Eliot Spitzer, New York's state attorney general has filed a lawsuit against GlaxoSmithKline for concealing negative trials about an antidepressant that the company manufactures (Paxil).
- GlaxoSmithKline faces US lawsuit over concealment of trial results. Dyer O. Bmj 2004: 328(7453); 1395. [Medline] [Full text] [PDF]
There has been a lot written about industry biases. I have a bibliography on publication bias which includes quite a few references on how commercial interests can often restrict the publication of negative results.
You can find an earlier version of this page on my original website.