{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testosterone+Cypionate",
    "query": {
      "intervention": "Testosterone Cypionate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testosterone+Cypionate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T23:31:25.007Z",
  "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": "NCT04460872",
      "title": "Locomotor Training With Testosterone to Promote Bone and Muscle Health After Spinal Cord Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Spinal Cord Injuries",
        "Trauma, Nervous System",
        "Wounds and Injury",
        "Central Nervous System Diseases",
        "Spinal Cord Diseases",
        "Gonadal Disorders",
        "Endocrine System Diseases",
        "Hypogonadism",
        "Genital Diseases, Male",
        "Spinal Cord Trauma",
        "Injuries, Spinal Cord",
        "Walking, Difficulty",
        "Gait Disorders, Neurologic",
        "Locomotion Disorder, Neurologic",
        "Wounds and Injuries",
        "Nervous System Diseases",
        "Testosterone Deficiency",
        "Androgen Deficiency",
        "Hormone Deficiency"
      ],
      "interventions": [
        {
          "name": "Testosterone Enanthate",
          "type": "DRUG"
        },
        {
          "name": "Locomotor Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "North Florida Foundation for Research and Education",
      "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": 21,
      "start_date": "2021-01-31",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04460872"
    },
    {
      "nct_id": "NCT01378299",
      "title": "CYP19A1 (Cytochrome P450 Family 19 Subfamily A Member 1) Gene and Pharmacogenetics of Response to Testosterone Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone Cypionate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "40 Years to 75 Years · Male only"
      },
      "enrollment_count": 105,
      "start_date": "2011-10-01",
      "completion_date": "2017-11-07",
      "has_results": true,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 2,
      "location_summary": "Albuquerque, New Mexico • Houston, Texas",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01378299"
    },
    {
      "nct_id": "NCT01750398",
      "title": "Bipolar Androgen-based Therapy for Prostate Cancer (BAT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Testosterone cypionate",
          "type": "DRUG"
        },
        {
          "name": "Goserelin",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide",
          "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": 33,
      "start_date": "2013-01",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2016-12-05",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01750398"
    },
    {
      "nct_id": "NCT02248701",
      "title": "Testosterone Plus Finasteride Treatment After Spinal Cord Injury",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Spinal Cord Injuries",
        "Trauma, Nervous System",
        "Wounds and Injuries",
        "Central Nervous System Diseases",
        "Nervous System Diseases",
        "Spinal Cord Diseases",
        "Gonadal Disorders",
        "Endocrine System Diseases",
        "Hypogonadism",
        "Genital Diseases, Male"
      ],
      "interventions": [
        {
          "name": "Testosterone Enanthate",
          "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": 33,
      "start_date": "2017-04-27",
      "completion_date": "2021-08-13",
      "has_results": true,
      "last_update_posted_date": "2023-09-29",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02248701"
    },
    {
      "nct_id": "NCT03091348",
      "title": "Subcutaneous vs. Intramuscular Testosterone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Testosterone Deficiency",
        "Hypogonadism, Male"
      ],
      "interventions": [
        {
          "name": "Testosterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Men's Health Boston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "18 Years to 90 Years · Male only"
      },
      "enrollment_count": 4,
      "start_date": "2017-08-29",
      "completion_date": "2018-01-02",
      "has_results": true,
      "last_update_posted_date": "2019-10-08",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 1,
      "location_summary": "Chestnut Hill, Massachusetts",
      "locations": [
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03091348"
    },
    {
      "nct_id": "NCT04439799",
      "title": "A Comparison of Side Effects in Hypogonadal Men Treated With Natesto Versus Testosterone Injections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypogonadism, Male"
      ],
      "interventions": [
        {
          "name": "Testosterone Cypionate 200 Mg/ML",
          "type": "DRUG"
        },
        {
          "name": "Intranasal Testosterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 81,
      "start_date": "2020-08-07",
      "completion_date": "2023-02-09",
      "has_results": true,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04439799"
    },
    {
      "nct_id": "NCT01717768",
      "title": "Oral Testosterone for the Treatment of Hypogonadism",
      "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": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 130,
      "start_date": "2012-10",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2015-12-15",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01717768"
    },
    {
      "nct_id": "NCT02286921",
      "title": "Testosterone Revival Abolishes Negative Symptoms, Fosters Objective Response and Modulates Enzalutamide Resistance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration Resistant Metastatic Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Testosterone cypionate",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Testosterone Enanthate",
          "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": "80 Years",
        "sex": "MALE",
        "summary": "18 Years to 80 Years · Male only"
      },
      "enrollment_count": 222,
      "start_date": "2015-01",
      "completion_date": "2020-02-21",
      "has_results": true,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Duarte, California • Aurora, Colorado + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02286921"
    },
    {
      "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": "2026-09-03T23:31:25.007Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04551144"
    },
    {
      "nct_id": "NCT07476001",
      "title": "Phase 2a Study of High-Dose Testosterone Followed by Radioligand Therapy in mCRPC",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Castration-resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Testosterone cypionate (Tc)",
          "type": "DRUG"
        },
        {
          "name": "ADT with Luteinizing hormone-releasing hormone (LHRH) analog",
          "type": "DRUG"
        },
        {
          "name": "PSMA-617",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research 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": 12,
      "start_date": "2026-03-03",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-09-03T23:31:25.007Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07476001"
    }
  ]
}