{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+sample+collection&page=7",
    "query": {
      "intervention": "DNA sample collection",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 280,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+sample+collection&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+sample+collection&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T16:17:56.222Z",
  "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": "NCT02771769",
      "title": "Analysis of Cell-free DNA (cfDNA) in Men With Elevated PSA Levels",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Chronix Biomedical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "21 Years to 80 Years · Male only"
      },
      "enrollment_count": 500,
      "start_date": "2016-01",
      "completion_date": "2020-01-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Nashville, Tennessee",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02771769"
    },
    {
      "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": "2026-10-22T16:17:56.222Z",
      "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": "NCT04083261",
      "title": "Pharmacogenetic Variation: Factors That May Affect the Efficacy and Safety of Medical Marijuana",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "New York Medical Marijuana Program Qualifying Conditions"
      ],
      "interventions": [
        {
          "name": "DNA Genotek Oragene 600",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia Care Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 157,
      "start_date": "2019-07-11",
      "completion_date": "2020-03-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-10",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04083261"
    },
    {
      "nct_id": "NCT00695422",
      "title": "Detecting Anal and Genital Human Papillomavirus Infection and Squamous Intraepithelial Lesions in HIV-Positive Patients Enrolled in AIDS Cancer Clinical Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aids-related Malignancies",
        "Lymphoma",
        "Precancerous Condition",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "histological technique",
          "type": "OTHER"
        },
        {
          "name": "colposcopic biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2008-05-14",
      "completion_date": "2017-04-19",
      "has_results": false,
      "last_update_posted_date": "2020-08-10",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 10,
      "location_summary": "La Jolla, California • Los Angeles, California • San Francisco, California + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00695422"
    },
    {
      "nct_id": "NCT05837221",
      "title": "Microbiome in Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer",
        "Lip Cancer",
        "Oral Cancer",
        "Pharynx Cancer"
      ],
      "interventions": [
        {
          "name": "Metagenomic sequencing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Metabolic analysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-05-23",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05837221"
    },
    {
      "nct_id": "NCT06192875",
      "title": "A Novel Molecular Approach to Blood DNA Screening for Cancer: Specificity Assessment (The NOMAD Study)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphoid System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2015-09-28",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06192875"
    },
    {
      "nct_id": "NCT05242965",
      "title": "A Multiple Antigen Vaccine (STEMVAC) for the Treatment of Patients With Stage IV Non-Small Cell Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Stage IV Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "CD105/Yb-1/SOX2/CDH3/MDM2-polyepitope Plasmid DNA Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "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": "2023-03-24",
      "completion_date": "2032-11-21",
      "has_results": true,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 2,
      "location_summary": "Omaha, Nebraska • Seattle, Washington",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05242965"
    },
    {
      "nct_id": "NCT04550494",
      "title": "Measuring the Effects of Talazoparib in Patients With Advanced Cancer and DNA Repair Variations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Castration-Resistant Prostate Carcinoma",
        "Clinical Stage III Gastric Cancer AJCC v8",
        "Clinical Stage IV Gastric Cancer AJCC v8",
        "HER2-Positive Breast Carcinoma",
        "Locally Advanced Breast Carcinoma",
        "Locally Advanced Gastric Carcinoma",
        "Locally Advanced Malignant Solid Neoplasm",
        "Locally Advanced Ovarian Carcinoma",
        "Locally Advanced Pancreatic Carcinoma",
        "Locally Advanced Prostate Carcinoma",
        "Metastatic Breast Carcinoma",
        "Metastatic Gastric Carcinoma",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Ovarian Carcinoma",
        "Metastatic Pancreatic Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Platinum-Sensitive Ovarian Carcinoma",
        "Recurrent Breast Carcinoma",
        "Recurrent Gastric Carcinoma",
        "Recurrent Ovarian Carcinoma",
        "Recurrent Pancreatic Carcinoma",
        "Recurrent Prostate Carcinoma",
        "Stage II Pancreatic Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8",
        "Stage IV Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Talazoparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2021-04-26",
      "completion_date": "2027-07-27",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida • Bethesda, Maryland • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04550494"
    },
    {
      "nct_id": "NCT04410302",
      "title": "Patient-Derived Xenografts to Reduce Cancer Health Disparities",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Carcinoma",
        "Gastric Carcinoma",
        "Liver and Intrahepatic Bile Duct Carcinoma",
        "Lung Carcinoma",
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-11-12",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 2,
      "location_summary": "Orange, California • Sacramento, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04410302"
    },
    {
      "nct_id": "NCT06294873",
      "title": "Stool Sample Collection Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "A screening device for the detection of colorectal and other aerodigestive tract cancers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Innovis LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-07-20",
      "completion_date": "2024-04-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-22T16:17:56.222Z",
      "location_count": 3,
      "location_summary": "Anaheim, California • Ocala, Florida • Cordova, Tennessee",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Cordova",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06294873"
    }
  ]
}