Comparison of psychotherapies for adult depression to pill placebo control groups: a meta - analysis (bmjopen.bmj.com)
The use of credible placebo control groups for CBGT and phenelzine (educational supportive therapy and pill placebo, respectively) enhances the validity of the conclusion that the 2 primary therapies being tested were genuinely effective in alleviating social phobia. (ebmh.bmj.com)
Researchers leading a large, ongoing study in women called VOICE that compares PrEP with pills to a vaginal microbicide plan to revaluate the ethics of continuing to use a placebo control group given the new evidence of oral Truvada's powerful impact. (sciencemag.org)