Is TMS treatment effective beyond placebo?

Yes. Multiple sham-controlled and double blinded trials indicate TMS is effective beyond placebo.

Multiple sham-controlled and double blinded trials indicate TMS is effective beyond placebo and in line with or less than the placebo effect of many antidepressants, including SSRIs (Rief et al 2009)

  Response Remission
Active 72.8% 34.6%
Sham 24.8% 9.7%

(Table adapted from Berlim et al 2013)