{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=25", "query": { "intervention": "Ancillary Study", "page": 25 }, "page_size": 10 }, "pagination": { "page": 25, "page_size": 10, "total_count": 2162, "total_pages": 217, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=26&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=24&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-20T13:51:07.297Z", "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": "NCT03959085", "title": "Inotuzumab Ozogamicin and Post-Induction Chemotherapy in Treating Patients With High-Risk B-ALL, Mixed Phenotype Acute Leukemia, and B-LLy", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "B Acute Lymphoblastic Leukemia", "B Lymphoblastic Lymphoma", "Central Nervous System Leukemia", "Mixed Phenotype Acute Leukemia", "Testicular Leukemia" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Blinatumomab", "type": "BIOLOGICAL" }, { "name": "Bone Marrow Aspiration", "type": "PROCEDURE" }, { "name": "Bone Marrow Biopsy", "type": "PROCEDURE" }, { "name": "Bone Scan", "type": "PROCEDURE" }, { "name": "Calaspargase Pegol", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Daunorubicin Hydrochloride", "type": "DRUG" }, { "name": "Dexamethasone", "type": "DRUG" }, { "name": "Doxorubicin Hydrochloride", "type": "DRUG" }, { "name": "Inotuzumab Ozogamicin", "type": "BIOLOGICAL" }, { "name": "Leucovorin Calcium", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Mercaptopurine", "type": "DRUG" }, { "name": "Methotrexate", "type": "DRUG" }, { "name": "Pegaspargase", "type": "DRUG" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Prednisolone", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Radiation Therapy", "type": "RADIATION" }, { "name": "Thioguanine", "type": "DRUG" }, { "name": "Vincristine Sulfate", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "BIOLOGICAL", "DRUG", "OTHER", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "365 Days", "maximum_age": "25 Years", "sex": "ALL", "summary": "365 Days to 25 Years" }, "enrollment_count": 5951, "start_date": "2019-10-31", "completion_date": "2032-03-31", "has_results": false, "last_update_posted_date": "2026-08-25", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 203, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 155 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Mesa", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT03959085" }, { "nct_id": "NCT04955808", "title": "Biospecimen Collection in Identifying Genetic Changes in Patients With Breast, Prostate, Colorectal, Liver, or Kidney Cancer or Multiple Myeloma Undergoing Surgery", "overall_status": "SUSPENDED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Breast Carcinoma", "Colon Carcinoma", "Invasive Carcinoma", "Kidney Carcinoma", "Liver Carcinoma", "Malignant Solid Neoplasm", "Multiple Myeloma", "Prostate Carcinoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "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": 2400, "start_date": "2017-02-07", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2026-05-13", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 1, "location_summary": "Rockville, Maryland", "locations": [ { "city": "Rockville", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT04955808" }, { "nct_id": "NCT03146078", "title": "Rate of Progression in USH2A-related Retinal Degeneration", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Usher Syndrome, Type 2A", "Retinitis Pigmentosa 39" ], "interventions": [], "intervention_types": [], "sponsor": "Jaeb Center for Health Research", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "8 Years", "maximum_age": null, "sex": "ALL", "summary": "8 Years and older" }, "enrollment_count": 127, "start_date": "2017-08-11", "completion_date": "2029-12-15", "has_results": false, "last_update_posted_date": "2026-07-23", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 9, "location_summary": "San Francisco, California • Gainesville, Florida • Baltimore, Maryland + 6 more", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT03146078" }, { "nct_id": "NCT02933489", "title": "Abbreviated Breast MRI and Digital Tomosynthesis Mammography in Screening Women With Dense Breasts", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Asymptomatic" ], "interventions": [ { "name": "Contrast-enhanced Magnetic Resonance Imaging", "type": "DIAGNOSTIC_TEST" }, { "name": "Digital Tomosynthesis Mammography", "type": "DIAGNOSTIC_TEST" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DIAGNOSTIC_TEST", "OTHER" ], "sponsor": "ECOG-ACRIN Cancer Research Group", "sponsor_class": "NETWORK", "healthy_volunteers": true, "eligibility": { "minimum_age": "40 Years", "maximum_age": "75 Years", "sex": "FEMALE", "summary": "40 Years to 75 Years · Female only" }, "enrollment_count": 1516, "start_date": "2016-12-27", "completion_date": "2026-12-31", "has_results": true, "last_update_posted_date": "2026-02-25", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 67, "location_summary": "Gilbert, Arizona • Pasadena, California • Denver, Colorado + 54 