{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low-LET+electron+therapy", "query": { "intervention": "low-LET electron therapy" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 15, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low-LET+electron+therapy&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-12T02:43:23.211Z", "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": "NCT00002804", "title": "Combination Chemotherapy, Surgery, and Radiation Therapy in Treating Children With Advanced Soft Tissue Sarcoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Sarcoma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "ifosfamide", "type": "DRUG" }, { "name": "mesna", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "conventional surgery", "type": "PROCEDURE" }, { "name": "brachytherapy", "type": "RADIATION" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": 43, "start_date": "1996-09", "completion_date": "2006-04", "has_results": false, "last_update_posted_date": "2014-07-25", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 7, "location_summary": "Wichita, Kansas • New Orleans, Louisiana • Memphis, Tennessee + 4 more", "locations": [ { "city": "Wichita", "state": "Kansas" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Memphis", "state": "Tennessee" }, { "city": "Dallas", "state": "Texas" }, { "city": "Lackland Air Force Base", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002804" }, { "nct_id": "NCT00002567", "title": "High-Dose Chemotherapy and Radiation Therapy Followed by Peripheral Stem Cell Transplantation in Treating Patients With Acute Leukemia in Remission", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Bone Marrow Ablation", "Leukemia" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "etoposide", "type": "DRUG" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "16 Years to 65 Years" }, "enrollment_count": 45, "start_date": "1994-03", "completion_date": "2000-11", "has_results": false, "last_update_posted_date": "2013-06-27", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002567" }, { "nct_id": "NCT00002625", "title": "Topotecan and Radiation Therapy in Treating Patients With Solid Tumors or Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Esophageal Cancer", "Lung Cancer", "Lymphoma" ], "interventions": [ { "name": "topotecan hydrochloride", "type": "DRUG" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "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": 5, "start_date": "1995-03", "completion_date": "2000-09", "has_results": false, "last_update_posted_date": "2013-02-11", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 1, "location_summary": "Madison, Wisconsin", "locations": [ { "city": "Madison", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002625" }, { "nct_id": "NCT00002704", "title": "Radiation Therapy and Chemotherapy in Treating Children With CNS Relapse From Acute Lymphoblastic Leukemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Leukemia" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "asparaginase", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "leucovorin calcium", "type": "DRUG" }, { "name": "liposomal cytarabine", "type": "DRUG" }, { "name": "mercaptopurine", "type": "DRUG" }, { "name": "mesna", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "therapeutic hydrocortisone", "type": "DRUG" }, { "name": "thiotepa", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "RADIATION" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "20 Years", "sex": "ALL", "summary": "Up to 20 Years" }, "enrollment_count": 156, "start_date": "1996-01", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-02-01", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 62, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Little Rock, Arkansas + 48 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "La Jolla", "state": "California" }, { "city": "Palo Alto", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002704" }, { "nct_id": "NCT00002670", "title": "Radiation Therapy With or Without Chemotherapy in Treating Patients With Head and Neck Cancer That Has Been Removed During Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Head and Neck Cancer" ], "interventions": [ { "name": "chemotherapy", "type": "DRUG" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Radiation Therapy Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 459, "start_date": "1995-09", "completion_date": "2013-11", "has_results": false, "last_update_posted_date": "2014-01-24", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 22, "location_summary": "Tampa, Florida • Atlanta, Georgia • Decatur, Georgia + 17 more", "locations": [ { "city": "Tampa", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Decatur", "state": "Georgia" }, { "city": "Evanston", "state": "Illinois" }, { "city": "Peoria", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002670" }, { "nct_id": "NCT00002496", "title": "Radiation Therapy With or Without Chemotherapy in Treating Patients With Advanced Cancer of the Larynx", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Head and Neck Cancer" ], "interventions": [ { "name": "chemotherapy", "type": "DRUG" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "fluorouracil", "type": "DRUG" }, { "name": "conventional surgery", "type": "PROCEDURE" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Radiation Therapy Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": null, "start_date": "1992-08", "completion_date": "2013-11", "has_results": false, "last_update_posted_date": "2014-01-24", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 17, "location_summary": "Denver, Colorado • Tampa, Florida • Decatur, Georgia + 12 more", "locations": [ { "city": "Denver", "state": "Colorado" }, { "city": "Tampa", "state": "Florida" }, { "city": "Decatur", "state": "Georgia" }, { "city": "Peoria", "state": "Illinois" }, { "city": "Urbana", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002496" }, { "nct_id": "NCT00002618", "title": "Combination Chemotherapy in Treating Pediatric Patients With Advanced-Stage Large Cell Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "leucovorin calcium", "type": "DRUG" }, { "name": "mercaptopurine", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "prednisone", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": 242, "start_date": "1994-12", "completion_date": "2006-09", "has_results": false, "last_update_posted_date": "2014-07-24", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 8, "location_summary": "Wichita, Kansas • New Orleans, Louisiana • Asheville, North Carolina + 5 more", "locations": [ { "city": "Wichita", "state": "Kansas" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Asheville", "state": "North Carolina" }, { "city": "Charleston", "state": "South Carolina" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002618" }, { "nct_id": "NCT00002875", "title": "Radiation Therapy Plus Combination Chemotherapy in Treating Children With Medulloblastoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Brain Tumors", "Central Nervous System Tumors" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "lomustine", "type": "DRUG" }, { "name": "mesna", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "3 Years", "maximum_age": "22 Years", "sex": "ALL", "summary": "3 Years to 22 Years" }, "enrollment_count": 421, "start_date": "1996-12", "completion_date": "2011-01", "has_results": false, "last_update_posted_date": "2014-08-01", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 36, "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 29 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002875" }, { "nct_id": "NCT00002643", "title": "Combination Chemotherapy in Treating Patients With Newly Diagnosed Metastatic Ewing's Sarcoma or Primitive Neuroectodermal Tumor", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Neutropenia", "Sarcoma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "amifostine trihydrate", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "ifosfamide", "type": "DRUG" }, { "name": "topotecan hydrochloride", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "conventional surgery", "type": "PROCEDURE" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "30 Years", "sex": "ALL", "summary": "Up to 30 Years" }, "enrollment_count": 130, "start_date": "1995-04", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-02-01", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 43, "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 35 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002643" }, { "nct_id": "NCT00002631", "title": "Combination Chemotherapy Plus Radiation Therapy in Treating Patients With Cancer of the Esophagus", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Esophageal Cancer" ], "interventions": [ { "name": "chemotherapy", "type": "DRUG" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "fluorouracil", "type": "DRUG" }, { "name": "low-LET electron therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Radiation Therapy Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 298, "start_date": "1995-06", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-11-19", "last_synced_at": "2026-09-12T02:43:23.211Z", "location_count": 17, "location_summary": "Scottsdale, Arizona • Peoria, Illinois • Urbana, Illinois + 14 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Peoria", "state": "Illinois" }, { "city": "Urbana", "state": "Illinois" }, { "city": "Cedar Rapids", "state": "Iowa" }, { "city": "Des Moines", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002631" } ] }