There is a small but promising study out of Standard Medical Center that has shown a depression remission rate of 90% in a recent study. 

This was accomplished by delivering a high dose of magnetic stimulation to patients suffering from severe depression, over an accelerate time line.

What is remarkable is that, according to Nolan Williams, MD,  a senior author of the study, “There’s never been a therapy for treatment-resistant depression that’s broken 55% remission rates in open-label testing.”  “Electroconvulsive therapy is thought to be the gold standard, but it has only an average 48% remission rate in treatment-resistant depression. No one expected these kinds of results.”

Read more here