New Wearable Sensor May Help Support Swallowing in Parkinson’s Disease

A clinical study has shown promising results for a wearable sensor designed to support people living with Parkinson’s disease who experience swallowing difficulties — a symptom that affects up to 80% of the Parkinson’s community. Understanding Swallowing Challenges in Parkinson’s While Parkinson’s disease is often associated with movement changes, it can also affect the muscles involved in swallowing and breathing — a condition known as bulbar dysfunction. Swallowing difficulties (called dysphagia) can result in serious health concerns, including choking, malnutrition, trouble taking medications, and social discomfort due to drooling. How the Wearable Sensor Works The new device uses AI-enabled sensors (called ADAM sensors) placed on the throat and hand to monitor swallowing in real time. If swallowing slows down, the device gently vibrates to prompt a swallow — a feature known as haptic feedback. This subtle reminder may help people maintain healthier swallowing patterns throughout the day. The sensors are rechargeable and controlled through a mobile device. In addition to swallowing, they can also monitor movement, sleep, breathing, and heart rate. Encouraging Study Results In a clinical trial with 20 adults living with mild to moderate swallowing challenges related to Parkinson’s, the sensor accurately detected 89% of swallows identified by clinical experts. When the haptic feedback feature was activated, participants’ average swallowing frequency increased by 45%, bringing them closer to the range seen in people without dysphagia. Researchers believe that, over time, increasing swallowing frequency may help improve swallowing function and reduce symptoms like drooling. Feedback from People with Parkinson’s and Caregivers Participants and caregivers who took part in the study shared positive feedback about the device. They also offered helpful suggestions, such as making the sensor easier to put on and take off, and offering skin-tone color options for comfort and discretion. The research team is now working to incorporate this feedback into a more user-friendly design. Future features may include guided swallowing exercises and the ability to track progress remotely — allowing for care that fits more naturally into daily life. Looking Ahead While larger studies are needed, this early research suggests the sensor could be a powerful tool for supporting swallowing health in Parkinson’s disease. It may also play a role in earlier detection of symptoms and improved tracking in clinical trials. The U.S. Food and Drug Administration has accepted the sensor into its Drug Development Tool program, recognizing its potential as a clinical outcome measure. Backed by the Michael J. Fox Foundation for Parkinson’s Research, this study reflects a growing focus on personalized, respectful, and proactive care for people living with Parkinson’s.