T18:35:19.386Z",
      "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": "NCT00710606",
      "title": "Comparison of Serum Contraceptive Hormone Levels Between Normal Weight and Obese Users of the NuvaRing®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "NuvaRing",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "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": 40,
      "start_date": "2008-06",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-30",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710606"
    },
    {
      "nct_id": "NCT02432404",
      "title": "Effects of a Vaginal Contraceptive Ring on Vaginal Microbiota and Local Immunity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bacterial Vaginosis"
      ],
      "interventions": [
        {
          "name": "NuvaRing",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2016-03",
      "completion_date": "2021-11",
      "has_results": true,
      "last_update_posted_date": "2025-02-05",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02432404"
    },
    {
      "nct_id": "NCT01448291",
      "title": "Effect of the Etonogestrel 0.12mg/Ethinyl Estradiol 0.015mg Vaginal Ring on Vaginal Innate and Inflammatory Biomarkers",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vaginosis, Bacterial"
      ],
      "interventions": [
        {
          "name": "Etonogestrel /Ethinyl Estradiol Contraceptive Vaginal Ring",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "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": "2011-10",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2012-04-24",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01448291"
    },
    {
      "nct_id": "NCT00612508",
      "title": "Hormonal Contraception and Vaginal Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraceptive Usage",
        "Vaginal Epithelial Disruption"
      ],
      "interventions": [
        {
          "name": "Desogen (ethinyl estradiol and desogestrel)",
          "type": "DRUG"
        },
        {
          "name": "NuvaRing (ethinyl estradiol and etonogestrel)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "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": 14,
      "start_date": "2007-05",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2012-11-08",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00612508"
    },
    {
      "nct_id": "NCT04257500",
      "title": "Does Vaginal Delivery of Combined Hormonal Contraception Affect the Risk of Metabolic Syndrome in Overweight/Obese Women With PCOS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Etonogestrel/ethinyl estradiol vaginal ring",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrea Roe, MD, MPH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2020-09-03",
      "completion_date": "2025-08-22",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04257500"
    },
    {
      "nct_id": "NCT00475553",
      "title": "Management of Breakthrough Bleeding During Extended Therapy Use With NuvaRing®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breakthrough Bleeding",
        "Breakthrough Spotting"
      ],
      "interventions": [
        {
          "name": "remove ring if bleeding or spotting occurs more than 5 days",
          "type": "OTHER"
        },
        {
          "name": "If bleeding does not remove ring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Scott and White Hospital & Clinic",
      "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": 75,
      "start_date": "2006-05",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2009-12-18",
      "last_synced_at": "2026-09-06T18:35:19.386Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00475553"
    }
  ]
}