{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Genotype&page=4",
    "query": {
      "intervention": "Genotype",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 821,
    "total_pages": 83,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Genotype&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Genotype&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T19:02:23.939Z",
  "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": "NCT02691728",
      "title": "Study to Investigate the Efficacy and Safety of Ledipasvir/Sofosbuvir Fixed-Dose Combination for 12 Weeks in Subjects With Chronic Genotype 1 and 4 HCV Infection With Autoimmune Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Hepatitis C"
      ],
      "interventions": [
        {
          "name": "LDV/SOF FDC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Peter J. Ruane, M.D., Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2016-02",
      "completion_date": "2017-05",
      "has_results": false,
      "last_update_posted_date": "2016-02-25",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02691728"
    },
    {
      "nct_id": "NCT00005098",
      "title": "Study of Genotype and Phenotype in Patients With Alpha 1-Antitrypsin Deficiency",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha 1-Antitrypsin Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "1999-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005098"
    },
    {
      "nct_id": "NCT06355934",
      "title": "OverTTuRe: Characteristics, Treatment Patterns and Outcomes of Patients With ATTR Amyloidosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ATTR Amyloidosis"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 52121,
      "start_date": "2023-08-21",
      "completion_date": "2026-11-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Eden Prairie, Minnesota",
      "locations": [
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06355934"
    },
    {
      "nct_id": "NCT01054716",
      "title": "Evaluation of a Noninvasive Fetal RHD Genotyping Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rhesus D Genotype"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sequenom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 500,
      "start_date": "2009-05",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2011-09-05",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Grand Rapids, Michigan",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01054716"
    },
    {
      "nct_id": "NCT00919633",
      "title": "Safety and Efficacy Study to Compare Continuous Infusion of Interferon With Standard of Care for Chronic Hepatitis C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "interferon alfa-2b",
          "type": "DRUG"
        },
        {
          "name": "peginterferon alfa-2b",
          "type": "DRUG"
        },
        {
          "name": "ribavirin, USP",
          "type": "DRUG"
        },
        {
          "name": "external drug infusion pump",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Medtronic Corporate Technologies and New Ventures",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 116,
      "start_date": "2009-06",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2019-10-09",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919633"
    },
    {
      "nct_id": "NCT01221298",
      "title": "A Pilot Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Antiviral Activity of ABT-450 With Ritonavir (ABT-450/r) Dosed in Combination With ABT-072 and Ribavirin (RBV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatitis C",
        "HCV",
        "Chronic Hepatitis C Infection",
        "Hepatitis C Genotype 1"
      ],
      "interventions": [
        {
          "name": "ABT-450",
          "type": "DRUG"
        },
        {
          "name": "ABT-072",
          "type": "DRUG"
        },
        {
          "name": "Ribavirin",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 11,
      "start_date": "2010-10",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2015-01-08",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Chicago, Illinois • San Antonio, Texas + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01221298"
    },
    {
      "nct_id": "NCT01288222",
      "title": "Selecting a Favorable KIR Donor in Unrelated HCT for AML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "KIR genotype",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 506,
      "start_date": "2011-06",
      "completion_date": "2020-04",
      "has_results": false,
      "last_update_posted_date": "2021-03-11",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 19,
      "location_summary": "Scottsdale, Arizona • Denver, Colorado • Atlanta, Georgia + 16 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288222"
    },
    {
      "nct_id": "NCT00004351",
      "title": "Study of Phenotype and Genotype Correlations in Patients With Contiguous Gene Deletion Syndromes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Williams Syndrome",
        "Angelman Syndrome",
        "Prader-Willi Syndrome",
        "Shprintzen Syndrome",
        "Smith-Magenis Syndrome",
        "DiGeorge Syndrome",
        "Chromosome Abnormalities"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "1999-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004351"
    },
    {
      "nct_id": "NCT06943586",
      "title": "Pharmacogenomics in Stroke: Feasibility of CYP2C19 Testing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Transient Ischemic Attack (TIA)"
      ],
      "interventions": [
        {
          "name": "CYP2C19 Genotype Guided DAPT (dual antiplatelet therapy)",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 200,
      "start_date": "2025-04-09",
      "completion_date": "2029-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06943586"
    },
    {
      "nct_id": "NCT05910853",
      "title": "Whole Blood Biospecimen Collection for Subjects With Fanconi Anemia",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fanconi Anemia"
      ],
      "interventions": [
        {
          "name": "Specimen Donation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 4,
      "start_date": "2023-05-24",
      "completion_date": "2024-03-12",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-17T19:02:23.939Z",
      "location_count": 1,
      "location_summary": "Woburn, Massachusetts",
      "locations": [
        {
          "city": "Woburn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05910853"
    }
  ]
}