{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ctDNA&page=2",
    "query": {
      "intervention": "ctDNA",
      "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=ctDNA&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T04:55:24.927Z",
  "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": "NCT03161834",
      "title": "Plasma Circulating Tumor DNA Analyses in ER+ Metastatic Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2017-01-13",
      "completion_date": "2020-07-09",
      "has_results": false,
      "last_update_posted_date": "2021-05-21",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03161834"
    },
    {
      "nct_id": "NCT07698535",
      "title": "Measuring Circulating Tumor Deoxyribonucleic Acid Tumor Fraction to Guide Early 177Lu-PSMA-617 Treatment Discontinuation in Patients With Metastatic Castration-Resistant Prostate Cancer, DYNAMO Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Castration-Resistant Prostate Adenocarcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Lutetium Lu 177 Vipivotide Tetraxetan",
          "type": "DRUG"
        },
        {
          "name": "Cell-free Circulating Tumor DNA Assay",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "PSMA PET Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Single Photon Tomography and Computed Tomography Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "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": 64,
      "start_date": "2026-10-01",
      "completion_date": "2029-07-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07698535"
    },
    {
      "nct_id": "NCT02693080",
      "title": "CT Perfusion Imaging in Predicting Treatment Response in Patients With Non-small Cell Lung Cancer or Lung Metastases Treated With Stereotactic Ablative Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malignant Lung Neoplasm",
        "Metastatic Malignant Neoplasm in the Lung",
        "Non-Small Cell Lung Carcinoma",
        "Stage IV Lung Cancer"
      ],
      "interventions": [
        {
          "name": "CAPP-Seq",
          "type": "DEVICE"
        },
        {
          "name": "Isovue-200",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography Perfusion Imaging",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2016-01-19",
      "completion_date": "2020-04-29",
      "has_results": false,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02693080"
    },
    {
      "nct_id": "NCT05944042",
      "title": "Hepatic Transplantation Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Identify More Accurate Predictive Models of Transplant Risk to Monitor and Evaluate New and Existing Patient Factors"
      ],
      "interventions": [
        {
          "name": "Observational Transplant Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 300,
      "start_date": "2023-02-01",
      "completion_date": "2025-02-02",
      "has_results": false,
      "last_update_posted_date": "2024-03-27",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05944042"
    },
    {
      "nct_id": "NCT03746262",
      "title": "Changes in Circulating Tumor-Specific DNA in Patients With Non-Metastatic Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non Small Cell Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2016-05-13",
      "completion_date": "2018-08-10",
      "has_results": false,
      "last_update_posted_date": "2018-11-21",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03746262"
    },
    {
      "nct_id": "NCT02612350",
      "title": "Utility of Plasma Circulating Tumor DNA (ctDNA) in Asymptomatic Subjects for the Detection of Neoplastic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mutation",
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "ctDNA Analysis for the Detection of Genetic Mutations",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Pathway Genomics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1106,
      "start_date": "2015-11",
      "completion_date": "2017-08",
      "has_results": false,
      "last_update_posted_date": "2018-04-06",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02612350"
    },
    {
      "nct_id": "NCT05415358",
      "title": "Immune Signature Analysis of Disease Progression in Post Immunotherapy Lung Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer, Nonsmall Cell"
      ],
      "interventions": [
        {
          "name": "Blood and tissue samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2023-01-17",
      "completion_date": "2035-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "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/NCT05415358"
    },
    {
      "nct_id": "NCT02715102",
      "title": "Circulating Tumor DNA in Patients at High Risk for Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer of the Lung",
        "Lung Cancer",
        "Lung Neoplasms",
        "Adenocarcinoma of the Lung",
        "Non Small Cell Carcinoma of the Lung",
        "Small Cell Carcinoma of the Lung"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pathway Genomics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2016-06",
      "completion_date": "2017-08",
      "has_results": false,
      "last_update_posted_date": "2017-08-21",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02715102"
    },
    {
      "nct_id": "NCT05082701",
      "title": "Sentinel™ Trial: A Prospective Study Evaluating the Performance and Clinical Benefit of Personalized ctDNA-based MRD Testing to Detect Recurrence and Monitor Treatment Response in Patients With Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Strata Oncology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 295,
      "start_date": "2021-12-03",
      "completion_date": "2024-02-22",
      "has_results": false,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 4,
      "location_summary": "New Orleans, Louisiana • Ann Arbor, Michigan • Allentown, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05082701"
    },
    {
      "nct_id": "NCT06693830",
      "title": "ctDNA-guided Therapy Optimization in Newly Diagnosed DLBCL",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma",
        "Lymphoma, B-Cell",
        "Diffuse Large B Cell Lymphoma",
        "Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "High-grade B-cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Phased Variant Enrichment and Detection Sequencing (PhasED-seq)",
          "type": "DEVICE"
        },
        {
          "name": "Standard of Care Treatment",
          "type": "OTHER"
        },
        {
          "name": "De-escalated Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Hua-Jay J Cherng, MD",
      "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": "2024-12-11",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-10T04:55:24.927Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06693830"
    }
  ]
}