{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=12", "query": { "intervention": "Biological Samples", "page": 12 }, "page_size": 10 }, "pagination": { "page": 12, "page_size": 10, "total_count": 540, "total_pages": 54, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=13&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=11&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-02T02:16:42.525Z", "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": "NCT05121051", "title": "Testing the Effect of the Broccoli Seed and Sprout Extract, Avmacol ES, on the Cancer Causing Substances of Tobacco in Heavy Smokers", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Cigarette Smoking-Related Carcinoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Broccoli Sprout/Broccoli Seed Extract Supplement", "type": "DIETARY_SUPPLEMENT" }, { "name": "Placebo Administration", "type": "DRUG" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "DIETARY_SUPPLEMENT", "DRUG", "OTHER" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 135, "start_date": "2022-09-21", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-07-14", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 3, "location_summary": "Tucson, Arizona • Washington D.C., District of Columbia • Buffalo, New York", "locations": [ { "city": "Tucson", "state": "Arizona" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Buffalo", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05121051" }, { "nct_id": "NCT06976502", "title": "Health eHeart BioBank", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Heart Diseases", "Cardiac Diseases", "Vascular Diseases", "Cardiovascular Diseases" ], "interventions": [ { "name": "Blood Draw", "type": "PROCEDURE" }, { "name": "Tissue Collection", "type": "PROCEDURE" }, { "name": "DNA Collection", "type": "PROCEDURE" }, { "name": "Medical Chart Review", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 500000, "start_date": "2025-04-01", "completion_date": "2035-12", "has_results": false, "last_update_posted_date": "2026-07-14", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06976502" }, { "nct_id": "NCT06311214", "title": "Personalized Antibody-Drug Conjugate Therapy Based on RNA and Protein Testing for the Treatment of Advanced or Metastatic Solid Tumors (The ADC MATCH Screening and Treatment Trial)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Advanced Malignant Solid Neoplasm", "Metastatic Malignant Solid Neoplasm" ], "interventions": [ { "name": "Biopsy Procedure", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Echocardiography Test", "type": "PROCEDURE" }, { "name": "Electronic Health Record Review", "type": "OTHER" }, { "name": "Enfortumab Vedotin", "type": "DRUG" }, { "name": "Immunohistochemistry Staining Method", "type": "OTHER" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Multigated Acquisition Scan", "type": "PROCEDURE" }, { "name": "Sacituzumab Govitecan", "type": "BIOLOGICAL" }, { "name": "Trastuzumab Deruxtecan", "type": "BIOLOGICAL" } ], "intervention_types": [ "PROCEDURE", "OTHER", "DRUG", "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": 500, "start_date": "2025-03-18", "completion_date": "2028-03-31", "has_results": false, "last_update_posted_date": "2026-10-20", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 29, "location_summary": "Duarte, California • Encinitas, California • Irvine, California + 21 more", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "Encinitas", "state": "California" }, { "city": "Irvine", "state": "California" }, { "city": "Irvine", "state": "California" }, { "city": "La Jolla", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06311214" }, { "nct_id": "NCT05554393", "title": "Comparing Cytarabine + Daunorubicin Therapy Versus Cytarabine + Daunorubicin + Venetoclax Versus Venetoclax + Azacitidine in Younger Patients With Intermediate Risk AML (A MyeloMATCH Treatment Trial)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Myeloid Leukemia" ], "interventions": [ { "name": "Azacitidine", "type": "DRUG" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Marrow Aspiration", "type": "PROCEDURE" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Daunorubicin Hydrochloride", "type": "DRUG" }, { "name": "Echocardiography Test", "type": "PROCEDURE" }, { "name": "Multigated Acquisition Scan", "type": "PROCEDURE" }, { "name": "Venetoclax", "type": "DRUG" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "59 Years", "sex": "ALL", "summary": "18 Years to 59 Years" }, "enrollment_count": 153, "start_date": "2024-09-13", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-10-28", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 176, "location_summary": "Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 143 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Berkeley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05554393" }, { "nct_id": "NCT00899626", "title": "Gastrointestinal Biomarkers in Tissue and Biological Fluid Samples From Colorectal Cancer Patients", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Colorectal Cancer", "Esophageal Cancer", "Gastric Cancer", "Pancreatic Cancer", "Precancerous Condition" ], "interventions": [], "intervention_types": [], "sponsor": "Vanderbilt University 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": 