Radiation Therapy Oncology Group
Radiation Therapy Oncology Group sponsors 144 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 131 completed. 55 of these trials are in Phase 3-4 (later-stage) and 82 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Prostate Cancer, with 10 trials.
Trial Pipeline
144 total, page 2 of 3
Radiation Therapy in Treating Patients With Stage II Prostate Cancer
NCT00331773
Intensity-Modulated Radiation Therapy to the Pelvis With or Without Chemotherapy in Treating Patients With Endometrial Cancer or Cervical Cancer That Has Been Removed By Surgery
NCT00331760
Zoledronate in Preventing Osteoporosis and Bone Fractures in Patients With Locally Advanced Nonmetastatic Prostate Cancer Undergoing Radiation Therapy and Hormone Therapy
NCT00329797
Positron Emission Tomography Scan and CT Scan in Planning Radiation Therapy for Patients With Stage II or Stage III Non-Small Cell Lung Cancer
NCT00310219
Radiation Therapy (RT) and Temozolomide (TMZ) in Treating Patients With Newly Diagnosed Glioblastoma or Gliosarcoma
NCT00304031
Hormone Therapy and Radiation Therapy or Hormone Therapy and Radiation Therapy Followed by Docetaxel and Prednisone in Treating Patients With Localized Prostate Cancer
NCT00288080
Radiation Therapy in Treating Patients With Liver Metastases
NCT00255814
Radiation Therapy and Cisplatin With or Without Cetuximab in Treating Patients With Stage III or Stage IV Head and Neck Cancer
NCT00265941
Collecting and Storing Tissue Samples From Patients With Head and Neck Cancer
NCT00898300
Combination Chemotherapy With or Without Radiation Therapy in Treating Patients With Recurrent Head and Neck Cancer That Cannot Be Removed By Surgery
NCT00113399
Cisplatin and Docetaxel With or Without Radiation Therapy in Treating Patients Who Are Undergoing Surgery for Newly Diagnosed Stage III Non-Small Cell Lung Cancer
NCT00113386
Temozolomide and Radiation Therapy in Treating Patients With Gliomas
NCT00114140
Radiation Therapy, Temozolomide, and Irinotecan in Treating Patients With Newly Diagnosed Glioblastoma Multiforme
NCT00099125
Paclitaxel, Carboplatin, and Radiation Therapy in Treating Patients Who Are Undergoing Surgery for Stage III Non-Small Cell Lung Cancer
NCT00096226
Radiation Therapy in Treating Patients With Stage II or Stage III Prostate Cancer
NCT00091390
Stereotactic Body Radiation Therapy in Treating Patients With Inoperable Stage I or Stage II Non-Small Cell Lung Cancer
NCT00087438
Adjuvant Cetuximab and Chemoradiotherapy Using Either Cisplatin or Docetaxel in Treating Patients With Resected Stage III or Stage IV Squamous Cell Carcinoma or Lymphoepithelioma of the Head and Neck
NCT00084318
Cetuximab, Paclitaxel, Carboplatin, and Radiation Therapy in Treating Patients With Unresectable Stage IIIA or Stage IIIB Non-Small Cell Lung Cancer
NCT00081302
Neoadjuvant Chemoradiotherapy and Adjuvant Chemotherapy in Treating Patients Who Are Undergoing Surgical Resection for Locally Advanced Rectal Cancer
NCT00081289
Octreotide in Preventing or Reducing Diarrhea in Patients Receiving Chemoradiotherapy for Anal or Rectal Cancer
NCT00075868
Combination Chemotherapy Followed By Chemoradiotherapy, With or Without Surgery, in Treating Patients With Resectable Locally Advanced Cancer of the Esophagus or Gastroesophageal Junction
NCT00069953
Salivary Gland Surgery Before Radiation Therapy in Preventing Radiation-Caused Xerostomia in Patients With Head and Neck Cancer
NCT00068237
3-Dimensional Conformal Radiation Therapy In Treating Women With Stage I or Stage II Breast Cancer Previously Treated With Lumpectomy and Axillary Node Dissection
NCT00068263
Combination Chemotherapy, Monoclonal Antibody, and Radiation Therapy in Treating Patients With Primary Central Nervous System Lymphoma
NCT00068250
Interstitial Brachytherapy With or Without External-Beam Radiation Therapy in Treating Patients With Prostate Cancer
