Psycho-Babble Medication Thread 528547

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brain stimulator for depression-would you do it?

Posted by smokeymadison on July 16, 2005, at 12:32:12

i just found this through Yahoo news. i have had problems w/ depression all my life. if this thing works i think that i would seriously consider getting it implanted. what would you do?


FDA OKs Brain Stimulator for Depression

By LAURAN NEERGAARD, AP Medical Writer
2 hours, 29 minutes ago

WASHINGTON - The government on Friday approved a new therapy for the severely depressed who have run out of treatment options: a pacemaker-like implant that sends tiny electric shocks to the brain.

The Food and Drug Administration's clearance opens Cyberonics Inc.'s vagus nerve stimulator, or VNS, as a potential treatment for an estimated 4 million Americans with hard-to-treat depression — despite controversy over whether it's really been proven to work.

"These are patients pretty much at the end of the line in terms of what treatment options are available to them," said FDA medical device chief Dr. Daniel Schultz, who said he personally was persuaded by Cyberonics' research despite initial skepticism within his agency.

The pacemaker-like implant has been sold since 1997 to control intractable epilepsy, a much smaller market.

A generator the size of a pocket watch is implanted into the chest. Wires snake up the neck to the vagus nerve, delivering tiny electric shocks through that nerve and into a region of the brain thought to play a role in mood.

Cyberonics began a 200-patient study to see whether VNS could treat depression patients not adequately helped by other therapies. An FDA review last year found no difference after three months of implant treatment. Cyberonics argued that a year later, a significant number of the VNS recipients had had their depression ease.

That yearlong follow-up hadn't been done according to standard scientific procedures — it wasn't a randomized controlled study — and thus critics questioned its validity.

Cyberonics continued to track the VNS recipients, and two years later a third of patients in the original study had experienced some response and between 17 percent and 20 percent were in remission, Schultz said, evidence he ultimately found persuasive.

Still, critics have complained that without a comparison group, it's unclear if the implant really helped or the depression eased for some other reason.

Schultz said there are some safety warnings. The chief risk: More than half of patients in the depression study experienced at least temporary voice alterations — a hoarseness or raspiness, or voice "breaks" — that seem to persist in a significant number, he said.

Other complications include difficulty breathing or swallowing, he said. Deaths have been reported among some epilepsy patients who have a VNS implant, but Schultz said there was no sign of increased deaths in the depression study.

 

Re: brain stimulator for depression-would you do it? » smokeymadison

Posted by crazy teresa on July 16, 2005, at 13:11:42

In reply to brain stimulator for depression-would you do it?, posted by smokeymadison on July 16, 2005, at 12:32:12

Wow! Maybe after they prove it'll work. Don't think that's a study I'd sign up for....

crazy t

 

Re: brain stimulator for depression-would you do i

Posted by med_empowered on July 16, 2005, at 15:16:32

In reply to Re: brain stimulator for depression-would you do it? » smokeymadison, posted by crazy teresa on July 16, 2005, at 13:11:42

yeah, the post-marketing study is weak and self-serving at best...at worst, its a downright violation of basic statistical/scientific inquiry. To me, the risks are just too great....and, that aside, the expense is incredible for a poorly understood treatment that may or may not be helpful. Sounds to me like the company was just trying to expand out of the epilepsy treatment market.

 

Re: brain stimulator for depression-would you do it?

Posted by bipolarspectrum on July 16, 2005, at 20:43:38

In reply to brain stimulator for depression-would you do it?, posted by smokeymadison on July 16, 2005, at 12:32:12

Hey,
I'd definately go for it.. depression is bad for the body as it is bad for the mind... I'm not sure how powerful those cranial nerve stimulators are though... But I understand theres limited health risks so i think you should pursue it..
bps


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