{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=13",
    "query": {
      "intervention": "DNA Collection",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 419,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+Collection&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T12:00:40.362Z",
  "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": "NCT00823368",
      "title": "Biomarker Testing and DNA Collection in Subjects Participating in Protocol 22001",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "STX209",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seaside Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "6 Years to 40 Years"
      },
      "enrollment_count": null,
      "start_date": "2009-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-07-31",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Sacramento, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823368"
    },
    {
      "nct_id": "NCT06334354",
      "title": "A Study of Changes in Thinking Related to Aging and Cancer in Breast Cancer Survivors (TRAC)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer Survivors"
      ],
      "interventions": [
        {
          "name": "Assessments",
          "type": "OTHER"
        },
        {
          "name": "Assessment (Survivors Only)",
          "type": "OTHER"
        },
        {
          "name": "APOE and DNA Isolation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 80 Years · Female only"
      },
      "enrollment_count": 420,
      "start_date": "2024-05-10",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06334354"
    },
    {
      "nct_id": "NCT00866151",
      "title": "A to Z Study Follow-up: Collection of DNA Data From Buccal Swabs",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Weight Management",
        "Diet Conditions",
        "Dietary Recommendations",
        "Overweight Management",
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Interleukin Genetics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 50 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2008-08",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2009-03-20",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00866151"
    },
    {
      "nct_id": "NCT01050504",
      "title": "Collecting and Studying Blood and Tissue Samples From Patients With Locally Recurrent or Metastatic Prostate or Bladder/Urothelial Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Localized Renal Pelvis and Ureter Urothelial Carcinoma",
        "Malignant Solid Neoplasm",
        "Metastatic Malignant Neoplasm in the Bone",
        "Metastatic Malignant Neoplasm in the Soft Tissues",
        "Metastatic Renal Pelvis and Ureter Urothelial Carcinoma",
        "Recurrent Bladder Carcinoma",
        "Recurrent Prostate Carcinoma",
        "Recurrent Renal Pelvis and Ureter Urothelial Carcinoma",
        "Stage IV Bladder Cancer AJCC v7",
        "Stage IV Bladder Urothelial Carcinoma AJCC v7",
        "Stage IV Prostate Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1500,
      "start_date": "2009-08",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01050504"
    },
    {
      "nct_id": "NCT05541016",
      "title": "De-Escalated Adjuvant and Definitive Radiation Therapy Informed by DART 2.0 ctHPV-DNA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Human Papillomavirus-Related Oropharyngeal Squamous Cell Carcinoma",
        "Stage I Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage II Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage III Oropharyngeal (p16-Negative) Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Diffusing Alpha-emitter Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Proton Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Modified Barium Swallow Study",
          "type": "PROCEDURE"
        },
        {
          "name": "Observation Activity",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 455,
      "start_date": "2023-03-20",
      "completion_date": "2029-09-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541016"
    },
    {
      "nct_id": "NCT00611598",
      "title": "DNA Repair and Genetic Susceptibility to Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Single Primary Lung Cancer",
        "Second Primary Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Blood draw and Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 218,
      "start_date": "2003-02-11",
      "completion_date": "2023-03-24",
      "has_results": false,
      "last_update_posted_date": "2023-03-29",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00611598"
    },
    {
      "nct_id": "NCT01198171",
      "title": "Racial and Genetic Biomarkers of Response in Tissue Samples From Patients With Endometrial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stage I Uterine Corpus Cancer",
        "Stage II Uterine Corpus Cancer",
        "Stage III Uterine Corpus Cancer",
        "Stage IV Uterine Corpus Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Study of Socioeconomic and Demographic Variables",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 243,
      "start_date": "2010-01",
      "completion_date": "2017-02",
      "has_results": false,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01198171"
    },
    {
      "nct_id": "NCT00855556",
      "title": "Parkinson's Disease Genetics Database",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-02",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2015-09-16",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00855556"
    },
    {
      "nct_id": "NCT04761783",
      "title": "BESPOKE Study of ctDNA Guided Immunotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Melanoma",
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 290,
      "start_date": "2021-05-28",
      "completion_date": "2024-03-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-15",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "San Carlos, California",
      "locations": [
        {
          "city": "San Carlos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04761783"
    },
    {
      "nct_id": "NCT03108885",
      "title": "Measuring Cell Free DNA During the Course of Treatment for Esophageal Cancer as a Marker of Response and Recurrence",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Esophageal Neoplasm",
        "Esophageal Neoplasms Malignancy Unspecified",
        "Esophageal Neoplasms Malignant",
        "Cancer of Esophagus",
        "Cancer of the Esophagus",
        "Esophageal Cancer",
        "Esophagus Cancer",
        "Neoplasm, Esophageal"
      ],
      "interventions": [
        {
          "name": "Blood and Tissue Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2017-10-01",
      "completion_date": "2020-05-25",
      "has_results": false,
      "last_update_posted_date": "2024-03-22",
      "last_synced_at": "2026-10-21T12:00:40.362Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03108885"
    }
  ]
}