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Revolutionizing Weight Loss: Introducing the VIBES Pill, Your Gut's Gentle Reminder to Feel Full

Written by Andrew Le, MD

UpdatedNovember 13, 2024

Researchers have developed a novel approach to aid in weight management by tricking the body into feeling full, potentially transforming how obesity is treated. The pioneering work led by Shriya S. Srinivasan and her team introduces the Vibrating Ingestible BioElectronic Stimulator (VIBES), an ingestible pill designed to target gastric stretch receptors and elicit a sensation of fullness without the need for invasive procedures.

The VIBES device activates after reaching the stomach, vibrating to stimulate the nerves responsible for signaling satiety to the brain. This bioelectronic pill vibrates with amplitudes that effectively induce a serotonin release linked to feeling fed, without the ingestion of food. It harnesses vagal nerve signaling crucial for controlling hunger through a refined application of mechanoreceptor biology.

In the study, swine were used due to their similar gastric anatomy to humans. Experiments showed a significant (~40%) reduction in food intake and a decrease in the weight gain rate when compared to control groups. This response can be attributed to an alteration in hormonal secretions associated with feeding behavior, such as a marked decrease in the "hunger hormone" ghrelin and an increase in insulin.

The VIBES pill performs luminal vibratory stimulation, leading to early satiation, and exits the body naturally, ensuring high safety and convenience. Moreover, neither short-term nor long-term adverse effects were observed within the study's scope. The device holds potential for large-scale production, suggesting an affordable option for individuals struggling with obesity.

Animal models have been fundamental in this study to ensure the VIBES pill resonated with a realistic anatomical context. Following successful trials with swine, further research could target smaller animal models and eventually human clinical trials.

This ingestible device could soon offer a non-invasive, temporary, and cost-effective response to obesity, potentially providing an attractive alternative to currently limited and often invasive treatment options. For those interested in the full ramifications of VIBES and the scientific journey to its creation, the complete study is available at https://www.science.org.

Article attribution: Built with the help of Buoy Health.

References

Srinivasan, S. S., Alshareef, A., Hwang, A., Byrne, C., Kuosmanen, J., Ishida, K., Jenkins, J., Liu, S., Mohammed Madani, W. A., Hayward, A. M., Fabian, N., Traverso, G. (2023). A vibrating ingestible bioelectronic stimulator modulates gastric stretch receptors for illusory satiety. Science Advances, 9(51), eadj3003. https://doi.org/10.1126/sciadv.adj3003