{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+biopsy&page=5",
    "query": {
      "intervention": "Tumor biopsy",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 1984,
    "total_pages": 199,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+biopsy&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+biopsy&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T02:43:23.127Z",
  "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": "NCT04751383",
      "title": "Testing the Combination of Two Immunotherapy Drugs (Magrolimab and Dinutuximab) in Patients With Relapsed or Refractory Neuroblastoma or Relapsed Osteosarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "High Risk Neuroblastoma",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma",
        "Refractory Neuroblastoma",
        "Resectable Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dinutuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Magrolimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "2 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-08-31",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04751383"
    },
    {
      "nct_id": "NCT05424783",
      "title": "MRI And GPS Informing Choices for Prostate Cancer Treatment (MAGIC)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Genomic Prostate Score assay and Multi-parametric magnetic resonance imaging study of the prostate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "76 Years",
        "sex": "MALE",
        "summary": "40 Years to 76 Years · Male only"
      },
      "enrollment_count": 222,
      "start_date": "2022-10-15",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05424783"
    },
    {
      "nct_id": "NCT02642094",
      "title": "Aging Mammary Stem Cells and Breast Cancer Prevention",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer of Breast"
      ],
      "interventions": [
        {
          "name": "Rapamycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LuZhe Sun",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 58,
      "start_date": "2016-07",
      "completion_date": "2022-05-01",
      "has_results": true,
      "last_update_posted_date": "2023-12-05",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02642094"
    },
    {
      "nct_id": "NCT03213951",
      "title": "Ex-vivo Investigation of Beta Probe for Prostate Cancer Resection and Evaluation of PSMA-PET for Diagnosis of Intraprostatic Lesions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Experimental beta probe",
          "type": "OTHER"
        },
        {
          "name": "PSMA-PET",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2017-08-18",
      "completion_date": "2019-11-13",
      "has_results": false,
      "last_update_posted_date": "2023-03-28",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03213951"
    },
    {
      "nct_id": "NCT00721903",
      "title": "Three Dimensional (3D) Ultrasound in Predicting Response to Breast Cancer Therapies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancers"
      ],
      "interventions": [
        {
          "name": "Ultrasound Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Mammography and Ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "25 Years and older · Female only"
      },
      "enrollment_count": 88,
      "start_date": "2000-03",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2016-05-05",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00721903"
    },
    {
      "nct_id": "NCT04571840",
      "title": "Prostate Imaging Using MRI +/- Contrast Enhancement",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Multiparametric MRI +/- prostate biopsy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biparametric MRI +/- prostate biopsy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University College, London",
      "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": 500,
      "start_date": "2022-03-22",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-23",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 4,
      "location_summary": "Rochester, Minnesota • New York, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04571840"
    },
    {
      "nct_id": "NCT04906382",
      "title": "Tislelizumab for the Treatment of Recurrent Mismatch Repair Deficient Endometrial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Lynch Syndrome",
        "Recurrent Endometrial Carcinoma",
        "Recurrent Endometrial Clear Cell Adenocarcinoma",
        "Recurrent Uterine Corpus Carcinosarcoma",
        "Mismatch Repair Deficiency",
        "Recurrent Endometrial Cancer",
        "Metastatic Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Tislelizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Floor Backes, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2021-07-01",
      "completion_date": "2022-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04906382"
    },
    {
      "nct_id": "NCT01573780",
      "title": "Gemcitabine Hydrochloride and Smac Mimetic TL32711 in Treating Patients With Advanced Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Smac mimetic TL32711",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2012-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2022-08-15",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01573780"
    },
    {
      "nct_id": "NCT06816979",
      "title": "Lumbar Punctures for the Detection of ctDNA in the Cerebrospinal Fluid of Patients With Stage III and IV Non-Small Cell Lung Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Stage III Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2026-09-15",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06816979"
    },
    {
      "nct_id": "NCT02321527",
      "title": "Feasibility of Ultrasound Microbubble Contrast-Enhanced (CEUS) Sentinel Lymph Node Imaging With Guided Biopsy in Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Perflutren Protein-Type A Microspheres Injectable Suspension",
          "type": "DRUG"
        },
        {
          "name": "Contrast-Enhanced Ultrasound (CEUS)",
          "type": "DEVICE"
        },
        {
          "name": "Biopsy + Radioactive Seed Placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Phone Call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2015-07",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-10-17T02:43:23.127Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02321527"
    }
  ]
}