{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Testosterone+Therapy",
    "query": {
      "intervention": "No Testosterone Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Testosterone+Therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T00:49:52.042Z",
  "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": "NCT05722301",
      "title": "Does Testosterone Therapy Improve Patient-Reported Outcomes in Age-Related Testosterone Deficient Patients Undergoing Total Hip Replacement: A Randomized-Controlled Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Hip"
      ],
      "interventions": [
        {
          "name": "Testosterone Therapy",
          "type": "DRUG"
        },
        {
          "name": "No Testosterone Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "American Hip Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2019-11-01",
      "completion_date": "2021-11-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "Des Plaines, Illinois",
      "locations": [
        {
          "city": "Des Plaines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05722301"
    },
    {
      "nct_id": "NCT04515472",
      "title": "Effect of Gender Affirming Hormone Therapy on Glucose Metabolism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Transgender Persons"
      ],
      "interventions": [
        {
          "name": "Botnia Clamp",
          "type": "DRUG"
        },
        {
          "name": "Withdrawal of Gender Affirming Hormone Therapy (GAHT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2020-06-17",
      "completion_date": "2025-03-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04515472"
    },
    {
      "nct_id": "NCT02548117",
      "title": "H-36731: Finasteride in Management of Elevated Red Blood Cells",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ERYTHROCYTOSIS"
      ],
      "interventions": [
        {
          "name": "Finasteride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "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": 0,
      "start_date": "2016-02",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02548117"
    },
    {
      "nct_id": "NCT00842751",
      "title": "Oral T7 Oral Testosterone in Man",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Males",
        "Male Contraceptive"
      ],
      "interventions": [
        {
          "name": "First Intervention (7 days)",
          "type": "DRUG"
        },
        {
          "name": "First Washout (7 days)",
          "type": "OTHER"
        },
        {
          "name": "Second Intervention (7 days)",
          "type": "DRUG"
        },
        {
          "name": "Third Intervention (7 days)",
          "type": "DRUG"
        },
        {
          "name": "Second wash-out period",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 11,
      "start_date": "2009-07",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2014-01-13",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00842751"
    },
    {
      "nct_id": "NCT01717768",
      "title": "Oral Testosterone for the Treatment of Hypogonadism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "TSX-002",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TesoRx Pharma, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 130,
      "start_date": "2012-10",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2015-12-15",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01717768"
    },
    {
      "nct_id": "NCT06101303",
      "title": "Endometriosis Pain",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pelvic Pain",
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "Psychophysical assessment",
          "type": "OTHER"
        },
        {
          "name": "Psychophysical assessments of experimental pain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood, urine and saliva samples",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biopsy and surgery-related data.",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 45 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2023-09-29",
      "completion_date": "2029-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06101303"
    },
    {
      "nct_id": "NCT01813370",
      "title": "A Registry for Patients Treated on the Clinical Trial TAX 3503",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer 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": 52,
      "start_date": "2013-03",
      "completion_date": "2022-03-04",
      "has_results": false,
      "last_update_posted_date": "2022-03-08",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 5,
      "location_summary": "Baltimore, Maryland • New York, New York • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Lancaster",
          "state": "Pennsylvania"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01813370"
    },
    {
      "nct_id": "NCT01940718",
      "title": "Androgen Regulation of Priapism in Sickle Cell Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Priapism",
        "Sickle Cell Disease",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Transdermal Androgel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2014-03",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-19",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01940718"
    },
    {
      "nct_id": "NCT00928434",
      "title": "A Study of Degarelix in Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Degarelix",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ferring Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 409,
      "start_date": "2009-05",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2016-12-13",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 59,
      "location_summary": "Alexander City, Alabama • Homewood, Alabama • Anaheim, California + 54 more",
      "locations": [
        {
          "city": "Alexander City",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Atherton",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00928434"
    },
    {
      "nct_id": "NCT00002924",
      "title": "Gene Mutations in Patients With Advanced Prostate Cancer That Is Not Responsive to Hormone Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "mutation analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 184,
      "start_date": "1997-01",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-14",
      "last_synced_at": "2026-09-13T00:49:52.042Z",
      "location_count": 49,
      "location_summary": "Birmingham, Alabama • La Jolla, California • San Francisco, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002924"
    }
  ]
}