Radiation Therapy Oncology Group

144 total trials 131 completed

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 3 of 3

COMPLETED Phase 2

Vaccine Therapy Plus Radiation Therapy in Treating Patients With Non-small Cell Lung Cancer That Has Been Completely Removed in Surgery

NCT00006470

COMPLETED Phase 2

Radiation Therapy Followed by Carmustine in Treating Patients Who Have Supratentorial Glioblastoma Multiforme

NCT00006386

COMPLETED Phase 2

Radiation Therapy Plus Chemotherapy Followed by Surgery in Treating Patients With Locally Advanced Cancer of the Rectum

NCT00006366

COMPLETED Phase 1

Radiation Therapy in Treating Patients With Stage II or Stage III Oropharyngeal Cancer

NCT00006360

COMPLETED Phase 2

Radiation Therapy and Tamoxifen in Treating Adults With Newly Diagnosed Supratentorial Glioblastoma Multiforme

NCT00006388

COMPLETED Phase 2

External-Beam Radiation Therapy Plus Implanted Radiation Therapy in Treating Patients With Prostate Cancer

NCT00006365

COMPLETED NA

Evaluation of Memory Skills in Patients Receiving Radiation Therapy for Brain Metastases

NCT00007007

COMPLETED Phase 3

Biafine Cream to Reduce Side Effects of Radiation Therapy in Patients Receiving Treatment for Advanced Head and Neck Cancer

NCT00006481

COMPLETED Phase 3

Sargramostim in Decreasing Mucositis in Patients Receiving Radiation Therapy for Head and Neck Cancer

NCT00008398

COMPLETED Phase 3

Comparison of Radiation Therapy With or Without Combination Chemotherapy Following Surgery in Treating Patients With Stage I or Stage II Endometrial Cancer

NCT00006027

COMPLETED Phase 3

Radiation Therapy Combined With Chemotherapy in Treating Patients With Anaplastic Astrocytoma or Mixed Gliomas

NCT00004259

COMPLETED Phase 3

Radiation Therapy With or Without Epoetin Alfa in Treating Anemic Patients With Head and Neck Cancer

NCT00004917

COMPLETED Phase 2

Radiation Therapy and Cisplatin in Treating Patients With Advanced Head and Neck Cancer

NCT00005088

COMPLETED Phase 2

Paclitaxel, Cisplatin, and Filgrastim Combined With Radiation Therapy in Treating Patients With Locally Recurrent Head and Neck Cancer

NCT00005087

COMPLETED Phase 3

Hormone Therapy and Radiation Therapy in Treating Patients With Prostate Cancer

NCT00005044

COMPLETED Phase 3

Hormone Therapy Plus Radiation Therapy With or Without Combination Chemotherapy in Treating Patients With Prostate Cancer

NCT00004054

COMPLETED Phase 3

Radiation Therapy With or Without Optional Tamoxifen in Treating Women With Ductal Carcinoma in Situ

NCT00003857

COMPLETED Phase 2

Chemotherapy and Radiation Therapy in Treating Patients With Stomach Cancer

NCT00003862

COMPLETED Phase 1

Radiation Therapy and Combination Chemotherapy in Treating Patients With Stage II or Stage III Bladder Cancer

NCT00003930

COMPLETED Phase 3

Pentosan Polysulfate in Treating Patients With Gastrointestinal Disturbance Caused by Radiation Therapy

NCT00003825

COMPLETED Phase 2

Radiation Therapy Plus Paclitaxel in Treating Patients With Nonmetastatic, Unresectable Pancreatic Cancer

NCT00003591

COMPLETED Phase 3

Chemotherapy Plus Radiation Therapy in Treating Patients With Stage II or Stage III Anal Cancer

NCT00003596

COMPLETED Phase 1

Computer Planned Radiation Therapy Plus Chemotherapy in Treating Patients With Glioblastoma Multiforme

NCT00003417

COMPLETED Phase 3

Amifostine in Treating Patients With Stage II or Stage III Non-small Cell Lung Cancer

NCT00003313

COMPLETED Phase 2

Brachytherapy in Treating Patients With Prostate Cancer

NCT00003312

COMPLETED Phase 3

Fluorouracil, Gemcitabine, and Radiation Therapy in Treating Patients With Cancer of the Pancreas

NCT00003216

COMPLETED Phase 3

Pilocarpine in Preventing Mucositis and Dry Mouth in Patients Receiving Radiation Therapy for Head and Neck Cancer

NCT00003139

COMPLETED Phase 1

Radiation Therapy Plus Combination Chemotherapy in Treating Patients With Small Cell Lung Cancer

NCT00005022

COMPLETED Phase 3

Radiation Therapy in Treating Patients With Bone Metastases From Breast or Prostate Cancer

NCT00003162

COMPLETED Phase 3

Radiation Therapy With or Without Bicalutamide for Recurrent pT3N0 Prostate Cancer After Radical Prostatectomy

NCT00002874

COMPLETED Phase 2

Cisplatin and Radiation Therapy in Treating Patients With Stage IV Cancer of the Head and Neck

NCT00002932

COMPLETED Phase 1

Radiation Therapy in Treating Women With Stage I or Stage II Breast Cancer

NCT00002873

COMPLETED Phase 2

Chemotherapy Plus Radiation Therapy Followed by Surgery in Treating Patients With Soft Tissue Sarcoma

NCT00002791

COMPLETED Phase 3

Radiation Therapy in Treating Patients With Stage II Cancer of the Vocal Cord

NCT00002727

COMPLETED Phase 3

Radiation Therapy With or Without Radiosurgery in Treating Patients With Brain Metastases

NCT00002708

COMPLETED Phase 3

Radiation Therapy With or Without Chemotherapy in Treating Patients With Head and Neck Cancer That Has Been Removed During Surgery

NCT00002670

COMPLETED Phase 1

Radiation Therapy in Treating Patients With Non-small Cell Lung Cancer

NCT00002577

COMPLETED Phase 3

Combination Chemotherapy Plus Radiation Therapy in Treating Patients With Cancer of the Esophagus

NCT00002631

COMPLETED Phase 3

Radiation Therapy With or Without Antiandrogen Therapy in Treating Patients With Stage I or Stage II Prostate Cancer

NCT00002597

COMPLETED Phase 3

Radiation Therapy With or Without Chemotherapy in Treating Patients With Anaplastic Oligodendroglioma

NCT00002569

COMPLETED Phase 1

Radiation Therapy in Treating Patients With Stage II or Stage III Prostate Cancer

NCT00002602

COMPLETED Phase 3

Chemotherapy Plus Radiation Therapy With or Without Surgery in Treating Patients With Stage IIIA Non-small Cell Lung Cancer

NCT00002550

COMPLETED Phase 3

Radiation Therapy Plus Chemotherapy in Treating Patients With Supratentorial Glioblastoma Multiforme

NCT00002545

COMPLETED Phase 3

Radiation Therapy With or Without Chemotherapy in Treating Patients With Advanced Cancer of the Larynx

NCT00002496

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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.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainTrial Editorial

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.