{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=72", "query": { "intervention": "Blood samples collected", "page": 72 }, "page_size": 10 }, "pagination": { "page": 72, "page_size": 10, "total_count": 4266, "total_pages": 427, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=73&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=71&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-22T05:10:17.843Z", "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": "NCT00568490", "title": "Identification of Secreted Markers for Tumor Hypoxia in Patients With Head and Neck or Lung Cancers", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Head and Neck Cancer", "Lung Cancer", "Lip Cancer", "Lip Neoplasms", "Head and Neck Cancers" ], "interventions": [ { "name": "Tumor biopsy", "type": "PROCEDURE" }, { "name": "Phlebotomy", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "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": 200, "start_date": "1998-09-01", "completion_date": "2027-06-30", "has_results": false, "last_update_posted_date": "2026-07-01", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00568490" }, { "nct_id": "NCT06735690", "title": "Allogeneic CMV-Specific CD19-CAR T Cells Plus CMV-MVA Triplex Vaccine After Matched Related Donor Hematopoietic Cell Transplant for the Treatment of Patients With High-Risk Acute Lymphoblastic Leukemia", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Acute Lymphoblastic Leukemia" ], "interventions": [ { "name": "Allogeneic Hematopoietic Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Anti-CD19-CAR CMV-specific T-lymphocytes", "type": "BIOLOGICAL" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Marrow Aspiration", "type": "PROCEDURE" }, { "name": "Bone Marrow Biopsy", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Echocardiography", "type": "PROCEDURE" }, { "name": "Leukapheresis", "type": "PROCEDURE" }, { "name": "Lumbar Puncture", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Multi-peptide CMV-Modified Vaccinia Ankara Vaccine", "type": "BIOLOGICAL" }, { "name": "Multigated Acquisition Scan", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Transplant Conditioning", "type": "OTHER" }, { "name": "X-Ray Imaging", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "BIOLOGICAL", "OTHER" ], "sponsor": "City of Hope 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": 15, "start_date": "2025-12-30", "completion_date": "2029-03-07", "has_results": false, "last_update_posted_date": "2026-04-27", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06735690" }, { "nct_id": "NCT04593550", "title": "Electroencephalographic Changes Under General Anesthesia in Patients With Gynecologic Cancers With and Without History of Chemotherapy", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Malignant Female Reproductive System Neoplasm" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "BrainCheck Cognitive Assessment", "type": "BEHAVIORAL" }, { "name": "Cognitive Assessment", "type": "PROCEDURE" }, { "name": "Electroencephalography", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "BEHAVIORAL" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": "60 Years", "sex": "FEMALE", "summary": "40 Years to 60 Years · Female only" }, "enrollment_count": 40, "start_date": "2020-07-31", "completion_date": "2023-11-17", "has_results": false, "last_update_posted_date": "2023-11-21", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04593550" }, { "nct_id": "NCT04344015", "title": "COVID-19 Plasma Collection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "COVID-19" ], "interventions": [ { "name": "Plasma Donation", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "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": 206, "start_date": "2020-04-13", "completion_date": "2020-06-02", "has_results": false, "last_update_posted_date": "2021-05-10", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04344015" }, { "nct_id": "NCT05823740", "title": "Measuring Changes in Body Composition and Physical Function in Patients With Childhood Cancers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cancer", "Malignant Neoplasm" ], "interventions": [ { "name": "Bioelectrical impedance Analysis (BIA)", "type": "OTHER" }, { "name": "D3-Creatine Dilution (D3Cr)", "type": "OTHER" }, { "name": "6-Minute Walk Test (6MWT)", "type": "OTHER" }, { "name": "Timed Up and Go (TUG)", "type": "OTHER" }, { "name": "30-second Sit-to-Stand (STS)", "type": "OTHER" }, { "name": "Hand Grip Strength (GS)", "type": "OTHER" }, { "name": "PBTL p16 expression", "type": "OTHER" }, { "name": "CT, MR and PET Imaging", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "UNC Lineberger Comprehensive Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "8 Years", "maximum_age": "21 Years", "sex": "ALL", "summary": "8 Years to 21 Years" }, "enrollment_count": 28, "start_date": "2023-05-01", "completion_date": "2026-02-21", "has_results": false, "last_update_posted_date": "2026-05-01", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT05823740" }, { "nct_id": "NCT04848090", "title": "Genome