The current system is imperfect, but it's not outright fraudulent. In general, if a company claims "Drug X gives 10% more pain relief than aspirin", they have to support that claim with evidence, which can be reviewed (and contested, if the methodology, outcome, or other factors don't support the claim).
That's not to say there aren't improvements that can be made: All Trials [1][2] is one campaign to improve the system.
That's not to say there aren't improvements that can be made: All Trials [1][2] is one campaign to improve the system.
[1] https://en.wikipedia.org/wiki/AllTrials
[2] http://www.alltrials.net/