{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ESTRING&page=9",
    "query": {
      "intervention": "ESTRING",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 887,
    "total_pages": 89,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ESTRING&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ESTRING&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T14:57:08.113Z",
  "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": "NCT04709094",
      "title": "A Drug Interaction Study of Danicopan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Ethinyl Estradiol/Norethindrone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 52,
      "start_date": "2019-07-28",
      "completion_date": "2020-04-17",
      "has_results": false,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04709094"
    },
    {
      "nct_id": "NCT05061472",
      "title": "A 6-month Observational Study on Combined Oral Contraceptives and Body Weight in Pre-Menopausal Women With Overweight or Obesity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraceptive Usage",
        "Overweight or Obesity",
        "Body Weight Changes",
        "Appetitive Behavior",
        "Eating Behavior"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2022-05-23",
      "completion_date": "2023-08-23",
      "has_results": true,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Denver, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05061472"
    },
    {
      "nct_id": "NCT05026502",
      "title": "A Study to Assess Patient-Reported Quality of Life and Effectiveness on Control of Bleeding in Adult Participants With Heavy Menstrual Bleeding Due to Uterine Fibroids Taking Oral Oriahnn Capsules",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heavy Menstrual Bleeding",
        "Uterine Fibroids"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "51 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 51 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2021-10-05",
      "completion_date": "2022-08-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05026502"
    },
    {
      "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": "2026-10-26T14:57:08.113Z",
      "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": "NCT02049957",
      "title": "Safety and Efficacy Study of Sapanisertib in Combination With Exemestane or Fulvestrant in Postmenopausal Women With Estrogen Receptor Positive/Human Epidermal Growth Factor Receptor 2 Negative (ER+/HER2-) Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Sapanisertib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Calithera Biosciences, Inc",
      "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": 118,
      "start_date": "2014-02-13",
      "completion_date": "2018-06-29",
      "has_results": true,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 30,
      "location_summary": "Los Angeles, California • San Francisco, California • Santa Barbara, California + 24 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02049957"
    },
    {
      "nct_id": "NCT05472792",
      "title": "Compare Adjuvant Monotherapy With Endocrine or Accelerated Partial Breast Irradiation After Lumpectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Accelerated Partial Breast Irradiation (APBI)",
          "type": "RADIATION"
        },
        {
          "name": "tamoxifen, anastrozole, exemestane, letrozole, fulvestrant, toremifene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "65 Years and older · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2022-05-17",
      "completion_date": "2032-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05472792"
    },
    {
      "nct_id": "NCT01301183",
      "title": "Effects of Anorexia Nervosa on Peak Bone Mass",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anorexia Nervosa"
      ],
      "interventions": [
        {
          "name": "RhIGF-1 with transdermal 17-beta estradiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo and transdermal 17-beta estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "22 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 22 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2011-02",
      "completion_date": "2020-03",
      "has_results": true,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01301183"
    },
    {
      "nct_id": "NCT03336437",
      "title": "Estrogen and the Urogenital Microbiome in GSM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Estradiol vaginal ring",
          "type": "DRUG"
        },
        {
          "name": "Placebo vaginal ring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 89 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2018-02-01",
      "completion_date": "2019-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-11-22",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03336437"
    },
    {
      "nct_id": "NCT00146601",
      "title": "Fulvestrant in Premenopausal Women With Hormone Receptor-Positive Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2004-06",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2007-12-21",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Lowell, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Lowell",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00146601"
    },
    {
      "nct_id": "NCT05343572",
      "title": "Bone Marrow Derived Stem Cells Mobilization for Treatment of Abnormal Endometrium",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Asherman Syndrome",
        "Atrophic Endometrium",
        "Recurrent Implantation Failure"
      ],
      "interventions": [
        {
          "name": "Plerixafor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hugh Taylor",
      "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": 90,
      "start_date": "2023-11-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-26T14:57:08.113Z",
      "location_count": 1,
      "location_summary": "Orange, Connecticut",
      "locations": [
        {
          "city": "Orange",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05343572"
    }
  ]
}