{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testosterone+undecanoate",
    "query": {
      "intervention": "Testosterone undecanoate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 34,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testosterone+undecanoate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T06:03:59.635Z",
  "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": "NCT03576001",
      "title": "Multimodality Intervention for Function and Metabolism in SCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Testosterone Undecanoate",
          "type": "DRUG"
        },
        {
          "name": "hybrid exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 84,
      "start_date": "2019-08-23",
      "completion_date": "2025-03-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576001"
    },
    {
      "nct_id": "NCT02697188",
      "title": "Pilot Pharmacokinetic Study of Oral Testosterone Ester Formulations in Hypogonadal Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone undecanoate",
          "type": "DRUG"
        },
        {
          "name": "Testosterone enanthate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clarus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2007-11",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2018-11-01",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • San Antonio, Texas",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02697188"
    },
    {
      "nct_id": "NCT06393634",
      "title": "Comparing Direct and Indirect Detection Methods of Multiple Routes of Testosterone Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Testosterone injection",
          "type": "DRUG"
        },
        {
          "name": "Testosterone gel",
          "type": "DRUG"
        },
        {
          "name": "Testosterone Oral",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sports Medicine Research and Testing Laboratory",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2024-11-27",
      "completion_date": "2024-11-27",
      "has_results": false,
      "last_update_posted_date": "2024-12-03",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 1,
      "location_summary": "South Jordan, Utah",
      "locations": [
        {
          "city": "South Jordan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06393634"
    },
    {
      "nct_id": "NCT00911586",
      "title": "Pharmacokinetic Study to Determine Time to Steady-state",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Male Hypogonadism",
        "Primary Hypogonadism",
        "Secondary Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone undecanoate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clarus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2009-07",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2020-12-11",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00911586"
    },
    {
      "nct_id": "NCT02222558",
      "title": "Oral Testosterone for the Treatment of Hypogonadism in Males",
      "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": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 25,
      "start_date": "2014-09",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2016-05-30",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02222558"
    },
    {
      "nct_id": "NCT04983940",
      "title": "Patient Satisfaction After Switching to Oral Testosterone Undecanoate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Testosterone Deficiency"
      ],
      "interventions": [
        {
          "name": "Jatenzo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 41,
      "start_date": "2021-06-18",
      "completion_date": "2023-04-06",
      "has_results": true,
      "last_update_posted_date": "2023-12-14",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04983940"
    },
    {
      "nct_id": "NCT01765179",
      "title": "Safety and Efficacy Trial of Testosterone Undecanoate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Male Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Oral testosterone undecanoate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clarus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 144,
      "start_date": "2013-01",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01765179"
    },
    {
      "nct_id": "NCT07742553",
      "title": "Testosterone Therapy With or Without Finasteride After Spinal Cord Injury: TRT-SCI Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Spinal Cord Injuries",
        "Injuries, Spinal Cord",
        "Spinal Cord Contusion",
        "Spinal Cord Trauma",
        "Trauma, Nervous System",
        "Wounds and Injuries",
        "Spinal Cord Compression",
        "Nervous System Diseases",
        "Spinal Cord Diseases",
        "Gonadal Disorders",
        "Endocrine System Diseases",
        "Hypogonadism",
        "Genital Diseases, Male"
      ],
      "interventions": [
        {
          "name": "testosterone cypionate",
          "type": "DRUG"
        },
        {
          "name": "finasteride",
          "type": "DRUG"
        },
        {
          "name": "placebo injection",
          "type": "DRUG"
        },
        {
          "name": "placebo pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2027-10-01",
      "completion_date": "2032-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Gainesville, Florida • Tampa, Florida + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07742553"
    },
    {
      "nct_id": "NCT00924612",
      "title": "Study to Determine the Effect of Food on the Absorption of an Oral Testosterone Undecanoate Formulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Male Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Oral testosterone undecanoate (containing 300 mg T)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clarus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 16,
      "start_date": "2009-07",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2020-12-02",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00924612"
    },
    {
      "nct_id": "NCT04456296",
      "title": "A Study of the Effect of Testosterone Replacement Therapy on Blood Pressure in Adult Male Participants With Hypogonadism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypogonadism",
        "Hypogonadism, Male",
        "Hypogonadotropic Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Aveed Injectable Product",
          "type": "DRUG"
        },
        {
          "name": "Fortesta",
          "type": "DRUG"
        },
        {
          "name": "Testim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endo USA Inc., a Keenova Therapeutics Company",
      "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": 673,
      "start_date": "2020-06-30",
      "completion_date": "2023-07-12",
      "has_results": true,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-09-02T06:03:59.635Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • North Little Rock, Arkansas + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04456296"
    }
  ]
}