In the article, why were the results of the placebo group omitted (the whole point of a placebo study is to accurately compare treatment vs nontreatment)? Did the subjects continue to be monitored under the rehabilitation program? Why are they giving methadone to cocaine addicts?

This study is really, really weird. Drug companies need to invest in PR, because if they rely on gimmicks like these to line their pockets, it's gonna take a lot more than Zoloft to stop people from asking questions.