{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=testosterone&page=8",
    "query": {
      "intervention": "testosterone",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 517,
    "total_pages": 52,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=testosterone&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=testosterone&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T19:09:29.429Z",
  "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": "NCT04760691",
      "title": "Pre-Exposure Prophylaxis (PrEP)- Gender Affirming Hormone Therapy (GAHT) Interactions in TGW",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV",
        "Prophylaxis",
        "Transgender"
      ],
      "interventions": [
        {
          "name": "Truvada alone",
          "type": "DRUG"
        },
        {
          "name": "Truvada plus Leuprolide 11.25mg intramuscular injection",
          "type": "DRUG"
        },
        {
          "name": "Truvada plus Estradiol 1 mg",
          "type": "DRUG"
        },
        {
          "name": "Truvada plus Estradiol 6 mg",
          "type": "DRUG"
        },
        {
          "name": "Estradiol 6 mg alone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 13,
      "start_date": "2021-03-01",
      "completion_date": "2025-03-24",
      "has_results": true,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04760691"
    },
    {
      "nct_id": "NCT04551144",
      "title": "Effect of Transgender Therapy on Muscle, Fat and Tissue Receptors",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gender Incongruence",
        "Transgenderism"
      ],
      "interventions": [
        {
          "name": "testosterone cypionate",
          "type": "DRUG"
        },
        {
          "name": "Estradiol Valerate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 4,
      "start_date": "2020-10-06",
      "completion_date": "2023-01-18",
      "has_results": false,
      "last_update_posted_date": "2024-01-08",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04551144"
    },
    {
      "nct_id": "NCT03198728",
      "title": "Efficacy and Safety of Oral Testosterone Undecanoate in Hypogonadal Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypogonadism, Male"
      ],
      "interventions": [
        {
          "name": "SOV2012-F1",
          "type": "DRUG"
        },
        {
          "name": "AndroGel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marius Pharmaceuticals",
      "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": 314,
      "start_date": "2017-07-05",
      "completion_date": "2020-05-01",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03198728"
    },
    {
      "nct_id": "NCT05765500",
      "title": "RecoverPC: Relugolix vs GnRH Agonist in Quality of Life",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Relugolix",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber 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": 110,
      "start_date": "2024-02-12",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Foxborough, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Foxborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05765500"
    },
    {
      "nct_id": "NCT07069465",
      "title": "Pilot Study: Androgen Deprivation Therapy Impact on PSMA-PET Sensitivity in Prostatectomy Staging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "flotufolastat F 18",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Relugolix 120 MG",
          "type": "DRUG"
        },
        {
          "name": "Serum PSA and Testosterone",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Urology Clinics of North Texas",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 10,
      "start_date": "2024-06-15",
      "completion_date": "2024-11-06",
      "has_results": false,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07069465"
    },
    {
      "nct_id": "NCT02013544",
      "title": "Intravaginal Prasterone (DHEA) Against Vulvovaginal Atrophy Associated With Menopause",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vaginal Atrophy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Prasterone (DHEA)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EndoCeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 80 Years · Female only"
      },
      "enrollment_count": 558,
      "start_date": "2014-02",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2017-06-01",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 24,
      "location_summary": "Montgomery, Alabama • Tucson, Arizona • Sacramento, California + 19 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02013544"
    },
    {
      "nct_id": "NCT04534881",
      "title": "Effect of Progesterone on Testosterone Concentrations and Breast Development in Transwomen",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Transgender Persons"
      ],
      "interventions": [
        {
          "name": "Progesterone 200 MG",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Louis University",
      "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": 5,
      "start_date": "2020-10-20",
      "completion_date": "2023-01-18",
      "has_results": true,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04534881"
    },
    {
      "nct_id": "NCT04301765",
      "title": "Improving Cancer-related Fatigue, Sexual Dysfunction and Quality of Life in Older Men With Cancer and Androgen Deficiency",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypogonadism, Male",
        "Cancer",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "testosterone 1.62% gel",
          "type": "DRUG"
        },
        {
          "name": "placebo gel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "55 Years and older · Male only"
      },
      "enrollment_count": 230,
      "start_date": "2021-01-12",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 3,
      "location_summary": "Augusta, Georgia • Boston, Massachusetts • Seattle, Washington",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301765"
    },
    {
      "nct_id": "NCT01386606",
      "title": "The Effect on Androxal Versus Androgel on Morning Testosterone in Men With Secondary Hypogonadism (Low Testosterone)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Secondary Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Androxal (enclomiphene citrate)",
          "type": "DRUG"
        },
        {
          "name": "Testosterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Repros 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": 60,
      "start_date": "2011-06",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2015-09-23",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 2,
      "location_summary": "Houston, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01386606"
    },
    {
      "nct_id": "NCT00064987",
      "title": "Follicle Stimulating Hormone (FSH) to Improve Testicular Development in Men With Hypogonadism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypogonadism",
        "Kallmann Syndrome"
      ],
      "interventions": [
        {
          "name": "Testicular biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "gonadotropin releasing hormone (GnRH)",
          "type": "DRUG"
        },
        {
          "name": "follicle stimulating hormone (FSH)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 19,
      "start_date": "2001-04",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2017-07-07",
      "last_synced_at": "2026-10-18T19:09:29.429Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064987"
    }
  ]
}