more", "locations": [ { "city": "Gilbert", "state": "Arizona" }, { "city": "Pasadena", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Englewood", "state": "Colorado" }, { "city": "Norwalk", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT02933489" }, { "nct_id": "NCT04198922", "title": "Acalabrutinib for the Treatment of Chronic Graft Versus Host Disease", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Recurrent Moderate-Severe Chronic Graft Versus Host Disease", "Hematopoietic and Lymphoid Cell Neoplasm" ], "interventions": [ { "name": "Acalabrutinib", "type": "DRUG" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Fred Hutchinson 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": 51, "start_date": "2020-12-11", "completion_date": "2027-04-30", "has_results": true, "last_update_posted_date": "2026-10-14", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 6, "location_summary": "Tampa, Florida • Buffalo, New York • Columbus, Ohio + 3 more", "locations": [ { "city": "Tampa", "state": "Florida" }, { "city": "Buffalo", "state": "New York" }, { "city": "Columbus", "state": "Ohio" }, { "city": "Nashville", "state": "Tennessee" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04198922" }, { "nct_id": "NCT04788095", "title": "App-Based Mindfulness Intervention for the Improvement of Quality of Life in Patients With Metastatic Renal Cell Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Metastatic Renal Cell Carcinoma", "Stage IV Renal Cell Cancer AJCC v8" ], "interventions": [ { "name": "Behavioral Intervention", "type": "DEVICE" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DEVICE", "OTHER" ], "sponsor": "City of Hope 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": 21, "start_date": "2021-08-23", "completion_date": "2026-10-01", "has_results": false, "last_update_posted_date": "2026-08-19", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04788095" }, { "nct_id": "NCT07658677", "title": "Cannabis Gummy for the Improvement of Sleep and Quality of Life in Patients With Cancer, Pillow Trial", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Hematopoietic and Lymphatic System Neoplasm", "Malignant Solid Neoplasm" ], "interventions": [ { "name": "Actigraphy", "type": "OTHER" }, { "name": "Best Practice", "type": "OTHER" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Ecological Momentary Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Single Agent Therapy", "type": "DRUG" } ], "intervention_types": [ "OTHER", "PROCEDURE", "DRUG" ], "sponsor": "Theodore Brasky PhD", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2027-01-15", "completion_date": "2028-12-31", "has_results": false, "last_update_posted_date": "2026-10-14", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT07658677" }, { "nct_id": "NCT04510077", "title": "SmartQuit Program for Smoking Cessation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cigarette Smoking-Related Carcinoma", "Tobacco-Related Carcinoma" ], "interventions": [ { "name": "SmartQuit Smoking and Tobacco Cessation Program", "type": "BEHAVIORAL" }, { "name": "Survey Administration", "type": "OTHER" } ], "intervention_types": [ "BEHAVIORAL", "OTHER" ], "sponsor": "Fred Hutchinson 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": 99, "start_date": "2014-10-22", "completion_date": "2015-08-11", "has_results": false, "last_update_posted_date": "2020-08-12", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT04510077" }, { "nct_id": "NCT04682301", "title": "Tailoring Shared Decision Making for Lung Cancer Screening in Persons Living With HIV", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Lung Carcinoma" ], "interventions": [ { "name": "Behavioral Intervention", "type": "BEHAVIORAL" }, { "name": "Discussion (focus group)", "type": "OTHER" }, { "name": "Discussion (feedback on SDM)", "type": "OTHER" }, { "name": "Interview", "type": "OTHER" }, { "name": "Survey Administration", "type": "OTHER" } ], "intervention_types": [ "BEHAVIORAL", "OTHER" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 102, "start_date": "2021-02-05", "completion_date": "2023-03-14", "has_results": true, "last_update_posted_date": "2024-05-06", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT04682301" }, { "nct_id": "NCT00563901", "title": "Analyzing How Genetics May Affect Response to High Blood Pressure Medications", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hypertension", "Coronary Disease", "Cerebrovascular Accident" ], "interventions": [], "intervention_types": [], "sponsor": "University of Alabama at Birmingham", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "55 Years", "maximum_age": null, "sex": "ALL", "summary": "55 Years and older" }, "enrollment_count": 37939, "start_date": "2000-09", "completion_date": "2004-05", "has_results": false, "last_update_posted_date": "2014-03-04", "last_synced_at": "2026-10-20T13:51:07.297Z", "location_count": 2, "location_summary": "Minneapolis, Minnesota • Houston, Texas", "locations": [ { "city": "Minneapolis", "state": "Minnesota" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00563901" } ] }