{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=4",
    "query": {
      "intervention": "DNA Collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 419,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T19:15:52.321Z",
  "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": "NCT01057459",
      "title": "DNA Analysis in Predicting Response to Antibody Therapy in Patients With Follicular Lymphoma Treated on Clinical Trials CALGB-50402 or CALGB-50701",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 78,
      "start_date": "2010-02",
      "completion_date": "2014-06-23",
      "has_results": false,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01057459"
    },
    {
      "nct_id": "NCT04057742",
      "title": "AlloSure for the Monitoring of Antibody Mediated Processes After Kidney Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "AlloSure ddcfDNA assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "AlloMap assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Inflammatory Cytokines",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Immune Cell Phenotypes",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 52,
      "start_date": "2019-10-07",
      "completion_date": "2024-04-07",
      "has_results": false,
      "last_update_posted_date": "2024-09-03",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04057742"
    },
    {
      "nct_id": "NCT03817905",
      "title": "Incomplete Follow Up After Positive FIT or Stool DNA Testing: A Multimethod Approach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Positive FIT or Stool DNA Testing Follow up"
      ],
      "interventions": [
        {
          "name": "Patient navigator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 5,
      "start_date": "2019-09-01",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03817905"
    },
    {
      "nct_id": "NCT07217522",
      "title": "Rutgers University Study of the Genetics of Pulmonary Hypertension",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Pulmonary Arterial Hypertension",
        "Pulmonary Arterial Hypertension (PAH) (WHO Group 1 PH)",
        "Pulmonary Arterial Hypertension Associated With Connective Tissue Disease",
        "Pulmonary Arterial Hypertension Associated With Connective Tissue Disease (Disorder)",
        "Pulmonary Arterial Hypertension Associated With Schistosomiasis (Disorder)",
        "Pulmonary Arterial Hypertension of Congenital Heart Disease",
        "Pulmonary Arterial and Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Saliva sample",
          "type": "GENETIC"
        },
        {
          "name": "Health surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2025-08-23",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217522"
    },
    {
      "nct_id": "NCT07401316",
      "title": "Circulating Tumor DNA in Stage I, II, and III Germ-Cell Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Germ Cell Cancer Metastatic"
      ],
      "interventions": [
        {
          "name": "Whole blood for ctDNA",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2026-06-03",
      "completion_date": "2032-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07401316"
    },
    {
      "nct_id": "NCT04099290",
      "title": "Circulating Tumor DNA (ctDNA) in Locally Advanced Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Neoplasm",
        "Carcinoma, Squamous Cell"
      ],
      "interventions": [
        {
          "name": "Blood and tumor samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger 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": 50,
      "start_date": "2020-01-14",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04099290"
    },
    {
      "nct_id": "NCT06172374",
      "title": "A Study Providing Genetic Testing to Find Those Who May Have Primary Ciliary Dyskinesia for Potential Clinical Trials",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Ciliary Dyskinesia"
      ],
      "interventions": [
        {
          "name": "Sano Genetics Testing Kit",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "ReCode Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2023-08-31",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-11",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Menlo Park, California",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172374"
    },
    {
      "nct_id": "NCT03622385",
      "title": "Exploration of DNA Methylation as a Marker for Early Detection of High Grade Serous Epithelial Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epithelial Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "DNA Methylation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2019-02-19",
      "completion_date": "2021-09-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03622385"
    },
    {
      "nct_id": "NCT00898274",
      "title": "Study of Blood Samples From Older Patients at High Risk of Developing Prostate Cancer and From Healthy Male Participants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Precancerous Condition",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "45 Years to 65 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2008-01",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2016-03-09",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 3,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898274"
    },
    {
      "nct_id": "NCT02055742",
      "title": "Detection of Chlamydia (CT) and Gonorrhea (NG)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chlamydia",
        "Gonorrhea"
      ],
      "interventions": [
        {
          "name": "illumigene CT and NG assays, illumipro-10",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Meridian Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "14 Years to 89 Years"
      },
      "enrollment_count": 700,
      "start_date": "2014-03-01",
      "completion_date": "2014-09-09",
      "has_results": false,
      "last_update_posted_date": "2017-12-07",
      "last_synced_at": "2026-10-20T19:15:52.321Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Fall River, Massachusetts • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Fall River",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02055742"
    }
  ]
}