{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cell+free+DNA",
    "query": {
      "intervention": "cell free DNA"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 153,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cell+free+DNA&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T19:30:13.185Z",
  "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": "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": "2026-09-05T19:30:13.185Z",
      "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"
    },
    {
      "nct_id": "NCT04130685",
      "title": "Donor-Derived Cell-Free DNA for Surveillance in Simultaneous Pancreas and Kidney Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreas Transplant Rejection",
        "Kidney Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Allosure Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2020-01-15",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-02",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130685"
    },
    {
      "nct_id": "NCT03858777",
      "title": "Cell Free DNA in Cardiac Sarcoidosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcoidosis With Myocarditis",
        "Sarcoidosis",
        "Healthy",
        "ST Elevation Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "cell free DNA",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nabeel Hamzeh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2019-05-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03858777"
    },
    {
      "nct_id": "NCT04046575",
      "title": "Radiation Dose Intensification With Accelerated Hypofractionated Intensity Modulated Radiation Therapy and Concurrent Carboplatin and Paclitaxel for Inoperable Esophageal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Esophagus Cancer",
        "Esophageal Cancer",
        "Cancer of the Esophagus"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "MD Anderson Symptom Inventory (MDASI)-Plus module",
          "type": "OTHER"
        },
        {
          "name": "EuroQol (EQ-5D)",
          "type": "OTHER"
        },
        {
          "name": "SF-12",
          "type": "OTHER"
        },
        {
          "name": "MOS Social Support Measure",
          "type": "OTHER"
        },
        {
          "name": "CES-D",
          "type": "OTHER"
        },
        {
          "name": "Blood for ctDNA (optional)",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood for SCCA",
          "type": "PROCEDURE"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "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": 12,
      "start_date": "2019-11-07",
      "completion_date": "2029-11-20",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04046575"
    },
    {
      "nct_id": "NCT05307939",
      "title": "A Study on Using Cell-Free Tumor DNA (ctDNA) Testing to Decide When to StartRoutine Treatment in People With Human Papilloma Virus (HPV)- Associated Oropharynx Cancer (OPC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV",
        "Oropharynx Cancer",
        "HPV-Related Carcinoma",
        "HPV-Related Malignancy",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "HPV ctDNA Assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Studies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "EORTC QLQ H&N 35 and C30",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MDADI-HN",
          "type": "BEHAVIORAL"
        },
        {
          "name": "COST-FACIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy (Arm A)",
          "type": "RADIATION"
        },
        {
          "name": "Chemoradiation (Arm B)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "RADIATION",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-03-24",
      "completion_date": "2027-03-24",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 8,
      "location_summary": "Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 5 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05307939"
    },
    {
      "nct_id": "NCT04897321",
      "title": "B7-H3-Specific Chimeric Antigen Receptor Autologous T-Cell Therapy for Pediatric Patients With Solid Tumors (3CAR)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pediatric Solid Tumor",
        "Osteosarcoma",
        "Rhabdomyosarcoma",
        "Neuroblastoma",
        "Ewing Sarcoma",
        "Wilms Tumor",
        "Adrenocortical Cancer",
        "Desmoplastic Small Round Cell Tumor",
        "Germ Cell Cancer",
        "Rhabdoid Tumor",
        "Clear Cell Sarcoma",
        "Hepatoblastoma",
        "Melanoma",
        "Carcinoma",
        "Malignant Peripheral Nerve Sheath Tumors",
        "Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "MESNA",
          "type": "DRUG"
        },
        {
          "name": "B7-H3 CAR T cells",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-07-06",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04897321"
    },
    {
      "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": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04777617"
    },
    {
      "nct_id": "NCT04234919",
      "title": "Longitudinal Study of Cell Free DNA in Lung Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Transplant Rejection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 24,
      "start_date": "2020-03-19",
      "completion_date": "2021-11-22",
      "has_results": false,
      "last_update_posted_date": "2022-11-02",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04234919"
    },
    {
      "nct_id": "NCT05130840",
      "title": "Monitoring for Cancer Spread to the Central Nervous System (CNS) in People With Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumbar puncture",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2022-07-13",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05130840"
    },
    {
      "nct_id": "NCT03672422",
      "title": "Pediatric Longitudinal Cohort Study of Chronic Pancreatitis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatitis, Chronic",
        "Pancreatitis, Acute"
      ],
      "interventions": [
        {
          "name": "Blood sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Patient questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Saliva sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Aliye Uc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "0 Years to 17 Years"
      },
      "enrollment_count": 623,
      "start_date": "2017-06-30",
      "completion_date": "2020-08-31",
      "has_results": false,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-05T19:30:13.185Z",
      "location_count": 18,
      "location_summary": "Beverly Hills, California • Los Angeles, California • San Francisco, California + 15 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03672422"
    }
  ]
}