{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estrogens%2C+Conjugated+%28USP%29",
    "query": {
      "intervention": "Estrogens, Conjugated (USP)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 46,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estrogens%2C+Conjugated+%28USP%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T21:07:38.363Z",
  "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": "NCT00803335",
      "title": "The Effects of Local Vaginal Estrogen in Postmenopausal Women With Pelvic Organ Prolapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pelvic Organ Prolapse",
        "Vaginal Atrophy"
      ],
      "interventions": [
        {
          "name": "Vaginal conjugated estrogen cream 0.5gm",
          "type": "DRUG"
        },
        {
          "name": "Vaginal conjugated estrogen cream 1.0gm",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TriHealth Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 54,
      "start_date": "2008-12",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00803335"
    },
    {
      "nct_id": "NCT00234676",
      "title": "POETRY: Study of Estrogen Replacement Therapy in Postmenopausal Women With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Premarin ®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Parkinson Study Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "Up to 75 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2003-10",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2008-01-08",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 6,
      "location_summary": "Sunnyvale, California • Atlanta, Georgia • Indianapolis, Indiana + 3 more",
      "locations": [
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00234676"
    },
    {
      "nct_id": "NCT00000419",
      "title": "Safety of Estrogens in Lupus: Hormone Replacement Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Premarin and Provera",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 350,
      "start_date": "1996-04",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2013-05-03",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000419"
    },
    {
      "nct_id": "NCT00474851",
      "title": "The Effect of Hormonal Add-Back Therapy in Adolescents Treated With a GnRH Agonist for Endometriosis: A Randomized Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "Norethindrone acetate + estrogens",
          "type": "DRUG"
        },
        {
          "name": "norethindrone acetate + placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "22 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 22 Years · Female only"
      },
      "enrollment_count": 53,
      "start_date": "2007-08",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2015-03-30",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474851"
    },
    {
      "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": "2026-09-30T21:07:38.363Z",
      "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": "NCT00808132",
      "title": "Study Evaluating The Effects Of Bazedoxifene/Conjugated Estrogens On Endometrial Safety And Postmenopausal Osteoporosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menopause",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "bazedoxifene 20 mg/ conjugated estrogens 0.45 mg",
          "type": "DRUG"
        },
        {
          "name": "bazedoxifene 20 mg/ conjugated estrogens 0.625 mg",
          "type": "DRUG"
        },
        {
          "name": "bazedoxifene 20 mg",
          "type": "DRUG"
        },
        {
          "name": "conjugated estrogens 0.45 mg/ medroxyprogesterone acetate 1.5 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 64 Years · Female only"
      },
      "enrollment_count": 1886,
      "start_date": "2009-01",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2014-04-08",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 143,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 119 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00808132"
    },
    {
      "nct_id": "NCT04103476",
      "title": "Advancing Postmenopausal Preventive Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atherosclerosis",
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Oral bazedoxifene 20 mg / conjugated estrogens 0.45 mg",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "59 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 59 Years · Female only"
      },
      "enrollment_count": 385,
      "start_date": "2021-04-13",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04103476"
    },
    {
      "nct_id": "NCT00234819",
      "title": "Study Evaluating Bazedoxifene/Conjugated Estrogen Combinations in Symptoms Associated With Menopause",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vasomotor Symptoms Associated With Menopause"
      ],
      "interventions": [
        {
          "name": "Bazedoxifene/Conjugated Estrogen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 64 Years · Female only"
      },
      "enrollment_count": 325,
      "start_date": "2005-10",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2007-12-28",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Fort Myers, Florida • North Port Richey, Florida + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "North Port Richey",
          "state": "Florida"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00234819"
    },
    {
      "nct_id": "NCT03740009",
      "title": "Effects of a Tissue Selective Estrogen Complex (TSEC) on Depression and the Neural Reward System in the Perimenopause\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Perimenopausal Disorder",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Bazedoxifene/Conjugated Estrogen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "44 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "44 Years to 55 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2019-01-02",
      "completion_date": "2021-05-17",
      "has_results": true,
      "last_update_posted_date": "2022-05-10",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03740009"
    },
    {
      "nct_id": "NCT04821141",
      "title": "Phase IIB Trial of Bazedoxifene Plus Conjugated Estrogens",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Risk Reduction",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Bazedoxifene and Conjugated Estrogens",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 64 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2021-12-14",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-09-30T21:07:38.363Z",
      "location_count": 6,
      "location_summary": "Duarte, California • San Francisco, California • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04821141"
    }
  ]
}