H Shang H et al. Clinical Gastroenterology and Hepatology, 2026; Singing Therapy versus Diaphragmatic Breathing for Supragastric Belching: A Multicenter Randomized Controlled Trial
Background: “Supragastric belching (SGB) significantly impairs quality of life. Although diaphragmatic breathing is recommended as a first-line intervention in clinical guidelines, some patients perceive it as monotonous.”
Methods: “This randomized controlled trial, 72 adult patients with supragastric belching diagnosed according to Rome IV criteria were randomly assigned (1:1) to structured singing therapy (ST) or diaphragmatic breathing at 2 tertiary gastroenterology centers in China. The primary outcome was the treatment response, defined as ≥50% reduction in belching visual analog scale scores.”
Singing Therapy:
“Patients with excessive belching episodes underwent structured ST sessions administered by gastroenterologists using 1 of 4 standardized Chinese folk songs (“The Sea,” “For Whom,” “Story of Spring,” or “The Most Dazzling National Style”), with each session lasting approximately 5 minutes.
Participants were required to:
- Perform vocalization with musical accompaniment.
- Sustain open-mouth phonation to promote diaphragmatic activation, with real-time feedback provided via visual cues (observation of abdominal expansion in a mirror during inhalation) and tactile cues (light hand placement on the abdomen to monitor respiratory motion and suppress thoracic dominance).
- Achieve a target vocal intensity of 80 dB, verified using calibrated smartphone decibel meter applications (Decibel Meter App).
- Patients were instructed to perform 5-minute vocal therapy sessions 3 times daily, with additional 5-minute sessions when symptomatic. This regimen was maintained continuously for 7 days.”
Key Findings:
- “After 1 week, ST demonstrated a significantly higher response rate than diaphragmatic breathing both immediately postintervention (72.2% vs 38.9%; P = .004) and at 1-month follow-up (50.0% vs 30.6%; P = .032). “
- “ST demonstrated greater and more sustained benefits in quality-of-life measures.”
Discussion:
- “ST may ameliorate belching through mechanisms potentially shared with DB. First, both interventions likely reduce belching by attentional diversion, as distraction-based attentional modulation has been shown to alleviate belching.21“
- “Existing literature indicates that both ST16,28 and DB29 possess anxiolytic effects.”
My take: It will be interesting to see if this therapy will be effective in different populations and in pediatric cohorts. Also, could this treatment lead to more American Idol auditions?
Related blog posts:
- Jose Garza: Belching, Bloating and Best Advice
- Rome V Pediatric Upper Gastrointestinal Disorders of Gut-Brain Interaction (Part 3)
- Breathing (Diaphragmatic) Helps Belching and Reflux Symptoms
- Expert Advice on Bloating, Belching and Distention













