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NCT03403361 · ClinicalTrials.gov registry record · NA
Dual-Energy CT on Plan Quality, Dose-delivery Accuracy, and Simulated Outcomes of Patients Treated With Proton or Photon Therapy
A NA study, sponsored by Washington University School of Medicine.
- Terminated
- Registry status
- NA
- Development phase
- 36
- Enrollment target
NCT03403361: Clinical Trial NA study, sponsored by Washington University School of Medicine.
NCT03403361 is a NA study that was terminated before completion, run by Washington University School of Medicine. The registered enrollment target is 36 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03403361, a NA study, was terminated before completion, sponsored by Washington University School of Medicine.
- TERMINATED
- Registry status
- NA
- Development phase
- 36 participants
- Enrollment target
Study Summary
The aim of this protocol is to refine the accuracy of proton beam therapy (PT) by the use of dual energy computed tomography (DECT), in conjunction with novel iterative image reconstruction algorithms, to more precisely determine the tissue properties through which the proton beam path travels.
Interventions
- DEVICE Siemens Somatom Definition Edge
- DEVICE Philips Brilliance Big Bore CT/simulator
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 36 participants |
| Start Date | 2018-06-01 |
| Est. Completion | 2022-08-11 |
| Phase | NA |
Why NCT03403361 stopped before completion
NCT03403361 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 36 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower).
The record links to 0 conditions, and to 2 interventions - of which Siemens Somatom Definition Edge is the first listed.
NCT03403361 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03403361 about?
NCT03403361 is a clinical study titled "Dual-Energy CT on Plan Quality, Dose-delivery Accuracy, and Simulated Outcomes of Patients Treated With Proton or Photon Therapy". The aim of this protocol is to refine the accuracy of proton beam therapy (PT) by the use of dual energy computed tomography (DECT), in conjunction with novel iterative image reconstruction algorithms, to more precisely determine the tissue properties through which the proton beam path travels.
What is the current status of trial NCT03403361?
This trial is currently terminated. It is a NA study. The enrollment target is 36 participants. The study started on 2018-06-01. Estimated completion is 2022-08-11.
What interventions are being tested in trial NCT03403361?
The interventions under investigation include: Siemens Somatom Definition Edge (DEVICE), Philips Brilliance Big Bore CT/simulator (DEVICE).
Who is sponsoring clinical trial NCT03403361?
This trial is sponsored by Washington University School of Medicine, which has 1,502 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03403361's enrollment target sits among peer trials
36 1541st of 2000 higher than 437 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA 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
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