{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+tissue+sampling", "query": { "intervention": "Blood and tissue sampling" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 99, "total_pages": 10, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+tissue+sampling&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-08T01:16:04.172Z", "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": "NCT00919750", "title": "Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Childhood Atypical Teratoid/Rhabdoid Tumor", "Childhood Central Nervous System Germ Cell Tumor", "Childhood Cerebral Anaplastic Astrocytoma", "Childhood Cerebral Astrocytoma", "Childhood Choroid Plexus Neoplasm", "Childhood Craniopharyngioma", "Childhood Grade I Meningioma", "Childhood Grade II Meningioma", "Childhood Grade III Meningioma", "Childhood Infratentorial Ependymoma", "Childhood Oligodendroglioma", "Childhood Supratentorial Ependymoma", "Ependymoma", "Newly Diagnosed Childhood Ependymoma", "Recurrent Childhood Cerebellar Astrocytoma", "Recurrent Childhood Cerebral Astrocytoma", "Recurrent Childhood Ependymoma", "Recurrent Childhood Medulloblastoma", "Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified", "Recurrent Childhood Visual Pathway Glioma" ], "interventions": [ { "name": "Cytology Specimen Collection Procedure", "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": 1258, "start_date": "2004-02-16", "completion_date": "2018-06-30", "has_results": false, "last_update_posted_date": "2018-07-16", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 163, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00919750" }, { "nct_id": "NCT00897442", "title": "Collecting Tumor Samples From Patients With Gynecological Tumors", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Borderline Ovarian Clear Cell Tumor", "Borderline Ovarian Serous Tumor", "Cervical Adenocarcinoma", "Cervical Adenosquamous Carcinoma", "Cervical Small Cell Carcinoma", "Cervical Squamous Cell Carcinoma, Not Otherwise Specified", "Childhood Embryonal Rhabdomyosarcoma", "Childhood Malignant Ovarian Germ Cell Tumor", "Endometrioid Stromal Sarcoma", "Gestational Trophoblastic Tumor", "Malignant Mesothelioma", "Malignant Ovarian Epithelial Tumor", "Melanoma", "Neoplasm of Uncertain Malignant Potential", "Ovarian Brenner Tumor", "Ovarian Clear Cell Cystadenocarcinoma", "Ovarian Serous Cystadenocarcinoma", "Paget Disease of the Vulva", "Recurrent Cervical Carcinoma", "Recurrent Fallopian Tube Carcinoma", "Recurrent Ovarian Carcinoma", "Recurrent Ovarian Germ Cell Tumor", "Recurrent Primary Peritoneal Carcinoma", "Recurrent Uterine Corpus Carcinoma", "Recurrent Vaginal Carcinoma", "Recurrent Vulvar Carcinoma", "Stage I Ovarian Cancer", "Stage I Uterine Corpus Cancer", "Stage I Vaginal Cancer", "Stage I Vulvar Cancer", "Stage IA Cervical Cancer", "Stage IA Fallopian Tube Cancer", "Stage IA Ovarian Cancer", "Stage IA Ovarian Germ Cell Tumor", "Stage IB Cervical Cancer", "Stage IB Fallopian Tube Cancer", "Stage IB Ovarian Cancer", "Stage IB Ovarian Germ Cell Tumor", "Stage IC Fallopian Tube Cancer", "Stage IC Ovarian Cancer", "Stage IC Ovarian Germ Cell Tumor", "Stage II Ovarian Cancer", "Stage II Uterine Corpus Cancer", "Stage II Vaginal Cancer", "Stage II Vulvar Cancer", "Stage IIA Cervical Cancer", "Stage IIA Fallopian Tube Cancer", "Stage IIA Ovarian Cancer", "Stage IIA Ovarian Germ Cell Tumor", "Stage IIB Cervical Cancer", "Stage IIB Fallopian Tube Cancer", "Stage IIB Ovarian Cancer", "Stage IIB Ovarian Germ Cell Tumor", "Stage IIC Fallopian Tube Cancer", "Stage IIC Ovarian Cancer", "Stage IIC Ovarian Germ Cell Tumor", "Stage III Borderline Ovarian Surface Epithelial-Stromal Tumor", "Stage III Cervical Cancer", "Stage III Uterine Corpus Cancer", "Stage III Vaginal Cancer", "Stage III Vulvar Cancer", "Stage IIIA Fallopian Tube Cancer", "Stage IIIA Ovarian Cancer", "Stage IIIA Ovarian Germ Cell Tumor", "Stage IIIA Primary Peritoneal Cancer", "Stage IIIB Fallopian Tube Cancer", "Stage IIIB Ovarian Cancer", "Stage IIIB Ovarian Germ Cell Tumor", "Stage IIIB Primary Peritoneal Cancer", "Stage IIIC Fallopian Tube Cancer", "Stage IIIC Ovarian Cancer", "Stage IIIC Ovarian Germ Cell Tumor", "Stage IIIC Primary Peritoneal Cancer", "Stage IV Borderline Ovarian Surface Epithelial-Stromal Tumor", "Stage IV Fallopian Tube Cancer", "Stage IV Ovarian Cancer", "Stage IV Primary Peritoneal Cancer", "Stage IV Uterine Corpus Cancer", "Stage IVA Cervical Cancer", "Stage IVA Vaginal Cancer", "Stage IVB Cervical Cancer", "Stage IVB Vaginal Cancer", "Stage IVB Vulvar Cancer", "Uterine Corpus Cancer", "Uterine Corpus Leiomyosarcoma", "Vulvar Squamous Cell Carcinoma" ], "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": 275, "start_date": "1992-06", "completion_date": null, "has_results": false, "last_update_posted_date": "2016-10-28", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 187, "location_summary": "Fayetteville, Arkansas • Little Rock, Arkansas • Burbank, California + 128 more", "locations": [ { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Burbank", "state": "California" }, { "city": "Long Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00897442" }, { "nct_id": "NCT01330199", "title": "Pharmacokinetics of Tenofovir, Emtricitabine, Maraviroc, and Raltegravir in Cervical, Vaginal, and Rectal Tissues and Secretions", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy Adult Females" ], "interventions": [ { "name": "Pharmacokinetic Sampling", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "49 Years", "sex": "FEMALE", "summary": "18 Years to 49 Years · Female only" }, "enrollment_count": 49, "start_date": "2012-02", "completion_date": "2013-08", "has_results": false, "last_update_posted_date": "2013-09-17", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01330199" }, { "nct_id": "NCT04454528", "title": "BreastVAX: Radiation Boost to Enhance Immune Checkpoint Blockade Therapy", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "Hypofractionated radiotherapy", "type": "RADIATION" }, { "name": "Pembrolizumab infusion", "type": "DRUG" }, { "name": "Blood and tissue sampling", "type": "PROCEDURE" } ], "intervention_types": [ "RADIATION", "DRUG", "PROCEDURE" ], "sponsor": "Abramson Cancer Center at Penn Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 27, "start_date": "2020-12-07", "completion_date": "2027-08", "has_results": false, "last_update_posted_date": "2026-03-10", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04454528" }, { "nct_id": "NCT00780481", "title": "Characterization of Brachial Arterial t-PA Release, Endothelial Function, Obesity and Inflammation", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity" ], "interventions": [ { "name": "Bradykinin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vanderbilt University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 13, "start_date": "2007-01", "completion_date": "2011-05", "has_results": true, "last_update_posted_date": "2017-07-14", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00780481" }, { "nct_id": "NCT00677651", "title": "Sex Differences in Gene Expression in Human Adipose Tissue", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Healthy", "Obesity" ], "interventions": [ { "name": "Adipose Biopsy", "type": "PROCEDURE" }, { "name": "Blood sample", "type": "PROCEDURE" }, { "name": "CT Scan", "type": "RADIATION" }, { "name": "DEXA", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "RADIATION" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "20 Years to 35 Years" }, "enrollment_count": 10, "start_date": "2008-04", "completion_date": "2009-08", "has_results": false, "last_update_posted_date": "2009-08-18", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 1, "location_summary": "La Jolla, California", "locations": [ { "city": "La Jolla", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00677651" }, { "nct_id": "NCT00780377", "title": "Intracoronary Bradykinin Mediated t-PA Release in Heart Transplant Recipients", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Heart Transplantation" ], "interventions": [ { "name": "Bradykinin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vanderbilt University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 0, "start_date": "2008-10", "completion_date": "2011-05", "has_results": false, "last_update_posted_date": "2017-03-20", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00780377" }, { "nct_id": "NCT02228265", "title": "Molecular Features and Pathways in Predicting Drug Resistance in Patients With Metastatic Castration-Resistant Prostate Cancer Receiving Enzalutamide", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Castration Levels of Testosterone", "Castration-Resistant Prostate Carcinoma", "Prostate Adenocarcinoma", "PSA Progression", "Recurrent Prostate Carcinoma", "Stage IV Prostate Cancer" ], "interventions": [ { "name": "Cytology Specimen Collection Procedure", "type": "OTHER" }, { "name": "Enzalutamide", "type": "DRUG" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER", "DRUG" ], "sponsor": "OHSU Knight Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "MALE", "summary": "Male only" }, "enrollment_count": 41, "start_date": "2013-03-12", "completion_date": "2020-02-27", "has_results": false, "last_update_posted_date": "2020-09-28", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 3, "location_summary": "Los Angeles, California • San Francisco, California • Portland, Oregon", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Portland", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT02228265" }, { "nct_id": "NCT02132884", "title": "Genetic Sequencing-Informed Targeted Therapy in Treating Patients With Stage IIIB-IV Non-small Cell Lung Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Malignant Pericardial Effusion", "Malignant Pleural Effusion", "Recurrent Non-small Cell Lung Cancer", "Stage IIIB Non-small Cell Lung Cancer", "Stage IV Non-small Cell Lung Cancer" ], "interventions": [ { "name": "cytology specimen collection procedure", "type": "OTHER" }, { "name": "therapeutic procedure", "type": "PROCEDURE" }, { "name": "targeted therapy", "type": "DRUG" }, { "name": "laboratory biomarker analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER", "PROCEDURE", "DRUG" ], "sponsor": "Fox Chase Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 1, "start_date": "2015-03", "completion_date": "2016-08", "has_results": true, "last_update_posted_date": "2019-09-04", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02132884" }, { "nct_id": "NCT02402244", "title": "Project: Every Child for Younger Patients With Cancer", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Adrenal Gland Pheochromocytoma", "Carcinoma In Situ", "Central Nervous System Neoplasm", "Childhood Immature Teratoma", "Childhood Kidney Neoplasm", "Childhood Langerhans Cell Histiocytosis", "Childhood Mature Teratoma", "Congenital Mesoblastic Nephroma", "Desmoid Fibromatosis", "Ganglioneuroma", "Lymphoproliferative Disorder", "Malignant Neoplasm", "Malignant Solid Neoplasm", "Melanocytic Neoplasm", "Myeloproliferative Neoplasm", "Neoplasm of Uncertain Malignant Potential", "Neuroendocrine Neoplasm", "Stromal Neoplasm" ], "interventions": [ { "name": "Cytology Specimen Collection Procedure", "type": "OTHER" }, { "name": "Medical Chart Review", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "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": 75000, "start_date": "2015-11-03", "completion_date": "2030-12-31", "has_results": false, "last_update_posted_date": "2026-08-25", "last_synced_at": "2026-09-08T01:16:04.172Z", "location_count": 246, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 177 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Kingman", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT02402244" } ] }