5000, "start_date": "2002-06", "completion_date": "2045-10", "has_results": false, "last_update_posted_date": "2026-03-05", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 2, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00899626" }, { "nct_id": "NCT04623424", "title": "Intestinal Microbiota in Stem Cell Transplant Transplant Admission", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Stem Cell Transplant Complications" ], "interventions": [ { "name": "intestinal microbiota", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "Henry Ford Health System", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 255, "start_date": "2020-11-03", "completion_date": "2028-11-03", "has_results": false, "last_update_posted_date": "2026-02-24", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 1, "location_summary": "Detroit, Michigan", "locations": [ { "city": "Detroit", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT04623424" }, { "nct_id": "NCT00919269", "title": "Collecting and Storing Tissue, Blood, and Bone Marrow Samples From Patients With Rhabdomyosarcoma or Other Soft Tissue Sarcoma", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Adult Rhabdomyosarcoma", "Childhood Desmoplastic Small Round Cell Tumor", "Chordoma", "Desmoid-Type Fibromatosis", "Metastatic Childhood Soft Tissue Sarcoma", "Non-Metastatic Childhood Soft Tissue Sarcoma", "Previously Treated Childhood Rhabdomyosarcoma", "Recurrent Adult Soft Tissue Sarcoma", "Recurrent Childhood Rhabdomyosarcoma", "Recurrent Childhood Soft Tissue Sarcoma", "Rhabdomyosarcoma", "Stage I Adult Soft Tissue Sarcoma AJCC v7", "Stage II Adult Soft Tissue Sarcoma AJCC v7", "Stage III Adult Soft Tissue Sarcoma AJCC v7", "Stage IV Adult Soft Tissue Sarcoma AJCC v7", "Untreated Childhood Rhabdomyosarcoma" ], "interventions": [ { "name": "Cytology Specimen Collection Procedure", "type": "OTHER" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "50 Years", "sex": "ALL", "summary": "Up to 50 Years" }, "enrollment_count": 150, "start_date": "1999-03-15", "completion_date": "2023-09-30", "has_results": false, "last_update_posted_date": "2023-10-03", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 214, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 149 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00919269" }, { "nct_id": "NCT02595879", "title": "Triapine With Chemotherapy and Radiation Therapy in Treating Patients With IB2-IVA Cervical or Vaginal Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Advanced Cervical Adenocarcinoma", "Advanced Cervical Adenosquamous Carcinoma", "Advanced Cervical Squamous Cell Carcinoma", "Advanced Vaginal Adenocarcinoma", "Advanced Vaginal Adenosquamous Carcinoma", "Advanced Vaginal Squamous Cell Carcinoma", "Stage IB2 Cervical Cancer AJCC v6 and v7", "Stage II Cervical Cancer AJCC v7", "Stage II Vaginal Cancer AJCC v6 and v7", "Stage III Vaginal Cancer AJCC v6 and v7", "Stage IIIB Cervical Cancer AJCC v6 and v7", "Stage IVA Cervical Cancer AJCC v6 and v7", "Stage IVA Vaginal Cancer AJCC v6 and v7" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Brachytherapy", "type": "RADIATION" }, { "name": "Cisplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Fludeoxyglucose F-18", "type": "OTHER" }, { "name": "High-Dose Rate Brachytherapy", "type": "RADIATION" }, { "name": "Intensity-Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Pharmacological Study", "type": "OTHER" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Triapine", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "RADIATION", "DRUG", "OTHER" ], "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": 21, "start_date": "2019-09-18", "completion_date": "2027-04-29", "has_results": true, "last_update_posted_date": "2026-10-30", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 17, "location_summary": "Birmingham, Alabama • Los Angeles, California • Pasadena, California + 13 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Pasadena", "state": "California" }, { "city": "Fairway", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02595879" }, { "nct_id": "NCT01281995", "title": "Effects of Systemically Administered Hydrocortisone on the Immune System in Healthy Volunteers", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Immunosuppression", "Healthy", "Healthy Subjects" ], "interventions": [], "intervention_types": [], "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 22, "start_date": "2011-01-21", "completion_date": "2018-08-30", "has_results": false, "last_update_posted_date": "2018-09-04", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01281995" }, { "nct_id": "NCT02494453", "title": "Pilot Study of Biomarkers and Cardiac MRI as Early Indicators of Cardiac Exposure Following Breast Radiotherapy", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "Research Cardiac MRI", "type": "PROCEDURE" }, { "name": "Biomarkers", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of Michigan Rogel 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": 23, "start_date": "2015-06", "completion_date": "2017-07", "has_results": false, "last_update_posted_date": "2019-07-30", "last_synced_at": "2026-11-02T02:16:42.525Z", "location_count": 1, "location_summary": "Ann Arbor, Michigan", "locations": [ { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT02494453" } ] }