Our Impact Research carried out by the Clinical Trials Research Unit at the University of Sheffield has had a lasting impact on the care of patients and healthcare services worldwide. You are here Home Clinical Trials Research Unit Our Impact Protecting patients with motor neurone disease Our trial of a proposed treatment for motor neurone disease (MND) prevented countless patients from coming to harm. Avoiding ineffective treatments for bronchiolitis Acute bronchiolitis is the most common cause of hospitalisation in babies. Our trial prevented babies from receiving ineffective treatment. Helping stroke survivors find lost words Our work using technology to treat aphasia has led to changes in worldwide stroke rehabilitation guidelines. Helping haemorrhoids patients avoid painful surgery Our HuBBLe trial compared popular haemorrhoid treatments to see which was less painful and more effective for patients. GETTY Images International impact Our research has also influenced the organisation of international health policy. See how our research affects international healthcare policies