{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+sample+collection&page=12",
    "query": {
      "intervention": "DNA sample collection",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 280,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+sample+collection&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+sample+collection&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T12:12:31.514Z",
  "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": "NCT03199651",
      "title": "Beating Lung Cancer in Ohio Protocol in Improving Survival in Patients With Stage IV Non-Small Cell Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Current Smoker",
        "Lung Adenocarcinoma",
        "Squamous Cell Lung Carcinoma",
        "Stage IV Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University 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": 3584,
      "start_date": "2017-07-17",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03199651"
    },
    {
      "nct_id": "NCT03952637",
      "title": "A Phase 1/2 Study of Intravenous Gene Transfer With an AAV9 Vector Expressing Human Beta-galactosidase in Type I and Type II GM1 Gangliosidosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lysosomal Diseases",
        "Gangliosidosis",
        "GM1"
      ],
      "interventions": [
        {
          "name": "AAV9-GLB1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Abdominal ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Audiology assessment with ABR",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone density scan (DEXA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram (EKG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electroencephalogram (EEG) awake and extended overnight",
          "type": "OTHER"
        },
        {
          "name": "Laboratory tests",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumbar puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Brain MRI/MRS/fMRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Neurocognitive testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neurology exam",
          "type": "OTHER"
        },
        {
          "name": "PICC or other Central line placement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skeletal survey",
          "type": "PROCEDURE"
        },
        {
          "name": "Skin biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Speech and modified barium swallow study",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmology exam",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Months to 12 Years"
      },
      "enrollment_count": 54,
      "start_date": "2019-08-19",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952637"
    },
    {
      "nct_id": "NCT01546324",
      "title": "Collection of Maternal Blood Samples for Development of Non-invasive Prenatal Diagnostic Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Following IVF With PGS/PGD"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2012-02",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-08-12",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01546324"
    },
    {
      "nct_id": "NCT02912559",
      "title": "Combination Chemotherapy With or Without Atezolizumab in Treating Patients With Stage III Colon Cancer and Deficient DNA Mismatch Repair",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colon Adenocarcinoma",
        "DNA Repair Disorder",
        "Lynch Syndrome",
        "Stage III Colon Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 712,
      "start_date": "2017-10-16",
      "completion_date": "2026-12-18",
      "has_results": true,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 1026,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Phoenix, Arizona + 683 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02912559"
    },
    {
      "nct_id": "NCT03534063",
      "title": "Implementing Genomics in Practice (IGNITE): CYP2D6 Genotype-Guided Pain Management in Patients Undergoing Arthroplasty Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "CYP2D6-guided opioid therapy",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 260,
      "start_date": "2018-06-07",
      "completion_date": "2020-04-29",
      "has_results": true,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 3,
      "location_summary": "Gainesville, Florida • Summerfield, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Summerfield",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03534063"
    },
    {
      "nct_id": "NCT04574635",
      "title": "Human Papilloma Virus (HPV) Circulating Tumor DNA (ctDNA) in Cervical Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Adenosquamous Carcinoma",
        "Cervical Squamous Cell Carcinoma, Not Otherwise Specified",
        "Infiltrating Cervical Carcinoma",
        "Metastatic Cervical Carcinoma",
        "Recurrent Cervical Carcinoma",
        "Stage I Cervical Cancer FIGO 2018",
        "Stage IA Cervical Cancer FIGO 2018",
        "Stage IA1 Cervical Cancer FIGO 2018",
        "Stage IA2 Cervical Cancer FIGO 2018",
        "Stage IB Cervical Cancer FIGO 2018",
        "Stage IB1 Cervical Cancer AJCC v8",
        "Stage IB2 Cervical Cancer FIGO 2018",
        "Stage IB3 Cervical Cancer FIGO 2018",
        "Stage II Cervical Cancer FIGO 2018",
        "Stage IIA Cervical Cancer FIGO 2018",
        "Stage IIA1 Cervical Cancer FIGO 2018",
        "Stage IIA2 Cervical Cancer FIGO 2018",
        "Stage IIB Cervical Cancer FIGO 2018",
        "Stage III Cervical Cancer FIGO 2018",
        "Stage IIIA Cervical Cancer FIGO 2018",
        "Stage IIIB Cervical Cancer FIGO 2018",
        "Stage IIIC Cervical Cancer FIGO 2018",
        "Stage IIIC1 Cervical Cancer FIGO 2018",
        "Stage IIIC2 Cervical Cancer FIGO 2018",
        "Stage IV Cervical Cancer FIGO 2018",
        "Stage IVA Cervical Cancer FIGO 2018",
        "Stage IVB Cervical Cancer FIGO 2018"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2020-11-17",
      "completion_date": "2027-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Rochester, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04574635"
    },
    {
      "nct_id": "NCT02441140",
      "title": "Detection of Tumor Associated Cell-free DNA in Peritoneal Fluid Obtained by Culdocentesis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage III Ovarian Cancer",
        "Stage IV Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Culdocentesis",
          "type": "PROCEDURE"
        },
        {
          "name": "Vaginal Swab",
          "type": "PROCEDURE"
        },
        {
          "name": "Chromopertubation",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Tissue collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 5,
      "start_date": "2015-05",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2020-05-04",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02441140"
    },
    {
      "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": "2026-10-23T12:12:31.514Z",
      "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": "NCT05281692",
      "title": "Comparison of EPM-IX to Currently Used Specimen Transportation and Extraction Devices ( CGI-EPM-IX )",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "Enhanced Preservation Media (EPM-IX)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Convergent Genomics, Inc.",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2022-02-02",
      "completion_date": "2022-03-21",
      "has_results": false,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05281692"
    },
    {
      "nct_id": "NCT02871050",
      "title": "Castleman Disease Collaborative Network Biobank",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Castleman Disease",
        "Castleman's Disease",
        "Giant Lymph Node Hyperplasia",
        "Angiofollicular Lymph Hyperplasia",
        "Angiofollicular Lymph Node Hyperplasia",
        "Angiofollicular Lymphoid Hyperplasia",
        "GLNH",
        "Hyperplasia",
        "Giant Lymph Node"
      ],
      "interventions": [
        {
          "name": "Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Castleman Disease Collaborative Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2016-06",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2018-07-31",
      "last_synced_at": "2026-10-23T12:12:31.514Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02871050"
    }
  ]
}