{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=2",
    "query": {
      "intervention": "Research Blood 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=Research+Blood+Collection&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T02:24:04.856Z",
  "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": "NCT00897325",
      "title": "Collecting and Storing Samples of Bone Marrow and Blood From Patients With Relapsed Acute Lymphoblastic Leukemia or Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Non-Hodgkin Lymphoma",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 811,
      "start_date": "2006-09-25",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 168,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 119 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00897325"
    },
    {
      "nct_id": "NCT06357845",
      "title": "Linking Somatic Mutation Rate With Baseline Exposure in East Palestine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Somatic Mutation"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "OTHER"
        },
        {
          "name": "Biological specimen collection",
          "type": "OTHER"
        },
        {
          "name": "Communications about study updates and future research opportunities",
          "type": "OTHER"
        },
        {
          "name": "Qualitative interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2024-08-16",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06357845"
    },
    {
      "nct_id": "NCT03302325",
      "title": "Circulating Tumor DNA As Liquid Biopsy in Patients with Stage IV Solid Tumors, a Feasibility Study At MUSC HCC",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Solid Tumor, Adult"
      ],
      "interventions": [
        {
          "name": "research blood draws",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": "2017-10-12",
      "completion_date": "2020-01-06",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03302325"
    },
    {
      "nct_id": "NCT00177268",
      "title": "Blood, Urine, and Tissue Collection for Cutaneous Lymphoma, Eczema, and Atopic Dermatitis Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cutaneous T-cell Lymphoma",
        "Sezary Syndrome",
        "Mycosis Fungoides",
        "Eczema",
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Blood draw, skin biopsy or urine collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2004-10",
      "completion_date": "2032-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-30",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00177268"
    },
    {
      "nct_id": "NCT00995891",
      "title": "Collection of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers for Center for Human Immunology, Autoimmunity, and Inflammatory Diseases (CHI) Laboratory Research Studies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2009-09-09",
      "completion_date": "2018-09-05",
      "has_results": false,
      "last_update_posted_date": "2019-12-05",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00995891"
    },
    {
      "nct_id": "NCT02604563",
      "title": "Aging, Geriatric Syndromes and Clonal Hematopoiesis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Geriatrics",
        "Aged",
        "Geriatric Syndromes",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Activities of Daily Living Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Instrumental Activities of Daily Living, subscale of the OARS",
          "type": "OTHER"
        },
        {
          "name": "Karnofsky Self-reported Performance Rating Scale",
          "type": "OTHER"
        },
        {
          "name": "Number of Falls",
          "type": "OTHER"
        },
        {
          "name": "Physical Health Section, subscale of the OARS",
          "type": "OTHER"
        },
        {
          "name": "MOS Social Activity Survey",
          "type": "OTHER"
        },
        {
          "name": "Unintentional Weight Loss",
          "type": "OTHER"
        },
        {
          "name": "Peripheral Blood Draw",
          "type": "GENETIC"
        },
        {
          "name": "Buccal Swab",
          "type": "GENETIC"
        },
        {
          "name": "Heart Health and Smoking History from BRFSS questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Gait Speed",
          "type": "OTHER"
        },
        {
          "name": "Grip Strength",
          "type": "OTHER"
        },
        {
          "name": "Height and Weight measurements",
          "type": "OTHER"
        },
        {
          "name": "Blood pressure measurement",
          "type": "OTHER"
        },
        {
          "name": "Optional bone marrow biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw for trauma measurements",
          "type": "PROCEDURE"
        },
        {
          "name": "Femur head donation",
          "type": "OTHER"
        },
        {
          "name": "Knee bone fragments",
          "type": "OTHER"
        },
        {
          "name": "Bone marrow aspirate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2016-03-10",
      "completion_date": "2030-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02604563"
    },
    {
      "nct_id": "NCT04629963",
      "title": "Chronic Pain Diagnosis and Treatment in Torture Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "Pain Evaluation and BPISF",
          "type": "OTHER"
        },
        {
          "name": "Surveys, a fingerstick blood sample, EMAs, and a digital wearable device",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-01-14",
      "completion_date": "2026-01-19",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 4,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04629963"
    },
    {
      "nct_id": "NCT05616130",
      "title": "Pathological Myeloid Activation After Sepsis and Trauma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Trauma Injury",
        "Sepsis",
        "Immunosuppression",
        "Chronic Critical Illness"
      ],
      "interventions": [
        {
          "name": "Data Collection",
          "type": "OTHER"
        },
        {
          "name": "Bone marrow collection and blood collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Serial interviews to complete surveys and questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Telephone follow up call",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 255,
      "start_date": "2022-09-01",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-26",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05616130"
    },
    {
      "nct_id": "NCT00442195",
      "title": "Collection and Analysis of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "8 Years to 99 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2007-03-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00442195"
    },
    {
      "nct_id": "NCT05716022",
      "title": "Hiatal Hernia and Pulmonary Involvement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hiatal Hernia",
        "Interstitial Lung Disease"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bronchoscopy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2023-01-05",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-16T02:24:04.856Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05716022"
    }
  ]
}