Radiation Therapy With or Without Carbogen and Niacinamide in Treating Patients With Bladder Cancer

Sussex Cancer Centre at Royal Sussex County Hospital, Brighton

Bristol Haematology and Oncology Centre, Bristol

Kent and Canterbury Hospital, Canterbury

Derbyshire Royal Infirmary, Derby

Ipswich Hospital NHS Trust, Ipswich

Cookridge Hospital at Leeds Teaching Hospital NHS Trust, Leeds

Christie Hospital NHS Trust, Manchester

Clatterbridge Centre for Oncology NHS Trust, Merseyside

Northern Centre for Cancer Treatment at Newcastle General Hospital, Newcastle upon Tyne

Mount Vernon Cancer Centre at Mount Vernon Hospital, Northwood

Nottingham City Hospital NHS Trust, Nottingham

Oldchurch Hospital, Romford

Cancer Research Centre at Weston Park Hospital, Sheffield

Velindre Cancer Center at Velindre Hospital, Cardiff