1.	Phase III Randomized Study of Radical Radiotherapy With or Without Carbogen and Niacinamide in Patients With Locally Advanced Transitional Cell Carcinoma of the Bladder Phase: Phase III Type: Treatment Status: Closed Age: Over 18 Sponsor: Other Protocol IDs: MTVERNHOSP-BCON, EU-20051, NCT00033436
2.	Randomized Trial of ARCON in Larynx Cancer Phase: Phase III Type: Treatment Status: Closed Age: 19 and over Sponsor: Other Protocol IDs: 098, CKTO 2000-09, NCT00147732
3.	Patient Selection for Hypoxia Modifying Treatments in Larynx Carcinomas Phase: Phase III Type: Natural history/Epidemiology, Treatment Status: Closed Age: 18 and over Sponsor: Other Protocol IDs: 088, KUN 2003-2899, NCT00160095
4.	Phase I/II Study of Accelerated Radiotherapy with Carbogen and Nicotinamide Radiosensitization (ARCON) in Patients with Glioblastoma (Summary Last Modified 06/97) Phase: Phase II, Phase I Type: Treatment Status: Closed Age: 16 to 69 Sponsor: Protocol IDs: EORTC-22933
5.	Phase I/II Study of Accelerated Radiotherapy with Carbogen/Niacinamide Radiosensitization (ARCON) in Squamous Cell Head and Neck Cancer, Nonsmall Cell Lung Cancer, and Transitional Cell Carcinoma of the Bladder (Summary Last Modified 06/95) Phase: Phase II, Phase I Type: Treatment Status: Closed Age: under 70 Sponsor: Protocol IDs: EORTC-22923