{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testosterone+Solution",
    "query": {
      "intervention": "Testosterone Solution"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testosterone+Solution&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T03:12:39.701Z",
  "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": "NCT03554317",
      "title": "COMbination of Bipolar Androgen Therapy and Nivolumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration-resistant Prostate Cancer",
        "Metastatic Prostate Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Testosterone cypionate",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "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": 45,
      "start_date": "2018-09-05",
      "completion_date": "2023-01-06",
      "has_results": true,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03554317"
    },
    {
      "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": "2026-09-06T03:12:39.701Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02381288"
    },
    {
      "nct_id": "NCT00857454",
      "title": "A Trial to Evaluate the Ongoing Skin Safety of Testosterone MD-Lotion Formulations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone MD-Lotion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and 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": 71,
      "start_date": "2008-10",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2011-01-05",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Tuscon, Arizona • Burbank, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "New Britain",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00857454"
    },
    {
      "nct_id": "NCT02004132",
      "title": "A Study of Axiron® in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Axiron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2013-12",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2014-08-19",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02004132"
    },
    {
      "nct_id": "NCT03325647",
      "title": "TESTO: Testosterone Effects on Short-Term Outcomes in Infants With XXY",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Klinefelter Syndrome"
      ],
      "interventions": [
        {
          "name": "Testosterone Cypionate 200 Milligram/Milliliter Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo injectable saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "31 Days",
        "maximum_age": "90 Days",
        "sex": "MALE",
        "summary": "31 Days to 90 Days · Male only"
      },
      "enrollment_count": 72,
      "start_date": "2017-11-06",
      "completion_date": "2021-05-05",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03325647"
    },
    {
      "nct_id": "NCT03142893",
      "title": "Hormonal Mechanisms of Sleep Restriction - Axis Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sleep Restriction"
      ],
      "interventions": [
        {
          "name": "Ketoconazole Pill",
          "type": "DRUG"
        },
        {
          "name": "Ganirelix",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone Injection",
          "type": "DRUG"
        },
        {
          "name": "Cosyntropin Injectable Product",
          "type": "DRUG"
        },
        {
          "name": "Recombinant Human Luteinizing Hormone",
          "type": "DRUG"
        },
        {
          "name": "Hydrocortisone Injection",
          "type": "DRUG"
        },
        {
          "name": "Gonadorelin",
          "type": "DRUG"
        },
        {
          "name": "Corticorelin",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Saline Solution",
          "type": "DRUG"
        },
        {
          "name": "Saline Solution for Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Peter y. Liu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "22 Years to 45 Years · Male only"
      },
      "enrollment_count": 80,
      "start_date": "2017-05-08",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03142893"
    },
    {
      "nct_id": "NCT05116293",
      "title": "Effect of Testosterone Treatment on Drug Metabolism and Transport",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transgender Persons"
      ],
      "interventions": [
        {
          "name": "Midazolam oral solution",
          "type": "DRUG"
        },
        {
          "name": "Digoxin Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-05-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05116293"
    },
    {
      "nct_id": "NCT00702650",
      "title": "A Titration Trial to Determine the Effectiveness of Testosterone MD-Lotion (Cutaneous Solution) Formulations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone MD-Lotion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and 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": 155,
      "start_date": "2008-06",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2011-07-25",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Tuscon, Arizona • Burbank, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00702650"
    },
    {
      "nct_id": "NCT07092527",
      "title": "Androgen Effects on the Reproductive Neuroendocrine Axis, 2025 Version",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Transgenderism",
        "Reproductive Issues"
      ],
      "interventions": [
        {
          "name": "Testosterone Cypionate 50 milligrams per millileter (mg/mL) Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2025-12-05",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07092527"
    },
    {
      "nct_id": "NCT01419236",
      "title": "A Study of Ejaculatory Dysfunction in Men With Low Testosterone Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ejaculatory Dysfunction",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone Solution 2%",
          "type": "DRUG"
        },
        {
          "name": "Placebo Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "26 Years and older · Male only"
      },
      "enrollment_count": 76,
      "start_date": "2011-08",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2014-12-19",
      "last_synced_at": "2026-09-06T03:12:39.701Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • San Diego, California • New Orleans, Louisiana + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Brookline",
          "state": "Massachusetts"
        },
        {
          "city": "Great Neck",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01419236"
    }
  ]
}