{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=83", "query": { "intervention": "Ancillary Study", "page": 83 }, "page_size": 10 }, "pagination": { "page": 83, "page_size": 10, "total_count": 2165, "total_pages": 217, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=84&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=82&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-01T23:30:56.514Z", "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": "NCT01644591", "title": "Stereotactic Radiosurgery in Treating Patients With Greater Than 3 Melanoma Brain Metastases", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Clinical Stage IV Cutaneous Melanoma AJCC v8", "Metastatic Malignant Neoplasm in the Brain", "Metastatic Melanoma", "Pathologic Stage IV Cutaneous Melanoma AJCC v8" ], "interventions": [ { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Stereotactic Radiosurgery", "type": "RADIATION" } ], "intervention_types": [ "OTHER", "RADIATION" ], "sponsor": "M.D. Anderson 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": 49, "start_date": "2012-08-02", "completion_date": "2028-08-31", "has_results": false, "last_update_posted_date": "2026-08-20", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01644591" }, { "nct_id": "NCT04214262", "title": "Testing the Addition of the Drug Atezolizumab to the Usual Radiation Treatment for Patients With Early Non-small Cell Lung Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Lung Non-Small Cell Carcinoma", "Stage I Lung Cancer AJCC v8", "Stage II Lung Cancer AJCC v8" ], "interventions": [ { "name": "Atezolizumab", "type": "DRUG" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Fludeoxyglucose F-18", "type": "OTHER" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "PROCEDURE", "OTHER", "RADIATION" ], "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": 417, "start_date": "2020-08-13", "completion_date": "2027-06-09", "has_results": true, "last_update_posted_date": "2026-10-27", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 390, "location_summary": "Anchorage, Alaska • Jonesboro, Arkansas • Little Rock, Arkansas + 290 more", "locations": [ { "city": "Anchorage", "state": "Alaska" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Antioch", "state": "California" }, { "city": "Bakersfield", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04214262" }, { "nct_id": "NCT05241860", "title": "Testing Interruption of Hormonal Medications in Patients Responding Exceptionally to Therapy for Metastatic Prostate Cancer, (A-DREAM)", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Castration-Sensitive Prostate Carcinoma", "Stage IV Prostate Cancer AJCC v8" ], "interventions": [ { "name": "Pharmacotherapy Discontinuation", "type": "OTHER" }, { "name": "Follow-Up", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Alliance for Clinical Trials in Oncology", "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": 79, "start_date": "2022-11-21", "completion_date": "2033-09-01", "has_results": true, "last_update_posted_date": "2026-09-24", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 326, "location_summary": "Phoenix, Arizona • Fort Smith, Arkansas • Little Rock, Arkansas + 234 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Fort Smith", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Arroyo Grande", "state": "California" }, { "city": "Carmichael", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05241860" }, { "nct_id": "NCT02912559", "title": "Combination Chemotherapy With or Without Atezolizumab in Treating Patients With Stage III Colon Cancer and Deficient DNA Mismatch Repair", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Colon Adenocarcinoma", "DNA Repair Disorder", "Lynch Syndrome", "Stage III Colon Cancer AJCC v8" ], "interventions": [ { "name": "Atezolizumab", "type": "DRUG" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Fluorouracil", "type": "DRUG" }, { "name": "Leucovorin Calcium", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Oxaliplatin", "type": "DRUG" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" } ], "intervention_types": [ "DRUG", "PROCEDURE", "OTHER" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 712, "start_date": "2017-10-16", "completion_date": "2026-12-18", "has_results": true, "last_update_posted_date": "2026-10-28", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1026, "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Phoenix, Arizona + 683 more", "locations": [ { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" } ], "official_url": "https://clinicaltrials.gov/study/NCT02912559" }, { "nct_id": "NCT01407341", "title": "Beta-Tricalcium Phosphate Bone Graft in Treating Patients Undergoing Surgery For Metastatic Spine Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Adult Spinal Cord Neoplasm", "Spinal Bone Metastases", "Spinal Cord Compression" ], "interventions": [ { "name": "musculoskeletal complications management/prevention", "type": "PROCEDURE" }, { "name": "bone