RecruitingNot Applicable

Relationship Between Mouth Opening and Masseter Elasticity in Oral Cancer

Taiwan10 participantsStarted 2025-05-16

Plain-language summary

The study aims to assess the hardness of masticatory muscles in post-surgical oral cancer patients using strain elastography ultrasound, calculating the masseter elasticity index and exploring its association with maximum interincisal mouth opening. Furthermore, the study incorporates exercise training to analyze whether changes in masseter hardness can serve as an objective indicator for predicting the improvement of trismus.

Who can participate

Age range

20 Years – 65 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

. Newly diagnosed oral cancer patients who are scheduled to receive cancer-related treatments (e.g., oral cancer surgery, radiotherapy, chemotherapy, or chemoradiotherapy).
. Age between 20 and 65 years.

Exclusion criteria

. Could not communicate.
. Had any disorder that could influence movement performance.

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Masseter muscle elasticity

Timeframe: Pre-intervention, 8 weeks post-intervention

Maximum interincisal mouth opening

Timeframe: Pre-intervention, 8 weeks post-intervention

Trial details

NCT IDNCT06941727

SponsorNational Taiwan University Hospital

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2026-12-31

Contact for this trial

Yueh-Hsia Chen, PhD

+886-2-33668133 yuehhsiachen@ntu.edu.tw

View on ClinicalTrials.gov More Oral Cancer trials