{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=33",
    "query": {
      "intervention": "Blood samples collected",
      "page": 33
    },
    "page_size": 10
  },
  "pagination": {
    "page": 33,
    "page_size": 10,
    "total_count": 4260,
    "total_pages": 426,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=34&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=32&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T06:03:36.596Z",
  "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": "NCT03367546",
      "title": "Haploidentical Allogeneic Hematopoietic Stem Cell Transplantation (HaploHCT) Following Reduced Intensity Conditioning (RIC) for Selected High Risk Non-Malignant Diseases",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia",
        "High Risk Hematologic Disorders",
        "Cerebral Adrenoleukodystrophy",
        "Inherited Metabolic Disorders"
      ],
      "interventions": [
        {
          "name": "Blood and Marrow Transplant",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "0 Years to 25 Years"
      },
      "enrollment_count": 5,
      "start_date": "2018-07-02",
      "completion_date": "2022-12-19",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03367546"
    },
    {
      "nct_id": "NCT02716103",
      "title": "Assessment of Minimal Residual Disease (MRD) After Antineoplastic Treatment in Patients With AL Amyloidosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyloidosis"
      ],
      "interventions": [
        {
          "name": "blood collection",
          "type": "OTHER"
        },
        {
          "name": "bone marrow collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston 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": 45,
      "start_date": "2016-11-21",
      "completion_date": "2020-09-04",
      "has_results": false,
      "last_update_posted_date": "2021-09-10",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02716103"
    },
    {
      "nct_id": "NCT04832659",
      "title": "Assessment of Biomarkers in Children to Help Parents Quit Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "CEASE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CEASE + BIO",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 865,
      "start_date": "2023-01-20",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04832659"
    },
    {
      "nct_id": "NCT02965703",
      "title": "Aspirin in Preventing Colorectal Cancer in Patients With Colorectal Adenoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Adenoma",
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Rectal Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "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": 81,
      "start_date": "2018-01-16",
      "completion_date": "2026-12-24",
      "has_results": true,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02965703"
    },
    {
      "nct_id": "NCT03748082",
      "title": "Effects of Nitric Oxide on the Endothelium During Hemolysis.",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endothelial Dysfunction",
        "Hemolysis Intravascular",
        "Cardiovascular Diseases",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "type": "DRUG"
        },
        {
          "name": "Reactive Hyperemia Index",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Endothelial Cells Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": "2018-12-05",
      "completion_date": "2023-11",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03748082"
    },
    {
      "nct_id": "NCT00580203",
      "title": "Collection Of Tissue, Blood, and Other Specimens From Patients With Head and Neck Tumors To Study the Causes, Diagnosis, Prevention and Treatment of Cancers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1468,
      "start_date": "2004-02",
      "completion_date": "2024-11-12",
      "has_results": false,
      "last_update_posted_date": "2024-11-15",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580203"
    },
    {
      "nct_id": "NCT07062003",
      "title": "Minibeam Radiation Therapy With Tungsten Slit Collimator for the Treatment of Recurrent or Metastatic Skin or Soft Tissue Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Malignant Skin Neoplasm",
        "Metastatic Malignant Soft Tissue Neoplasm",
        "Recurrent Malignant Skin Neoplasm",
        "Recurrent Malignant Soft Tissue Neoplasm",
        "Skin Neoplasm",
        "Soft Tissue Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Minibeam Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2025-08-11",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07062003"
    },
    {
      "nct_id": "NCT03458780",
      "title": "Yellow Fever Immune Response at Single Cell Resolution",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Yellow Fever Vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rockefeller University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 6,
      "start_date": "2016-08-22",
      "completion_date": "2018-09-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03458780"
    },
    {
      "nct_id": "NCT02782546",
      "title": "Cytokine Induced Memory-like NK Cell Adoptive Therapy After Haploidentical Donor Hematopoietic Cell Transplantation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Graft cell infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        },
        {
          "name": "CIML NK cell infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "ALT-803",
          "type": "DRUG"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2017-01-30",
      "completion_date": "2028-02-13",
      "has_results": true,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02782546"
    },
    {
      "nct_id": "NCT05915897",
      "title": "Whole Blood Biospecimen Collection for Subjects With Chronic Granulomatous Disease (CGD)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Granulomatous Disease"
      ],
      "interventions": [
        {
          "name": "Specimen Donation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 6,
      "start_date": "2023-05-23",
      "completion_date": "2024-03-25",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-15T06:03:36.596Z",
      "location_count": 1,
      "location_summary": "Woburn, Massachusetts",
      "locations": [
        {
          "city": "Woburn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05915897"
    }
  ]
}