{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=conjugated+estrogens",
    "query": {
      "intervention": "conjugated estrogens"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 81,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=conjugated+estrogens&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T06:25:00.751Z",
  "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": "NCT00154180",
      "title": "Kronos Early Estrogen Prevention Study (KEEPS)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopause",
        "Arteriosclerosis"
      ],
      "interventions": [
        {
          "name": "Conjugated equine estrogens 0.45 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Transdermal estradiol, 50 mcg/day",
          "type": "DRUG"
        },
        {
          "name": "Micronized progesterone, 200 mg/day x 12 d/month",
          "type": "DRUG"
        },
        {
          "name": "CEE , progesterone, estradiol patch or placebo for each",
          "type": "DRUG"
        },
        {
          "name": "CEE, progesterone, transdermal patch or the placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kronos Longevity Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Years",
        "maximum_age": "58 Years",
        "sex": "FEMALE",
        "summary": "42 Years to 58 Years · Female only"
      },
      "enrollment_count": 728,
      "start_date": "2005-09",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2009-09-14",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • San Francisco, California • New Haven, Connecticut + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00154180"
    },
    {
      "nct_id": "NCT00229450",
      "title": "Estrogen and Perimenopausal Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depressive Disorder, Major",
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Estrogen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 60 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2002-04",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00229450"
    },
    {
      "nct_id": "NCT06176261",
      "title": "DATO-BASE: DATOpotamab-deruxtecan for Breast Cancer Brain metAstaSEs",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Cancer Female",
        "Metastatic Triple-Negative Breast Carcinoma",
        "ER Positive Breast Cancer",
        "HER2-negative Breast Cancer",
        "HER2 Negative Breast Carcinoma",
        "ER-negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Datopotamab Deruxtecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nancy Lin, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2024-01-08",
      "completion_date": "2029-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Boston, Massachusetts • Durham, North Carolina",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06176261"
    },
    {
      "nct_id": "NCT00745173",
      "title": "Study Evaluating Premarin and Bazedoxifene Potential Interaction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Postmenopause"
      ],
      "interventions": [
        {
          "name": "Premarin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 70 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2008-09",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2009-02-12",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00745173"
    },
    {
      "nct_id": "NCT02835846",
      "title": "Investigation of the Effect of the Female Urinary Microbiome on Incontinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Overactive Bladder",
        "Incontinence",
        "Nocturia"
      ],
      "interventions": [
        {
          "name": "Estrogen Cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loyola University",
      "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": "2016-09",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2021-09-23",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 1,
      "location_summary": "Maywood, Illinois",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02835846"
    },
    {
      "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": "2026-09-07T06:25:00.751Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474851"
    },
    {
      "nct_id": "NCT02710214",
      "title": "A TSEC for Symptom Management in Menopausal Women With Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Menopause",
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Tissue Selective Estrogen Complex",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "62 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 62 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2016-02",
      "completion_date": "2019-04-24",
      "has_results": true,
      "last_update_posted_date": "2020-07-15",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02710214"
    },
    {
      "nct_id": "NCT00592839",
      "title": "Study to Evaluate the Effects of Synthetic Conjugated Estrogens, B (SCE-B) on Nocturnal Vasomotor Symptoms in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nocturnal Vasomotor Symptoms"
      ],
      "interventions": [
        {
          "name": "SCE-B",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duramed Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 65 Years · Female only"
      },
      "enrollment_count": 157,
      "start_date": "2007-12",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2013-07-19",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 17,
      "location_summary": "Anaheim, California • Sacramento, California • San Diego, California + 14 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00592839"
    },
    {
      "nct_id": "NCT01778985",
      "title": "Effect of Preoperative Estrogen Treatment on Connective Tissues of the Pelvic Floor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pelvic Organ Prolapse",
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Premarin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "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": 30,
      "start_date": "2012-12",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2014-10-02",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01778985"
    },
    {
      "nct_id": "NCT00238732",
      "title": "Study Evaluating Bazedoxifene/Conjugated Estrogen Combinations in Vasomotor Symptoms Associated With Menopause",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vaginal Atrophy"
      ],
      "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": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 650,
      "start_date": "2005-10",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2007-12-28",
      "last_synced_at": "2026-09-07T06:25:00.751Z",
      "location_count": 63,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Scottsdale, Arizona + 60 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00238732"
    }
  ]
}