{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone+100+MG&page=4",
    "query": {
      "intervention": "Progesterone 100 MG",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 452,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone+100+MG&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Progesterone+100+MG&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T12:12:17.661Z",
  "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": "NCT07795606",
      "title": "An Observational Study to Learn How Mirena and Other Progestogen Treatments Are Used for Endometrial Protection in Women 40+ With a Uterus in the United States Receiving Estrogen Therapy, and Their Respective Health Outcomes",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Estrogen Therapy"
      ],
      "interventions": [
        {
          "name": "Estrogen therapy",
          "type": "DRUG"
        },
        {
          "name": "Mirena levonorgestrel-releasing intrauterine system",
          "type": "DEVICE"
        },
        {
          "name": "Other progestogen therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 456000,
      "start_date": "2026-08-31",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Eden Prairie, Minnesota",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07795606"
    },
    {
      "nct_id": "NCT00001285",
      "title": "Effects of Sex Hormones on Circadian Rhythm in Men and Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Disorder",
        "Circadian Rhythm",
        "Depressive Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 73,
      "start_date": "1991-08",
      "completion_date": "2000-06",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001285"
    },
    {
      "nct_id": "NCT01831076",
      "title": "Preoperative Hormone Therapy for Postmenopausal Women With ER+ Clinical Stage T2-4 Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Stage II Breast Cancer",
        "Stage III Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "Exemestane and tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2002-04",
      "completion_date": "2022-01-06",
      "has_results": true,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01831076"
    },
    {
      "nct_id": "NCT04549116",
      "title": "Subcutaneous Progesterone in Frozen- Thawed Single Euploid Blastocyst Transfer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Progesterone-IBSA Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Progesterone Vaginal Gel with Applicator",
          "type": "DRUG"
        },
        {
          "name": "Placebo Vaginal gel with applicator",
          "type": "DRUG"
        },
        {
          "name": "Placebo injectable solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "IBSA Institut Biochimique SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 42 Years · Female only"
      },
      "enrollment_count": 688,
      "start_date": "2022-10-12",
      "completion_date": "2026-08-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 24,
      "location_summary": "Tempe, Arizona • Encino, California • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04549116"
    },
    {
      "nct_id": "NCT00580333",
      "title": "Preoperative Cisplatin and Bevacizumab in ER-, PR-, HER2 Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2007-09",
      "completion_date": "2020-06",
      "has_results": true,
      "last_update_posted_date": "2021-05-26",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580333"
    },
    {
      "nct_id": "NCT01953211",
      "title": "Oral Contraceptive Hormone-free Interval Pituitary/ Ovarian Activity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypothalamic-pituitary-ovarian Axis, Gonadotropins, Ethinyl Estradiol, Contraceptive Efficacy"
      ],
      "interventions": [
        {
          "name": "combined oral contraceptives",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 64,
      "start_date": null,
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2019-07-26",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953211"
    },
    {
      "nct_id": "NCT00050011",
      "title": "Zoledronic Acid - Letrozole Adjuvant Synergy Trial (ZFAST) - Cancer Treatment Related Bone Loss in Postmenopausal Women With Estrogen Receptor Positive and/or Progesterone Receptor Positive Breast Cancer Receiving Adjuvant Hormonal Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Neoplasms",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Zoledronic Acid",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 602,
      "start_date": "2002-09",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2014-03-21",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 43,
      "location_summary": "Springdale, Arkansas • Burbank, California • Lafayette, California + 39 more",
      "locations": [
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Lafayette",
          "state": "California"
        },
        {
          "city": "LaVerne",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00050011"
    },
    {
      "nct_id": "NCT07084714",
      "title": "Moderate Aerobic Exercise for Managing Menstrual Cycle Symptoms",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premenstrual Syndrome",
        "Menstrual Cycle",
        "Menstrual Distress (Dysmenorrhea)",
        "Menstrual Bleeding, Heavy"
      ],
      "interventions": [
        {
          "name": "Moderate Aerobic Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Colorado Springs",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2025-07",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 1,
      "location_summary": "Colorado Springs, Colorado",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07084714"
    },
    {
      "nct_id": "NCT01004744",
      "title": "Pre-Surgical Intervention for Targeted Therapies for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Invasive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Anastrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2007-07",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2021-01-11",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01004744"
    },
    {
      "nct_id": "NCT00680667",
      "title": "Clinical Trial of Trametes Versicolor in Women With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Coriolus versicolor extract",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 75 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2007-04",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-10-02T12:12:17.661Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Kenmore, Washington",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Kenmore",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00680667"
    }
  ]
}