{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Specimen+Collection&page=2",
    "query": {
      "intervention": "Blood Specimen Collection",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Specimen+Collection&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T23:35:52.822Z",
  "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": "NCT01557088",
      "title": "Lp-PLA2 and Coronary Atherosclerosis in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Atherosclerosis",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Blood sampling from the Coronary Sinus and Aorta",
          "type": "OTHER"
        },
        {
          "name": "Intravascular Ultrasound of the coronary artery.",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 166,
      "start_date": "2009-02",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-09-23",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01557088"
    },
    {
      "nct_id": "NCT07044310",
      "title": "5-strain Probiotic Formulation in HR-positive Breast Cancer Receiving Aromatase Inhibitor to Prevent Bone Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage 0 Breast Cancer AJCC v8",
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Hormone Receptor-Positive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Mineral Density Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "WBF-038",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "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": 38,
      "start_date": "2025-07-25",
      "completion_date": "2027-07-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07044310"
    },
    {
      "nct_id": "NCT03569813",
      "title": "Pre-exposure Prophylaxis (PrEP) at Home",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "PrEP@Home System",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "18 Years to 49 Years · Male only"
      },
      "enrollment_count": 318,
      "start_date": "2019-04-26",
      "completion_date": "2023-04-15",
      "has_results": true,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Boston, Massachusetts • Jackson, Mississippi + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03569813"
    },
    {
      "nct_id": "NCT04130620",
      "title": "Validation of the Magnesium Muscle Stretch Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Magnesium Deficiency"
      ],
      "interventions": [
        {
          "name": "Applied Kinesiology",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Anthony Rosner",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-10-15",
      "completion_date": "2022-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-05-02",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 1,
      "location_summary": "Warwick, Rhode Island",
      "locations": [
        {
          "city": "Warwick",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130620"
    },
    {
      "nct_id": "NCT01851382",
      "title": "Collection of Saliva and/ or Peripheral Blood From Healthy Volunteers for Research",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Graft vs Host Disease",
        "Healthy Volunteer",
        "Graft-Versus-Host Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 29,
      "start_date": "2013-05-15",
      "completion_date": "2015-02-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-11",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01851382"
    },
    {
      "nct_id": "NCT02390297",
      "title": "Long Term Follow up for the Detection of Delayed Adverse Events in Cal-1 Recipients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV-1 Infection",
        "Receipt of Cal-1 Modified Hematopoietic Cellular Products"
      ],
      "interventions": [
        {
          "name": "Blood tests",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Calimmune, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 11,
      "start_date": "2015-04",
      "completion_date": "2031-10",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • San Francisco, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02390297"
    },
    {
      "nct_id": "NCT01194024",
      "title": "Scoring System for Inhalation Injury",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inhalation Injury"
      ],
      "interventions": [
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "American Burn Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2011-11-30",
      "completion_date": "2019-09-29",
      "has_results": false,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Sacramento, California + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01194024"
    },
    {
      "nct_id": "NCT00715910",
      "title": "The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Adolescents/Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infections, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Nimenrix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "15 Years to 30 Years"
      },
      "enrollment_count": 818,
      "start_date": "2008-07",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2014-11-27",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 10,
      "location_summary": "Daly City, California • Fairfield, California • Redwood City, California + 6 more",
      "locations": [
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Vallejo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00715910"
    },
    {
      "nct_id": "NCT03155620",
      "title": "Targeted Therapy Directed by Genetic Testing in Treating Pediatric Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphomas, or Histiocytic Disorders (The Pediatric MATCH Screening Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Ann Arbor Stage III Non-Hodgkin Lymphoma",
        "Ann Arbor Stage IV Non-Hodgkin Lymphoma",
        "Histiocytic Sarcoma",
        "Juvenile Xanthogranuloma",
        "Langerhans Cell Histiocytosis",
        "Malignant Glioma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Ependymoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Glioma",
        "Recurrent Hepatoblastoma",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Malignant Germ Cell Tumor",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Medulloblastoma",
        "Recurrent Neuroblastoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Recurrent Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Primary Central Nervous System Neoplasm",
        "Recurrent Rhabdoid Tumor",
        "Recurrent Soft Tissue Sarcoma",
        "Refractory Ewing Sarcoma",
        "Refractory Glioma",
        "Refractory Hepatoblastoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Malignant Germ Cell Tumor",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Medulloblastoma",
        "Refractory Neuroblastoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Refractory Peripheral Primitive Neuroectodermal Tumor",
        "Refractory Primary Central Nervous System Neoplasm",
        "Refractory Rhabdoid Tumor",
        "Refractory Rhabdomyosarcoma",
        "Rhabdoid Tumor",
        "Stage III Osteosarcoma AJCC v7",
        "Stage III Soft Tissue Sarcoma AJCC v7",
        "Stage IV Osteosarcoma AJCC v7",
        "Stage IV Soft Tissue Sarcoma AJCC v7",
        "Stage IVA Osteosarcoma AJCC v7",
        "Stage IVB Osteosarcoma AJCC v7",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ensartinib",
          "type": "DRUG"
        },
        {
          "name": "Erdafitinib",
          "type": "DRUG"
        },
        {
          "name": "Ivosidenib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Larotrectinib Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mutation Carrier Screening",
          "type": "PROCEDURE"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Radionuclide Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Samotolisib",
          "type": "DRUG"
        },
        {
          "name": "Selpercatinib",
          "type": "DRUG"
        },
        {
          "name": "Selumetinib Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Tipifarnib",
          "type": "DRUG"
        },
        {
          "name": "Ulixertinib",
          "type": "DRUG"
        },
        {
          "name": "Vemurafenib",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Months to 21 Years"
      },
      "enrollment_count": 1377,
      "start_date": "2017-07-31",
      "completion_date": "2027-01-06",
      "has_results": true,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 168,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 126 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03155620"
    },
    {
      "nct_id": "NCT00178659",
      "title": "Proteomics of Brain Trauma-associated Elevated Intracranial Pressure (ICP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Injuries, Traumatic",
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Blood/saliva samples for protein/molecular analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "14 Years to 65 Years"
      },
      "enrollment_count": 260,
      "start_date": "2004-08-25",
      "completion_date": "2026-06-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-17T23:35:52.822Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00178659"
    }
  ]
}