{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=36",
    "query": {
      "intervention": "Blood samples collected",
      "page": 36
    },
    "page_size": 10
  },
  "pagination": {
    "page": 36,
    "page_size": 10,
    "total_count": 4260,
    "total_pages": 426,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=37&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=35&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T08:02:41.868Z",
  "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": "NCT04436120",
      "title": "Treatment Resistance Following Anti-cancer Therapies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disease Progression"
      ],
      "interventions": [
        {
          "name": "De novo tumor tissue biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Research blood draws",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2019-02-13",
      "completion_date": "2020-12-14",
      "has_results": true,
      "last_update_posted_date": "2024-12-03",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 17,
      "location_summary": "Daphne, Alabama • Mobile, Alabama • Anchorage, Alaska + 10 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04436120"
    },
    {
      "nct_id": "NCT00162123",
      "title": "A Companion Study for Patients Enrolled in Prior/Parent Ipilimumab Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 248,
      "start_date": "2006-05",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2016-07-27",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 19,
      "location_summary": "Tucson, Arizona • Laverne, California • Los Angeles, California + 15 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Laverne",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00162123"
    },
    {
      "nct_id": "NCT07374796",
      "title": "Signature Development and Validation Protocol for an Epigenetic Assay in Diagnosing Breast Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer (Locally Advanced or Metastatic)",
        "Healthy Volunteers (HV)",
        "Unhealthy Volunteers",
        "Breast Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Epigenetic Assay",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2026-12",
      "completion_date": "2033-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 1,
      "location_summary": "Glen Burnie, Maryland",
      "locations": [
        {
          "city": "Glen Burnie",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07374796"
    },
    {
      "nct_id": "NCT03042962",
      "title": "Brain Networks in Dystonia",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spasmodic Dysphonia",
        "Singer's Dystonia",
        "Writer's Cramp",
        "Musician's Focal Hand Dystonia",
        "Craniofacial Dystonia",
        "Blepharospasm Oromandibular Dystonia"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 141,
      "start_date": "2015-08-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03042962"
    },
    {
      "nct_id": "NCT05738213",
      "title": "Puberty, Sex Hormones and Pain Sensitivity in Adolescents With Migraine",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Thermal stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pressure stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pain ratings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pressure pain thresholds (PPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conditioned pain modulation (CPM) response",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PedMIDAS (Pediatric Migraine Disability Assessment)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hormonal assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pubertal status",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "11 Years to 15 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-01-10",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05738213"
    },
    {
      "nct_id": "NCT00926523",
      "title": "Biomarkers in the Evaluation of Chronic Lung Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension",
        "Interstitial Lung Disease"
      ],
      "interventions": [
        {
          "name": "Blood Gas",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Exercise Test",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "OTHER"
        },
        {
          "name": "Breath Condensate Collector",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2009-06",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2011-05-27",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00926523"
    },
    {
      "nct_id": "NCT05188586",
      "title": "New Onset Diabetes Management for Earlier Detection of Pancreatic Cancer (NODMED)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "MRI/Imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ClearNote Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2022-10-31",
      "completion_date": "2023-03-16",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 5,
      "location_summary": "Scottsdale, Arizona • Atlantis, Florida • Greenville, South Carolina + 2 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        },
        {
          "city": "Shavano Park",
          "state": "Texas"
        },
        {
          "city": "Manassas",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05188586"
    },
    {
      "nct_id": "NCT00616369",
      "title": "Identification of Genetic Markers for Cardiopulmonary Diseases (Genotype)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 255,
      "start_date": "2008-01",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2016-01-11",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00616369"
    },
    {
      "nct_id": "NCT01752166",
      "title": "Detecting Infections Rapidly and Easily for Candidemia Trial - Part 2 (direcT2 Study)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Candidemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "T2 Biosystems",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 1500,
      "start_date": "2013-07",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-05-26",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Augusta, Georgia • Detroit, Michigan + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01752166"
    },
    {
      "nct_id": "NCT03334708",
      "title": "A Study of Blood Based Biomarkers for Pancreas Adenocarcinoma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Pancreatic Diseases",
        "Pancreatitis",
        "Pancreatic Cyst"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tumor Tissue Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cyst Fluid",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2017-10-30",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-15T08:02:41.868Z",
      "location_count": 10,
      "location_summary": "Middletown, New Jersey • Montvale, New Jersey • Cold Spring Harbor, New York + 4 more",
      "locations": [
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Cold Spring Harbor",
          "state": "New York"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03334708"
    }
  ]
}