The two drug trials were known within SmithKline Beecham as Study 329 and Study 377. Study 329 suggested that the company's popular drug Paxil might help depressed adolescents. Study 377, completed not long afterward, indicated that Paxil provided no more benefit than a sugar pill in treating depressed young people. But only the favorable study was widely publicized by Paxil's maker. The company chose not to discuss publicly the trial with negative results, and those findings came to light only when an outside researcher on the study team decided to disclose them at a medical conference. "That particular study would...