{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whole+blood+for+ctDNA&page=4", "query": { "intervention": "Whole blood for ctDNA", "page": 4 }, "page_size": 10 }, "pagination": { "page": 4, "page_size": 10, "total_count": 102, "total_pages": 11, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whole+blood+for+ctDNA&page=5&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Whole+blood+for+ctDNA&page=3&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-08T10:31:59.065Z", "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": "NCT06589310", "title": "Falcon Real World Evidence Registry", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cancer" ], "interventions": [ { "name": "Exact Sciences Multicancer Early Detection (MCED) Test", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Exact Sciences Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "50 Years to 80 Years" }, "enrollment_count": 25000, "start_date": "2024-08-01", "completion_date": "2031-01", "has_results": false, "last_update_posted_date": "2026-09-11", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 2, "location_summary": "Evanston, Illinois • Dallas, Texas", "locations": [ { "city": "Evanston", "state": "Illinois" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06589310" }, { "nct_id": "NCT06954805", "title": "Defining ctDNA Metrics in Posttransplant Lymphoproliferative Disorder (PTLD)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Lymphoma", "Lymphoma, B-Cell" ], "interventions": [ { "name": "Rituximab", "type": "DRUG" }, { "name": "Etoposide", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Vincristine", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Doxorubicin", "type": "DRUG" }, { "name": "CAPP-seq", "type": "DEVICE" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Jennifer Amengual", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "15 Years", "maximum_age": null, "sex": "ALL", "summary": "15 Years and older" }, "enrollment_count": 30, "start_date": "2025-04-14", "completion_date": "2028-04-14", "has_results": false, "last_update_posted_date": "2026-05-27", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 2, "location_summary": "Stanford, California • New York, New York", "locations": [ { "city": "Stanford", "state": "California" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06954805" }, { "nct_id": "NCT06110598", "title": "CAPEcitabine eXtension of Adjuvant Therapy for Pancreatic Adenocarcinoma: (CAPE-X)", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pancreas Cancer", "Pancreas Adenocarcinoma" ], "interventions": [ { "name": "Capecitabine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Case Comprehensive Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "19 Years", "maximum_age": null, "sex": "ALL", "summary": "19 Years and older" }, "enrollment_count": 0, "start_date": "2024-12-01", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2024-08-15", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06110598" }, { "nct_id": "NCT05081024", "title": "Establishing a ctDNA Biomarker to Improve Organ Preserving Strategies in Patients With Rectal Cancer", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Rectal Adenocarcinoma", "Stage II Rectal Cancer AJCC v8", "Stage IIA Rectal Cancer AJCC v8", "Stage IIB Rectal Cancer AJCC v8", "Stage IIC Rectal Cancer AJCC v8", "Stage III Rectal Cancer AJCC v8", "Stage IIIA Rectal Cancer AJCC v8", "Stage IIIB Rectal Cancer AJCC v8", "Stage IIIC Rectal Cancer AJCC v8" ], "interventions": [ { "name": "Biopsy", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Electronic Health Record Review", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "OHSU Knight Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2021-09-03", "completion_date": "2027-09-03", "has_results": false, "last_update_posted_date": "2026-09-16", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 2, "location_summary": "Portland, Oregon • Seattle, Washington", "locations": [ { "city": "Portland", "state": "Oregon" }, { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT05081024" }, { "nct_id": "NCT03302325", "title": "Circulating Tumor DNA As Liquid Biopsy in Patients with Stage IV Solid Tumors, a Feasibility Study At MUSC HCC", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Solid Tumor, Adult" ], "interventions": [ { "name": "research blood draws", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Medical University of South Carolina", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 20, "start_date": "2017-10-12", "completion_date": "2020-01-06", "has_results": false, "last_update_posted_date": "2024-09-19", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03302325" }, { "nct_id": "NCT05987241", "title": "Testing the Role of DNA Released From Tumor Cells Into the Blood in Guiding the Use of Immunotherapy After Surgical Removal of the Bladder, Kidney, Ureter, and Urethra for Urothelial Cancer Treatment, MODERN Study", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Muscle Invasive Bladder Urothelial Carcinoma", "Muscle Invasive Renal Pelvis Urothelial Carcinoma", "Muscle Invasive Ureter Urothelial Carcinoma", "Muscle Invasive Urethral Urothelial Carcinoma", "Stage