{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sampling&page=8",
    "query": {
      "intervention": "Blood sampling",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 1554,
    "total_pages": 156,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sampling&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sampling&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T15:54:46.411Z",
  "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": "NCT02664883",
      "title": "Myeloid Derived Suppressor Cells Clinical Assay in Finding Kidney Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Subject",
        "Metastatic Renal Cell Cancer",
        "Recurrent Renal Cell Carcinoma",
        "Stage I Renal Cell Cancer",
        "Stage II Renal Cell Cancer",
        "Stage III Renal Cell Cancer"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2015-09-08",
      "completion_date": "2026-10-29",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02664883"
    },
    {
      "nct_id": "NCT03124329",
      "title": "Efficacy of Methods to Treat Multiple Gingival Recession Defects",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingival Recession"
      ],
      "interventions": [
        {
          "name": "Coronally Advanced Flap",
          "type": "PROCEDURE"
        },
        {
          "name": "Intrasulcular Tunneling",
          "type": "PROCEDURE"
        },
        {
          "name": "Vestibular Incision Subperiosteal Tunnel Access (VISTA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Leukocyte-Platelet Rich Fibrin (L-PRF)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-05-01",
      "completion_date": "2019-06-19",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03124329"
    },
    {
      "nct_id": "NCT04810143",
      "title": "Tacrolimus Microsampling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Validate Volumetric Absorptive Microsampling (VAMS) Assay"
      ],
      "interventions": [
        {
          "name": "Mitra Microsampler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 16,
      "start_date": "2019-10-07",
      "completion_date": "2022-07-28",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04810143"
    },
    {
      "nct_id": "NCT01858376",
      "title": "Effect Of Capros Supplementation On Cardiovascular Disease Risk Factors In Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperlipidemia"
      ],
      "interventions": [
        {
          "name": "Capros dietary supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Chandan K Sen",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 24,
      "start_date": "2013-03",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2018-07-27",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01858376"
    },
    {
      "nct_id": "NCT04255680",
      "title": "A Study to Assess Variation in Potential Biomarkers in Friedreich Ataxia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Friedreich Ataxia"
      ],
      "interventions": [
        {
          "name": "Buccal Swabs and Blood Draws",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Larimar Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2020-01-14",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-08-18",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04255680"
    },
    {
      "nct_id": "NCT06213883",
      "title": "Response to Acute Exercise in Eating Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating Disorders"
      ],
      "interventions": [
        {
          "name": "Biobehavioral Response to in-lab exposure to physical activity",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 25 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2023-11-02",
      "completion_date": "2025-07-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Madison, Wisconsin",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06213883"
    },
    {
      "nct_id": "NCT04592302",
      "title": "The Impact of Smoking on Outcomes and Complications in Total Joint Arthroplasty: A Prospective Crossover Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Total Joint Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2016-12-01",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04592302"
    },
    {
      "nct_id": "NCT02130986",
      "title": "Procalcitonin Antibiotic Consensus Trial (ProACT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Respiratory Tract Infection (LRTI)"
      ],
      "interventions": [
        {
          "name": "Procalcitonin level",
          "type": "OTHER"
        },
        {
          "name": "Results of procalcitonin (PCT) level to treating clinician",
          "type": "OTHER"
        },
        {
          "name": "Provide procalcitonin guideline to treating clinician",
          "type": "OTHER"
        },
        {
          "name": "Telephone Visit",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1664,
      "start_date": "2014-11-03",
      "completion_date": "2017-07-21",
      "has_results": true,
      "last_update_posted_date": "2019-01-15",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Orange, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Norwalk",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02130986"
    },
    {
      "nct_id": "NCT02310594",
      "title": "Anti-tumor Immune Response in Patients With Cancer Undergoing Radiation Therapy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 139,
      "start_date": "2010-07-08",
      "completion_date": "2022-08-09",
      "has_results": false,
      "last_update_posted_date": "2022-08-18",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02310594"
    },
    {
      "nct_id": "NCT01246479",
      "title": "Long Term Immunity and Safety Following Vaccination With the JEV IC51 (IXIARO®, JESPECT®) in Pediatric Population In Non Endemic Countries. Uncontrolled, Ph3 FU-Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Japanese Encephalitis"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "IC51 has given in the parent study IC51-322",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Valneva Austria GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "9 Months to 20 Years"
      },
      "enrollment_count": 23,
      "start_date": "2010-10",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-10-18T15:54:46.411Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01246479"
    }
  ]
}