{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=11",
    "query": {
      "intervention": "DNA Collection",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 419,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T10:50:35.610Z",
  "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": "NCT00339859",
      "title": "DNA Repair, p53 and Apoptosis Phenotypes in Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Neoplasms"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 5625,
      "start_date": "1995-06-02",
      "completion_date": "2020-05-06",
      "has_results": false,
      "last_update_posted_date": "2020-05-11",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00339859"
    },
    {
      "nct_id": "NCT05212779",
      "title": "Predicting the Risk of Ovarian Cancer Recurrence Using Circulating Tumor DNA to Assess Residual Disease",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epithelial Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Signatera testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Altera Testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 95 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2022-10-07",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-02-01",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05212779"
    },
    {
      "nct_id": "NCT00339443",
      "title": "Calibration of Urine pH Strips for NCI Case-Control Studies on Bladder Cancer and Comparison of DNA Yields From Buccal Cells Collected Through Two Different Methods",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Calibration"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 120,
      "start_date": "2001-11-06",
      "completion_date": "2010-05-19",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00339443"
    },
    {
      "nct_id": "NCT04374747",
      "title": "Fruit and Vegetable Intervention in Lactating Women to Reduce Breast Cancer Risk",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Female",
        "Inflammation",
        "Postpartum Weight Retention",
        "Diet, Healthy",
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Dietary Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Amherst",
      "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": 400,
      "start_date": "2019-10-24",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 1,
      "location_summary": "Amherst, Massachusetts",
      "locations": [
        {
          "city": "Amherst",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04374747"
    },
    {
      "nct_id": "NCT01434355",
      "title": "DNA Analysis in Samples From Younger Patients With Germ Cell Tumors and Their Parents or Siblings",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Malignant Ovarian Germ Cell Tumor",
        "Childhood Malignant Testicular Germ Cell Tumor",
        "Ovarian Choriocarcinoma",
        "Ovarian Embryonal Carcinoma",
        "Ovarian Mixed Germ Cell Tumor",
        "Ovarian Teratoma",
        "Ovarian Yolk Sac Tumor",
        "Testicular Choriocarcinoma",
        "Testicular Embryonal Carcinoma",
        "Testicular Seminoma",
        "Testicular Teratoma",
        "Testicular Yolk Sac Tumor"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "Up to 19 Years"
      },
      "enrollment_count": 932,
      "start_date": "2011-11-01",
      "completion_date": "2016-08-04",
      "has_results": false,
      "last_update_posted_date": "2019-01-07",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01434355"
    },
    {
      "nct_id": "NCT05181826",
      "title": "Collection of Blood From Healthy Patients, Patients With Benign Disease and Patients With Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Liver Cirrhosis",
        "Chronic Hepatitis",
        "Hepatitis B",
        "Hepatitis C",
        "Diabetes",
        "COPD"
      ],
      "interventions": [
        {
          "name": "Multi-analyte Blood Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Helio Genomics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1200,
      "start_date": "2019-05-21",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 7,
      "location_summary": "Redondo Beach, California • Coon Rapids, Minnesota • Fridley, Minnesota + 4 more",
      "locations": [
        {
          "city": "Redondo Beach",
          "state": "California"
        },
        {
          "city": "Coon Rapids",
          "state": "Minnesota"
        },
        {
          "city": "Fridley",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05181826"
    },
    {
      "nct_id": "NCT06958107",
      "title": "LCI-SAR-BSTS-CTDNA-001: Circulating Tumor DNA Liquid Biopsy in Sarcoma Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "Non-Metastatic and Resectable",
          "type": "OTHER"
        },
        {
          "name": "Metastatic and Un-resectable",
          "type": "OTHER"
        },
        {
          "name": "No evidence of disease, under surveillance",
          "type": "OTHER"
        },
        {
          "name": "ALT or WDLS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 300,
      "start_date": "2025-08-21",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06958107"
    },
    {
      "nct_id": "NCT03688347",
      "title": "Microbiome in Lung Cancer and Other Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Cancer",
        "Malignancy"
      ],
      "interventions": [
        {
          "name": "Nasal Swab",
          "type": "PROCEDURE"
        },
        {
          "name": "Oral Swab",
          "type": "PROCEDURE"
        },
        {
          "name": "Stool Collection",
          "type": "OTHER"
        },
        {
          "name": "Microbiome analysis",
          "type": "GENETIC"
        },
        {
          "name": "DNA Banking",
          "type": "GENETIC"
        },
        {
          "name": "Skin Swab",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Taher Abu Hejleh",
      "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": 44,
      "start_date": "2018-08-30",
      "completion_date": "2022-05-09",
      "has_results": false,
      "last_update_posted_date": "2022-05-11",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03688347"
    },
    {
      "nct_id": "NCT01870947",
      "title": "Assisted Exercise in Obese Endometrial Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage I Endometrial Adenocarcinoma",
        "Uterine Cancer",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Exercise on stationary recumbent exercise cycle",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neuroimaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Genetic and Biomarkers",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "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": 95,
      "start_date": "2011-09-07",
      "completion_date": "2019-09-04",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01870947"
    },
    {
      "nct_id": "NCT04825834",
      "title": "DNA Evaluation of Fragments for Early Interception - Lung Cancer Training Study (DELFI-L101 Study)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Head and Neck Cancer",
        "Esophageal Cancer",
        "Bladder Cancer",
        "Kidney Cancer",
        "Stomach Cancer",
        "Colorectal Cancer",
        "Pancreas Cancer",
        "Liver Cancer",
        "Skin Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Delfi Diagnostics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2992,
      "start_date": "2021-03-22",
      "completion_date": "2025-07-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-10-21T10:50:35.610Z",
      "location_count": 56,
      "location_summary": "Homewood, Alabama • Peoria, Arizona • Fayetteville, Arkansas + 49 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04825834"
    }
  ]
}