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Clinical Trial Summary

This small study will investigate the feasibility of using multi-parametric MRI to introduce and support adaptive radiotherapy treatments for high-risk prostate cancer.


Clinical Trial Description

Mount Vernon Cancer Centre at East and North Hertfordshire NHS Trust offers patients with certain cancers a treatment called adaptive radiotherapy. The aim of adaptive radiotherapy is to respond to physical changes that occur during treatment to ensure the radiation continues to be directed at the cancer and to minimise the amount of healthy tissue treated. For example, if tumour shrinkage or weight loss occurs during head and neck radiotherapy the patient may have a repeat CT scan and a new radiotherapy treatment plan after a few weeks of treatment. For patients with cancer of the bladder or cervix changes in bladder and uterus size and position can be predicted allowing the prospective creation of three radiotherapy treatment plans, each day the best fitting plan, i.e. the one that closely covers the tumour whilst giving minimal dose to normal tissues, is selected and used for treatment, this is known as plan-of-the-day adaptive radiotherapy. Small changes in shape and position of the prostate occur but are generally the result of rectal changes which cannot be predicted, consequently adaptive radiotherapy based on physical change is not possible for prostate cancer treatments. However, recent literature suggests that magnetic resonance imaging (MRI) can detect changes within the prostate in response to radiotherapy, some studies have seen changes as early as the second week of radiotherapy treatment. A feasibility study to investigate if these changes can support radiotherapy treatment plan adaption for prostate cancer treatments is proposed, whether the plan can be adapted to give a higher treatment dose to any areas of the prostate that show poor response to radiotherapy without increasing bowel and bladder dose is of particular interest. The treatment for patients who participate in the study would not be changed but the results may help to personalise and improve the treatment of future patients. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03967080
Study type Observational
Source East and North Hertfordshire NHS Trust
Contact Roberto Alonzi
Phone 0203 826 2166
Email ralonzi@nhs.net
Status Recruiting
Phase
Start date February 5, 2019
Completion date September 30, 2022

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