II Bladder Urothelial Carcinoma AJCC v6 and v7", "Stage III Bladder Urothelial Carcinoma AJCC v6 and v7", "Stage IV Bladder Urothelial Carcinoma AJCC v7" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "cfDNA or ctDNA Measurement", "type": "OTHER" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Cystoscopy", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Nivolumab", "type": "BIOLOGICAL" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Relatlimab", "type": "BIOLOGICAL" } ], "intervention_types": [ "PROCEDURE", "OTHER", "BIOLOGICAL" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 992, "start_date": "2024-02-02", "completion_date": "2030-09-02", "has_results": false, "last_update_posted_date": "2026-10-07", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 491, "location_summary": "Phoenix, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 371 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT05987241" }, { "nct_id": "NCT02245100", "title": "Circulating Tumor DNA in Predicting Outcomes in Patients With Stage IV Head and Neck Cancer or Stage III-IV Non-small Cell Lung Cancer", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma", "Salivary Gland Squamous Cell Carcinoma", "Stage IIIA Non-small Cell Lung Cancer", "Stage IIIB Non-small Cell Lung Cancer", "Stage IV Non-small Cell Lung Cancer", "Stage IV Squamous Cell Carcinoma of the Hypopharynx", "Stage IV Squamous Cell Carcinoma of the Nasopharynx", "Stage IVA Salivary Gland Cancer", "Stage IVA Squamous Cell Carcinoma of the Larynx", "Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity", "Stage IVA Squamous Cell Carcinoma of the Oropharynx", "Stage IVA Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage IVA Verrucous Carcinoma of the Larynx", "Stage IVA Verrucous Carcinoma of the Oral Cavity", "Stage IVB Salivary Gland Cancer", "Stage IVB Squamous Cell Carcinoma of the Larynx", "Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity", "Stage IVB Squamous Cell Carcinoma of the Oropharynx", "Stage IVB Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage IVB Verrucous Carcinoma of the Larynx", "Stage IVB Verrucous Carcinoma of the Oral Cavity", "Stage IVC Salivary Gland Cancer", "Stage IVC Squamous Cell Carcinoma of the Larynx", "Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity", "Stage IVC Squamous Cell Carcinoma of the Oropharynx", "Stage IVC Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage IVC Verrucous Carcinoma of the Larynx", "Stage IVC Verrucous Carcinoma of the Oral Cavity", "Tongue Cancer", "Untreated Metastatic Squamous Neck Cancer With Occult Primary" ], "interventions": [ { "name": "Cytology specimen", "type": "OTHER" }, { "name": "Laboratory biomarker analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 130, "start_date": "2014-07-22", "completion_date": "2023-12-08", "has_results": false, "last_update_posted_date": "2025-05-15", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02245100" }, { "nct_id": "NCT03774758", "title": "Biomarkers for Risk Stratification in Lung Cancer", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Nodule Solitary Pulmonary", "Non-small Cell Lung Cancer" ], "interventions": [ { "name": "Guardant Health ct-DNA LUNAR assay", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": null, "eligibility": { "minimum_age": "40 Years", "maximum_age": null, "sex": "ALL", "summary": "40 Years and older" }, "enrollment_count": 590, "start_date": "2017-12-17", "completion_date": "2030-12-31", "has_results": false, "last_update_posted_date": "2026-06-04", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 3, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03774758" }, { "nct_id": "NCT07467109", "title": "A Study to Evaluate the Safety and Efficacy of Intracranial Venous Blood Sampling for Liquid Biopsy in the Diagnosis of Brain Cancers", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Intracranial Venous Blood", "Brain Cancers", "Liquid Biopsy", "Evaluate the Safety" ], "interventions": [ { "name": "blood sampling", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "M.D. Anderson 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": 20, "start_date": "2026-04-13", "completion_date": "2029-05-01", "has_results": false, "last_update_posted_date": "2026-09-09", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07467109" }, { "nct_id": "NCT03594448", "title": "Detection of MSI in Circulating Tumor DNA of Colorectal Carcinoma Patients", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Microsatellite Instability", "Colorectal Cancer Stage IV" ], "interventions": [ { "name": "Specimen Collection", "type": "PROCEDURE" }, { "name": "Serial Liquid Biopsy", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of Southern California", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 6, "start_date": "2018-09-05", "completion_date": "2023-09-18", "has_results": false, "last_update_posted_date": "2024-08-29", "last_synced_at": "2026-10-08T10:31:59.065Z", "location_count": 2, "location_summary": "Los Angeles, California • Newport Beach, California", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Newport Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03594448" } ] }