Real-World Study Shows Vibrant System Delivers Sustained Relief for Chronic Constipation with Minimal Side Effects
Key Insights
A real-world evidence study of 1,722 patients demonstrated that the Vibrant System (search), an FDA-cleared vibrating capsule, provides sustained improvement in bowel frequency and stool consistency over 3 and 6 months for chronic idiopathic constipation (search).
The drug-free treatment showed exceptional tolerability with only 0.64% of patients reporting diarrhea, significantly lower than traditional pharmacologic treatments for constipation.
Patients experienced an average increase of more than one complete spontaneous bowel movement per week and a 45% reduction in straining effort, with improvements maintained long-term.
A comprehensive real-world evidence study published in Clinical and Translational Gastroenterology has demonstrated the long-term effectiveness and exceptional safety profile of the Vibrant System (search)™, an FDA-cleared, drug-free treatment for adults with chronic idiopathic constipation (search) (CIC). The study, led by Dr. Darren M. Brenner of Northwestern University, evaluated 1,722 patients across community practices in the United States and confirmed sustained clinical benefits over 3 and 6 months of continued use.
Superior Tolerability Profile
The Vibrant System (search)™ demonstrated remarkable tolerability compared to traditional prescription therapies, which often carry high rates of gastrointestinal side effects. Only 0.64% of patients reported diarrhea—a rate dramatically lower than that typically seen with pharmacologic treatments for CIC. Additionally, less than 2% reported abdominal pain, and just 1.3% reported bloating or distention.
"These results validate that Vibrant can achieve durable symptom relief for patients without the trade-offs that often come with medication," said Dr. Brenner, lead author of the study. "In real-world community practice, patients are seeing meaningful improvements with minimal side effects—that's a major advancement for long-term constipation care."
Sustained Clinical Improvements
After 3 and 6 months of therapy, patients using the Vibrant System (search)™ experienced significant and statistically meaningful improvements across multiple clinical parameters. The study documented an average increase of more than one complete spontaneous bowel movement per week (p<0.0001), representing a clinically significant improvement in bowel frequency.
Stool consistency also improved substantially, with Bristol Stool Form Scale scores increasing from a mean of 2.9 to 4.1, indicating a shift from hard, difficult-to-pass stools to more normal consistency. Patients experienced a 45% reduction in straining effort and a significant decrease in toileting time, from approximately 33 minutes to 15 minutes per bowel movement.
Importantly, these improvements were maintained long-term, demonstrating durability of response and high patient adherence across hundreds of real-world users.
Addressing Unmet Medical Need
The study addresses a significant clinical challenge, as up to 14% of adults worldwide suffer from CIC, and more than half report dissatisfaction with available therapies due to limited efficacy or adverse events. As the first and only drug-free, non-invasive capsule that uses mechanical stimulation to enhance natural colonic motility (search), the Vibrant System (search)™ offers a new treatment pathway for patients seeking effective, well-tolerated, and sustainable relief.
The device is FDA-cleared for adults with CIC who have not responded to standard laxatives, providing an alternative for patients seeking safe, effective relief without the side effect profile associated with pharmacologic interventions.
Clinical Significance
"This study underscores Vibrant's commitment to improving quality of life for the millions of people living with chronic constipation," said Asaf Bar, Vibrant Gastro (search) CEO. "We're proud to see such strong real-world outcomes confirming what clinical trials have already shown: Vibrant consistently works, and patients tolerate it remarkably well."
The study, titled "Real-World Evidence of the Long-Term Clinical Utility of a Vibrating Capsule in the Management of Chronic Idiopathic Constipation (search)," was co-authored by Drs. Satish S.C. Rao, Bryan Curtin, and Eamonn M.M. Quigley, and is available open access in the September 2025 issue of Clinical and Translational Gastroenterology.