{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Low+Testosterone",
    "query": {
      "condition": "Low Testosterone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Low+Testosterone&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T13:34:25.005Z",
  "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": "NCT01993225",
      "title": "A Randomized, Double Blind, Placebo-Controlled, Multi-Center Phase III Study in Men With Acquired Hypogonadotropic Hypogonadism to Compare Changes in Testosterone and Sperm Concentration Following Treatment With 12.5 mg or 25 mg Androxal or AndroGel 1.62%",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Androxal 12.5 mg/25 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Capsules",
          "type": "DRUG"
        },
        {
          "name": "AndroGel 1.62%",
          "type": "DRUG"
        },
        {
          "name": "Placebo Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Repros Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2014-01",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-10-01",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Evanston, Illinois + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Garden City",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993225"
    },
    {
      "nct_id": "NCT00832065",
      "title": "Sexual Dysfunction And Hypotestosteronemia In Patients With Obstructive Sleep Apnea Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Apnea, Obstructive",
        "Sleep Apnea",
        "Hypotestosteronism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2009-01",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2017-08-24",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 2,
      "location_summary": "Burlington, Massachusetts • Peabody, Massachusetts",
      "locations": [
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Peabody",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00832065"
    },
    {
      "nct_id": "NCT02381288",
      "title": "Effects of TAK-448 in Middle-aged and Older Men With Low Testosterone",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low Testosterone"
      ],
      "interventions": [
        {
          "name": "TAK-448",
          "type": "DRUG"
        },
        {
          "name": "TAK-448 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "60 Years and older · Male only"
      },
      "enrollment_count": 17,
      "start_date": "2015-09-10",
      "completion_date": "2016-04-08",
      "has_results": true,
      "last_update_posted_date": "2017-05-17",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02381288"
    },
    {
      "nct_id": "NCT00331214",
      "title": "Study of Transdermal Testosterone Patches in Surgically Menopausal Women With Low Libido",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypoactive Sexual Desire Disorder"
      ],
      "interventions": [
        {
          "name": "Testosterone Transdermal System",
          "type": "DRUG"
        },
        {
          "name": "placebo patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 70 Years · Female only"
      },
      "enrollment_count": 533,
      "start_date": "2002-06",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-17",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00331214"
    },
    {
      "nct_id": "NCT00254371",
      "title": "DHEA and Testosterone Replacement in Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging",
        "Low DHEA for Women",
        "Low Testosterone and DHEA for Men"
      ],
      "interventions": [
        {
          "name": "Androgen Replacement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "1998-07",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2011-05-23",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00254371"
    },
    {
      "nct_id": "NCT06733350",
      "title": "Testosterone Replacement Therapy for the Treatment of Low Testosterone in Hypogonadal Men With Localized Prostate Cancer on Active Surveillance",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Localized Prostate Carcinoma",
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy of Prostate",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Therapeutic Testosterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 600,
      "start_date": "2025-01-15",
      "completion_date": "2029-01-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06733350"
    },
    {
      "nct_id": "NCT00797433",
      "title": "Outcomes of Mechanically Ventilated Patients With Low Serum Testosterone",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Respiratory Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "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": 28,
      "start_date": "2008-12",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2010-09-21",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797433"
    },
    {
      "nct_id": "NCT02758431",
      "title": "Cardiovascular Outcomes of Low Testosterone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Acyline",
          "type": "DRUG"
        },
        {
          "name": "Placebo Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablet",
          "type": "DRUG"
        },
        {
          "name": "Testosterone Gel",
          "type": "DRUG"
        },
        {
          "name": "Arimidex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 232,
      "start_date": "2016-07-01",
      "completion_date": "2023-01-04",
      "has_results": false,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758431"
    },
    {
      "nct_id": "NCT00365794",
      "title": "Effects of Testosterone Gel on Carbohydrate and Lipid Metabolism In Elderly Obese Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Aging",
        "Obesity",
        "Insulin Resistance",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Topical testosterone gel 10 g/day",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "60 Years to 90 Years · Male only"
      },
      "enrollment_count": 22,
      "start_date": "2006-08",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2019-08-26",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00365794"
    },
    {
      "nct_id": "NCT04731376",
      "title": "Perioperative Testosterone Replacement Therapy for the Improvement of Post-Operative Outcomes in Patients With Low Testosterone",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypogonadism",
        "Malignant Urinary System Neoplasm",
        "Urinary System Disorder",
        "Urinary System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Testosterone Cypionate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Emory 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": 56,
      "start_date": "2021-01-25",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-06-11T13:34:25.005Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04731376"
    }
  ]
}