{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sampling+%28controls%29&page=2",
    "query": {
      "intervention": "Blood sampling (controls)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+sampling+%28controls%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T14:33:45.051Z",
  "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": "NCT03025763",
      "title": "Network Of Clinical Research Studies On Craniosynostosis, Skull Malformations With Premature Fusion Of Skull Bones",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Craniosynostosis"
      ],
      "interventions": [
        {
          "name": "Craniosynostosis Network Environmental Survey",
          "type": "OTHER"
        },
        {
          "name": "2D/3D Photography",
          "type": "OTHER"
        },
        {
          "name": "Buccal Swab Cell Sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Skin Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Tissues from a Clinically Indicated Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Pre-operative CT Scan Image Files.",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "Up to 80 Years"
      },
      "enrollment_count": 2145,
      "start_date": "2015-01-13",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-02",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 15,
      "location_summary": "Davis, California • Hartford, Connecticut • Chicago, Illinois + 10 more",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03025763"
    },
    {
      "nct_id": "NCT04198753",
      "title": "Skin Characteristics of Parents of Food Allergic Pediatric Patients",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Food Allergy in Children"
      ],
      "interventions": [
        {
          "name": "Skin tape stripping",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin barrier assessment",
          "type": "DEVICE"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2020-01-23",
      "completion_date": "2020-10-06",
      "has_results": false,
      "last_update_posted_date": "2020-04-13",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04198753"
    },
    {
      "nct_id": "NCT03225677",
      "title": "Novel Tracer Methods to Evaluate Muscle Protein Metabolism in Cirrhosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cirrhosis"
      ],
      "interventions": [
        {
          "name": "blood draw and muscle biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2017-08-03",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03225677"
    },
    {
      "nct_id": "NCT03858777",
      "title": "Cell Free DNA in Cardiac Sarcoidosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcoidosis With Myocarditis",
        "Sarcoidosis",
        "Healthy",
        "ST Elevation Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "cell free DNA",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nabeel Hamzeh",
      "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": "2019-05-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03858777"
    },
    {
      "nct_id": "NCT06657209",
      "title": "Normal-weight Diabetes: Adipocyte-directed Therapy With Pioglitazone or Tirzepatide",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Diabetes",
        "Type 2 Diabetes",
        "Pre Diabetes"
      ],
      "interventions": [
        {
          "name": "Insulin resistance testing",
          "type": "PROCEDURE"
        },
        {
          "name": "OGTT",
          "type": "PROCEDURE"
        },
        {
          "name": "Fat biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "DXA scan",
          "type": "RADIATION"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "1H-MRS",
          "type": "PROCEDURE"
        },
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        },
        {
          "name": "Pioglitazone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 104,
      "start_date": "2025-01-13",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Stanford, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06657209"
    },
    {
      "nct_id": "NCT04583878",
      "title": "FUVID Study: Functional Characterization of Children With Chronic Venous Thromboembolic Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Deep Venous Thrombosis",
        "Pulmonary Embolism"
      ],
      "interventions": [
        {
          "name": "Blood draw (Visit 1)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw (Visits 2 and 3)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "8 Years to 21 Years"
      },
      "enrollment_count": 115,
      "start_date": "2020-12-22",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 14,
      "location_summary": "Little Rock, Arkansas • St. Petersburg, Florida • Atlanta, Georgia + 11 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04583878"
    },
    {
      "nct_id": "NCT02535182",
      "title": "Pilot Study Using Propranolol To Promote Prenylation Of Gtpase Rap1b In Hematopoietic Stem Cell Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-08",
      "completion_date": "2020-02",
      "has_results": false,
      "last_update_posted_date": "2020-02-26",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02535182"
    },
    {
      "nct_id": "NCT02155933",
      "title": "Assessment of Day-night Secretion of Progesterone and LH Across Puberty",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Puberty",
        "Hyperandrogenism"
      ],
      "interventions": [
        {
          "name": "Blood sampling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "7 Years to 17 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2008-07-10",
      "completion_date": "2025-02",
      "has_results": false,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02155933"
    },
    {
      "nct_id": "NCT03427450",
      "title": "Harvest of CTCs From MBC Patients Using the Parsortix™ PC1 System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers",
        "Breast Cancer, Metastatic"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Angle plc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "22 Years and older · Female only"
      },
      "enrollment_count": 421,
      "start_date": "2018-03-29",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-06-05",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Rochester, New York + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03427450"
    },
    {
      "nct_id": "NCT04508088",
      "title": "Skeletal Health and Bone Marrow Composition in Newly Diagnosed Adolescents With Crohn Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Disease",
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "Coronal T1 weighted spin echo images",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Spin-lattice relaxation (T1)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Magnetic resonance spectroscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 92,
      "start_date": "2020-09-10",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-09-25T14:33:45.051Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04508088"
    }
  ]
}