mckinseylogo-300x169When Big Pharma gets jammed up by federal regulators overseeing what may be risky prescription drugs, what to do? How about hiring the help of a powerful, secretive business consulting company — which also happens to be advising the feds on how best to regulate drug companies?

That’s the gist of yet more disturbing findings about McKinsey and Co.’s sketchy dealings with Big Pharma and now the federal Food and Drug Administration.

The corporate consulting titan, though it was required to do so, failed over a decade to formally disclose its work for drug makers, including those involved in the opioid abuse and drug overdose crisis, at the same time as it won big contracts with the FDA, according to excellent digging by ProPublica, a Pulitzer Prize-winning investigative site.