Protocol for the ORION trial (RadiO fRequency ablatION for haemorrhoids): a randomised controlled trial.

"Declarations Conflict of interestNo conflicts of interest to declare. Ethical approvalThe research has been approved by London-Queen Square NHS Research Ethics Committee (ref 21/LO/0762). Amendments to the protocol will be submitted to the Health Research Authority and Research Ethics committees as required and circulated to relevant parties. Informed consentParticipants will give written consent either by remote postal consent, or face to face at surgical outpatient’s clinics. Conflict of interest No conflicts of interest to declare."

"This study/project is funded by the National Institute for Health Research, Health Technology Assessment programme (NIHR131861). The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care. The Sponsor of this research is Sheffield Teaching Hospitals NHS Foundation Trust (STH21154)."

"Trial registration ISRCTN14474552."