{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Testosterone&page=16",
    "query": {
      "condition": "Testosterone",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 399,
    "total_pages": 40,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Testosterone&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Testosterone&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-13T07:02:10.557Z",
  "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": "NCT00425568",
      "title": "Transdermal Testosterone Gel/Effect on Erection Quality as Measured by DIR",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "AndroGel (Transdermal Testosterone Gel)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lamm, Steven, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "59 Years",
        "sex": "MALE",
        "summary": "21 Years to 59 Years · Male only"
      },
      "enrollment_count": 30,
      "start_date": "2005-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-08-08",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00425568"
    },
    {
      "nct_id": "NCT05484167",
      "title": "Natesto Testosterone Nasal Gel for Hypogonadal Men",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Erectile Dysfunction",
        "Sexual Dysfunction"
      ],
      "interventions": [
        {
          "name": "Natesto Nasal Product",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "MALE",
        "summary": "18 Years to 64 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2023-01-01",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-21",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05484167"
    },
    {
      "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": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "Des Plaines, Illinois",
      "locations": [
        {
          "city": "Des Plaines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05722301"
    },
    {
      "nct_id": "NCT01909505",
      "title": "Comparison of Salivary and Serum Free Testosterone in Normal and Hypogonadal Men",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Known Androgen Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Saliva Biomarkers, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "20 Years to 65 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2013-06",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2013-07-26",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01909505"
    },
    {
      "nct_id": "NCT00483418",
      "title": "Survey of Testosterone Levels in Male Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Beth Israel Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 425,
      "start_date": "2007-06",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2011-03-11",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00483418"
    },
    {
      "nct_id": "NCT03518034",
      "title": "A Study to Evaluate the Effect of Testosterone Replacement Therapy (TRT) on the Incidence of Major Adverse Cardiovascular Events (MACE) and Efficacy Measures in Hypogonadal Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypogonadism",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "AndroGel®",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "45 Years to 80 Years · Male only"
      },
      "enrollment_count": 5246,
      "start_date": "2018-05-03",
      "completion_date": "2023-01-19",
      "has_results": true,
      "last_update_posted_date": "2024-03-13",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 379,
      "location_summary": "Alabaster, Alabama • Birmingham, Alabama • Decatur, Alabama + 262 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Decatur",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03518034"
    },
    {
      "nct_id": "NCT01401543",
      "title": "A Bioavailability Study of LY2452473 and Tadalafil",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "LY2452473",
          "type": "DRUG"
        },
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "LY900010",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2011-07",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01401543"
    },
    {
      "nct_id": "NCT00512707",
      "title": "Effect of Testosterone in Men With Erectile Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Erectile Dysfunction",
        "Testosterone Deficiency",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Sildenafil citrate (open label)",
          "type": "DRUG"
        },
        {
          "name": "Testosterone gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo gel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "40 Years to 70 Years · Male only"
      },
      "enrollment_count": 140,
      "start_date": "2006-11",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2017-06-29",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00512707"
    },
    {
      "nct_id": "NCT00487734",
      "title": "Effect of Testosterone Replacement on Insulin Resistance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone gel",
          "type": "RADIATION"
        },
        {
          "name": "Placebo for testosterone gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "McGuire Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "20 Years to 65 Years · Male only"
      },
      "enrollment_count": 19,
      "start_date": "2007-08",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2012-10-23",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00487734"
    },
    {
      "nct_id": "NCT03063125",
      "title": "Perioperative Hypogonadism in Men Undergoing Radical Cystoprostatectomy for Bladder Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Cancer",
        "Low Testosterone Levels"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Kansas 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": 25,
      "start_date": "2017-03-31",
      "completion_date": "2018-04-20",
      "has_results": true,
      "last_update_posted_date": "2021-08-03",
      "last_synced_at": "2026-11-13T07:02:10.557Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03063125"
    }
  ]
}