{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=GnRH+antagonist&page=4",
    "query": {
      "intervention": "GnRH antagonist",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 105,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=GnRH+antagonist&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=GnRH+antagonist&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T14:33:24.783Z",
  "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": "NCT05726292",
      "title": "A Study of Enzalutamide Plus the Glucocorticoid Receptor Antagonist Relacorilant Versus Placebo for Patients With High-risk Localized Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Relacorilant",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Sugar Pill)",
          "type": "OTHER"
        },
        {
          "name": "Androgen Deprivation Therapy",
          "type": "OTHER"
        },
        {
          "name": "Radical Prostatectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 90,
      "start_date": "2025-01-06",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Evanston, Illinois • Portland, Oregon + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05726292"
    },
    {
      "nct_id": "NCT00826839",
      "title": "Oral Microdose Lupron Versus Luteal Estradiol Trial in Poor Responder In Vitro Fertilization (IVF) Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Oral contraceptive pill and microdose lupron",
          "type": "DRUG"
        },
        {
          "name": "E2 patch/antagonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-01",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2013-06-25",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00826839"
    },
    {
      "nct_id": "NCT01226888",
      "title": "Changes in Brown Adipose Tissue Activity In Men Receiving Androgen Deprivation Therapy for Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 2,
      "start_date": "2010-09",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2012-11-05",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01226888"
    },
    {
      "nct_id": "NCT02069808",
      "title": "Efficacy of Recombinant FSH/GnRH Antagonist Protocol With and Without LH Adjunct for Egg Bank Donation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Egg Donation"
      ],
      "interventions": [
        {
          "name": "Follistim",
          "type": "DRUG"
        },
        {
          "name": "Ganirelix",
          "type": "DRUG"
        },
        {
          "name": "Menotropins",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide",
          "type": "DRUG"
        },
        {
          "name": "Transvaginal ultrasound guided needle aspiration of oocytes",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Michigan Reproductive Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "28 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 28 Years · Female only"
      },
      "enrollment_count": 38,
      "start_date": "2014-04",
      "completion_date": "2017-03-08",
      "has_results": false,
      "last_update_posted_date": "2018-03-23",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 1,
      "location_summary": "Bloomfield Hills, Michigan",
      "locations": [
        {
          "city": "Bloomfield Hills",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069808"
    },
    {
      "nct_id": "NCT06463457",
      "title": "Comeback From Long coursE Androgen Deprivation Therapy (ADT) With RElugolix and Darolutamide (CLEARED)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Advanced Prostate Cancer",
        "Hormone Sensitive Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Darolutamide",
          "type": "DRUG"
        },
        {
          "name": "Relugolix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Atish Choudhury, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2024-12-13",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "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/NCT06463457"
    },
    {
      "nct_id": "NCT03236545",
      "title": "Menopause Effects on Vascular Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "No to Low Endogenous Estrogen",
          "type": "OTHER"
        },
        {
          "name": "Estradiol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Delaware",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2016-07-01",
      "completion_date": "2022-11-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 1,
      "location_summary": "Newark, Delaware",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03236545"
    },
    {
      "nct_id": "NCT07313241",
      "title": "Phase II Trial of PSA Response-based Androgen Deprivation Therapy and Nodal Coverage for Prostate Cancer Early Salvage Radiotherapy (RANGER)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Prostate Fossa Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Pelvic nodal Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Androgen Deprivation Therapy (ADT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 68,
      "start_date": "2025-11-14",
      "completion_date": "2030-11-14",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07313241"
    },
    {
      "nct_id": "NCT01368588",
      "title": "Androgen-Deprivation Therapy and Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "three-dimensional conformal radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "intensity modulated radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Anti-androgen",
          "type": "DRUG"
        },
        {
          "name": "luteinizing hormone-releasing hormone (LHRH) agonist or antagonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 2590,
      "start_date": "2011-07",
      "completion_date": "2031-07",
      "has_results": true,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 454,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 351 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01368588"
    },
    {
      "nct_id": "NCT03016741",
      "title": "Cognitive Effects of Androgen Receptor Directed Therapies for Advanced Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Castration-Resistant Prostatic Cancer",
        "Metastatic Prostate Carcinoma",
        "Recurrent Prostate Carcinoma",
        "Stage IV Prostate Cancer",
        "Hormone-Refractory Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "GnRH agonist/antagonist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Abiraterone Acetate",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2017-03-31",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Chicago, Illinois • New Orleans, Louisiana + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016741"
    },
    {
      "nct_id": "NCT01424618",
      "title": "A Novel Approach to Endometrial Preparation in Recipients of Donor Eggs",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Implantation, Embryo"
      ],
      "interventions": [
        {
          "name": "Leuprolide",
          "type": "DRUG"
        },
        {
          "name": "Ganirelix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kelly, Maureen, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "52 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 52 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2006-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-08-29",
      "last_synced_at": "2026-10-04T14:33:24.783Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01424618"
    }
  ]
}