{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=23", "query": { "intervention": "Blood samples collected", "page": 23 }, "page_size": 10 }, "pagination": { "page": 23, "page_size": 10, "total_count": 4260, "total_pages": 426, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=24&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=22&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-14T22:38:08.011Z", "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": "NCT04560933", "title": "A Study to Evaluate Seroprevalence and Seroconversion of Antibodies to Adeno-Associated Virus (AAV) in Patients With Hemophilia A", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hemophilia A" ], "interventions": [ { "name": "Blood sample collection", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "BioMarin Pharmaceutical", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 186, "start_date": "2020-08-25", "completion_date": "2023-10-20", "has_results": false, "last_update_posted_date": "2024-04-24", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 1, "location_summary": "Madison, Wisconsin", "locations": [ { "city": "Madison", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT04560933" }, { "nct_id": "NCT02549638", "title": "Identification of Prognostic Biomarkers for Progression of Invasive Squamous Cell Carcinoma", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Carcinoma, Squamous Cell", "Carcinoma, Squamous", "Squamous Cell Carcinoma", "Lung Neoplasms", "Cancer of Lung", "Cancer of the Lung", "Lung Cancer", "Neoplasms, Lung", "Neoplasms, Pulmonary", "Pulmonary Cancer", "Pulmonary Neoplasms" ], "interventions": [ { "name": "DNA Extraction", "type": "GENETIC" } ], "intervention_types": [ "GENETIC" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22, "start_date": "2015-04-08", "completion_date": "2020-04-23", "has_results": false, "last_update_posted_date": "2025-10-14", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT02549638" }, { "nct_id": "NCT01000558", "title": "SWOG-8947 Collecting and Storing Blood Samples From Patients With Previously Untreated Non-Hodgkin Lymphoma", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "biologic sample preservation procedure", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "SWOG Cancer Research Network", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 939, "start_date": "2005-03", "completion_date": "2011-07", "has_results": false, "last_update_posted_date": "2013-05-20", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 203, "location_summary": "Mobile, Alabama • Anchorage, Alaska • Fort Smith, Arkansas + 137 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Fort Smith", "state": "Arkansas" }, { "city": "Berkeley", "state": "California" }, { "city": "Burbank", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01000558" }, { "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": "2026-10-14T22:38:08.011Z", "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" }, { "nct_id": "NCT04526587", "title": "Biomarkers and Clinical Features of Metastatic Breast Cancer in Patients Treated With CDK4/6 Inhibitors", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Anatomic Stage IV Breast Cancer AJCC v8", "Metastatic Breast Carcinoma", "Prognostic Stage IV Breast Cancer AJCC v8" ], "interventions": [ { "name": "Cytology Specimen Collection Procedure", "type": "OTHER" }, { "name": "Diagnostic Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Medical Chart Review", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Roswell Park 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": 700, "start_date": "2020-07-03", "completion_date": "2035-07-03", "has_results": false, "last_update_posted_date": "2025-11-13", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 1, "location_summary": "Buffalo, New York", "locations": [ { "city": "Buffalo", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04526587" }, { "nct_id": "NCT07504588", "title": "Sacituzumab Govitecan With Bevacizumab Compared to Usual Chemotherapy (Carboplatin, Pegylated Liposomal Doxorubicin and Bevacizumab) for Treating Recurrent Platinum-Sensitive Ovarian Cancer After PARP Inhibitor Maintenance Therapy", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Recurrent Platinum-Sensitive Fallopian Tube Endometrioid Adenocarcinoma", "Recurrent Platinum-Sensitive Fallopian Tube High Grade Serous Adenocarcinoma", "Recurrent Platinum-Sensitive Ovarian High Grade Endometrioid Adenocarcinoma", "Recurrent Platinum-Sensitive Ovarian High Grade Serous Adenocarcinoma", "Recurrent Platinum-Sensitive Primary Peritoneal Endometrioid Adenocarcinoma", "Recurrent Platinum-Sensitive Primary Peritoneal High Grade Serous Adenocarcinoma" ], "interventions": [ { "name": "Anti-VEGF Monoclonal Antibody", "type": "BIOLOGICAL" }, { "name": "Bevacizumab", "type": "BIOLOGICAL" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Carboplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Echocardiography Test", "type": "PROCEDURE" }, { "name": "Gemcitabine", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Multigated Acquisition Scan", "type": "PROCEDURE" }, { "name": "Pegylated