Government laws cause the drugs to be that expensive in the first place. There shouldn't be such a thing as government ran FDA. A rating agency can exist without a government involvement. But of course I am 100% on board that there shouldn't be any copyright or patent laws in the first place. Let the authors protect their own rights without any artificial government created and protected monopoly.
I say drug companies need to rely on trade secrets if they want that monopoly, not on any dorm of government intervention. As to prices being 'unfair', that is a load of crock in the free market. Unfortunately we don't have a free market especially where it comes to the drugs, we gave government oppression instead.
If I invent a cure for cancer or HIV or anything serious, I would only sell it as a treatment in a protected facility, so that the information in it would stay private for as long as I can keep it. The price would be whatever I say and if a government comes for it I would much rather see it destroyed, wiped out rather than sine collectivist government violate my private property rights.