{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low-LET+photon+therapy", "query": { "intervention": "low-LET photon therapy" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 28, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=low-LET+photon+therapy&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-18T05:24:56.663Z", "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": "NCT00002494", "title": "Combination Chemotherapy in Treating Patients With Non-Hodgkin's Lymphoma or Acute Lymphocytic Leukemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Leukemia", "Lymphoma" ], "interventions": [ { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "ifosfamide", "type": "DRUG" }, { "name": "leucovorin calcium", "type": "DRUG" }, { "name": "mesna", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "prednisone", "type": "DRUG" }, { "name": "therapeutic hydrocortisone", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Alliance for Clinical Trials in Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "15 Years", "maximum_age": null, "sex": "ALL", "summary": "15 Years and older" }, "enrollment_count": 134, "start_date": "1992-05", "completion_date": "2006-01", "has_results": false, "last_update_posted_date": "2016-07-04", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 23, "location_summary": "La Jolla, California • San Francisco, California • Wilmington, Delaware + 18 more", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Wilmington", "state": "Delaware" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Miami Beach", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002494" }, { "nct_id": "NCT00002493", "title": "Radiation Therapy Compared With Combination Chemotherapy in Treating Patients With Advanced Endometrial Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Endometrial Cancer", "Psychosocial Effects of Cancer and Its Treatment" ], "interventions": [ { "name": "cisplatin", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Gynecologic Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "FEMALE", "summary": "Female only" }, "enrollment_count": null, "start_date": "1992-05", "completion_date": null, "has_results": false, "last_update_posted_date": "2014-02-14", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 58, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 46 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002493" }, { "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": "2026-09-18T05:24:56.663Z", "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": "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": "2026-09-18T05:24:56.663Z", "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": "NCT00002634", "title": "Chemotherapy, Radiation Therapy, Immunotherapy, and Bone Marrow Transplantation in Treating Patients With Neuroblastoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Neuroblastoma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "monoclonal antibody 3F8", "type": "BIOLOGICAL" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "mesna", "type": "DRUG" }, { "name": "perfosfamide", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "autologous bone marrow transplantation", "type": "PROCEDURE" }, { "name": "in vitro-treated bone marrow transplantation", "type": "PROCEDURE" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" }, { "name": "radioisotope therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": null, "sex": "ALL", "summary": "1 Year and older" }, "enrollment_count": 45, "start_date": "1995-02", "completion_date": "2004-09", "has_results": false, "last_update_posted_date": "2013-07-03", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002634" }, { "nct_id": "NCT00002676", "title": "Chemotherapy and Whole-Brain Radiation Therapy in Treating Patients With Primary Central Nervous System Non- Hodgkin's Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "carmustine", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Alliance for Clinical Trials in Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 36, "start_date": "1995-07", "completion_date": "2006-10", "has_results": false, "last_update_posted_date": "2016-07-14", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 21, "location_summary": "Scottsdale, Arizona • Denver, Colorado • Peoria, Illinois + 18 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Denver", "state": "Colorado" }, { "city": "Peoria", "state": "Illinois" }, { "city": "Urbana", "state": "Illinois" }, { "city": "Cedar Rapids", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002676" }, { "nct_id": "NCT00002806", "title": "Chemotherapy Followed by Radiation Therapy in Treating Adults With Supratentorial Glioma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Brain and Central Nervous System Tumors" ], "interventions": [ { "name": "lomustine", "type": "DRUG" }, { "name": "procarbazine hydrochloride", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Alliance for Clinical Trials in Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 43, "start_date": "1996-07", "completion_date": "2004-07", "has_results": false, "last_update_posted_date": "2016-07-13", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 17, "location_summary": "Scottsdale, Arizona • Urbana, Illinois • Cedar Rapids, Iowa + 14 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Urbana", "state": "Illinois" }, { "city": "Cedar Rapids", "state": "Iowa" }, { "city": "Des Moines", "state": "Iowa" }, { "city": "Sioux City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002806" }, { "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": "2026-09-18T05:24:56.663Z", "location_count": 1, "location_summary": "Madison, Wisconsin", "locations": [ { "city": "Madison", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002625" }, { "nct_id": "NCT00002740", "title": "Combination Chemotherapy Plus Peripheral Stem Cell Transplantation Followed by Surgery and/or Radiation Therapy in Treating Young Patients With Advanced Neuroblastoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Neuroblastoma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "carboplatin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "mesna", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "conventional surgery", "type": "PROCEDURE" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" }, { "name": "low-LET cobalt-60 gamma ray 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": "1 Year", "maximum_age": "21 Years", "sex": "ALL", "summary": "1 Year to 21 Years" }, "enrollment_count": 30, "start_date": "1996-05", "completion_date": "2005-09", "has_results": false, "last_update_posted_date": "2014-07-24", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 7, "location_summary": "Los Angeles, California • San Francisco, California • Indianapolis, Indiana + 4 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Indianapolis", "state": "Indiana" }, { "city": "Minneapolis", "state": "Minnesota" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002740" }, { "nct_id": "NCT00002744", "title": "Combination Chemotherapy in Treating Children With Newly Diagnosed Acute Lymphoblastic Leukemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Leukemia" ], "interventions": [ { "name": "asparaginase", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "mercaptopurine", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "pegaspargase", "type": "DRUG" }, { "name": "prednisone", "type": "DRUG" }, { "name": "therapeutic hydrocortisone", "type": "DRUG" }, { "name": "thioguanine", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "low-LET cobalt-60 gamma ray therapy", "type": "RADIATION" }, { "name": "low-LET photon therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "9 Years", "sex": "ALL", "summary": "1 Year to 9 Years" }, "enrollment_count": 1970, "start_date": "1996-05", "completion_date": "2007-03", "has_results": false, "last_update_posted_date": "2017-02-09", "last_synced_at": "2026-09-18T05:24:56.663Z", "location_count": 31, "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 24 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/NCT00002744" } ] }