NCT00063882
Cisplatin, Etoposide, and Radiation Therapy in Treating Patients With Limited-Stage Small Cell Lung Cancer
NCT00066222
Captopril in Treating Patients With Non-Small Cell Lung Cancer or Limited-Stage Small Cell Lung Cancer That Has Been Previously Treated With Radiation Therapy With or Without Chemotherapy
NCT00077064
Chemotherapy Combined With Radiation Therapy in Treating Patients With Limited-Stage Small Cell Lung Cancer
NCT00059761
Brain Irradiation in Treating Patients With Limited-Stage Small Cell Lung Cancer
NCT00057746
Radiation Therapy With or Without Chemotherapy in Reducing Mouth Dryness in Patients With Nasopharyngeal Cancer
NCT00057785
Sildenafil in Treating Erectile Dysfunction in Patients With Prostate Cancer
NCT00057759
Comparison of Nutritional Supplements in Preventing Weight Loss in Patients With Cancer
NCT00053053
Combination Chemotherapy and Radiation Therapy With/Without Surgery In Patients With Stage II/III Bladder Cancer
NCT00055601
Hormone Therapy Plus Chemotherapy in Treating Patients With Prostate Cancer
NCT00030654
Radiation Therapy in Preventing Central Nervous System (CNS) Metastases in Patients With Non-Small Cell Lung Cancer
NCT00048997
Chemotherapy and Radiation Therapy With or Without Surgery in Treating Patients With Head and Neck Cancer
NCT00047008
Celecoxib and Radiation Therapy in Treating Patients With Locally Advanced Non-Small Cell Lung Cancer
NCT00046839
Temozolomide Plus Radiation Therapy in Treating Patients With Newly Diagnosed Anaplastic Oligodendrogliomas or Mixed Anaplastic Oligoastrocytomas
NCT00033280
Melatonin and Radiation Therapy in Treating Patients With Brain Metastases
NCT00031967
Radiation Therapy in Treating Patients With Stage II Prostate Cancer
NCT00033631
Radiation Therapy With or Without SU5416 in Treating Patients With Soft Tissue Sarcoma
NCT00023725
Radiation Therapy and Cisplatin With or Without Amifostine for Patients With Stage IIIB or IVA Cervical Cancer
NCT00012012
Radiation Therapy Plus Celecoxib, Fluorouracil, and Cisplatin in Patients With Locally Advanced Cervical Cancer
NCT00023660
Chemotherapy, SU5416, Radiation Therapy, and Surgery in Treating Patients With Soft Tissue Sarcoma
NCT00023738
Radiation Therapy Combined With Paclitaxel and Carboplatin in Treating Patients With Stage III Non-Small Cell Lung Cancer
NCT00023673
Radiation Therapy Followed by Bleomycin in Treating Adult Patients With Newly Diagnosed Supratentorial Glioblastoma Multiforme
NCT00006916
Gemcitabine, Carboplatin or Paclitaxel Plus Radiation Therapy in Treating Patients With Stage IIIA or IIIB Non-Small Cell Lung Cancer
NCT00016315
Chemotherapy and Radiation Therapy With or Without Fluorouracil in Treating Patients With Cancer of the Stomach Who Have Undergone Surgery
NCT00011960
Combination Chemotherapy Plus Radiation Therapy With or Without Fluorouracil in Treating Patients With Cancer of the Esophagus or Stomach
NCT00009880
Chemotherapy and Radiation Therapy Following Surgery in Treating Patients With Head and Neck Cancer
NCT00011999
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 22 |
| Phase 2 | 60 |
| Phase 3 | 55 |
What the Pipeline for Radiation Therapy Oncology Group Shows
According to the ClinicalTrials.gov registry, Radiation Therapy Oncology Group is linked to 144 US clinical trials across every stage of research activity. Of those, 0 studies are currently recruiting, about 0% of the sponsor's indexed portfolio, and 131 are already marked complete, representing roughly 91% of the total.
The phase mix for Radiation Therapy Oncology Group reports 55 late-stage studies (Phase 3 and Phase 4 combined) and 82 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Radiation Therapy Oncology Group is Prostate Cancer with 10 linked trials, and 9 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.