Liposomal Doxorubicin Hydrochloride", "type": "DRUG" }, { "name": "Sacituzumab Govitecan", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "PROCEDURE", "DRUG" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 87, "start_date": "2026-09-24", "completion_date": "2029-04-12", "has_results": false, "last_update_posted_date": "2026-10-05", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 9, "location_summary": "Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 6 more", "locations": [ { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Rogers", "state": "Arkansas" }, { "city": "Springdale", "state": "Arkansas" }, { "city": "Coeur d'Alene", "state": "Idaho" }, { "city": "Post Falls", "state": "Idaho" } ], "official_url": "https://clinicaltrials.gov/study/NCT07504588" }, { "nct_id": "NCT04962529", "title": "Breast Cancer Liquid Biopsy Trial", "overall_status": "UNKNOWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Breast Cancer", "Cancer" ], "interventions": [ { "name": "Blood Draw", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Anthony Magliocco", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 450, "start_date": "2020-09-28", "completion_date": "2023-07-31", "has_results": false, "last_update_posted_date": "2022-08-11", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 7, "location_summary": "Hollywood, Florida • Ocala, Florida • Orlando, Florida + 4 more", "locations": [ { "city": "Hollywood", "state": "Florida" }, { "city": "Ocala", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Sarasota", "state": "Florida" }, { "city": "Arlington Heights", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT04962529" }, { "nct_id": "NCT06124157", "title": "A Study Testing the Combination of Dasatinib or Imatinib to Chemotherapy Treatment With Blinatumomab for Children, Adolescents, and Young Adults With Philadelphia Chromosome Positive (Ph+) or ABL-Class Philadelphia Chromosome-Like (Ph-Like) B-cell Acute Lymphoblastic Leukemia (B-ALL)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "B Acute Lymphoblastic Leukemia" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Blinatumomab", "type": "BIOLOGICAL" }, { "name": "Bone Marrow Biopsy", "type": "PROCEDURE" }, { "name": "Calaspargase Pegol", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Dasatinib", "type": "DRUG" }, { "name": "Daunorubicin", "type": "DRUG" }, { "name": "Doxorubicin", "type": "DRUG" }, { "name": "Echocardiography Test", "type": "PROCEDURE" }, { "name": "Imatinib", "type": "DRUG" }, { "name": "Leucovorin", "type": "DRUG" }, { "name": "Mercaptopurine", "type": "DRUG" }, { "name": "Methotrexate", "type": "DRUG" }, { "name": "Multigated Acquisition Scan", "type": "PROCEDURE" }, { "name": "Pegaspargase", "type": "DRUG" }, { "name": "Prednisolone", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Radiation Therapy", "type": "RADIATION" }, { "name": "Thioguanine", "type": "DRUG" }, { "name": "Vincristine", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "BIOLOGICAL", "DRUG", "RADIATION" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "366 Days", "maximum_age": "46 Years", "sex": "ALL", "summary": "366 Days to 46 Years" }, "enrollment_count": 222, "start_date": "2025-05-30", "completion_date": "2030-12-01", "has_results": false, "last_update_posted_date": "2026-10-13", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 143, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 121 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Downey", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06124157" }, { "nct_id": "NCT02818764", "title": "Delirium, Intraoperative Cerebral Perfusion and EEG Abnormalities After Total Hip Arthroplasty", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Delirium", "Hip Arthroplasty", "Elderly" ], "interventions": [ { "name": "Blood Draw", "type": "PROCEDURE" }, { "name": "Cerebral Spinal Fluid collection", "type": "PROCEDURE" }, { "name": "Electroencephalogram", "type": "DEVICE" }, { "name": "Cerebral blood flow and oxygen extraction fraction", "type": "DEVICE" } ], "intervention_types": [ "PROCEDURE", "DEVICE" ], "sponsor": "University of Pennsylvania", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 3, "start_date": "2016-06", "completion_date": "2020-12", "has_results": false, "last_update_posted_date": "2020-12-23", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02818764" }, { "nct_id": "NCT01109459", "title": "Multimodal Physician Intervention to Detect Amblyopia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Amblyopia", "Strabismus" ], "interventions": [ { "name": "Pediatric blood pressure screening", "type": "OTHER" }, { "name": "Pediatric vision screening", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Alabama at Birmingham", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 136, "start_date": "2004-09", "completion_date": "2008-10", "has_results": false, "last_update_posted_date": "2010-04-23", "last_synced_at": "2026-10-14T22:38:08.011Z", "location_count": 1, "location_summary": "Birmingham, Alabama", "locations": [ { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT01109459" } ] }