Pfizer disputes suit claiming Zoloft doesn't work Associated Press Copyright 2013 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 2:14 pm, Thursday, January 31, 2013 Zoloft's maker, Pfizer Inc., the world's biggest drugmaker by revenue, disputes the claim, telling The Associated Press Thursday that clinical studies and the experience of millions of patients and their doctors over two decades prove Zoloft is effective. The suit accuses Pfizer of consumer fraud and other offenses, ... Read More