{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Correlative+laboratory+samples&page=9", "query": { "intervention": "Correlative laboratory samples", "page": 9 }, "page_size": 10 }, "pagination": { "page": 9, "page_size": 10, "total_count": 223, "total_pages": 23, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Correlative+laboratory+samples&page=10&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Correlative+laboratory+samples&page=8&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-19T16:00:19.219Z", "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": "NCT01614808", "title": "Studying Biomarkers in Urine Samples From Younger Patients With Wilms Tumor", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Recurrent Wilms Tumor and Other Childhood Kidney Tumors", "Stage III Wilms 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": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 90, "start_date": "2012-06", "completion_date": "2012-06", "has_results": false, "last_update_posted_date": "2015-05-07", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Monrovia, California", "locations": [ { "city": "Monrovia", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01614808" }, { "nct_id": "NCT01807052", "title": "Biomarker Expression in Tissue Samples From Patients With Bone Sarcomas", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Localized Osteosarcoma", "Metastatic Osteosarcoma", "Recurrent Osteosarcoma" ], "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": "39 Years", "sex": "ALL", "summary": "Up to 39 Years" }, "enrollment_count": 34, "start_date": "2009-11", "completion_date": "2016-05", "has_results": false, "last_update_posted_date": "2016-05-19", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Monrovia, California", "locations": [ { "city": "Monrovia", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01807052" }, { "nct_id": "NCT00569309", "title": "Immune Reconstitution After Autologous Hematopoietic Stem Cell Transpl for High-Risk Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Lymphoma", "Multiple Myeloma and Plasma Cell Neoplasm", "Small Intestine Cancer" ], "interventions": [ { "name": "Streptococcus pneumoniae", "type": "BIOLOGICAL" }, { "name": "laboratory correlative studies", "type": "OTHER" }, { "name": "quality-of-life assessment", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "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": 30, "start_date": "2007-12-12", "completion_date": "2011-07-29", "has_results": true, "last_update_posted_date": "2018-03-12", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00569309" }, { "nct_id": "NCT02664883", "title": "Myeloid Derived Suppressor Cells Clinical Assay in Finding Kidney Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Healthy Subject", "Metastatic Renal Cell Cancer", "Recurrent Renal Cell Carcinoma", "Stage I Renal Cell Cancer", "Stage II Renal Cell Cancer", "Stage III Renal Cell Cancer" ], "interventions": [ { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Cytology Specimen Collection Procedure", "type": "OTHER" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "University of Southern California", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "25 Years", "maximum_age": null, "sex": "ALL", "summary": "25 Years and older" }, "enrollment_count": 37, "start_date": "2015-09-08", "completion_date": "2026-10-29", "has_results": false, "last_update_posted_date": "2026-04-02", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02664883" }, { "nct_id": "NCT03122743", "title": "Collection of Serum Samples in Studying Emotional Stress in Patients With Prostate Cancer", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hormone-Resistant Prostate Cancer", "Recurrent Prostate Carcinoma", "Stage I Prostate Cancer", "Stage II Prostate Cancer", "Stage IIA Prostate Cancer", "Stage IIB Prostate Cancer" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "Wake Forest University Health Sciences", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "MALE", "summary": "18 Years and older · Male only" }, "enrollment_count": 61, "start_date": "2017-02-22", "completion_date": "2020-09-24", "has_results": false, "last_update_posted_date": "2022-03-10", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Winston-Salem, North Carolina", "locations": [ { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03122743" }, { "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": "2026-10-19T16:00:19.219Z", "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": "NCT07461948", "title": "Advanced Imaging Techniques for Evaluating the Tumor Immune Microenvironment in Glioblastoma Patients", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Glioblastoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Chemical Exchange Saturation Transfer Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Diffusion-Relaxation Correlation Spectrum Imaging", "type": "PROCEDURE" }, { "name": "Electronic Health Record Review", "type": "OTHER" }, { "name": "Ferumoxytol", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "OTHER", "DRUG", "RADIATION" ], "sponsor": "Jonsson 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": 15, "start_date": "2025-10-27", "completion_date": "2028-10-27", "has_results": false, "last_update_posted_date": "2026-03-10", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07461948" }, { "nct_id": "NCT00897507", "title": "DNA Analysis of Tumor Tissue Samples From Young Patients With Acute Lymphoblastic Leukemia", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Childhood Acute Lymphoblastic Leukemia in Remission", "Recurrent Childhood Acute Lymphoblastic Leukemia" ], "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": "18 Years", "sex": "ALL", "summary": "Up to 18 Years" }, "enrollment_count": 520, "start_date": "2004-05-13", "completion_date": null, "has_results": false, "last_update_posted_date": "2022-08-15", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT00897507" }, { "nct_id": "NCT02132845", "title": "Next Generation Sequence Target-Directed Therapy in Treating Patients With Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Malignant Neoplasm" ], "interventions": [ { "name": "cytology specimen collection procedure", "type": "OTHER" }, { "name": "targeted therapy", "type": "DRUG" }, { "name": "therapeutic procedure", "type": "PROCEDURE" }, { "name": "laboratory biomarker analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER", "DRUG", "PROCEDURE" ], "sponsor": "Fox Chase 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": 30, "start_date": "2016-03-17", "completion_date": "2018-05-10", "has_results": false, "last_update_posted_date": "2021-02-04", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02132845" }, { "nct_id": "NCT01000259", "title": "Study of Tumor Tissue Samples From Patients Who Have Undergone Surgery for Advanced Stage III or Stage IV Ovarian Epithelial Cancer", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Stage IIIA Ovarian Cancer", "Stage IIIB Ovarian Cancer", "Stage IIIC Ovarian Cancer", "Stage IV Ovarian Cancer" ], "interventions": [ { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Gynecologic Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "FEMALE", "summary": "Female only" }, "enrollment_count": 174, "start_date": "2004-09", "completion_date": null, "has_results": false, "last_update_posted_date": "2017-05-05", "last_synced_at": "2026-10-19T16:00:19.219Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01000259" } ] }