The response to reducing T levels via blocking hormones varies significantly between individuals. Some folks will lose a lot of lean body mass and some will lose less. Some folks will lose a lot of strength and some will lose less. In general, most will lose a significant amount of strength and muscle mass based on the existing literature. Unfortunately, we don’t have much on the effects of training and nutrition on altering someone’s trajectory in this population.
I wrote about the majority of the existing data on this topic here: