{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=19",
    "query": {
      "intervention": "Blood samples collected",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 4260,
    "total_pages": 426,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T14:11:56.428Z",
  "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": "NCT05012202",
      "title": "Validating a New Point-of-care Device for Estimation of Blood Count in Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blood Loss"
      ],
      "interventions": [
        {
          "name": "Hemi device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2021-10-01",
      "completion_date": "2022-12-10",
      "has_results": false,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05012202"
    },
    {
      "nct_id": "NCT02238327",
      "title": "Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "HIV",
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaires",
          "type": "PROCEDURE"
        },
        {
          "name": "Lung function testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Six-Minute walk test",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative CT scans",
          "type": "RADIATION"
        },
        {
          "name": "Nasal secretion and cell collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 232,
      "start_date": "2014-09",
      "completion_date": "2020-03-02",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02238327"
    },
    {
      "nct_id": "NCT06466122",
      "title": "Pirtobrutinib (LOXO-305) and Venetoclax for the Treatment of Patients With CLL or SLL Resistant to Covalent BTKi",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Pirtobrutinib",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Kerry Rogers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2024-11-07",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06466122"
    },
    {
      "nct_id": "NCT00989586",
      "title": "Veltuzumab and Milatuzumab in Treating Patients With Relapsed or Refractory B-Cell Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "milatuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "veltuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Correlative/Special Studies",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative T-, B-, and NK cell subsets",
          "type": "PROCEDURE"
        },
        {
          "name": "Pharmacokinetics",
          "type": "PROCEDURE"
        },
        {
          "name": "Human Anti-Human Antibodies",
          "type": "PROCEDURE"
        },
        {
          "name": "veltuzumab and milatuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Beth Christian",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2009-09",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2017-02-06",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00989586"
    },
    {
      "nct_id": "NCT02473588",
      "title": "Long Time Interval Analysis for Non Invasive Measurement of Cardiac Output",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypotension"
      ],
      "interventions": [
        {
          "name": "Retia Medical Long Time Interval Analysis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 60,
      "start_date": "2015-06",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-06-16",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02473588"
    },
    {
      "nct_id": "NCT02761473",
      "title": "Cutaneous Mastocytosis in Children: Analysis of Somatic and Germline Mutations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urticaria Pigmentosa",
        "Cutaneous Mastocytosis"
      ],
      "interventions": [
        {
          "name": "skin biopsy",
          "type": "OTHER"
        },
        {
          "name": "blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "3 Months to 23 Years"
      },
      "enrollment_count": 50,
      "start_date": "2016-11",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-20",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02761473"
    },
    {
      "nct_id": "NCT05457556",
      "title": "Mismatched Related Donor Versus Matched Unrelated Donor Stem Cell Transplantation for Children, Adolescents, and Young Adults With Acute Leukemia or Myelodysplastic Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Mixed Phenotype Acute Leukemia",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Haploidentical Hematopoietic Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Lapine T-Lymphocyte Immune Globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Matched Unrelated Donor Hematopoietic Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Myeloablative Conditioning",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "T-Cell Depletion Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Months to 21 Years"
      },
      "enrollment_count": 66,
      "start_date": "2023-03-15",
      "completion_date": "2027-07-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 57,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05457556"
    },
    {
      "nct_id": "NCT04604522",
      "title": "Evaluating Clonogenic Epithelial Cell Populations in Patients With Bronchiolitis Obliterans Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bronchiolitis Obliterans"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15,
      "start_date": "2020-08-27",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04604522"
    },
    {
      "nct_id": "NCT04855422",
      "title": "Assessing Benchmarks For Allosure And Allomap Testing in Simultaneous Kidney & Pancreas Transplant Recipients.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transplant; Complication, Rejection"
      ],
      "interventions": [
        {
          "name": "Allosure",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "AlloMap",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2021-07-14",
      "completion_date": "2026-06-22",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04855422"
    },
    {
      "nct_id": "NCT05639556",
      "title": "Strength and Muscle Related Outcomes for Nutrition and Lung Function in CF",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "BMI and lean mass index from DXA",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Anthropometric Measurements",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hand-grip strength",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Six-minute walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sit-to-Stand Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Short physical performance battery (SPPB)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "BIA Sub-study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Accelerometry to assess physical activity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Gastrointestinal (GI) and nutrition questionnaires:",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: PHQ-8",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: GAD-7",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: The Treatment Self-Regulation Questionnaire (TSRQ)",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: CF Fatalism Scale",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial questionnaire: Body Esteem Scale for Adolescents and Adults (BESAA)",
          "type": "OTHER"
        },
        {
          "name": "12-month Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Oral glucose tolerance testing (OGTT)",
          "type": "OTHER"
        },
        {
          "name": "Continuous glucose monitoring (CGM)",
          "type": "DEVICE"
        },
        {
          "name": "Chest CT scans (When available within the past 6 months in medical records)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hologic Dual X-Ray Absorptiometry (DXA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrasound Sub-study of assessment of appendage muscles using ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Psychosocial questionnaire: Hunger Vital Sign questionnaire",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory symptom questionnaire: CRISS",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Psychosocial questionnaire: Additional Health Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "CF Management Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Food Frequency Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2023-04-20",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-10-14T14:11:56.428Z",
      "location_count": 23,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Atlanta, Georgia + 19 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05639556"
    }
  ]
}