VIDEO: A pacemaker for the brain? Doctors in China turn to deep brain stimulation to treat drug addiction. Read the story here:
This Monday, Oct. 29, 2018 photo shows a brain scan of a methamphetamine addict with the path of electrodes that doctors at Ruijin Hospital in Shanghai, China implanted to stimulate an area of the brain associated with addiction. Western attempts to push forward with human trials of deep brain stimulation for drug addiction have foundered, even as China has emerged as a hub for this kind of research. But the vast suffering wrought by the U.S.
The treatment — deep brain stimulation — has long been used for movement disorders like Parkinson’s. Now, the first clinical trial of DBS for methamphetamine addiction is being conducted at Shanghai’s Ruijin Hospital, along with parallel trials for opioid addicts. And this troubled man is the very first patient.
There are eight registered DBS clinical trials for drug addiction being conducted in the world, according to a U.S. National Institutes of Health database. Six are in China. Smoking made Yan feel faint and slightly unhinged. Later, he found meth brought crystalline focus to his mind, which he directed at one thing: Cards. Every time Yan smoked, he gambled. And every time he gambled, he lost — all told, around $150,000 since he started using drugs, he estimated.Yan checked into a hospital for detox, moved to another town to get away from bad influences, took Chinese traditional medicine. But he relapsed every time. “My willpower is weak,” he said.
DBS builds on that history. But unlike lesioning, which irreversibly kills brain cells, the devices allow brain interventions that are — in theory — reversible. The technology has opened a fresh field of human experimentation globally. “It would be fantastic if there were something where we could flip a switch, but it’s probably fanciful at this stage,” said Adrian Carter, who heads the neuroscience and society group at Monash University in Melbourne. “There’s a lot of risks that go with promoting that idea.”
The body count has added urgency to efforts to find new, more effective treatments for addiction. While doctors in the U.S. are interested in using DBS for addiction, work funded by the U.S. National Institutes of Health is still focused on experiments in animals, not people.
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