{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=13", "query": { "intervention": "Ancillary Study", "page": 13 }, "page_size": 10 }, "pagination": { "page": 13, "page_size": 10, "total_count": 2162, "total_pages": 217, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=14&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ancillary+Study&page=12&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-19T23:43:42.113Z", "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": "NCT06014827", "title": "Biologically Guided Radiation Therapy (BgRT) and Stereotactic Body Radiation Therapy (SBRT) to Tyrosine Kinase Inhibitor in Oligoprogressive Oncogenic Positive Non-Small Cell Lung Carcinoma", "overall_status": "SUSPENDED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Lung Non-Small Cell Carcinoma", "Stage IV Lung Cancer AJCC v8" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Osimertinib", "type": "DRUG" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" }, { "name": "Survey Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "DRUG", "RADIATION", "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": 32, "start_date": "2024-10-09", "completion_date": "2027-03-09", "has_results": false, "last_update_posted_date": "2026-09-10", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 2, "location_summary": "Duarte, California • New Haven, Connecticut", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT06014827" }, { "nct_id": "NCT06378866", "title": "Stereotactic Body Radiation Therapy Plus Immediate or Delayed Androgen Receptor Pathway Inhibitor and Androgen Deprivation Therapy or Salvage Radiation Therapy for the Treatment of Prostate Cancer, DIVINE Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Recurrent Castration-Sensitive Prostate Carcinoma", "Recurrent Prostate Cancer", "Castration-resistant Prostate Cancer", "Biochemically Recurrent Prostate Carcinoma" ], "interventions": [ { "name": "Abiraterone", "type": "DRUG" }, { "name": "Apalutamide", "type": "DRUG" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Scan", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Darolutamide", "type": "DRUG" }, { "name": "Degarelix", "type": "DRUG" }, { "name": "Enzalutamide", "type": "DRUG" }, { "name": "Goserelin", "type": "DRUG" }, { "name": "Histrelin", "type": "DRUG" }, { "name": "Leuprolide", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Patient Observation", "type": "OTHER" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Relugolix", "type": "DRUG" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" }, { "name": "Triptorelin", "type": "DRUG" }, { "name": "Radiation Therapy", "type": "RADIATION" }, { "name": "Image-Guided Therapy", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE", "OTHER", "RADIATION" ], "sponsor": "Mayo Clinic", "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": 532, "start_date": "2024-06-03", "completion_date": "2031-02-28", "has_results": false, "last_update_posted_date": "2026-07-20", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 3, "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT06378866" }, { "nct_id": "NCT06042569", "title": "Dose-Reduced Docetaxel With Cyclophosphamide for the Treatment of Vulnerable Older Women With Stage I-III HER2 Negative Breast Cancer, the DOROTHY Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Anatomic Stage I Breast Cancer AJCC v8", "Anatomic Stage II Breast Cancer AJCC v8", "Anatomic Stage III Breast Cancer AJCC v8", "HER2-Negative Breast Carcinoma" ], "interventions": [ { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Docetaxel", "type": "DRUG" }, { "name": "Medical Chart Review", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "City of Hope Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 174, "start_date": "2024-09-16", "completion_date": "2030-03-20", "has_results": false, "last_update_posted_date": "2026-04-17", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 3, "location_summary": "Duarte, California • Boston, Massachusetts • Rochester, New York", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06042569" }, { "nct_id": "NCT07590583", "title": "Biology Guided Therapy Recommendations for Treatment Determination of Hormone Receptor-Positive Advanced, Unresectable or Metastatic Breast Cancer, ENDORSE Trial", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Advanced Hormone Receptor-Positive Breast Carcinoma", "Anatomic Stage III Breast Cancer AJCC v8", "Anatomic Stage IV Breast Cancer AJCC v8", "Metastatic Hormone Receptor-Positive Breast Carcinoma", "Unresectable Hormone Receptor-Positive Breast Carcinoma" ], "interventions": [ { "name": "Biopsy Procedure", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Scan", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Electronic Health Record Review", "type": "OTHER" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Treatment Planning", "type": "OTHER" }, { "name": "Treatment Regimen", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "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": 20, "start_date": "2026-12-19", "completion_date": "2027-12-02", "has_results": false, "last_update_posted_date": "2026-05-15", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 2, "location_summary": "Duarte, California • Irvine, California", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "Irvine", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07590583" }, { "nct_id": "NCT04776941", "title": "Expressive Writing for the Management of Stress in Cancer Survivors", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hematopoietic and Lymphoid Cell Neoplasm", "Malignant Solid Neoplasm" ], "interventions": [ { "name": "Behavioral Intervention", "type": "BEHAVIORAL" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "BEHAVIORAL", "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": 414, "start_date": "2020-08-07", "completion_date": "2028-12-31", "has_results": false, "last_update_posted_date": "2026-08-14", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04776941" }, { "nct_id": "NCT07178301", "title": "Evaluating a Decreased Dose of Radiation Therapy to the Elective Neck for the Treatment of HPV-Related Oropharyngeal Cancer, ENLIGHT Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8", "Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8" ], "interventions": [ { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Nasopharyngeal Laryngoscopy", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Radiation Therapy", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "OTHER", "RADIATION" ], "sponsor": "Northwestern University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 100, "start_date": "2025-12-05", "completion_date": "2031-03-20", "has_results": false, "last_update_posted_date": "2026-07-14", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 2, "location_summary": "Chicago, Illinois • Warrenville, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "Warrenville", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT07178301" }, { "nct_id": "NCT03012672", "title": "Higher or Lower Dose Cladribine, Cytarabine, and Mitoxantrone in Treating Medically Less Fit Patients With Newly Diagnosed Acute Myeloid Leukemia or Myeloid Neoplasm", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Leukemia of Ambiguous Lineage", "Acute Myeloid Leukemia", "Myeloid Neoplasm" ], "interventions": [ { "name": "Cladribine", "type": "DRUG" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Granulocyte Colony-Stimulating Factor", "type": "BIOLOGICAL" }, { "name": "Mitoxantrone Hydrochloride", "type": "DRUG" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DRUG", "BIOLOGICAL", "OTHER" ], "sponsor": "University of Washington", "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": "2016-12-30", "completion_date": "2021-02-26", "has_results": true, "last_update_posted_date": "2022-03-08", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT03012672" }, { "nct_id": "NCT04256512", "title": "Cryotherapy for the Prevention of Taxane-Induced Sensory Neuropathy of the Hands and Feet in Breast Cancer Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Breast Carcinoma" ], "interventions": [ { "name": "Medical Device Usage and Evaluation", "type": "DEVICE" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DEVICE", "OTHER" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 94, "start_date": "2020-03-10", "completion_date": "2023-01-18", "has_results": true, "last_update_posted_date": "2025-07-28", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 1, "location_summary": "Jacksonville, Florida", "locations": [ { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04256512" }, { "nct_id": "NCT04926948", "title": "Stereotactic Body Radiation Therapy With Immunotherapy for the Treatment of Mesothelioma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Pleural Mesothelial Neoplasm" ], "interventions": [ { "name": "Immunotherapy", "type": "OTHER" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" } ], "intervention_types": [ "OTHER", "RADIATION" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 20, "start_date": "2021-07-12", "completion_date": "2025-05-30", "has_results": false, "last_update_posted_date": "2026-07-08", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT04926948" }, { "nct_id": "NCT01928485", "title": "Green Tea Extract in Treating Patients With Low-Risk Prostate Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Stage I Prostate Cancer", "Stage IIA Prostate Cancer", "Stage IIB Prostate Cancer" ], "interventions": [ { "name": "active surveillance", "type": "OTHER" }, { "name": "Sunphenon", "type": "DRUG" }, { "name": "laboratory biomarker analysis", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "OTHER", "DRUG" ], "sponsor": "Sanjay Gupta PhD", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "45 Years", "maximum_age": "85 Years", "sex": "MALE", "summary": "45 Years to 85 Years · Male only" }, "enrollment_count": 6, "start_date": "2013-08-30", "completion_date": "2016-11-07", "has_results": true, "last_update_posted_date": "2020-10-22", "last_synced_at": "2026-10-19T23:43:42.113Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT01928485" } ] }