{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whole+blood+for+genotyping&page=2",
    "query": {
      "intervention": "Whole blood for genotyping",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 90,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whole+blood+for+genotyping&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whole+blood+for+genotyping&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T00:20:41.160Z",
  "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": "NCT03019757",
      "title": "Distinguishing Between Alzheimer's Disease, Lewy Body Dementia, and Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Lewy Body Dementia",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "DaTscan",
          "type": "RADIATION"
        },
        {
          "name": "F18-AV-45",
          "type": "RADIATION"
        },
        {
          "name": "FDG-PET",
          "type": "RADIATION"
        },
        {
          "name": "APOE genotype",
          "type": "GENETIC"
        },
        {
          "name": "Polysomnogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Clinical Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "GENETIC",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Douglas Scharre",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2018-08-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03019757"
    },
    {
      "nct_id": "NCT00048971",
      "title": "Genetic Trial to Study Diarrhea in Patients With Stage III Colon Cancer Who Are Receiving Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Diarrhea",
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymorphic microsatellite marker analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 308,
      "start_date": "2002-04",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 82,
      "location_summary": "Anniston, Alabama • La Jolla, California • Los Angeles, California + 58 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048971"
    },
    {
      "nct_id": "NCT06839833",
      "title": "APOL1 Genotyping CTA Clinical Performance Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "APOL1-mediated Kidney Disease"
      ],
      "interventions": [
        {
          "name": "APOL1 Genotyping",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Almac Diagnostic Services LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2025-03-06",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06839833"
    },
    {
      "nct_id": "NCT02972385",
      "title": "Pharmacogenomics of Warfarin in Hispanics and Latinos",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thrombosis",
        "Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Mouthwash sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2016-09",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2024-06-27",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02972385"
    },
    {
      "nct_id": "NCT03637998",
      "title": "Physical Activity on Neurophysiologic Gene Expression Profiles of Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Low Back Pain",
        "Self-Management"
      ],
      "interventions": [
        {
          "name": "Problem-solving Pain to Enhance Living Well (PROPEL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-09-21",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03637998"
    },
    {
      "nct_id": "NCT02293096",
      "title": "Pharmacogenetic Prediction of Metoprolol Effectiveness",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "metoprolol succinate",
          "type": "DRUG"
        },
        {
          "name": "Genotyping",
          "type": "GENETIC"
        },
        {
          "name": "CYP2D6 Phenotyping",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 462,
      "start_date": "2014-09",
      "completion_date": "2017-08-23",
      "has_results": true,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02293096"
    },
    {
      "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": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00616369"
    },
    {
      "nct_id": "NCT00589225",
      "title": "Primary Hyperoxaluria Mutation Genotyping",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "Genetic Analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 902,
      "start_date": "2003-12",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2016-07-07",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00589225"
    },
    {
      "nct_id": "NCT04857528",
      "title": "Detecting HPV DNA in Anal and Cervical Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Cancer",
        "Anal Cancer",
        "HPV-Related Anal Squamous Cell Carcinoma",
        "HPV-Related Cervical Carcinoma",
        "HPV-Related Carcinoma",
        "Uterine Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation Treatment With or Without Chemotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "HPV Genotyping (HPV DNA Test)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Testing Archival Tumor Tissue",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Physical Exam",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography Scan (PET Scan)/ Computed Tomography Scan (CT Scan)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2020-10-06",
      "completion_date": "2027-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04857528"
    },
    {
      "nct_id": "NCT03092037",
      "title": "Pharmacogenomics of Contraception: Genetic Variants and Etonogestrel Pharmacokinetics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 900,
      "start_date": "2017-03-23",
      "completion_date": "2022-04-29",
      "has_results": false,
      "last_update_posted_date": "2022-08-16",
      "last_synced_at": "2026-10-03T00:20:41.160Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03092037"
    }
  ]
}