{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=56",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 56
    },
    "page_size": 10
  },
  "pagination": {
    "page": 56,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=57&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=55&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T21:03:16.246Z",
  "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": "NCT07781709",
      "title": "Understanding the Effects of Pulmonary Arterial Hypertension on Lean Muscle Mass-Substudy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Measurement of oxyhemoglobin and deoxyhemoglobin concentration pre and post- exercise at baseline and Week 12. Measurement of time to recovery of oxyhemglobin post-exercise at baseline and at Week 12.",
          "type": "DEVICE"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-11-02",
      "completion_date": "2029-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-11-10",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07781709"
    },
    {
      "nct_id": "NCT06080932",
      "title": "Ketogenic Intervention in Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Ketosis"
      ],
      "interventions": [
        {
          "name": "Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "NIH Toolbox",
          "type": "OTHER"
        },
        {
          "name": "gradCPT",
          "type": "OTHER"
        },
        {
          "name": "Resting-state fMRI",
          "type": "OTHER"
        },
        {
          "name": "Task-fMRI",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sleep Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Ketone/Glucose Monitoring",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Body Composition",
          "type": "OTHER"
        },
        {
          "name": "PHQ-9",
          "type": "BEHAVIORAL"
        },
        {
          "name": "WHO-5",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SKID",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-02-20",
      "completion_date": "2024-12-21",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06080932"
    },
    {
      "nct_id": "NCT03816358",
      "title": "Testing the Combination of Anetumab Ravtansine With Either Nivolumab, Nivolumab and Ipilimumab, or Gemcitabine and Nivolumab in Advanced Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Adenocarcinoma",
        "Stage II Pancreatic Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Anetumab Ravtansine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Gemcitabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "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": 74,
      "start_date": "2019-12-09",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 44,
      "location_summary": "Birmingham, Alabama • Duarte, California • Irvine, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03816358"
    },
    {
      "nct_id": "NCT03400371",
      "title": "Biology of Juvenile Myoclonic Epilepsy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Juvenile Myoclonic Epilepsy"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Existing samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "King's College London",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "10 Years to 40 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2017-07-13",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 3,
      "location_summary": "New York, New York • Columbus, Ohio",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03400371"
    },
    {
      "nct_id": "NCT02993536",
      "title": "Clonal Evolution of B Cells in High-risk CLL After Idelalisib-rituximab",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2019-04-16",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02993536"
    },
    {
      "nct_id": "NCT04673448",
      "title": "Niraparib and TSR-042 for the Treatment of BRCA-Mutated Unresectable or Metastatic Breast, Pancreas, Ovary, Fallopian Tube, or Primary Peritoneal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "BRCA-Associated Malignant Neoplasm",
        "BRCA Hereditary Ovarian Carcinoma",
        "Metastatic BRCA Hereditary Breast Carcinoma",
        "Metastatic Breast Carcinoma",
        "Metastatic Fallopian Tube Carcinoma",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Ovarian Carcinoma",
        "Metastatic Pancreatic Carcinoma",
        "Metastatic Primary Peritoneal Carcinoma",
        "Prognostic Stage III Breast Cancer AJCC v8",
        "Prognostic Stage IV Breast Cancer AJCC v8",
        "Stage III Fallopian Tube Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8",
        "Stage III Primary Peritoneal Cancer AJCC v8",
        "Stage IV Fallopian Tube Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8",
        "Stage IV Primary Peritoneal Cancer AJCC v8",
        "Unresectable Breast Carcinoma",
        "Unresectable Fallopian Tube Carcinoma",
        "Unresectable Malignant Solid Neoplasm",
        "Unresectable Ovarian Carcinoma",
        "Unresectable Pancreatic Carcinoma",
        "Unresectable Primary Peritoneal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Dostarlimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Niraparib",
          "type": "DRUG"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2021-10-18",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04673448"
    },
    {
      "nct_id": "NCT03140709",
      "title": "Non-Invasive, Highly Specific Detection of Oxytocin in Biological Fluids",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oxytocin",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 28,
      "start_date": "2016-05",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2017-05-04",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03140709"
    },
    {
      "nct_id": "NCT07186309",
      "title": "A Study of a Test for Postpartum Depression at Home",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postpartum Depression (PPD)",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Diagnostic Test: Enlighten",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Virginia",
      "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": 1000,
      "start_date": "2025-11-20",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2025-11-28",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07186309"
    },
    {
      "nct_id": "NCT06447987",
      "title": "Humanized CD19-Specific CAR T Cells for the Treatment of Patients With Positive Relapsed or Refractory CD19 Positive B-Cell Acute Lymphoblastic Leukemia",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Acute Lymphoblastic Leukemia",
        "Refractory Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "CD19CAR-CD28-CD3zeta-EGFRt-expressing Tn/mem-enriched T-lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2024-11-06",
      "completion_date": "2026-12-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06447987"
    },
    {
      "nct_id": "NCT04630093",
      "title": "Pilot of Preemptive Pharmacogenetics in Medically Underserved Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pharmacogenetic Testing"
      ],
      "interventions": [
        {
          "name": "Panel-based pharmacogenetic genotyping",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-05-13",
      "completion_date": "2022-06-22",
      "has_results": true,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-11-11T21:03:16.246Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04630093"
    }
  ]
}