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Who is eligible to take part?
Who is eligible to take part?
Click here for the eligibility criteria.
Can I take part if I'm already participating in another trial?
Can I take part if I'm already participating in another trial?
No, patients cannot be included if they are taking part in another interventional clinical trial.
Who can I discuss the trial with if I am interested in taking part?
Who can I discuss the trial with if I am interested in taking part?
If you have any further queries, please contact your surgeon, the central research team for your hospital or send an email to orion@sheffield.ac.uk.
Which hospitals are taking part in the trial?
Which hospitals are taking part in the trial?
Click here for a full list of participating centres.
Who decides what treatment participants will receive?
Who decides what treatment participants will receive?
Half of the people who take part in the ORION Trial will receive the Radiofreqency ablation (RFA) treatment and the other half will receive their surgeon’s choice of treatment. Which treatment a person gets will be decided by chance (like tossing a coin). This is called randomisation. This makes sure that the patients in each treatment group are as similar as possible, except for the treatment they receive. Neither you nor your doctor will have any influence over which treatment you receive.
If you are randomly allocated to receive your surgeon’s choice of treatment, you will receive either haemorrhoidectomy, stapled haemorrhoidopexy, or haemorrhoidal Artery Ligation.
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