{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Conjugated+equine+estrogens&page=4",
    "query": {
      "intervention": "Conjugated equine estrogens",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 75,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Conjugated+equine+estrogens&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Conjugated+equine+estrogens&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T15:30:39.904Z",
  "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": "NCT00196378",
      "title": "A Clinical Trial to Evaluate the Safety and Efficacy of Enjuvia 0.3 mg for the Treatment of Vulvovaginal Atrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Synthetic Conjugated estrogens, B",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duramed Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 80 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2004-11",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2013-09-02",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 38,
      "location_summary": "Huntsville, Alabama • Tucson, Arizona • Carmichael, California + 31 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00196378"
    },
    {
      "nct_id": "NCT01023178",
      "title": "Comparison of Transdermal and Oral Estrogens in Adolescent Girls With Ovarian Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Failure, Premature"
      ],
      "interventions": [
        {
          "name": "17beta Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Conjugated estrogens",
          "type": "DRUG"
        },
        {
          "name": "17Beta Estradiol - transdermal",
          "type": "DRUG"
        },
        {
          "name": "Progesterone, micronized",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 18 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2007-02",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01023178"
    },
    {
      "nct_id": "NCT00479778",
      "title": "Study Of Pharmacokinetic (PK) Profile of Bazedoxifene (BZA) in 2 BZA/Conjugated Estrogen Forms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Postmenopause"
      ],
      "interventions": [
        {
          "name": "Bazedoxifene/conjugated estrogens",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2007-04",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2007-12-28",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00479778"
    },
    {
      "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": "2026-10-06T15:30:39.904Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474851"
    },
    {
      "nct_id": "NCT00685009",
      "title": "The Women's Health Initiative Memory Study (The WHIMS Study)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dementia Syndromes"
      ],
      "interventions": [
        {
          "name": "Estrogen hormone therapy",
          "type": "DRUG"
        },
        {
          "name": "Estrogen plus progesterone hormone therapy",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "79 Years",
        "sex": "FEMALE",
        "summary": "65 Years to 79 Years · Female only"
      },
      "enrollment_count": 7525,
      "start_date": "1996-01",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2015-10-19",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00685009"
    },
    {
      "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": "2026-10-06T15:30:39.904Z",
      "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"
    },
    {
      "nct_id": "NCT00420342",
      "title": "Effects of Angeliq and Prempro on Blood Pressure and Sodium Sensitivity in Postmenopausal Women With Prehypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postmenopause",
        "Hypertension",
        "Pre-Hypertension"
      ],
      "interventions": [
        {
          "name": "Drospirenone/17ß-estradiol (Angeliq, BAY86-4891)",
          "type": "DRUG"
        },
        {
          "name": "SH K 00641 C - Medroxyprogesterone acetate / conjugated equine (Prempro TM)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 65 Years · Female only"
      },
      "enrollment_count": 92,
      "start_date": "2007-01",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2015-06-02",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 9,
      "location_summary": "Greenbrae, California • San Diego, California • Daytona Beach, Florida + 6 more",
      "locations": [
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Paw Paw",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00420342"
    },
    {
      "nct_id": "NCT00002976",
      "title": "Estrogen Replacement Therapy in Treating Women With Early-Stage Endometrial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "conjugated estrogens",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 2108,
      "start_date": "1997-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-04-11",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 149,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 99 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002976"
    },
    {
      "nct_id": "NCT00319566",
      "title": "Heart and Estrogen-Progestin Replacement Study (HERS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Coronary Heart Disease"
      ],
      "interventions": [
        {
          "name": "Premarin .625 mg daily plus medroxyprogesterone 2.5 mg daily",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 75 Years · Female only"
      },
      "enrollment_count": 2430,
      "start_date": "1992-07",
      "completion_date": "2001-07",
      "has_results": false,
      "last_update_posted_date": "2006-04-27",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00319566"
    },
    {
      "nct_id": "NCT00361569",
      "title": "A Clinical Trial to Evaluate the Safety and Efficacy of DR-2041(Synthetic Conjugated Estrogens, A) for Treatment of Vulvovaginal Atrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "DR-2041a",
          "type": "DRUG"
        },
        {
          "name": "DR-2041b",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duramed Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 80 Years · Female only"
      },
      "enrollment_count": 622,
      "start_date": "2006-08",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2015-04-20",
      "last_synced_at": "2026-10-06T15:30:39.904Z",
      "location_count": 97,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Montgomery, Alabama + 77 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00361569"
    }
  ]
}