{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=29",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T09:07:26.017Z",
  "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": "NCT03330444",
      "title": "Development of a Microbiome Non-invasive Diagnosis Tool",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility of Uterine Origin"
      ],
      "interventions": [
        {
          "name": "Endometrial biopsy and endometrial fluid collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Igenomix",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 452,
      "start_date": "2017-08-04",
      "completion_date": "2020-06-25",
      "has_results": false,
      "last_update_posted_date": "2020-10-09",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 4,
      "location_summary": "Norwalk, Connecticut • Margate, Florida • Chesterfield, Missouri + 1 more",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        },
        {
          "city": "Margate",
          "state": "Florida"
        },
        {
          "city": "Chesterfield",
          "state": "Missouri"
        },
        {
          "city": "Arlington",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03330444"
    },
    {
      "nct_id": "NCT03233711",
      "title": "Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anal Basaloid Carcinoma",
        "Anal Canal Cloacogenic Carcinoma",
        "Anal Margin Squamous Cell Carcinoma",
        "Stage IIB Anal Cancer AJCC v8",
        "Stage III Anal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Digital Rectal Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "High Resolution Anoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Proctoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Sigmoidoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "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": 344,
      "start_date": "2018-07-05",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 887,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 568 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03233711"
    },
    {
      "nct_id": "NCT03014518",
      "title": "Biomarkers as Predictors of Suicidal Risk in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Suicide, Attempted",
        "Suicidal Ideation",
        "Suicidal Intention",
        "Suicide"
      ],
      "interventions": [
        {
          "name": "Clinical assessments and blood samples; follow-up for 12 mos",
          "type": "OTHER"
        },
        {
          "name": "Clinical assessments and blood samples; no 12mo follow-up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 80,
      "start_date": "2016-12",
      "completion_date": "2021-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03014518"
    },
    {
      "nct_id": "NCT02806310",
      "title": "Podocan and Wnt Pathway in the Development of Aortopathy in Bicuspid Valve Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Disease"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bassett Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2016-06",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "Cooperstown, New York",
      "locations": [
        {
          "city": "Cooperstown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02806310"
    },
    {
      "nct_id": "NCT07423585",
      "title": "Tarlatamab for the Treatment of Extensive Stage Small-cell Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Extensive Stage Lung Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Tarlatamab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Asrar Alahmadi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2026-03-20",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07423585"
    },
    {
      "nct_id": "NCT05047926",
      "title": "Prehabilitation for Stage IIIC-IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advanced Ovarian Carcinoma",
        "Stage IIIC Fallopian Tube Cancer AJCC v8",
        "Stage IIIC Ovarian Cancer AJCC v8",
        "Stage IIIC Primary Peritoneal Cancer AJCC v8",
        "Stage IV Fallopian Tube Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Primary Peritoneal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Behavioral Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutritional Supplement Drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Physical Activity",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 90,
      "start_date": "2021-10-05",
      "completion_date": "2025-07-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05047926"
    },
    {
      "nct_id": "NCT03396926",
      "title": "Pembrolizumab, Capecitabine, and Bevacizumab for Treating Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Microsatellite Stable",
        "Mismatch Repair Protein Proficient",
        "Stage III Colorectal Cancer AJCC v7",
        "Stage IIIB Colorectal Cancer AJCC v7",
        "Stage IIIC Colorectal Cancer AJCC v7",
        "Stage IV Colorectal Cancer AJCC v7",
        "Stage IVA Colorectal Cancer AJCC v7",
        "Stage IVB Colorectal Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Specimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2018-04-18",
      "completion_date": "2024-01-30",
      "has_results": true,
      "last_update_posted_date": "2025-02-28",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03396926"
    },
    {
      "nct_id": "NCT07327489",
      "title": "Predicting Response to Immunotherapy From Analysis of Live Tumor Biopsies (ELEPHAS-05)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Immunotherapy",
        "Advanced Solid Tumors Cancer",
        "Bladder Cancer",
        "TNBC, Triple Negative Breast Cancer",
        "Colorectal Cancer",
        "DMMR Colorectal Cancer",
        "MSI-H Colorectal Cancer",
        "Endometrial Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Liver Cancer",
        "NSCLC (Non-small-cell Lung Cancer)",
        "Skin Cancer",
        "Melanoma (Skin Cancer)"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Elephas",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2025-04-14",
      "completion_date": "2038-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 8,
      "location_summary": "Fort Smith, Arkansas • Frederick, Maryland • Springfield, Missouri + 4 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Frederick",
          "state": "Maryland"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07327489"
    },
    {
      "nct_id": "NCT04368624",
      "title": "PKU Skin Stripping",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Phenylketonurias"
      ],
      "interventions": [
        {
          "name": "Skin Tape",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 86,
      "start_date": "2015-10-12",
      "completion_date": "2021-04",
      "has_results": false,
      "last_update_posted_date": "2021-07-28",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04368624"
    },
    {
      "nct_id": "NCT06348108",
      "title": "Talquetamab in Combination With Iberdomide and Dexamethasone for Relapsed or Refractory Multiple Myeloma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Refractory Multiple Myeloma",
        "Relapsed Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Talquetamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Iberdomide",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Alfred Chung, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2025-07-28",
      "completion_date": "2029-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-10-18T09:07:26.017Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06348108"
    }
  ]
}