graft", "type": "PROCEDURE" }, { "name": "quality-of-life assessment", "type": "PROCEDURE" }, { "name": "questionnaire administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "University of Southern California", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 1, "start_date": "2011-06", "completion_date": "2012-08", "has_results": false, "last_update_posted_date": "2014-02-06", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01407341" }, { "nct_id": "NCT05059678", "title": "Parenting Support Intervention for Families Coping With Metastatic or Locally Recurrent Solid Tumor Diagnosis", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Metastatic Malignant Solid Neoplasm", "Recurrent Malignant Solid Neoplasm" ], "interventions": [ { "name": "Best Practice", "type": "OTHER" }, { "name": "Educational Intervention", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 120, "start_date": "2021-11-30", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2026-09-25", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT05059678" }, { "nct_id": "NCT03819985", "title": "Shorter Course, Hypofractionated Pre-Surgery Radiation Therapy in Treating Patients With Localized, Resectable Soft Tissue Sarcoma of the Extremity of Superficial Trunk", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Resectable Soft Tissue Sarcoma", "Stage I Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8", "Stage IA Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8", "Stage IB Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8", "Stage II Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8", "Stage III Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8", "Stage IIIA Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8", "Stage IIIB Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8" ], "interventions": [ { "name": "Hypofractionated Radiation Therapy", "type": "RADIATION" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "RADIATION", "OTHER" ], "sponsor": "M.D. Anderson 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": 122, "start_date": "2018-12-17", "completion_date": "2027-08-31", "has_results": false, "last_update_posted_date": "2026-09-14", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03819985" }, { "nct_id": "NCT04290585", "title": "Technology and Health Communication in Improving Health Outcomes in Patients Scheduled for Mammography", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Female Breast Carcinoma", "Healthy Subject" ], "interventions": [ { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Telephone-Based Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "OTHER", "BEHAVIORAL" ], "sponsor": "Fox Chase Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "FEMALE", "summary": "Female only" }, "enrollment_count": 160, "start_date": "2014-03-05", "completion_date": "2017-10", "has_results": false, "last_update_posted_date": "2020-03-02", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04290585" }, { "nct_id": "NCT01575548", "title": "Pazopanib Hydrochloride in Treating Patients With Metastatic Kidney Cancer Who Have No Evidence of Disease After Surgery", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Clear Cell Renal Cell Carcinoma", "Stage IV Renal Cell Cancer AJCC v7" ], "interventions": [ { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Pazopanib Hydrochloride", "type": "DRUG" }, { "name": "Placebo Administration", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "DRUG", "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": 129, "start_date": "2012-08-08", "completion_date": "2027-02-20", "has_results": true, "last_update_posted_date": "2026-10-26", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 579, "location_summary": "Fairbanks, Alaska • Tucson, Arizona • Hot Springs, Arkansas + 355 more", "locations": [ { "city": "Fairbanks", "state": "Alaska" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Hot Springs", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01575548" }, { "nct_id": "NCT06442891", "title": "Self-Administered Relaxing Acupressure to Reduce Fatigue in Adolescent and Young Adult Cancer Survivors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hematopoietic and Lymphatic System Neoplasm", "Malignant Solid Neoplasm" ], "interventions": [ { "name": "Acupressure Therapy", "type": "PROCEDURE" }, { "name": "Internet-Based Intervention", "type": "OTHER" }, { "name": "Interview", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "University of Michigan Rogel Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "15 Years", "maximum_age": "39 Years", "sex": "ALL", "summary": "15 Years to 39 Years" }, "enrollment_count": 42, "start_date": "2024-10-01", "completion_date": "2025-12-22", "has_results": true, "last_update_posted_date": "2026-06-23", "last_synced_at": "2026-11-01T23:30:56.514Z", "location_count": 1, "location_summary": "Ann Arbor, Michigan", "locations": [ { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT06442891" } ] }