Rectal Cancer
Conditions
Brief summary
The purpose of this study is to implement and access a newly developed bladder filling protocol for patients receiving radiotherapy for rectal cancer using imaging on the treatment unit.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients receiving radical radiotherapy to rectal malignancies. * Age \> 18 years old * No previous lower GI radiotherapy * Written informed consent according to good clinical practice (GCP) and national / local regulations.
Exclusion criteria
* Patients receiving palliative radiotherapy to rectal malignancies. * Patients receiving radical short course preoperative radiotherapy for rectal malignancies. * Patients unable to give informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The percentage of patients who are able to achieve a bladder volume within +/- 30% of planning volume, on all treatment CBCT (cone beam computed tomography) scans | — |
Secondary
| Measure | Time frame |
|---|---|
| The per-patient standard deviation of bladder volume throughout the course of radiotherapy | — |
| The percentage of patients who are unable to follow the bladder filling protocol at any point during their treatment. | — |
| The correlation between bladder volume and small bowel volume planning target volume | — |
Countries
United Kingdom