A Phase 2 interventional study of Digital Intelligent Tongue-Pressure Biofeedback Resistance Training and Conventional Tongue-Pressure Resistance Training in Dysphagia and Stroke, sponsored by First People's Hospital of Foshan. Recruiting at 1 site in China. Open to participants aged 18 Years to 80 Years. Per ClinicalTrials.gov, last updated 2026-09-01.
Sponsored by First People's Hospital of Foshan · Phase 2, Interventional, and Treatment
Post-stroke dysphagia is a common complication of stroke and may lead to impaired oral intake, malnutrition, aspiration, and pneumonia. Reduced tongue strength and tongue pressure are important contributors to impaired swallowing after stroke. Conventional tongue-pressure resistance training may improve tongue strength, but traditional training provides limited real-time feedback and may be difficult to individualize.This prospective, multicenter, randomized, open-label, parallel-controlled trial will evaluate the effectiveness of digital intelligent tongue-pressure biofeedback resistance training in patients with post-stroke dysphagia. A total of 80 participants will be randomly assigned in a 1:1 ratio to an intervention group or a control group. Participants in the intervention group will receive digital intelligent tongue-pressure biofeedback resistance training in addition to conventional swallowing rehabilitation, while participants in the control group will receive conventional rehabilitation without the digital biofeedback intervention. The intervention period will last 2 weeks.Swallowing function will be assessed at baseline and after completion of the intervention. The primary outcome is the change in Functional Oral Intake Scale (FOIS) score. Secondary assessments include maximum tongue pressure and quantitative videofluoroscopic swallowing study (VFSS) measures, including oral transit time, Penetration-Aspiration Scale score, and pharyngeal residue. The study aims to determine whether digital intelligent tongue-pressure biofeedback resistance training provides additional benefits for swallowing function, tongue strength, and swallowing safety in patients with post-stroke dysphagia.
871 studies on the registry are indexed under Deglutition Disorders; 237 are open to participants now.
This study's planned enrollment of 80 is above the median of 60 across 578 interventional studies indexed under Deglutition Disorders.
Browse Deglutition Disorders studies →First People's Hospital of Foshan is the lead sponsor of 10 studies on the registry; 3 are open to participants now.
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clusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.
Stroke symptoms need emergency care at once, even if they go away.
Short tests of memory and thinking, each scored out of 30. Lower scores suggest more difficulty; criteria give a range, either to include people with memory problems or to leave them out.
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
TIA (transient ischaemic attack)
A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.
Stroke symptoms need emergency care at once, even if they go away.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
MMSE and MoCA
Short tests of memory and thinking, each scored out of 30. Lower scores suggest more difficulty; criteria give a range, either to include people with memory problems or to leave them out.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hypersensitivity
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Participants will receive digital intelligent tongue-pressure biofeedback resistance training in addition to conventional swallowing rehabilitation. The training includes anterior and posterior tongue isometric strengthening and precision biofeedback training. Strength training is initially set at 80% of the participant's maximum tongue pressure, and endurance training is initially set at 50% of the maximum tongue pressure.
Device: Digital Intelligent Tongue-Pressure Biofeedback Resistance Training
Participants will receive conventional tongue-pressure resistance training without digital intelligent pressure monitoring or real-time biofeedback.
Device: Conventional Tongue-Pressure Resistance Training
Digital intelligent tongue-pressure biofeedback resistance training is delivered using a tongue-pressure resistance training device equipped with real-time pressure sensing and visual biofeedback. Tongue pressure is measured at the anterior, middle, posterior, left, and right regions using a five-point pressure sensor. Training includes anterior tongue isometric strengthening, posterior tongue isometric strengthening, and precision biofeedback training. For strength training, the initial target is set at 80% of the participant's maximum tongue pressure, with 20 repetitions per site for 3 sets. For endurance training, the initial target is set at 50% of the maximum tongue pressure.
Conventional tongue-pressure resistance training is performed without digital pressure monitoring or real-time visual biofeedback. Participants perform conventional tongue-strengthening exercises by repeatedly pressing the tongue against the hard palate to strengthen the tongue musculature.
Functional Oral Intake Scale (FOIS) Score
The Functional Oral Intake Scale (FOIS) is a 7-point ordinal scale used to assess the functional level of oral food and liquid intake. Scores range from 1 (nothing by mouth) to 7 (total oral diet with no restrictions). Higher scores indicate better functional oral intake.
Time frame: Baseline and immediately after completion of the 2-week intervention
Tongue Pressure
Tongue pressure will be measured using the tongue-pressure resistance training device. Participants will perform three tongue-pressure measurement trials, and tongue pressure will be assessed at the anterior, middle, posterior, left, and right regions of the tongue.
Time frame: Baseline and immediately after completion of the 2-week intervention
Plan to share: No
Started Jun 2026 (actual). Primary completion is estimated for Dec 2028, 30 months after the start.
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First People's Hospital of Foshan