{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+vaginal+ring&page=2",
    "query": {
      "intervention": "Placebo vaginal ring",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+vaginal+ring&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+vaginal+ring&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T17:09:12.806Z",
  "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": "NCT00682721",
      "title": "Valacyclovir Suppression to Improve the Stability of Vaginal Flora Among HSV-2 Seropositive Women",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bacterial Vaginosis",
        "Herpes Simplex Virus Type II"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 0,
      "start_date": "2009-02",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2012-03-02",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00682721"
    },
    {
      "nct_id": "NCT01779947",
      "title": "Study to Evaluate the Safety and Bioequivalence of Estradiol Vaginal Inserts, 10 mcg and Vagifem® 10 mcg and Compare to Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrophic Vaginitis Due to Menopause"
      ],
      "interventions": [
        {
          "name": "Estradiol Vaginal Tablets 10 mcg",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amneal Pharmaceuticals, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 75 Years · Female only"
      },
      "enrollment_count": 519,
      "start_date": "2012-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-06-26",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 25,
      "location_summary": "Huntsville, Alabama • Montgomery, Alabama • San Diego, California + 19 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01779947"
    },
    {
      "nct_id": "NCT03782480",
      "title": "Examining Effects of Intrarosa in Women With Genitourinary Syndrome of Menopause/Vulvovaginal Atrophy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menopause",
        "Genitourinary Syndrome of Menopause",
        "Vulvovaginal Atrophy",
        "Menopause Syndrome",
        "Dyspareunia"
      ],
      "interventions": [
        {
          "name": "Intrarosa",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Center for Vulvovaginal Disorders",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 80 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2019-03-02",
      "completion_date": "2021-01-02",
      "has_results": false,
      "last_update_posted_date": "2019-01-31",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • New York, New York",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03782480"
    },
    {
      "nct_id": "NCT03211156",
      "title": "Treatment of Gardnerella Vaginalis Vaginal Colonization With Amoxicillin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vaginitis Gardnerella"
      ],
      "interventions": [
        {
          "name": "Amoxicillin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 97,
      "start_date": "2017-09-11",
      "completion_date": "2019-08-22",
      "has_results": true,
      "last_update_posted_date": "2020-08-28",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03211156"
    },
    {
      "nct_id": "NCT03692403",
      "title": "Randomized Trial Assessing Quinagolide Vaginal Ring for Endometriosis-related Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometriosis-related Pain"
      ],
      "interventions": [
        {
          "name": "Quinagolide 360 µg",
          "type": "DRUG"
        },
        {
          "name": "Quinagolide 720 µg",
          "type": "DRUG"
        },
        {
          "name": "Quinagolide 1080 µg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ferring Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2018-12-26",
      "completion_date": "2022-02-14",
      "has_results": true,
      "last_update_posted_date": "2023-08-18",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 43,
      "location_summary": "Mesa, Arizona • Little Rock, Arkansas • San Diego, California + 36 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692403"
    },
    {
      "nct_id": "NCT01448616",
      "title": "Effect of Tenofovir on Genital Herpes Simplex Virus (HSV) Shedding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Herpes Simplex Type II"
      ],
      "interventions": [
        {
          "name": "TDF",
          "type": "DRUG"
        },
        {
          "name": "Placebo Vaginal Gel",
          "type": "DRUG"
        },
        {
          "name": "Vaginal TFV Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 73,
      "start_date": "2012-02",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01448616"
    },
    {
      "nct_id": "NCT06135974",
      "title": "Vaginal lIve Biotherapeutic RANdomized Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Bacterial Vaginosis"
      ],
      "interventions": [
        {
          "name": "LC106",
          "type": "DRUG"
        },
        {
          "name": "LC115",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Metronidazole Oral",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 24,
      "start_date": "2024-02-01",
      "completion_date": "2025-02-18",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06135974"
    },
    {
      "nct_id": "NCT01230814",
      "title": "Topical Metronidazole and Miconazole Co-formulated Vaginal Suppositories for Preventing Vaginal Infections in HIV-seronegative Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bacterial Vaginosis",
        "Candidiasis",
        "Trichomoniasis"
      ],
      "interventions": [
        {
          "name": "Neo-Penotran® Forte (active ingredient Metronidazole & Miconazole Nitrate)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 234,
      "start_date": "2011-04",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2014-10-06",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01230814"
    },
    {
      "nct_id": "NCT01846442",
      "title": "Topical DHEA Against Vaginal Atrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vaginal Atrophy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "DHEA (0.25%)",
          "type": "DRUG"
        },
        {
          "name": "DHEA (0.5%)",
          "type": "DRUG"
        },
        {
          "name": "DHEA (1.0%)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EndoCeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 75 Years · Female only"
      },
      "enrollment_count": 218,
      "start_date": "2007-06",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2017-08-29",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • Norfolk, Virginia",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01846442"
    },
    {
      "nct_id": "NCT02028338",
      "title": "Study of Dapivirine Vaginal Ring (VR) in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "placebo ring",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "dapivirine ring",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "International Partnership for Microbicides, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 17 Years · Female only"
      },
      "enrollment_count": 96,
      "start_date": "2014-06-27",
      "completion_date": "2018-06-08",
      "has_results": true,
      "last_update_posted_date": "2022-10-24",
      "last_synced_at": "2026-10-05T17:09:12.806Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Aurora, Colorado • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02028338"
    }
  ]
}