{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Circulating+tumor+cell+blood+draw&page=2",
    "query": {
      "intervention": "Circulating tumor cell blood draw",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 114,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Circulating+tumor+cell+blood+draw&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Circulating+tumor+cell+blood+draw&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T03:10:47.215Z",
  "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": "NCT02586389",
      "title": "Specimen Collection From Patients With Non-Hematologic Cancer for Use in Development of a Liquid Biopsy Assay",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-hematologic Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sequenom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2015-10-13",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 1,
      "location_summary": "Boise, Idaho",
      "locations": [
        {
          "city": "Boise",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02586389"
    },
    {
      "nct_id": "NCT02732171",
      "title": "PENN-Surveillance Markers of Utility for Recurrence After (Neo)Adjuvant Therapy for Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Research Blood Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2016-04",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02732171"
    },
    {
      "nct_id": "NCT02997709",
      "title": "Collection and Measurement of Biomarkers in Prostate Cancer Radiotherapy Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "30 Years and older · Male only"
      },
      "enrollment_count": 144,
      "start_date": "2016-06-24",
      "completion_date": "2032-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997709"
    },
    {
      "nct_id": "NCT04068103",
      "title": "Circulating Tumor DNA Testing in Predicting Treatment for Patients With Stage IIA Colon Cancer After Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Colon Adenocarcinoma",
        "Stage IIA Colon Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 635,
      "start_date": "2019-12-16",
      "completion_date": "2026-06-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-07",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 932,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 639 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04068103"
    },
    {
      "nct_id": "NCT02838836",
      "title": "Tumor Cell and DNA Detection in the Blood, Urine and Bone Marrow of Patients With Solid Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Pancreatic Cancer",
        "Hepatocellular Cancer",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Study sample collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 620,
      "start_date": "2016-07-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02838836"
    },
    {
      "nct_id": "NCT06141993",
      "title": "ARCTIC: Liquid Biomarkers in the Prospective Androgen Receptor Signaling Inhibitors (ARSI) Resistance Clinical Trials",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Prostate Adenocarcinoma",
        "Prostate Cancer Metastatic",
        "Castration-resistant Prostate Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "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": 120,
      "start_date": "2024-05-13",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 3,
      "location_summary": "New York, New York • Durham, North Carolina • Madison, Wisconsin",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06141993"
    },
    {
      "nct_id": "NCT01173458",
      "title": "Circulating Tumor Cells (CTCs) as a Blood-based Tumor Marker in Patients With Small Cell Lung Cancer (SCLC)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Small Cell Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Kansas 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": 25,
      "start_date": "2010-07",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-01-10",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 2,
      "location_summary": "Kansas City, Kansas • Omaha, Nebraska",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01173458"
    },
    {
      "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": "2026-10-06T03:10:47.215Z",
      "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": "NCT02981797",
      "title": "Assess Gamma H2AX Positivity in Circulating Prostate Cancer Cells Before and After Radium 223",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Blood Collection During Standard of Care Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "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": 10,
      "start_date": "2015-07-22",
      "completion_date": "2020-11-05",
      "has_results": false,
      "last_update_posted_date": "2021-06-11",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02981797"
    },
    {
      "nct_id": "NCT00588510",
      "title": "Detection of Circulating Osteosarcoma Tumor Cells in the Blood of Patients Using the Polymerase Chain Reaction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2000-01",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2011-09-02",
      "last_synced_at": "2026-10-06T03:10:47.215Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588510"
    }
  ]
}