After Long Wait, Medtronic Starts Big Depression Study

After a delay, Medtronic has started the the pivotal trial of DBS for major depression, read some more here.
On the protocol:

Medtronic's study will start with enrollment of 30 people at five sites, but there are plans to enroll up to 200 patients from 20 sites. Patients in the study will have a device implanted, but for some patients, the device won't be turned on for the first 16 weeks - this way the trial can be randomized between patients who are receiving treatment and not receiving treatment.