ESTRO course on Image Guided Radiotherapy in Clinical Practice 2018

The Royal Marsden

Rectal strategies-Intra fraction motion

Double blind randomised

Magnesium oxide(500 mg twice a day)

Placebo

Number of patients

46

46

% pts with intra fraction motion defined as ≥50% of the fractions ≥2 mm

83%

80%

Lips IJROBP 2012