{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estring&page=3",
    "query": {
      "intervention": "Estring",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 887,
    "total_pages": 89,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estring&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estring&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T09:58:38.415Z",
  "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": "NCT02670785",
      "title": "A Safety and Efficacy Study of Estradiol Vaginal Capsule in Postmenopausal Women With Vulvovaginal Atrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vulvovaginal Atrophy",
        "Menopause",
        "Dyspareunia"
      ],
      "interventions": [
        {
          "name": "Estradiol Vaginal Capsule (EVC)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 203,
      "start_date": "2016-02-15",
      "completion_date": "2016-11-14",
      "has_results": false,
      "last_update_posted_date": "2017-08-23",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 20,
      "location_summary": "Tucson, Arizona • San Diego, California • New London, Connecticut + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New London",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Pinellas Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02670785"
    },
    {
      "nct_id": "NCT00242710",
      "title": "Study Evaluating Bazedoxifene/Conjugated Estrogens Combinations In Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Hyperplasia",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Bazedoxifene/Conjugated Estrogen",
          "type": "DRUG"
        },
        {
          "name": "CE 0.45 mg/MPA 1.5mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 1083,
      "start_date": "2005-09",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2013-12-20",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 9,
      "location_summary": "Upland, California • Inverness, Florida • West Palm Beach, Florida + 6 more",
      "locations": [
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Inverness",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00242710"
    },
    {
      "nct_id": "NCT00278915",
      "title": "Faslodex in McCune-Albright Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Puberty, Precocious",
        "McCune-Albright Syndrome"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "10 Years",
        "sex": "FEMALE",
        "summary": "1 Year to 10 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2006-01-31",
      "completion_date": "2023-07-20",
      "has_results": true,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Miami, Florida • Lexington, Kentucky + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00278915"
    },
    {
      "nct_id": "NCT06494150",
      "title": "Nab-Sirolimus and Endocrine Therapy in Recurrent Low Grade Serous Ovarian Cancer (NARETO)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low Grade Ovarian Serous Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "nab-Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "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": 37,
      "start_date": "2024-12-26",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06494150"
    },
    {
      "nct_id": "NCT00544882",
      "title": "A Study to Evaluate Hormone Patterns and Ovarian Follicular Activity With DR-1021",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "DR-1021",
          "type": "DRUG"
        },
        {
          "name": "Mircette®",
          "type": "DRUG"
        },
        {
          "name": "Kariva®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 61,
      "start_date": "2007-10-31",
      "completion_date": "2008-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-11-18",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 4,
      "location_summary": "Lawrenceville, New Jersey • Columbus, Ohio • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Lawrenceville",
          "state": "New Jersey"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00544882"
    },
    {
      "nct_id": "NCT03240081",
      "title": "Treating Postmenopausal Dyspareunia Where it Hurts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dyspareunia"
      ],
      "interventions": [
        {
          "name": "50mcg estradiol cream",
          "type": "DRUG"
        },
        {
          "name": "100mcg estradiol cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 70 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2017-06-20",
      "completion_date": "2019-11-21",
      "has_results": true,
      "last_update_posted_date": "2023-05-22",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03240081"
    },
    {
      "nct_id": "NCT00468481",
      "title": "Efficacy and Safety Study for an Oral Contraceptive Containing Folate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neural Tube Defects",
        "Contraception",
        "Oral Contraceptives (OC)"
      ],
      "interventions": [
        {
          "name": "Drospirenone/Ethinylestradiol/Methyltetrahydrofolate",
          "type": "DRUG"
        },
        {
          "name": "Drospirenone/Ethinylestradiol (Yaz)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 385,
      "start_date": "2007-04",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 9,
      "location_summary": "Anaheim, California • San Diego, California • Baltimore, Maryland + 6 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Morrisville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00468481"
    },
    {
      "nct_id": "NCT07190430",
      "title": "A Study to Learn If the Study Medicine Called PF-08049820 Changes How the Body Processes the Other Study Medicines Called Oral Contraceptives, Midazolam, and Dabigatran in Healthy Adult Female Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "PF-08049820",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Dabigatran Etexilate",
          "type": "DRUG"
        },
        {
          "name": "Portia (EE and LN) or equivalent oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2025-10-03",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07190430"
    },
    {
      "nct_id": "NCT01408030",
      "title": "North American Study of Epistaxis in Hereditary Hemorrhagic Telangiectasia (HHT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Telangiectasia, Hereditary Hemorrhagic",
        "Epistaxis"
      ],
      "interventions": [
        {
          "name": "Sterile saline",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Estriol",
          "type": "DRUG"
        },
        {
          "name": "Tranexamic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "James Gossage",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 123,
      "start_date": "2011-08",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2018-10-19",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Augusta, Georgia • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01408030"
    },
    {
      "nct_id": "NCT05282277",
      "title": "Examining the Effects of Estradiol on Neural and Molecular Response to Reward",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression",
        "Psychosis",
        "Anhedonia"
      ],
      "interventions": [
        {
          "name": "Transdermal Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Micronized Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo Patch",
          "type": "DRUG"
        },
        {
          "name": "Raclopride C11",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 55 Years · Female only"
      },
      "enrollment_count": 103,
      "start_date": "2022-04-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-22T09:58:38.415Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05282277"
    }
  ]
}