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The UNBLOCS trial

The following people are involved with this project:

More about this project

Enlargement of the prostate can make it difficult, or even impossible, for men to pass urine or cause other bothersome urinary symptoms.


25,000 men each year have an operation to reduce the size of their prostate, making it one of the most common operations performed in the NHS.

The aim of the UNBLOCS trial is to compare standard surgery for prostate reduction and a new type of laser surgery, to establish which gives the best results and value for patients and the NHS.

The trial will run for four years, ending in December 2017. A total of 410 men will take part across seven centres in the UK; Bristol, Newcastle, Aberdeen, Swindon, Cheltenham, Truro and Leeds.

Project dates
01 Jan 2013 - 31 Dec 2017

For further information, see the project's website:

www.bristol.ac.uk/unblocs

Project director(s):
Mr Hashim Hashim
Project funder:
National Institute for Health Research Health Technology Assessment programme
Project collaborator(s):
North Bristol NHS Trust
University of Bristol
Contact: