{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Testicular+biopsy",
    "query": {
      "intervention": "Testicular biopsy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T10:40:47.645Z",
  "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": "NCT02972801",
      "title": "Testicular Tissue Cryopreservation for Fertility Preservation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Autoimmune Disorders"
      ],
      "interventions": [
        {
          "name": "Testicular biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 1500,
      "start_date": "2010-01-06",
      "completion_date": "2030-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02972801"
    },
    {
      "nct_id": "NCT01817296",
      "title": "Klinefelter Fertility Preservation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Klinefelter Syndrome"
      ],
      "interventions": [
        {
          "name": "Testicular Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "12 Years to 25 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2013-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-15",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817296"
    },
    {
      "nct_id": "NCT02026960",
      "title": "RNA Extraction and Amplification From Biopsy Specimens in Subjects With Metastatic Renal Cell Carcinoma (AGS-NTS-017)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Renal Cell Carcinoma",
        "Genitourinary Cancer (Bladder, Prostate or Testicular)"
      ],
      "interventions": [
        {
          "name": "RNA extraction and amplification from biopsy specimens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2014-03",
      "completion_date": "2017-09-07",
      "has_results": false,
      "last_update_posted_date": "2018-12-20",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02026960"
    },
    {
      "nct_id": "NCT00005945",
      "title": "Comparison of Different Combination Chemotherapy Regimens in Treating Children With Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "daunorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "mercaptopurine",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "pegaspargase",
          "type": "DRUG"
        },
        {
          "name": "thioguanine",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "1 Year to 9 Years"
      },
      "enrollment_count": 3054,
      "start_date": "2000-06",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2016-02-23",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 116,
      "location_summary": "Phoenix, Arizona • Downey, California • Duarte, California + 92 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005945"
    },
    {
      "nct_id": "NCT06387498",
      "title": "Testicular Tissue Cryopreservation (TTC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility Issues"
      ],
      "interventions": [
        {
          "name": "Testicular tissue biopsy and cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 60,
      "start_date": "2020-09-28",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06387498"
    },
    {
      "nct_id": "NCT06841861",
      "title": "Spermatogonial Differentiation Via Testicular Organoid",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Infertility, Male",
        "Gene Abnormality",
        "Sterility, Male"
      ],
      "interventions": [
        {
          "name": "Stem cell",
          "type": "GENETIC"
        },
        {
          "name": "Genetic Screening",
          "type": "GENETIC"
        },
        {
          "name": "Genetic Reprogramming",
          "type": "GENETIC"
        },
        {
          "name": "Cell Maturation",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "CellARTs Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2024-03-28",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06841861"
    },
    {
      "nct_id": "NCT03067181",
      "title": "Active Surveillance, Bleomycin, Etoposide, Carboplatin or Cisplatin in Treating Pediatric and Adult Patients With Germ Cell Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Childhood Extracranial Germ Cell Tumor",
        "Extragonadal Embryonal Carcinoma",
        "Germ Cell Tumor",
        "Malignant Germ Cell Tumor",
        "Malignant Ovarian Teratoma",
        "Stage I Ovarian Choriocarcinoma",
        "Stage I Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage I Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Stage I Testicular Choriocarcinoma AJCC v6 and v7",
        "Stage I Testicular Embryonal Carcinoma AJCC v6 and v7",
        "Stage I Testicular Seminoma AJCC v6 and v7",
        "Stage I Testicular Yolk Sac Tumor AJCC v6 and v7",
        "Stage II Ovarian Choriocarcinoma",
        "Stage II Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage II Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Stage II Testicular Choriocarcinoma AJCC v6 and v7",
        "Stage II Testicular Embryonal Carcinoma AJCC v6 and v7",
        "Stage II Testicular Yolk Sac Tumor AJCC v6 and v7",
        "Stage III Ovarian Choriocarcinoma",
        "Stage III Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage III Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Stage III Testicular Choriocarcinoma AJCC v6 and v7",
        "Stage III Testicular Embryonal Carcinoma AJCC v6 and v7",
        "Stage III Testicular Yolk Sac Tumor AJCC v6 and v7",
        "Stage IV Ovarian Choriocarcinoma",
        "Stage IV Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage IV Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Testicular Mixed Choriocarcinoma and Embryonal Carcinoma",
        "Testicular Mixed Choriocarcinoma and Teratoma",
        "Testicular Mixed Choriocarcinoma and Yolk Sac Tumor"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bleomycin Sulfate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1780,
      "start_date": "2017-05-25",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 566,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 338 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03067181"
    },
    {
      "nct_id": "NCT04609046",
      "title": "Testing the Addition of Lenalidomide and Nivolumab to the Usual Treatment for Primary CNS Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Primary Diffuse Large B-Cell Lymphoma of the Central Nervous System"
      ],
      "interventions": [
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ultrasound Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2021-05-24",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 56,
      "location_summary": "Los Angeles, California • San Francisco, California • Coral Gables, Florida + 43 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Deerfield Beach",
          "state": "Florida"
        },
        {
          "city": "Doral",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04609046"
    },
    {
      "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": "2026-09-16T10:40:47.645Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064987"
    },
    {
      "nct_id": "NCT03959085",
      "title": "Inotuzumab Ozogamicin and Post-Induction Chemotherapy in Treating Patients With High-Risk B-ALL, Mixed Phenotype Acute Leukemia, and B-LLy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "B Acute Lymphoblastic Leukemia",
        "B Lymphoblastic Lymphoma",
        "Central Nervous System Leukemia",
        "Mixed Phenotype Acute Leukemia",
        "Testicular Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Blinatumomab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Calaspargase Pegol",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Daunorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Inotuzumab Ozogamicin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mercaptopurine",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Pegaspargase",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Prednisolone",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Thioguanine",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "365 Days",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "365 Days to 25 Years"
      },
      "enrollment_count": 5951,
      "start_date": "2019-10-31",
      "completion_date": "2032-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-16T10:40:47.645Z",
      "location_count": 203,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 155 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03959085"
    }
  ]
}