Inclusion Criteria:

- The subject is not of childbearing potential and signed informed consent.

- Subject with 1 or more primary bladder tumours, confirmed on an outpatient cystoscopy
or subjects with 1 or more recurrent bladder tumours appearing within 12 months of
removal of a previous bladder tumour, confirmed on an outpatient cystoscopy.

Exclusion Criteria:

- The subject was previously included in this study.

- The subject has a history/is suspected to have TaG3 or greater than or equal to T1
tumours or carcinoma in situ (CIS).

- The subject is suspected to have single primary or single recurrent TaG1 tumours when
recurrence occurs more than 1 year after initial diagnosis or previous recurrence.

- The subject has known tumours in the prostatic urethra, distal urethra, or upper
urinary tract.

- The subject has gross haematuria.

- The subject has a history of porphyria.