Radiation Therapy Oncology Group clinical trials
Listed in the registry as: Research network.
The registry lists 155 studies whose lead sponsor is Radiation Therapy Oncology Group. 0 are recruiting or about to start. Per ClinicalTrials.gov, last updated Oct 21, 2026.
Focus areas
Conditions Radiation Therapy Oncology Group leads ten or more studies in, by study count. A broader condition is left out when almost all its studies are already in a narrower one listed here.
Studies
Recruiting first, then most recently updated. Showing 50 of 155. Browse all 155 →
- Radiation Therapy With or Without Chemotherapy in Treating Patients With High-Risk Malignant Salivary Gland Tumors That Have Been Removed By SurgeryActive, not recruitingNCT01220583Phase 2
- Radiation Therapy With Cisplatin or Cetuximab in Treating Patients With Oropharyngeal CancerCompletedNCT01302834Phase 3
- Comparing Photon Therapy To Proton Therapy To Treat Patients With Lung CancerActive, not recruitingNCT01993810Phase 3
- Androgen-Deprivation Therapy and Radiation Therapy in Treating Patients With Prostate CancerActive, not recruitingNCT01368588Phase 3
- Radiation Therapy With or Without Androgen-Deprivation Therapy in Treating Patients With Prostate CancerCompletedNCT00936390Phase 3
- Hormone Therapy, Radiation Therapy, and Steroid 17alpha-monooxygenase TAK-700 in Treating Patients With High-Risk Prostate CancerCompletedNCT01546987Phase 3
- Interstitial Brachytherapy With or Without External-Beam Radiation Therapy in Treating Patients With Prostate CancerCompletedNCT00063882Phase 3
- Higher Per Daily Treatment-Dose Radiation Therapy or Standard Per Daily Treatment Radiation Therapy in Treating Patients With Early-Stage Breast Cancer That Was Removed by SurgeryActive, not recruitingNCT01349322Phase 3
- Sorafenib Tosylate With or Without Stereotactic Body Radiation Therapy in Treating Patients With Liver CancerCompletedNCT01730937Phase 3
- RT With or Without Cetuximab in Treating Patients Who Have Undergone Surgery for Locally Advanced Head and Neck CancerActive, not recruitingNCT00956007Phase 3
- Chemotherapy and Pelvic Radiation Therapy With or Without Additional Chemotherapy in Treating Patients With High-Risk Early-Stage Cervical Cancer After Radical HysterectomyCompletedNCT00980954Phase 3
- Prostate Radiation Therapy or Short-Term Androgen Deprivation Therapy and Pelvic Lymph Node Radiation Therapy With or Without Prostate Radiation Therapy in Treating Patients With a Rising Prostate Specific Antigen (PSA) After Surgery for Prostate CancerActive, not recruitingNCT00567580Phase 3
- Image-Guided Radiosurgery or Stereotactic Body Radiation Therapy in Treating Patients With Localized Spine MetastasisCompletedNCT00922974Phase 2/3
- Radical Resection Vs. Ablative Stereotactic Radiotherapy in Patients With Operable Stage I NSCLCActive, not recruitingNCT01753414Phase 2
- Zoledronate, Vitamin D, and Calcium With or Without Strontium 89 or Samarium 153 in Preventing or Delaying Bone Problems in Patients With Bone Metastases From Prostate Cancer, Lung Cancer, or Breast CancerCompletedNCT00365105Phase 3
- Radiation Therapy and Chemotherapy in Treating Patients With Stage I Bladder CancerCompletedNCT00981656Phase 2
- Observation or Radiation Therapy With or Without Combination Chemotherapy in Treating Patients With Low-Grade GliomaCompletedNCT00003375Phase 2/3
- Temozolomide and Radiation Therapy in Treating Patients With GliomasCompletedNCT00114140Phase 2
- TRYHARD: Radiation Therapy Plus Cisplatin With or Without Lapatinib in Treating Patients With Head and Neck Cancer.CompletedNCT01711658Phase 2
- Observation or Radiation Therapy in Treating Patients With Grade I, Grade II, or Grade III MeningiomaCompletedNCT00895622Phase 2
- Rituximab, Methotrexate, Vincristine Sulfate, Procarbazine Hydrochloride, and Cytarabine With or Without Radiation Therapy in Treating Patients With Primary Central Nervous System LymphomaCompletedNCT01399372Phase 2
- Chemotherapy and Radiation Therapy With or Without Surgery in Treating Patients With Head and Neck CancerCompletedNCT00047008Phase 3
