Dear All everygone know that deal with chemo is very tuff job but I read in this forum in advance prostate cancer chemo can be done again and again lets take an example first session of chemo can be done psa is down then again after 1 year psa goes up then again chemo. Chemo is for life time there is no medicine just like diabetic and blood pressure which suppress cancer for life long . My father is done with 5th chemo he looses 10 kg weight other sideeffect like leg pain unable to walk by god grace psa down to 5 before it was 640 + he can take zolodax injection oncologist said after 6 th chemo there is some test bone scan because he is having mscc pls tell me