{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=52",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 52
    },
    "page_size": 10
  },
  "pagination": {
    "page": 52,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=53&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=51&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T18:29:51.912Z",
  "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": "NCT05078866",
      "title": "Cancer Preventive Vaccine Nous-209 for Lynch Syndrome Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Carcinoma",
        "Lynch Syndrome"
      ],
      "interventions": [
        {
          "name": "Adenoviral Tumor-specific Neoantigen Priming Vaccine GAd-209-FSP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "MVA Tumor-specific Neoantigen Boosting Vaccine MVA-209-FSP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "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": 45,
      "start_date": "2022-11-10",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Philadelphia, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05078866"
    },
    {
      "nct_id": "NCT06807437",
      "title": "Lanreotide Versus Placebo Before Surgery to Prevent a Surgical Complication Called a Pancreatic Fistula",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pancreatic Carcinoma",
        "Pancreatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Distal Pancreatectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Lanreotide",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 274,
      "start_date": "2025-05-09",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 118,
      "location_summary": "Birmingham, Alabama • Daphne, Alabama • Fairhope, Alabama + 93 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06807437"
    },
    {
      "nct_id": "NCT05465954",
      "title": "Efineptakin Alfa and Pembrolizumab for the Treatment of Recurrent Glioblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "High Grade Astrocytic Tumor",
        "Recurrent Glioblastoma, IDH-Wildtype",
        "Recurrent Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Efineptakin alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2023-01-24",
      "completion_date": "2031-09-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05465954"
    },
    {
      "nct_id": "NCT04539366",
      "title": "Testing a New Immune Cell Therapy, GD2-Targeted Modified T-cells (GD2CART), in Children, Adolescents, and Young Adults With Relapsed/Refractory Osteosarcoma and Neuroblastoma, GD2-CAR PERSIST Trial",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Childhood Neuroblastoma",
        "Recurrent Childhood Osteosarcoma",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma",
        "Refractory Childhood Neuroblastoma",
        "Refractory Childhood Osteosarcoma",
        "Refractory Neuroblastoma",
        "Refractory Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "GD2-CAR-expressing Autologous T-lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Imaging Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging of the Heart",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "Up to 40 Years"
      },
      "enrollment_count": 73,
      "start_date": "2022-01-25",
      "completion_date": "2040-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Palo Alto, California • Aurora, Colorado + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04539366"
    },
    {
      "nct_id": "NCT07147231",
      "title": "Testing the Effectiveness of the Anti-cancer Drug Pidnarulex (CX-5461), in Combination With Another Anti-cancer Drug Cemiplimab (REGN2810), in Treating Refractory Microsatellite Stable Colorectal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Adenocarcinoma",
        "Refractory Colorectal Adenocarcinoma",
        "Stage III Colorectal Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Unresectable Colorectal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cemiplimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pidnarulex",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 86,
      "start_date": "2026-08-10",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Washington D.C., District of Columbia • Atlanta, Georgia + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07147231"
    },
    {
      "nct_id": "NCT01893710",
      "title": "International (Pediatric) Peritoneal Biobank",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Failure, Chronic",
        "Peritoneal Dialysis Complication",
        "Transplantation",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "biopsy sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Heidelberg University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "1 Day to 90 Years"
      },
      "enrollment_count": 500,
      "start_date": "2011-02-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Kansas City, Missouri • Narberth, Pennsylvania",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Narberth",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01893710"
    },
    {
      "nct_id": "NCT07226453",
      "title": "Target Validation and Efficacy of Metformin in Patients With Posterior Fossa Group A (PFA) Ependymoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Posterior Fossa Ependymal Tumor"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Planned Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Specimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "MR spectroscopy (MRS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "1 Year to 39 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-05-05",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07226453"
    },
    {
      "nct_id": "NCT04897009",
      "title": "Impact of Neoadjuvant Chemotherapy on the Peripheral Blood Immune Phenotype in Operable Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Invasive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2021-06-09",
      "completion_date": "2028-06-08",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04897009"
    },
    {
      "nct_id": "NCT04242095",
      "title": "Collection of Research Data and Samples From Patients Treated With Immunotherapy to Study Its Side Effects",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Immune System Disorder",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2240,
      "start_date": "2020-03-12",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 629,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 405 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04242095"
    },
    {
      "nct_id": "NCT00870428",
      "title": "Predicitve Use of Spot Urine Protein/Creatinine Ratios in Preeclampsia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preeclampsia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MemorialCare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 117,
      "start_date": "2009-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-03-27",
      "last_synced_at": "2026-10-19T18:29:51.912Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870428"
    }
  ]
}