{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Sample+Collection&page=4",
    "query": {
      "intervention": "Blood Sample Collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 3592,
    "total_pages": 360,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Sample+Collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Sample+Collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T02:05:30.629Z",
  "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": "NCT02807480",
      "title": "Approach-Avoidance Conflict-a Multi-level Predictor for Therapy Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Generalized Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Exposure-based therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Activation therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computer-based behavioral assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Surveys and Interviews",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Magnetic resonance imaging (MRI)",
          "type": "DEVICE"
        },
        {
          "name": "Electroencephalography (EEG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Laureate Institute for Brain Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 121,
      "start_date": "2016-06",
      "completion_date": "2022-03-04",
      "has_results": true,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02807480"
    },
    {
      "nct_id": "NCT01462448",
      "title": "Study to Identify the Genetic Variations Associated With Phantom Limb Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Phantom Limb"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 726,
      "start_date": "2012-03",
      "completion_date": "2023-08-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01462448"
    },
    {
      "nct_id": "NCT05673018",
      "title": "Galleri® in the Medicare Population.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Multi-Cancer Early Detection Test (Galleri®)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 50000,
      "start_date": "2024-07-12",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 61,
      "location_summary": "Fort Smith, Arkansas • Auburn, California • Davis, California + 43 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Auburn",
          "state": "California"
        },
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Elk Grove",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05673018"
    },
    {
      "nct_id": "NCT06699056",
      "title": "AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Ejection Fraction",
        "LVF",
        "LV Dysfunction",
        "Atrial Enlargement",
        "Conduction Defect",
        "Heart Failure",
        "Valvular Heart Disease",
        "Ischemic Heart Disease",
        "Cardiotoxicity",
        "Myocardial Infarction",
        "Dilated Cardiomyopathy",
        "HFrEF - Heart Failure With Reduced Ejection Fraction",
        "HFpEF - Heart Failure With Preserved Ejection Fraction",
        "Syncope",
        "Remodeling, Cardiac"
      ],
      "interventions": [
        {
          "name": "15-minutes of sitting during COR ECG Acquistion",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Peerbridge Health, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2024-11-21",
      "completion_date": "2027-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 8,
      "location_summary": "Orange, California • Pasadena, California • Detroit, Michigan + 5 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06699056"
    },
    {
      "nct_id": "NCT05930496",
      "title": "Evaluating the Effects of an Exercise Intervention on the Gut Microbiota in Stage II-III Colorectal Cancer Survivors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage II Colorectal Cancer AJCC v8",
        "Stage III Colorectal Cancer AJCC v8",
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "2025-07-08",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05930496"
    },
    {
      "nct_id": "NCT04761770",
      "title": "Study of a Geriatric Assessment to Plan a Treatment Approach for Older People With Various Blood Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndrome",
        "Myeloproliferative Neoplasms",
        "Chronic Myelomonocytic Leukemia",
        "Atypical Chronic Myeloid Leukemia",
        "Myelodysplastic/Myeloproliferative Overlapping Syndrome"
      ],
      "interventions": [
        {
          "name": "Geriatric assessment (GA) pre-transplant",
          "type": "OTHER"
        },
        {
          "name": "conditioning regimen",
          "type": "DRUG"
        },
        {
          "name": "Allogeneic CD34+ selected stem cells",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2021-02-15",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04761770"
    },
    {
      "nct_id": "NCT05962905",
      "title": "Accuracy Performance Verification of the INVOS™ System in Pediatrics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cerebral Oxygenation",
        "Pediatric ALL"
      ],
      "interventions": [
        {
          "name": "Blood sample",
          "type": "OTHER"
        },
        {
          "name": "INVOS monitoring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "0 Years to 21 Years"
      },
      "enrollment_count": 110,
      "start_date": "2023-11-16",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 5,
      "location_summary": "Kansas City, Missouri • St Louis, Missouri • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05962905"
    },
    {
      "nct_id": "NCT07776353",
      "title": "Understanding New Cachexia Subtypes Through Observational Epidemiological Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Colorectal Carcinoma",
        "Advanced Lung Non-Small Cell Carcinoma",
        "Advanced Pancreatic Adenocarcinoma",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8",
        "Unresectable Colorectal Carcinoma",
        "Unresectable Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic health record review",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Physical functions assessments",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2023-04-05",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07776353"
    },
    {
      "nct_id": "NCT06056895",
      "title": "Triple Immune Checkpoint Inhibition for Advanced or Metastatic PD-(L)1 Refractory Merkel Cell Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Clinical Stage III Merkel Cell Carcinoma AJCC v8",
        "Clinical Stage IV Merkel Cell Carcinoma AJCC v8",
        "Merkel Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Retifanlimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tuparstobart",
          "type": "DRUG"
        },
        {
          "name": "Verzistobart",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 12,
      "start_date": "2023-11-08",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06056895"
    },
    {
      "nct_id": "NCT02094872",
      "title": "Molecularly Targeted Therapy in Treating Patients With BRAF Wild-type Melanoma That is Metastatic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Melanoma",
        "Stage IIIA Melanoma",
        "Stage IIIB Melanoma",
        "Stage IIIC Melanoma",
        "Stage IV Melanoma"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "MEK 162 therapy or molecularly targeted therapy",
          "type": "DRUG"
        },
        {
          "name": "therapeutic procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2014-05",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2020-01-02",
      "last_synced_at": "2026-10-18T02:05:30.629Z",
      "location_count": 8,
      "location_summary": "Scottsdale, Arizona • New Haven, Connecticut • Jacksonville, Florida + 5 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02094872"
    }
  ]
}