{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=18",
    "query": {
      "intervention": "Sample Collection Blood",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 2810,
    "total_pages": 281,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T09:25:41.088Z",
  "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": "NCT07293585",
      "title": "Vascular Optimized Radiotherapy Tuned to Critical Structures for Erectile Function Using High-Precision X-Ray Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Neurovascular sparing stereotactic body radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 200,
      "start_date": "2025-12-16",
      "completion_date": "2036-12-16",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07293585"
    },
    {
      "nct_id": "NCT05004389",
      "title": "Biomarkers of Independent Walking Post-Stroke",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke, Acute",
        "Gait, Hemiplegic"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Clinical assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Vermont",
      "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": "2021-12-02",
      "completion_date": "2023-05",
      "has_results": false,
      "last_update_posted_date": "2023-03-14",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004389"
    },
    {
      "nct_id": "NCT04586452",
      "title": "NIH CCR2 AAA Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Abdominal Aortic Aneurysm (AAA)",
        "No Abdominal Aortic Aneurysm (Non-AAA)"
      ],
      "interventions": [
        {
          "name": "AAA Group (Aim 3A)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Non-AAA Group",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ex Vivo Human AAA Specimens (Aim 2A)",
          "type": "OTHER"
        },
        {
          "name": "Relationship between radiotracer and CCR2 (Aim 2B)",
          "type": "OTHER"
        },
        {
          "name": "AAA Group (Aim 3B-Reproducibility)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2021-02-17",
      "completion_date": "2022-04-04",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04586452"
    },
    {
      "nct_id": "NCT06323876",
      "title": "The Role of Quantitative CT and Radiomic Biomarkers for Precision Medicine in Pulmonary Fibrosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "HRCT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "101 Years",
        "sex": "ALL",
        "summary": "40 Years to 101 Years"
      },
      "enrollment_count": 160,
      "start_date": "2024-06-20",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2024-08-16",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06323876"
    },
    {
      "nct_id": "NCT05447910",
      "title": "Analysis of Letrozole in Patients With Operable Hormone Receptor Positive, HER2 Negative Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Adenocarcinoma",
        "Invasive Breast Carcinoma",
        "Resectable Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 21,
      "start_date": "2022-07-21",
      "completion_date": "2023-09-27",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05447910"
    },
    {
      "nct_id": "NCT04517838",
      "title": "Immune Response to Anti-HER2 Therapies in Patients With HER2-Positive Stage I-IV Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Adenocarcinoma",
        "HER2-Positive Breast Carcinoma",
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 230,
      "start_date": "2020-07-31",
      "completion_date": "2028-07-27",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04517838"
    },
    {
      "nct_id": "NCT02587026",
      "title": "Biorepository for Precision Genomics",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "Blood sample collection",
          "type": "OTHER"
        },
        {
          "name": "Tumor tissue sample collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 480,
      "start_date": "2015-08-27",
      "completion_date": "2020-07-07",
      "has_results": false,
      "last_update_posted_date": "2020-11-13",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Muncie, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Muncie",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02587026"
    },
    {
      "nct_id": "NCT06357975",
      "title": "Testing Crizotinib as Potentially Targeted Treatment in Cancers With MET Genetic Changes (MATCH - Subprotocol C1)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Lymphoma",
        "Advanced Malignant Solid Neoplasm",
        "Refractory Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Crizotinib",
          "type": "DRUG"
        },
        {
          "name": "Radiologic Examination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 44,
      "start_date": "2016-07-29",
      "completion_date": "2026-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06357975"
    },
    {
      "nct_id": "NCT06129851",
      "title": "Relugolix in Combination With Radiation Therapy for Treating Patients With High Risk Prostate Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage IIC Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IV Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual X-ray Absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "PSMA PET Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Relugolix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 90,
      "start_date": "2023-11-20",
      "completion_date": "2026-10-23",
      "has_results": false,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06129851"
    },
    {
      "nct_id": "NCT06315881",
      "title": "Informing Oral Nicotine Pouch Regulations to Promote Public Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cigarette",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Oral Pouch",
          "type": "DRUG"
        },
        {
          "name": "Smokeless Tobacco",
          "type": "DRUG"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Text Message-Based Navigation Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2025-01-13",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-20T09:25:41.088Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06315881"
    }
  ]
}