- Radiation Therapy in Treating Patients With Stage II Prostate CancerCompletedNCT00033631Phase 3
- Radiation Therapy in Treating Patients With Stage II Prostate CancerCompletedNCT00331773Phase 3
- Bevacizumab With or Without Radiation Therapy in Treating Patients With Recurrent GlioblastomaCompletedNCT01730950Phase 2
- Hormone Therapy and Radiation Therapy or Hormone Therapy and Radiation Therapy Followed by Docetaxel and Prednisone in Treating Patients With Localized Prostate CancerCompletedNCT00288080Phase 3
- High-Dose or Standard-Dose Radiation Therapy and Chemotherapy With or Without Cetuximab in Treating Patients With Newly Diagnosed Stage III Non-Small Cell Lung Cancer That Cannot Be Removed by SurgeryCompletedNCT00533949Phase 3
- Radiation Therapy in Treating Women With Locally Recurrent Breast Cancer Previously Treated With Repeat Breast-Preserving SurgeryCompletedNCT01082211Phase 2
- Ultrasound-Guided Implant Radiation Therapy in Treating Patients With Locally Recurrent Prostate Cancer Previously Treated With External-Beam Radiation TherapyCompletedNCT00450411Phase 2
- Radiation Therapy With or Without Bicalutamide for Recurrent pT3N0 Prostate Cancer After Radical ProstatectomyCompletedNCT00002874Phase 3
- Chemotherapy and Radiation Therapy in Treating Patients With Stage II or Stage III Bladder Cancer That Was Removed by SurgeryCompletedNCT00777491Phase 2
- Chemotherapy and Radiation Therapy With or Without Panitumumab in Treating Patients With Stage IIIA Non-Small Cell Lung CancerCompletedNCT00979212Phase 2
- Hormone Therapy and Radiation Therapy in Treating Patients With Prostate CancerCompletedNCT00005044Phase 3
- Standard Versus Intensity-Modulated Pelvic Radiation Therapy in Treating Patients With Endometrial or Cervical CancerCompletedNCT01672892Phase 3
- Paclitaxel, Cisplatin, and Radiation Therapy With or Without Cetuximab in Treating Patients With Locally Advanced Esophageal CancerCompletedNCT00655876Phase 3
- Radiation Therapy and Cisplatin With or Without Cetuximab in Treating Patients With Stage III or Stage IV Head and Neck CancerCompletedNCT00265941Phase 3
- Stereotactic Body Radiation Therapy in Treating Patients With Stage I Non-Small Cell Lung CancerCompletedNCT00750269Phase 1/2
- Everolimus, Temozolomide, and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma MultiformeCompletedNCT01062399Phase 1/2
- Radiation Therapy in Treating Patients With Prostate CancerCompletedNCT01434290Phase 2
- Radiation Therapy With or Without Optional Tamoxifen in Treating Women With Ductal Carcinoma in SituCompletedNCT00003857Phase 3
- Radiation Therapy Followed by Bleomycin in Treating Adult Patients With Newly Diagnosed Supratentorial Glioblastoma MultiformeTerminatedNCT00006916Phase 2
- External-Beam Radiation Therapy Plus Implanted Radiation Therapy in Treating Patients With Prostate CancerCompletedNCT00006365Phase 2
- Adjuvant Radiation Therapy Plus Hormone Therapy Compared With Radiation Therapy Alone in Treating Patients With Stage II or Stage III Prostate CancerCompletedNCT00023829Phase 3
- Comparison of Radiation Therapy With or Without Combination Chemotherapy Following Surgery in Treating Patients With Stage I or Stage II Endometrial CancerCompletedNCT00006027Phase 3
- Temozolomide Plus Radiation Therapy in Treating Patients With Newly Diagnosed Anaplastic Oligodendrogliomas or Mixed Anaplastic OligoastrocytomasCompletedNCT00033280Phase 2
- Radiation Therapy in Treating Patients With Stage II or Stage III Oropharyngeal CancerCompletedNCT00006360Phase 1/2
- Radiation Therapy Plus Chemotherapy Followed by Surgery in Treating Patients With Locally Advanced Cancer of the RectumCompletedNCT00006366Phase 2
- Melatonin and Radiation Therapy in Treating Patients With Brain MetastasesCompletedNCT00031967Phase 2
- Radiation Therapy Followed by Carmustine in Treating Patients Who Have Supratentorial Glioblastoma MultiformeCompletedNCT00006386Phase 2
- Biafine Cream to Reduce Side Effects of Radiation Therapy in Patients Receiving Treatment for Advanced Head and Neck CancerCompletedNCT00006481Phase 3