{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone&page=15",
    "query": {
      "intervention": "Progesterone",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 453,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T21:30:14.317Z",
  "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": "NCT01598298",
      "title": "S1202: Duloxetine Hydrochloride for Muscle/Joint Pain in Early-Stage Breast Cancer Receiving Hormone Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Musculoskeletal Complications",
        "Pain"
      ],
      "interventions": [
        {
          "name": "duloxetine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "Up to 120 Years · Female only"
      },
      "enrollment_count": 299,
      "start_date": "2013-05-15",
      "completion_date": "2018-12-20",
      "has_results": true,
      "last_update_posted_date": "2022-12-16",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 714,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Jonesboro, Arkansas + 475 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01598298"
    },
    {
      "nct_id": "NCT03756480",
      "title": "Cancer Driving Mutations in Endometriosis Lesions and Development of Progesterone Resistance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometriosis",
        "Endometrial Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 135,
      "start_date": "2020-10-01",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 3,
      "location_summary": "New Haven, Connecticut • Baltimore, Maryland • Nashville, Tennessee",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03756480"
    },
    {
      "nct_id": "NCT02092571",
      "title": "A Pharmacokinetic Study to Evaluate the Bioequivalence of 2 Progesterone Vaginal Rings in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Progesterone vaginal ring,",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 70 Years · Female only"
      },
      "enrollment_count": 56,
      "start_date": "2014-02",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02092571"
    },
    {
      "nct_id": "NCT01008319",
      "title": "Traditional Clomiphene Citrate Administration vs. Stair-step Approach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ovulatory Dysfunction",
        "Anovulation",
        "Ovulation Induction"
      ],
      "interventions": [
        {
          "name": "clomiphene citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2009-10",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2018-01-08",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008319"
    },
    {
      "nct_id": "NCT02255175",
      "title": "Perimenopausal Effects of Estradiol on Reward Responsiveness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Perimenopausal Depression"
      ],
      "interventions": [
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "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": 64,
      "start_date": "2015-10-01",
      "completion_date": "2018-10-17",
      "has_results": true,
      "last_update_posted_date": "2019-11-12",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02255175"
    },
    {
      "nct_id": "NCT02734290",
      "title": "Standard of Care Chemotherapy Plus Pembrolizumab for Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Providence Health & Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2016-02-23",
      "completion_date": "2026-12",
      "has_results": true,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Portland, Oregon",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02734290"
    },
    {
      "nct_id": "NCT02603926",
      "title": "Treatment of Fragile-X Associated Tremor/Ataxia Syndrome (FXTAS) With Allopregnanolone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fragile X-associated Tremor/Ataxia Syndrome"
      ],
      "interventions": [
        {
          "name": "Allopregnanolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Randi J. Hagerman, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 6,
      "start_date": "2015-10",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2018-12-06",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02603926"
    },
    {
      "nct_id": "NCT05618613",
      "title": "Study of Elacestrant in Combination With Onapristone in Patients With Advanced or Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Elacestrant",
          "type": "DRUG"
        },
        {
          "name": "Onapristone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Context Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2022-12-02",
      "completion_date": "2023-06-23",
      "has_results": true,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Zion, Illinois • Nashville, Tennessee",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Zion",
          "state": "Illinois"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05618613"
    },
    {
      "nct_id": "NCT00755313",
      "title": "Effects of Chemotherapy on the Brain in Women With Newly Diagnosed Early-Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Chemotherapeutic Agent Toxicity",
        "Cognitive/Functional Effects",
        "Fatigue",
        "Long-term Effects Secondary to Cancer Therapy in Adults",
        "Neurotoxicity",
        "Psychosocial Effects of Cancer and Its Treatment"
      ],
      "interventions": [
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aromatase inhibition therapy",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "metabolic assessment",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "study of socioeconomic and demographic variables",
          "type": "OTHER"
        },
        {
          "name": "cognitive assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 80 Years · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2007-05",
      "completion_date": "2014-06-06",
      "has_results": false,
      "last_update_posted_date": "2017-11-24",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00755313"
    },
    {
      "nct_id": "NCT00455741",
      "title": "Postmenopausal Women Estrogen and Progesterone Infusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Postmenopause",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Estradiol infusion",
          "type": "DRUG"
        },
        {
          "name": "Progesterone infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 80 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2000-11",
      "completion_date": "2015-08-22",
      "has_results": true,
      "last_update_posted_date": "2018-05-18",
      "last_synced_at": "2026-10-19T21:30:14.317Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00455741"
    }
  ]
}