Volume-Oriented Incentive Spirometry-Assisted Diaphragmatic Breathing Exercise for Functional Heartburn or Reflux Hypersensitivity

Starting soon · Not applicable

Conditions studied: Functional Heartburn (FH), Reflux Hypersensitivity

In brief

The goal of this pilot randomized controlled trial is to determine whether volume-oriented incentive spirometry-assisted diaphragmatic breathing exercise (VIS-assisted DBE) can improve reflux-related symptoms and health-related quality of life in adults with functional heartburn (FH) or reflux hypersensitivity (RH). The main questions it aims to answer are: Does VIS-assisted DBE reduce reflux-related symptoms compared with usual care? Does VIS-assisted DBE improve health-related quality of life compared with usual care? Researchers will compare VIS-assisted DBE plus usual care with usual care alone to determine whether the intervention provides additional benefits in symptom relief and quality of life. Participants will: Complete baseline clinical evaluations and symptom questionnaires. Be randomly assigned to either the VIS-assisted DBE group or the usual care group. Receive either VIS-assisted diaphragmatic breathing exercises twice daily for 20 minutes over a 4-week period in addition to usual care, or usual care alone. Complete follow-up assessments after the 4-week intervention, including symptom and quality-of-life questionnaires

Key facts

Study ID

NCT07706101

Run by

Changhua Christian Hospital

People needed

82

Starts

2026-08-20

Expected to finish

2028-07-30

Last updated by the study team

2026-07-15

Who can join

Age: 20 and older, up to 100. Sex: any. Healthy volunteers: not accepted.

Full record on ClinicalTrials.gov

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