Suggest Treatment For Bladder Cancer With Secondaries In Lung And Liver

hi, my brother has bladder cancer with secondaries in lung and liver he is just about to start a second course of chemo.But due to continual discomfort of passing urine hourly through the night is exhausted. A friend given months to live in 2013 was recommended ranitadine and is in relatively good health 16 ths later is there any evidence of the positive effect of ranitadine in the treatment of cancer?