{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Collection&page=55",
    "query": {
      "intervention": "Peripheral Blood Collection",
      "page": 55
    },
    "page_size": 10
  },
  "pagination": {
    "page": 55,
    "page_size": 10,
    "total_count": 4259,
    "total_pages": 426,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Collection&page=56&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Collection&page=54&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T10:20:26.783Z",
  "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": "NCT04901975",
      "title": "Fibrosis and the Fontan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Single-ventricle"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "1 Year to 6 Years"
      },
      "enrollment_count": 98,
      "start_date": "2021-02-11",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04901975"
    },
    {
      "nct_id": "NCT02382601",
      "title": "Longitudinal Study of Intra-Uterine Growth Restriction",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "IUGR",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "RADIATION"
        },
        {
          "name": "MRI",
          "type": "RADIATION"
        },
        {
          "name": "Blood collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Neurological Function Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placental Analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Measurement of body fat",
          "type": "PROCEDURE"
        },
        {
          "name": "Pediatric heart ultrasound",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2015-04",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02382601"
    },
    {
      "nct_id": "NCT05987241",
      "title": "Testing the Role of DNA Released From Tumor Cells Into the Blood in Guiding the Use of Immunotherapy After Surgical Removal of the Bladder, Kidney, Ureter, and Urethra for Urothelial Cancer Treatment, MODERN Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Muscle Invasive Bladder Urothelial Carcinoma",
        "Muscle Invasive Renal Pelvis Urothelial Carcinoma",
        "Muscle Invasive Ureter Urothelial Carcinoma",
        "Muscle Invasive Urethral Urothelial Carcinoma",
        "Stage II Bladder Urothelial Carcinoma AJCC v6 and v7",
        "Stage III Bladder Urothelial Carcinoma AJCC v6 and v7",
        "Stage IV Bladder Urothelial Carcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "cfDNA or ctDNA Measurement",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cystoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Relatlimab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BIOLOGICAL"
      ],
      "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": 992,
      "start_date": "2024-02-02",
      "completion_date": "2030-09-02",
      "has_results": false,
      "last_update_posted_date": "2026-11-06",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 495,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 374 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05987241"
    },
    {
      "nct_id": "NCT02067039",
      "title": "Evaluation of Rapid HIV Self-testing Among MSM (eSTAMP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "OraQuick in home & Sure Check HIV tests",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Centers for Disease Control and Prevention",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 2665,
      "start_date": "2015-03-25",
      "completion_date": "2016-10-21",
      "has_results": true,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02067039"
    },
    {
      "nct_id": "NCT03271372",
      "title": "Adjuvant Avelumab in Merkel Cell Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage III Merkel Cell Carcinoma AJCC v8",
        "Stage IIIB Merkel Cell Carcinoma AJCC v8",
        "Stage IIIA Merkel Cell Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Collection",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 101,
      "start_date": "2017-12-19",
      "completion_date": "2029-02-18",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 9,
      "location_summary": "Orange, California • Aurora, Colorado • Tampa, Florida + 6 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03271372"
    },
    {
      "nct_id": "NCT03533777",
      "title": "Antegrade Versus Retrograde IV for Blood Draws",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "There is no Focus on Any Specific Condition"
      ],
      "interventions": [
        {
          "name": "Peripheral intravenous catheter placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Peripheral intravenous catheter",
          "type": "DEVICE"
        },
        {
          "name": "To keep open (TKO) infusion of 0.9% normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 230,
      "start_date": "2018-06-22",
      "completion_date": "2019-06-19",
      "has_results": false,
      "last_update_posted_date": "2019-07-01",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03533777"
    },
    {
      "nct_id": "NCT00830557",
      "title": "Collecting Medical Information and Tissue Samples From Patients With Pancreatic Cancer or Other Pancreatic Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Islet Cell Tumor",
        "Pancreatic Cancer",
        "Pancreatic Disease",
        "Acute Pancreatitis",
        "Chronic Pancreatitis",
        "Hereditary Pancreatitis",
        "Pancreatic Neuroendocrine Carcinoma",
        "Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "biospecimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 20000,
      "start_date": "2000-10-01",
      "completion_date": "2027-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00830557"
    },
    {
      "nct_id": "NCT06381154",
      "title": "Photoradiation With Verteporfin to Facilitate Immunologic Activity of Pembrolizumab in Unresectable, Locally Advanced or Metastatic Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Pancreatic Adenocarcinoma",
        "Metastatic Pancreatic Adenocarcinoma",
        "Stage II Pancreatic Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8",
        "Unresectable Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Lymph Node Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Photodynamic Therapy",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Verteporfin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 24,
      "start_date": "2024-12-06",
      "completion_date": "2031-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06381154"
    },
    {
      "nct_id": "NCT04962529",
      "title": "Breast Cancer Liquid Biopsy Trial",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Anthony Magliocco",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2020-09-28",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-11",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 7,
      "location_summary": "Hollywood, Florida • Ocala, Florida • Orlando, Florida + 4 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04962529"
    },
    {
      "nct_id": "NCT06443151",
      "title": "Role of Endothelial Function in SCI CVD Risk",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spinal Cord Injuries",
        "Cardiovascular Diseases",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Brachial intra-arterial infusion of vasoactive and antioxidant drugs (acetylcholine, nitroprusside, ascorbic acid)",
          "type": "PROCEDURE"
        },
        {
          "name": "venous occlusion plethysmography",
          "type": "PROCEDURE"
        },
        {
          "name": "Acetylcholine",
          "type": "DRUG"
        },
        {
          "name": "Sodium Nitroprusside",
          "type": "DRUG"
        },
        {
          "name": "Ascorbic acid",
          "type": "DRUG"
        },
        {
          "name": "venous phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Craig Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-09-01",
      "completion_date": "2027-03-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-20",
      "last_synced_at": "2026-11-07T10:20:26.783Z",
      "location_count": 1,
      "location_summary": "Englewood, Colorado",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06443151"
    }
  ]
}