{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Sample+Collection&page=7", "query": { "intervention": "Biological Sample Collection", "page": 7 }, "page_size": 10 }, "pagination": { "page": 7, "page_size": 10, "total_count": 2432, "total_pages": 244, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Sample+Collection&page=8&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Sample+Collection&page=6&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-17T18:04:43.483Z", "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": "NCT04954885", "title": "Evaluating Modifiable Biomarkers for the Prediction of Immunotherapy Response and Toxicity", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Lung Non-Squamous Non-Small Cell Carcinoma", "Stage IIIB Lung Cancer AJCC v8", "Stage IV Lung Cancer AJCC v8", "Stage IVA Lung Cancer AJCC v8", "Stage IVB Lung Cancer AJCC v8" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Physical Performance Testing", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "Ohio State University Comprehensive 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": 2, "start_date": "2021-05-18", "completion_date": "2022-10-12", "has_results": false, "last_update_posted_date": "2025-01-27", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT04954885" }, { "nct_id": "NCT01955499", "title": "Lenalidomide and Ibrutinib in Treating Patients With Relapsed or Refractory B-Cell Non-Hodgkin Lymphoma", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Recurrent Diffuse Large B-Cell Lymphoma", "Recurrent Follicular Lymphoma", "Recurrent Lymphoplasmacytic Lymphoma", "Recurrent Mantle Cell Lymphoma", "Recurrent Marginal Zone Lymphoma", "Refractory Diffuse Large B-Cell Lymphoma", "Refractory Follicular Lymphoma", "Refractory Lymphoplasmacytic Lymphoma", "Refractory Mantle Cell Lymphoma", "Refractory Marginal Zone Lymphoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Marrow Aspiration", "type": "PROCEDURE" }, { "name": "Bone Marrow Biopsy", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Ibrutinib", "type": "DRUG" }, { "name": "Lenalidomide", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "DRUG" ], "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": 39, "start_date": "2013-09-24", "completion_date": "2027-05-06", "has_results": false, "last_update_posted_date": "2026-05-13", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 2, "location_summary": "Chicago, Illinois • Columbus, Ohio", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT01955499" }, { "nct_id": "NCT04366544", "title": "Effects of an 8-day Advanced Meditation, Samyama on Physical, Psychological and Spiritual Wellbeing ,and Associated Neural Mechanisms", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Mental Health Wellness 1", "Happiness", "Depression", "Consciousness, Level Altered", "Ecstasy", "Dietary Habits", "Stress", "Inflammatory Bowel Diseases" ], "interventions": [ { "name": "Part A1: Survey", "type": "OTHER" }, { "name": "Part A2: Sample collection", "type": "OTHER" }, { "name": "Part B:", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Indiana University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 759, "start_date": "2018-01-19", "completion_date": "2018-07-31", "has_results": false, "last_update_posted_date": "2024-10-03", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Indianapolis, Indiana", "locations": [ { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT04366544" }, { "nct_id": "NCT03817398", "title": "Stopping Tyrosine Kinase Inhibitors in Affecting Treatment-Free Remission in Patients With Chronic Phase Chronic Myeloid Leukemia", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Drug Withdrawn", "type": "OTHER" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Tyrosine Kinase Inhibitor", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "OTHER", "DRUG" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "25 Years", "sex": "ALL", "summary": "Up to 25 Years" }, "enrollment_count": 110, "start_date": "2019-11-08", "completion_date": "2026-09-30", "has_results": false, "last_update_posted_date": "2026-07-16", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 157, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 123 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Mesa", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03817398" }, { "nct_id": "NCT04426812", "title": "Measuring Chronic Pain Impact: Measurement Enhancement for Chronic Pain", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Chronic Pain" ], "interventions": [ { "name": "No intervention; just data collection", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "RAND", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 11146, "start_date": "2021-08-30", "completion_date": "2024-11-25", "has_results": false, "last_update_posted_date": "2024-11-27", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Santa Monica, California", "locations": [ { "city": "Santa Monica", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04426812" }, { "nct_id": "NCT02131298", "title": "Effect Of Itraconazole On The Pharmacokinetics Of Palbociclib", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "Palbociclib Alone", "type": "DRUG" }, { "name": "Palbociclib plus itraconazole", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 12, "start_date": "2014-05", "completion_date": "2014-06", "has_results": false, "last_update_posted_date": "2014-06-30", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT02131298" }, { "nct_id": "NCT05786664", "title": "Breast Cancer Survivorship Biorepository", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Anatomic Stage I Breast Cancer AJCC v8", "Anatomic Stage II Breast Cancer AJCC v8", "Anatomic Stage III Breast Cancer AJCC v8", "Invasive Breast Carcinoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Electronic Health Record Review", "type": "OTHER" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Survey Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "University of Southern California", "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": 1300, "start_date": "2022-04-11", "completion_date": "2028-04-11", "has_results": false, "last_update_posted_date": "2026-05-28", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05786664" }, { "nct_id": "NCT00186147", "title": "Bone Marrow Grafting for Leukemia and Lymphoma", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Leukemia", "Lymphoma", "Hematologic Diseases" ], "interventions": [ { "name": "collection and storage of tissue samples for research", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Stanford University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 9999, "start_date": "1988-03", "completion_date": "2069-12", "has_results": false, "last_update_posted_date": "2025-12-18", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00186147" }, { "nct_id": "NCT00720304", "title": "Erlotinib, Docetaxel, and Radiation Therapy in Stage III or Stage IV Squamous Cell Carcinoma of the Head and Neck", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Head and Neck Cancer" ], "interventions": [ { "name": "docetaxel", "type": "DRUG" }, { "name": "erlotinib hydrochloride", "type": "DRUG" }, { "name": "fluorescence in situ hybridization", "type": "GENETIC" }, { "name": "polymerase chain reaction", "type": "GENETIC" }, { "name": "immunoenzyme technique", "type": "OTHER" }, { "name": "immunohistochemistry staining method", "type": "OTHER" }, { "name": "laboratory biomarker analysis", "type": "OTHER" }, { "name": "pharmacological study", "type": "OTHER" }, { "name": "therapeutic conventional surgery", "type": "PROCEDURE" }, { "name": "intensity-modulated radiation therapy", "type": "RADIATION" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "GENETIC", "OTHER", "PROCEDURE", "RADIATION" ], "sponsor": "Case Comprehensive 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": 43, "start_date": "2007-11-19", "completion_date": "2015-11-13", "has_results": true, "last_update_posted_date": "2024-08-22", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00720304" }, { "nct_id": "NCT00048984", "title": "Diagnostic Study of Tumor Characteristics in Patients With Ewing's Sarcoma", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Localized Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor", "Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor", "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor" ], "interventions": [ { "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": 637, "start_date": "2003-01", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-06-24", "last_synced_at": "2026-10-17T18:04:43.483Z", "location_count": 1, "location_summary": "Arcadia, California", "locations": [ { "city": "Arcadia", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00048984" } ] }