{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+and+DNA+Samples",
    "query": {
      "intervention": "Serum and DNA Samples"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+and+DNA+Samples&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T16:47:55.346Z",
  "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": "NCT00897208",
      "title": "Studying Biomarkers in Nipple Fluid, Urine, and Blood Samples From Women With Newly Diagnosed Ductal Carcinoma In Situ or Stage I or Stage II Breast Cancer and in Women at Risk of Developing Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "evaluation of cancer risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 80 Years · Female only"
      },
      "enrollment_count": 316,
      "start_date": "2005-05-20",
      "completion_date": "2015-06-30",
      "has_results": false,
      "last_update_posted_date": "2018-10-05",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00897208"
    },
    {
      "nct_id": "NCT00898391",
      "title": "Study of DNA in Blood Samples From Patients With Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Disseminated Neuroblastoma",
        "Localized Resectable Neuroblastoma",
        "Localized Unresectable Neuroblastoma",
        "Recurrent Neuroblastoma",
        "Regional Neuroblastoma",
        "Stage 4S Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "polyacrylamide gel electrophoresis",
          "type": "GENETIC"
        },
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 329,
      "start_date": "2007-06",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-05-18",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898391"
    },
    {
      "nct_id": "NCT01098552",
      "title": "Participation in Procurement of Tissue, Serum, Plasma, Cell Bank, DNA and RNA Samples, and Urine for Biological Studies Related to Prostate Cancer and Prostate Cancer Treatment Follow Up",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 4900,
      "start_date": "2010-02",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2013-01-11",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01098552"
    },
    {
      "nct_id": "NCT01144507",
      "title": "Prediction by Ultrasound of the Risk of Hepatic Cirrhosis in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis",
        "Pancreatic Insufficiency"
      ],
      "interventions": [
        {
          "name": "Abdominal Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Sample collection procedures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "3 Years to 12 Years"
      },
      "enrollment_count": 774,
      "start_date": "2010-01-12",
      "completion_date": "2023-06-14",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 10,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia • Chicago, Illinois + 7 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01144507"
    },
    {
      "nct_id": "NCT00296114",
      "title": "Pancreatic Cancer Serum and DNA Repository",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreas Cancer"
      ],
      "interventions": [
        {
          "name": "Serum and DNA Samples",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pancreatic Cancer Research Team",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 690,
      "start_date": "2004-02",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-05-01",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 9,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • Los Angeles, California + 6 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00296114"
    },
    {
      "nct_id": "NCT01327794",
      "title": "Relationship Between Vitamin D Biomarkers and Survival in Blood Samples From Patients With Advanced Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "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": 265,
      "start_date": "2011-06",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2016-06-29",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 1,
      "location_summary": "Glens Falls, New York",
      "locations": [
        {
          "city": "Glens Falls",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01327794"
    },
    {
      "nct_id": "NCT03532217",
      "title": "Neoantigen DNA Vaccine in Combination With Nivolumab/Ipilimumab and PROSTVAC in Metastatic Hormone-Sensitive Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Hormone-Sensitive Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "PROSTVAC-V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PROSTVAC-F",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Neoantigen DNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TriGrid Delivery System",
          "type": "DEVICE"
        },
        {
          "name": "Tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral blood",
          "type": "PROCEDURE"
        },
        {
          "name": "Fecal samples",
          "type": "PROCEDURE"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 19,
      "start_date": "2018-09-14",
      "completion_date": "2022-07-25",
      "has_results": false,
      "last_update_posted_date": "2022-08-05",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03532217"
    },
    {
      "nct_id": "NCT00981097",
      "title": "Study of Blood and Tissue Samples From Patients With Aggressive Non-Hodgkin B-Cell Lymphoma or Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma",
        "Nonneoplastic Condition"
      ],
      "interventions": [
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "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": 52,
      "start_date": "2009-08",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2020-08-07",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 16,
      "location_summary": "La Jolla, California • Los Angeles, California • Sacramento, California + 11 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00981097"
    },
    {
      "nct_id": "NCT02014415",
      "title": "Alpha-1 Antitrypsin Deficiency Adult Liver Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha-1 Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "Liver Biopsy (Biopsy Group Only)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2013-12",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-15T16:47:55.346Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Boston, Massachusetts • St Louis, Missouri",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02014415"
    },
    {
      "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": "2026-09-15T16:47:55.346Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00855556"
    }
  ]
}