Vagal Nerve Implantable electrode for Rheumatoid Arthritis
Kristen Sparrow • September 13, 2025
From the New York Times. This development is a break through for the importance of vagal nerve stimulation in the treatment of chronic conditions. It consists of implanting a small stimulator that is battery operated and encircles the vagus nerve in the neck. This uses the body’s own feedback systems to help to qwell inflammation. As opposed to immune therapy or medications, it does not lead to immunosuppression or side effects. The case study below, shows that though it is not a “cure” the patient regained enough functionality that she was able to “get her life back.”
If you’re wondering why I’m covering this topic, Kevin Tracey was featured in my book, and I’ve followed his research with great itnerest. Acupuncture activates the vagus nerve through peripheral stimulation. Transcutaneous Auricular Vagal Nerve Stimulation ( placinga vibrating clip on the ear) (which I use in the clinic), also stimulates the vagus nerve. Both of these “delivery methods” require repeated treatments, but they are non-invasive and don’t require surgery and its problems.
For the patients with disabling rheumatoid arthritis, this is a true advance, and hopefully lead to vagal nerve implantation for other serious inflammatory conditions. But in the meantime, acupuncture, ear stimulation and even ear tacks, are a valid way improve vagal activity. When you do that you improve mood and sleep, and lower inflammation. Win Win.
The Food and Drug Administration on Wednesday approved a medical device that offers new hope to patients incapacitated by rheumatoid arthritis, a chronic condition that afflicts 1.5 million Americans and is often resistant to treatment.
The condition is usually managed with medications. The device represents a radical departure from standard care, tapping the power of the brain and nervous system to tamp down the uncontrolled inflammation that leads to the debilitating autoimmune disease.
The SetPoint System is an inch-long device that is surgically implanted into the neck, where it sits in a pod wrapped around the vagus nerve, which some scientists believe is the longest nerve in the body. The device electrically stimulates the nerve for one minute each day.
The stimulation can turn off crippling inflammation and “reset” the immune system, research has shown. Most drugs used to treat rheumatoid arthritis suppress the immune system, leaving patients vulnerable to serious infections
On a recent episode of the American College of Rheumatology podcast, the SetPoint implant was described as representing a “true paradigm shift” in treatment of the disease, which until now has relied almost entirely on an evolving set of pharmaceutical interventions, from gold salts to powerful agents called biologics.
The F.D.A. designated the implant as a breakthrough last year in order to expedite its development and approval. It represents an early test of the promise of so-called bioelectronic medicine to modulate inflammation, which plays a key role in diseases including diabetes, heart disease and cancer.
Clinical trials are already underway testing vagus nerve stimulation to manage inflammatory bowel disease in children, lupus and other conditions. Trials for patients with multiple sclerosis and Crohn’s disease are also planned.
In a yearlong randomized controlled trial of 242 patients that included a sham-treatment arm, over half of the participants using the SetPoint implant alone achieved remission or saw their disease recede. Measures of joint pain and swelling fell by 60 percent and 63 percent, respectively.
The most common serious complication was hoarseness associated with the implantation surgery, which just under 2 percent of participants experienced.
The device’s long-term effectiveness and safety outside a clinical trial are not yet known. The F.D.A. required post-marketing monitoring of patients and adverse events as part of the approval.
Surgery involving implants can lead to serious infections that may be resistant to antibiotics, experts noted.
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At 58, speech pathologist Dawn Steiner found new hope for her rheumatoid arthritis with the SetPoint vagus nerve implant after years of failed drugs and side effects. Since her July 2023 procedure, her pain dropped from a constant 6–7 to about 2, with less swelling and greater mobility. Unlike biologics, the implant doesn’t suppress immunity, letting her enjoy walks, concerts, and games again. Developed by Dr. Kevin Tracey, the device retrains the immune system through the vagus nerve instead of blocking pathways. Experts call it promising, though long-term durability and safety remain open questions. Steiner says, “I got my life back.”
