A Feasibility Study of MRI Guided Stereotactic Ablative Radiotherapy

Status Not yet recruiting

Clinical Trial Summary

To determine if the investigators are able to deliver highly focused, intense radiation to tumours in the abdominal region or chest cavity whilst limiting the dose to surrounding organs using a high field strength MR-Linac.

Clinical Trial Description

Stereotactic Ablative Radiotherapy (SABR) for tumours in the thorax and abdomen is becoming the standard of care for patients with small, localised disease. Recent publications and guidelines provide evidence for safe, effective treatment prescriptions in most of these tumour sites. However this guidance is based on the use of x-ray based guidance systems, without the use of functional imaging or real-time adaptation. To investigate the potential benefits of MRI-guided SABR, including superior at-treatment imaging, gating, real-time adaptation and the integration of functional or biological information, the investigators propose to undertake MR-guided SABR using established guidance. In doing this the investigators will be able to evaluate the patient experience (for example the MR Linac is considerably noisier than a standard treatment machine); the investigators will be able to acquire images (with no additional radiation) to interrogate motion, and deformations in real-time to assess whether or not real time adaptations would benefit the patient experience and/or outcomes; the investigators will be able to compare the outcomes of the patients treated on a machine with superior imaging to those undergoing the same (or similar) treatment on standard machines using the UKCAT database; the investigators will be able (should participants choose to give consent) to acquire research images interrogating tumour and normal tissue physiology/biology and determine if and how this information may be able to improve treatments and/or predict response. For these reasons it is important to make this change in practice (from x-ray guided SABR to MRI-guided SABR) within the confines of an observational clinical study. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05903430
Study type	Observational
Source	The Christie NHS Foundation Trust
Contact	Clare Griffin
Phone	01614463000
Email	clare.griffin1@nhs.net
Status	Not yet recruiting
Phase
Start date	May 2024
Completion date	March 2027

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Feasibility Study of MRI Guided Stereotactic Ablative Radiotherapy (MIDSECTION) — MIDSECTION

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms