{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone&page=19",
    "query": {
      "intervention": "Progesterone",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 453,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T03:39:15.266Z",
  "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": "NCT00997893",
      "title": "Research Investigation of Soy and Estrogen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Menopause",
        "Hot Flashes"
      ],
      "interventions": [
        {
          "name": "Soy Phytoestrogen",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Medroxyprogesterone Acetate (MPA)",
          "type": "DRUG"
        },
        {
          "name": "Soy Placebo",
          "type": "DRUG"
        },
        {
          "name": "MPA Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 96,
      "start_date": "2009-12",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2020-12-07",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997893"
    },
    {
      "nct_id": "NCT00229697",
      "title": "Phase II Metastatic ER+/PgR+ Nolvadex +/- Iressa Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Gefitinib",
          "type": "DRUG"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 130 Years · Female only"
      },
      "enrollment_count": 317,
      "start_date": "2003-10",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 4,
      "location_summary": "Berkeley, California • Palm Springs, California • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00229697"
    },
    {
      "nct_id": "NCT00805207",
      "title": "Sex Steroids, Sleep, and Metabolic Dysfunction in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome (PCOS)",
        "Obstructive Sleep Apnea",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        },
        {
          "name": "glucocorticoid",
          "type": "DRUG"
        },
        {
          "name": "continuous positive airway pressure",
          "type": "DEVICE"
        },
        {
          "name": "Estrogen",
          "type": "DRUG"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 61,
      "start_date": "2007-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00805207"
    },
    {
      "nct_id": "NCT02579421",
      "title": "Hormones and Reduction in Co-users of Marijuana and Nicotine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Marijuana Dependence"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 58,
      "start_date": "2015-11",
      "completion_date": "2017-07-27",
      "has_results": true,
      "last_update_posted_date": "2020-06-26",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02579421"
    },
    {
      "nct_id": "NCT01259310",
      "title": "Women With Epilepsy: Pregnancy Outcomes and Deliveries",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NYU Langone Health",
      "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": 199,
      "start_date": "2010-11",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-03-07",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Great Neck, New York • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Great Neck",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01259310"
    },
    {
      "nct_id": "NCT01607320",
      "title": "Efficacy Study of Raloxifene to Induce Ovulation in Polycystic Ovarian Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovarian Syndrome"
      ],
      "interventions": [
        {
          "name": "Raloxifene",
          "type": "DRUG"
        },
        {
          "name": "Clomiphene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bruce Lessey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "36 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 36 Years · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2012-06",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01607320"
    },
    {
      "nct_id": "NCT00303615",
      "title": "Androgen Therapy for Management of Estrogen/Progesterone Receptor Negative ER(-)PR(-) Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fluoxymesterone 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Anastrozole 1 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Legacy Health System",
      "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": 5,
      "start_date": "2005-06",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2008-10-20",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00303615"
    },
    {
      "nct_id": "NCT04393623",
      "title": "Stress, Emotion Regulation, and Alcohol in Women Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive Reappraisal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychoeducation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2020-11-01",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "Leeds, Massachusetts",
      "locations": [
        {
          "city": "Leeds",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04393623"
    },
    {
      "nct_id": "NCT00064025",
      "title": "Medroxyprogesterone in Treating Patients With Endometrioid Adenocarcinoma of the Uterine Corpus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Adenocarcinoma",
        "Endometrial Adenosquamous Carcinoma",
        "Endometrial Endometrioid Adenocarcinoma, Variant With Squamous Differentiation",
        "Recurrent Uterine Corpus Carcinoma",
        "Stage I Uterine Corpus Cancer",
        "Stage II Uterine Corpus Cancer",
        "Stage III Uterine Corpus Cancer",
        "Stage IV Uterine Corpus Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Medroxyprogesterone",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2004-04",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2016-04-11",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064025"
    },
    {
      "nct_id": "NCT00999804",
      "title": "Extension Study of Lapatinib Plus Herceptin With or Without Endocrine Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Lapatinib",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Breast Care Center",
      "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": 128,
      "start_date": "2011-10",
      "completion_date": "2026-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-10-20T03:39:15.266Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Indianapolis, Indiana + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00999804"
    }
  ]
}