{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+PSA+and+Testosterone",
    "query": {
      "intervention": "Serum PSA and Testosterone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T19:09:05.306Z",
  "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": "NCT01615120",
      "title": "Study of the Effect of GTx-758 on Serum PSA and Testosterone in Men With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "GTx-758 125 mg",
          "type": "DRUG"
        },
        {
          "name": "GTx-758 250 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GTx",
      "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": 77,
      "start_date": "2012-08-14",
      "completion_date": "2016-11-09",
      "has_results": true,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 26,
      "location_summary": "Burbank, California • Los Angeles, California • San Bernardino, California + 21 more",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Bernardino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615120"
    },
    {
      "nct_id": "NCT00220194",
      "title": "A Six-Month, Open-Label, Crossover Study Of the Maintenance Of Serum Testosterone And PSA Suppression After Switching Between Lupron 22.5 Mg And Eligard 22.5 Mg Or Zoladex 10.8 Mg And Eligard 22.5 Mg In Patients With Advanced Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cancer of Prostate"
      ],
      "interventions": [
        {
          "name": "leuprolide acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "San Bernardino Urological Associates Medical Group Inc",
      "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": 100,
      "start_date": "2003-04",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2016-10-14",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 1,
      "location_summary": "San Bernardino, California",
      "locations": [
        {
          "city": "San Bernardino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00220194"
    },
    {
      "nct_id": "NCT05010707",
      "title": "Transgender Estradiol Affirming Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Transgenderism"
      ],
      "interventions": [
        {
          "name": "Transdermal patch",
          "type": "DRUG"
        },
        {
          "name": "Pro-thrombotic markers",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Metabolic markers",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hormone Profile",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Daily Sublingual Tablet",
          "type": "DRUG"
        },
        {
          "name": "BID Sublingual Tablet",
          "type": "DRUG"
        },
        {
          "name": "Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 39,
      "start_date": "2021-08-02",
      "completion_date": "2024-01-01",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05010707"
    },
    {
      "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": "2026-09-23T19:09:05.306Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07069465"
    },
    {
      "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": "2026-09-23T19:09:05.306Z",
      "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": "NCT00752869",
      "title": "Efficacy Study for Use of Dutasteride (Avodart) With Testosterone Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "dutasteride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "MALE",
        "summary": "40 Years to 85 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2008-09",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2013-02-26",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Providence, Rhode Island",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752869"
    },
    {
      "nct_id": "NCT00562341",
      "title": "Effect of Lap-Band Induced Weight Loss on Serum PSA Levels",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Bariatric Surgery",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Maimonides Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "20 Years to 60 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2007-11",
      "completion_date": "2009-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-08-23",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00562341"
    },
    {
      "nct_id": "NCT01420861",
      "title": "GTx-758 on Serum Prostate-specific Antigen (PSA) in Men With Castrate Resistant Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "GTx-758",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GTx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "18 Years to 80 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2011-09",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 7,
      "location_summary": "San Bernardino, California • Jeffersonville, Indiana • Albuquerque, New Mexico + 4 more",
      "locations": [
        {
          "city": "San Bernardino",
          "state": "California"
        },
        {
          "city": "Jeffersonville",
          "state": "Indiana"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Bala-Cynwyd",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01420861"
    },
    {
      "nct_id": "NCT01415960",
      "title": "Efficacy and Safety of Leuprolide Acetate 22.5 mg Depot in Treatment of Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Leuprolide acetate 22.5 mg depot, GP-Pharm SA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GP-Pharm",
      "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": 163,
      "start_date": "2011-09",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-03",
      "last_synced_at": "2026-09-23T19:09:05.306Z",
      "location_count": 25,
      "location_summary": "San Diego, California • Daytona Beach, Florida • Ocala, Florida + 22 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01415960"
    }
  ]
}