{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sample&page=35",
    "query": {
      "intervention": "Blood sample",
      "page": 35
    },
    "page_size": 10
  },
  "pagination": {
    "page": 35,
    "page_size": 10,
    "total_count": 20635,
    "total_pages": 2064,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sample&page=36&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sample&page=34&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T13:24:25.333Z",
  "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": "NCT03796689",
      "title": "The PCORnet Blood Pressure Home Monitoring Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Smartphone-linked HBPM and associated app",
          "type": "DEVICE"
        },
        {
          "name": "Standard HBPM",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2238,
      "start_date": "2019-08-15",
      "completion_date": "2021-10-23",
      "has_results": true,
      "last_update_posted_date": "2022-11-16",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Gainesville, Florida • New Orleans, Louisiana + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03796689"
    },
    {
      "nct_id": "NCT00579618",
      "title": "Ascertainment of Saliva or Blood Samples For Genetic Epidemiology Studies of Cancer and Aging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-cancer Affected Volunteers"
      ],
      "interventions": [
        {
          "name": "Saliva or Blood samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2006-09",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00579618"
    },
    {
      "nct_id": "NCT05335590",
      "title": "Adherence and Clinical Correlates in Persons With HIV on TAF",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hiv"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 384,
      "start_date": "2022-04-25",
      "completion_date": "2026-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05335590"
    },
    {
      "nct_id": "NCT06633224",
      "title": "Fatigue and Molecular Mechanisms in Cancer Patients Receiving CCRT",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Thoracic Cancer",
        "Gynecologic Cancer",
        "Head and Neck Cancer",
        "Gastrointestinal Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Specimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Stool Specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life (QOL) Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2024-12-27",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06633224"
    },
    {
      "nct_id": "NCT00835224",
      "title": "Safety and Efficacy of L-NAME and Midodrine to Increase MAP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Orthostatic Hypotension",
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "L-NAME",
          "type": "DRUG"
        },
        {
          "name": "Midodrine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 34,
      "start_date": "2010-05",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835224"
    },
    {
      "nct_id": "NCT05675527",
      "title": "PRP for Glenohumeral Osteoarthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Shoulder Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Low-dose PRP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "High-dose PRP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 135,
      "start_date": "2023-05-02",
      "completion_date": "2029-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05675527"
    },
    {
      "nct_id": "NCT06538961",
      "title": "Immune Registry for BK in Kidney Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "BK Virus Infection",
        "Kidney Transplant; Complications"
      ],
      "interventions": [
        {
          "name": "Blood samples: Main Study group",
          "type": "OTHER"
        },
        {
          "name": "Data Collection",
          "type": "OTHER"
        },
        {
          "name": "Urine Sample- Main Study group",
          "type": "OTHER"
        },
        {
          "name": "Urine sample- Sub-study group",
          "type": "OTHER"
        },
        {
          "name": "Blood sample: Sub-study group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": "2024-05-29",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06538961"
    },
    {
      "nct_id": "NCT02620761",
      "title": "Fenoldopam to Prevent Renal Dysfunction in Indomethacin Treated Preterm Infants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Patent Ductus Arteriosus (PDA)",
        "Acute Kidney Injury (AKI)"
      ],
      "interventions": [
        {
          "name": "Fenoldopam",
          "type": "DRUG"
        },
        {
          "name": "0.9%NS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "28 Days",
        "sex": "ALL",
        "summary": "0 Days to 28 Days"
      },
      "enrollment_count": 1,
      "start_date": "2019-02-06",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2022-09-16",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02620761"
    },
    {
      "nct_id": "NCT00473642",
      "title": "Reduced Fluence Photodynamic Therapy (PDT) With Visudyne in Combination With Lucentis for Age-Related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Age-Related Maculopathy",
        "Choroidal Neovascularization"
      ],
      "interventions": [
        {
          "name": "Ranibizumab",
          "type": "DRUG"
        },
        {
          "name": "Verteporfin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oklahoma State University Center for Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2007-05",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00473642"
    },
    {
      "nct_id": "NCT00005986",
      "title": "Chemotherapy, Filgrastim and Peripheral Stem Cell Transplantation in Patients With Chronic Myelogenous Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "DRUG"
        },
        {
          "name": "recombinant interferon alfa",
          "type": "DRUG"
        },
        {
          "name": "in vitro-treated peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-10-21T13:24:25.333Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005986"
    }
  ]
}