Sequencing in the Intensive Care Unit Population", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Infant, Newborn, Disease", "Genetic Disease" ], "interventions": [ { "name": "Neonate WGS Testing", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "Jerry Vockley, MD, PhD", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "1 Year", "sex": "ALL", "summary": "Up to 1 Year" }, "enrollment_count": 400, "start_date": "2020-07-13", "completion_date": "2027-06", "has_results": false, "last_update_posted_date": "2026-01-09", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04848090" }, { "nct_id": "NCT05911243", "title": "Feasibility of Auricular Acupressure for Appetite and Weight in Patients With Stage II-IV Gastric, Esophageal, and Pancreatic Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Clinical Stage II Esophageal Adenocarcinoma AJCC v8", "Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage II Gastric Cancer AJCC v8", "Clinical Stage III Esophageal Adenocarcinoma AJCC v8", "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage III Gastric Cancer AJCC v8", "Clinical Stage IV Esophageal Adenocarcinoma AJCC v8", "Clinical Stage IV Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage IV Gastric Cancer AJCC v8", "Stage II Pancreatic Cancer AJCC v8", "Stage III Pancreatic Cancer AJCC v8", "Stage IV Pancreatic Cancer AJCC v8" ], "interventions": [ { "name": "Acupressure Therapy", "type": "PROCEDURE" }, { "name": "Best Practice", "type": "OTHER" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "University of Washington", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 3, "start_date": "2024-07-22", "completion_date": "2025-07-09", "has_results": false, "last_update_posted_date": "2026-05-18", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT05911243" }, { "nct_id": "NCT04968548", "title": "Determination and Validation of a Multi-analyte Assay for Lung Cancer Screening", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Lung Cancer" ], "interventions": [ { "name": "Blood collection", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Nucleix Ltd.", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "50 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "50 Years to 80 Years" }, "enrollment_count": 6182, "start_date": "2021-09-17", "completion_date": "2025-12-31", "has_results": false, "last_update_posted_date": "2026-09-30", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 27, "location_summary": "Encinitas, California • Lakewood, Colorado • West Haven, Connecticut + 22 more", "locations": [ { "city": "Encinitas", "state": "California" }, { "city": "Lakewood", "state": "Colorado" }, { "city": "West Haven", "state": "Connecticut" }, { "city": "Orlando", "state": "Florida" }, { "city": "Sarasota", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04968548" }, { "nct_id": "NCT04999826", "title": "Multiscale Omics for the Development of a Cohort Database and Study Platform in Breast Cancer Survivors", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Anatomic Stage 0 Breast Cancer AJCC v8", "Anatomic Stage I Breast Cancer AJCC v8", "Anatomic Stage IA Breast Cancer AJCC v8", "Anatomic Stage IB Breast Cancer AJCC v8", "Anatomic Stage II Breast Cancer AJCC v8", "Anatomic Stage IIA Breast Cancer AJCC v8", "Anatomic Stage IIB Breast Cancer AJCC v8", "Anatomic Stage III Breast Cancer AJCC v8", "Anatomic Stage IIIA Breast Cancer AJCC v8", "Anatomic Stage IIIB Breast Cancer AJCC v8", "Anatomic Stage IIIC Breast Cancer AJCC v8", "Prognostic Stage 0 Breast Cancer AJCC v8", "Prognostic Stage I Breast Cancer AJCC v8", "Prognostic Stage IA Breast Cancer AJCC v8", "Prognostic Stage IB Breast Cancer AJCC v8", "Prognostic Stage II Breast Cancer AJCC v8", "Prognostic Stage IIA Breast Cancer AJCC v8", "Prognostic Stage IIB Breast Cancer AJCC v8", "Prognostic Stage III Breast Cancer AJCC v8", "Prognostic Stage IIIA Breast Cancer AJCC v8", "Prognostic Stage IIIB Breast Cancer AJCC v8", "Prognostic Stage IIIC Breast Cancer AJCC v8" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "FEMALE", "summary": "18 Years to 75 Years · Female only" }, "enrollment_count": 105, "start_date": "2021-04-01", "completion_date": "2022-12-30", "has_results": false, "last_update_posted_date": "2025-12-30", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT04999826" }, { "nct_id": "NCT01459315", "title": "GSK1349572 Exposure in Blood, Seminal Fluid, and Rectal Fluid and Tissue in Healthy Male Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "dolutegravir", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "49 Years", "sex": "MALE", "summary": "18 Years to 49 Years · Male only" }, "enrollment_count": 14, "start_date": "2011-11", "completion_date": "2012-12", "has_results": false, "last_update_posted_date": "2013-07-04", "last_synced_at": "2026-10-22T05:10:17.843Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01459315" } ] }