{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=micronized+progesterone",
    "query": {
      "intervention": "micronized progesterone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 65,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=micronized+progesterone&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T16:15:15.532Z",
  "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": "NCT01762943",
      "title": "Neurophysiology of Postpartum Depression in an Experimental Model of Pregnancy and Parturition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postpartum Depression"
      ],
      "interventions": [
        {
          "name": "Leuprolide Acetate",
          "type": "DRUG"
        },
        {
          "name": "Micronized 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": "22 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "22 Years to 50 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2013-08",
      "completion_date": "2016-10-13",
      "has_results": true,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01762943"
    },
    {
      "nct_id": "NCT01636336",
      "title": "Effects of Progesterone on Smoked Nicotine Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effects",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "OTHER"
        },
        {
          "name": "Progesterone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mclean Hospital",
      "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": 45,
      "start_date": "2008-09",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2013-01-15",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01636336"
    },
    {
      "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": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01023178"
    },
    {
      "nct_id": "NCT02254577",
      "title": "Vaginal Compared to Intramuscular Progesterone for Frozen Embryo Transfer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Endometrin® plus Progesterone in Oil (PIO)",
          "type": "DRUG"
        },
        {
          "name": "Progesterone in Oil (PIO) Only",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shady Grove Fertility Reproductive Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "48 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 48 Years · Female only"
      },
      "enrollment_count": 1139,
      "start_date": "2014-10",
      "completion_date": "2018-04-27",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 14,
      "location_summary": "Washington D.C., District of Columbia • Annapolis, Maryland • Baltimore, Maryland + 10 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Annapolis",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bel Air",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02254577"
    },
    {
      "nct_id": "NCT02922348",
      "title": "Hormone Replacement for Premature Ovarian Insufficiency",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Ovarian Insufficiency"
      ],
      "interventions": [
        {
          "name": "Hormone Replacement Therapy",
          "type": "DRUG"
        },
        {
          "name": "Combined Oral Contraceptives",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-03-01",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922348"
    },
    {
      "nct_id": "NCT01809639",
      "title": "Does Oral Micronized Progesterone Shorten Time of Symptoms From Concussion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Concussion"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "18 Years to 44 Years"
      },
      "enrollment_count": 25,
      "start_date": "2013-06",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01809639"
    },
    {
      "nct_id": "NCT06834594",
      "title": "Bleeding Patterns in Sequential and Continuous Progesterone Supplementation in Adolescents With Turner Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Turner Syndrome",
        "Primary Ovarian Insufficiency (Poi)"
      ],
      "interventions": [
        {
          "name": "Micronized progesterone 200 MG",
          "type": "DRUG"
        },
        {
          "name": "Micronized Progesterone 100 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "20 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 20 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2025-07-31",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06834594"
    },
    {
      "nct_id": "NCT01773772",
      "title": "Progesterone Suppression of Nocturnal LH Increases in Pubertal Girls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Female Puberty"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "14 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 14 Years · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2005-02-08",
      "completion_date": "2009-06-08",
      "has_results": false,
      "last_update_posted_date": "2020-10-14",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773772"
    },
    {
      "nct_id": "NCT07010146",
      "title": "Role of Estrogen on Skeletal Outcomes in FHA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bone Strength",
        "Bone Density",
        "FHA (Functional Hypothalamic Amenorrhea)"
      ],
      "interventions": [
        {
          "name": "transdermal 17β-E2 with cyclic progestin",
          "type": "DRUG"
        },
        {
          "name": "oral 17β-E2 with cyclic progestin",
          "type": "DRUG"
        },
        {
          "name": "transdermal EE+LNG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 30 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2025-10-01",
      "completion_date": "2030-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 2,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07010146"
    },
    {
      "nct_id": "NCT01180296",
      "title": "Oral Progesterone for Prevention of Preterm Birth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Preterm Birth"
      ],
      "interventions": [
        {
          "name": "oral micronized progesterone",
          "type": "DRUG"
        },
        {
          "name": "Identical Placebo tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fetal Medicine Foundation",
      "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": 36,
      "start_date": "2006-11",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2019-02-18",
      "last_synced_at": "2026-09-03T16:15:15.532Z",
      "location_count": 1,
      "location_summary": "Dayton, Ohio",
      "locations": [
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01180296"
    }
  ]
}