Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT01511081 · ClinicalTrials.gov registry record · Phase 2
Stereotactic Body Radiotherapy (SBRT) Versus Stereotactic Body Proton Therapy (SBPT)
A Phase 2 study, sponsored by M.D. Anderson Cancer Center.
- Terminated
- Registry status
- Phase 2
- Development phase
- 21
- Enrollment target
NCT01511081: Clinical Trial Phase 2 study, sponsored by M.D. Anderson Cancer Center.
NCT01511081 is a Phase 2 study that was terminated before completion, run by M.D. Anderson Cancer Center. The registered enrollment target is 21 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (84% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01511081, a Phase 2 study, was terminated before completion, sponsored by M.D. Anderson Cancer Center.
- TERMINATED
- Registry status
- Phase 2
- Development phase
- 21 participants
- Enrollment target
Study Summary
The goal of this clinical research study is to compare 2 types of radiotherapy, stereotactic body photon radiotherapy (SBRT) and stereotactic body proton radiotherapy (SBPT). Researchers would like to compare the side effects, quality of life, and cancer control.
Primary Outcome
Outcome defined as 2-year rate of stereotactic body radiotherapy (SBRT)- and SBPT-related toxicities according to Common Terminology Criteria for Adverse Events (CTCAE) v.4 criteria, including: radiation-induced pneumonitis/fibrosis/fistula, esophagitis/stricture/fistula.
Interventions
- RADIATION SBRT (stereotactic body radiotherapy)
- RADIATION SBPT (stereotactic body proton therapy)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 21 participants |
| Start Date | 2012-08 |
| Est. Completion | 2016-10 |
| Phase | Phase 2 |
Why NCT01511081 stopped before completion
NCT01511081 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 21 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (84% lower).
The record links to 0 conditions, and to 2 interventions - of which SBRT (stereotactic body radiotherapy) is the first listed.
NCT01511081 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01511081 about?
NCT01511081 is a clinical study titled "Stereotactic Body Radiotherapy (SBRT) Versus Stereotactic Body Proton Therapy (SBPT)". The goal of this clinical research study is to compare 2 types of radiotherapy, stereotactic body photon radiotherapy (SBRT) and stereotactic body proton radiotherapy (SBPT). Researchers would like to compare the side effects, quality of life, and cancer control.
What is the current status of trial NCT01511081?
This trial is currently terminated. It is a Phase 2 study. The enrollment target is 21 participants. The study started on 2012-08. Estimated completion is 2016-10.
What interventions are being tested in trial NCT01511081?
The interventions under investigation include: SBRT (stereotactic body radiotherapy) (RADIATION), SBPT (stereotactic body proton therapy) (RADIATION).
Who is sponsoring clinical trial NCT01511081?
This trial is sponsored by M.D. Anderson Cancer Center, which has 2,692 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01511081's enrollment target sits among peer trials
21 1794th of 2000 higher than 196 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT02447874 · 21 participants · Phase 1
Arginine Therapy for the Treatment of Pain in Children With Sickle Cell Disease
- NCT03826992 · 21 participants · Phase 1
Venetoclax Combined With Vyxeos (CPX-351) for Participants With Relapsed or Refractory Acute Leukemia
- NCT04107077 · 21 participants · Phase 2
Phase II Study of the Effects of Laparoscopic Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in Patients With Advanced Gastric Cancer
- NCT04158635 · 21 participants · Phase 1
Gemcitabine, Nab-Paclitaxel, and Bosentan for the Treatment of Unresectable Pancreatic Cancer
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia