Very sorry to hear about your problems. According to you the disease is at stage IV. Stage IV renal cell carcinoma
has not got good prognosis. At your present condition protein restricted diet is necessary. votrient is pazopanib
, a targeted therapy used in metastatic renal cell carcinoma. Glass of wine should not be encouraged at this stage though it will not alter the metabolism
of drug in a significant way. Considering your present medical condition, better to avoid wine. Take care.