Let me guess. The answer is to cap drug prices, or have the government buy drugs at a capped price and then dole them out based on need.
Trust me. Whatever they do (how much cash has Clinton taken from the pharmaceutical industry?) it won't hurt the drug companies or the insurance companies. At most, they will shift the cost from the people benefiting from the drugs to the people picking up the tab.
The federal government has CREATED the problem.
It's just like higher education costs: if the government makes it possible (through student loans) for people to spend nearly unlimited amounts of money on something, they'll do it. And, the universities respond to the demand by raising prices (tuition). You can't change the law of supply and demand.
The same thing is happening with prescription medications. They are raising prices because people are insulated from the actual cost -- their insurance will pay for it, after a small co-pay. Medicare Part D is just the largest payer.
Drug companies do this because it literally costs a billion dollars to develop a new drug, get FDA approval, and bring it to market. They have to recoup their cost and make some profit before the patent expires, and anyone that can mix chemicals can manufacture it (i.e. generics).
The new biologic medicines (like Enbrel, etc.) are actually manufactured by genetically modified bacteria. Those are incredibly expensive (like $1,000 per week), but it's unlikely there will ever be a generic version. The manufacturer isn't going to hand out their bacterial cultures, and it will be difficult for another manufacturer develop and get approval for one on their own.