{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+for+cfDNA&page=2",
    "query": {
      "intervention": "Blood for cfDNA",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+for+cfDNA&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T14:19:25.250Z",
  "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": "NCT01429389",
      "title": "Specimen Collection From Pregnant Women at Increased Risk for Fetal Aneuploidy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome",
        "Fetal Aneuploidy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sequenom, 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": 2000,
      "start_date": "2011-05",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01429389"
    },
    {
      "nct_id": "NCT04707872",
      "title": "Trifecta-Heart cfDNA-MMDx Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "MMDx diagnostic test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Prospera",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "HLA antibody",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alberta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 300,
      "start_date": "2021-06-01",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 6,
      "location_summary": "Little Rock, Arkansas • Tampa, Florida • West New York, New Jersey + 3 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "West New York",
          "state": "New Jersey"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04707872"
    },
    {
      "nct_id": "NCT03141034",
      "title": "Ramucirumab Plus Irinotecan for Previously Treated Advanced Gastric or Gastro-esophageal Junction Adenocarcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastric Adenocarcinoma",
        "Gastro-esophageal Junction Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Ramucirumab",
          "type": "DRUG"
        },
        {
          "name": "Blood for angiome profiling",
          "type": "GENETIC"
        },
        {
          "name": "Blood for cfDNA",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2017-11-01",
      "completion_date": "2023-04-14",
      "has_results": true,
      "last_update_posted_date": "2024-06-25",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Tampa, Florida • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03141034"
    },
    {
      "nct_id": "NCT05606133",
      "title": "Circulating Human Papilloma Virus (HPV) DNA for the Screening and Surveillance of Gynecologic Cancers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Dysplasia",
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "NavDx(R)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Northwell Health",
      "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": 100,
      "start_date": "2022-08-10",
      "completion_date": "2026-08-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05606133"
    },
    {
      "nct_id": "NCT04777617",
      "title": "Allosure in Simultaneous Pancreas Kidney Transplant",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Pancreas Transplant"
      ],
      "interventions": [
        {
          "name": "DD-cfDNA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2021-02-26",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04777617"
    },
    {
      "nct_id": "NCT04057742",
      "title": "AlloSure for the Monitoring of Antibody Mediated Processes After Kidney Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "AlloSure ddcfDNA assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "AlloMap assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Inflammatory Cytokines",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Immune Cell Phenotypes",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 52,
      "start_date": "2019-10-07",
      "completion_date": "2024-04-07",
      "has_results": false,
      "last_update_posted_date": "2024-09-03",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04057742"
    },
    {
      "nct_id": "NCT03892096",
      "title": "Development of a Cell Free DNA Assay as a Biomarker for Predicting Early Non-response to Therapy in Metastatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Non-Small Cell Lung Carcinoma",
        "Metastatic Colorectal Cancer",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Blood-based cell-free cfDNA qPCR assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Cadex Genomics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2019-03-01",
      "completion_date": "2024-02-06",
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 11,
      "location_summary": "Little Rock, Arkansas • Sunnyvale, California • Denver, Colorado + 7 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Columbus",
          "state": "Georgia"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03892096"
    },
    {
      "nct_id": "NCT05384769",
      "title": "Feasibility of Cell-Free DNA Liquid Biopsy in Screening High-Risk Patients for Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Liquid Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Low Dose Computed Tomography of the Chest",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 108,
      "start_date": "2022-07-29",
      "completion_date": "2029-01-28",
      "has_results": false,
      "last_update_posted_date": "2025-10-07",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05384769"
    },
    {
      "nct_id": "NCT01555346",
      "title": "Clinical Evaluation of the SEQureDx T21 Test In High Risk Pregnancies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome",
        "Fetal Aneuploidy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sequenom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 3062,
      "start_date": "2012-03",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-20",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 27,
      "location_summary": "Mobile, Alabama • Tucson, Arizona • Campbell, California + 24 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Campbell",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01555346"
    },
    {
      "nct_id": "NCT03326076",
      "title": "Evaluation of Patient Outcomes From the Kidney Allograft Outcomes AlloSure Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Donor-derived cell-free DNA (AlloSure®)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Standard care",
          "type": "OTHER"
        },
        {
          "name": "Peripheral blood gene expression profiling (AlloMap Kidney)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Analytic platform (IBox)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "CareDx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2018-01-23",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-06-27",
      "last_synced_at": "2026-09-29T14:19:25.250Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Loma Linda, California • Los Angeles, California + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03326076"
    }
  ]
}