PIPages
Labs

Bonnie Martin-Harris

Northwestern University, IL·Medicine & Clinical Research

Cancers of the throat region (oropharyngeal head and neck cancer, OP HNC) have risen sharply in the United States. Many patients now survive treatment but live with lasting swallowing problems, known as dysphagia, that can let food or liquid enter the airway.

Fields

Medicine & Clinical Research

Biomedical Engineering

Physiology

Topics

dysphagia

swallowing disorders

oropharyngeal cancer

Grants
1 known grant, through Jul 2027

What they work on

  1. Test in a randomized, sham-controlled trial of 88 oropharyngeal head and neck cancer survivors whether respiratory-swallow phase training increases the share of swallows started while breathing out.
  2. Determine whether the training improves swallowing safety on the Penetration-Aspiration Scale, plus residue and swallowing impairment scores, using videofluoroscopy synchronized with a wearable respiratory-swallow sensor.
  3. Measure whether swallows started during exhalation become more frequent during everyday eating and drinking, tracked with the wearable sensor for up to 12 weeks after treatment.

More about the research

Current therapies focus only on swallowing movements. They ignore when in the breathing cycle a person swallows. Swallowing while breathing out is mechanically safer. Patients who instead start swallows while breathing in tend to have more impairment, more leftover food in the throat (residue) and more airway entry.

Why it matters

Survivors of oropharyngeal head and neck cancer often face lifelong swallowing problems with few treatment options, and food entering the airway is a safety risk. If breathing-timed swallow training works, it could become a new therapy delivered at home by telehealth. It could also be combined with existing swallowing treatments to improve recovery for these patients.

Known grants

From NIH and NSF research grants. Labs often have other funding we can't see.

Training Swallowing Initiation during Expiration: Impact on Safety and Efficiency Following Treatment for Oropharyngeal Head and Neck Cancer

NIH · Aug 2021 – Jul 2027

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The school

Northwestern University: 71 labs on PI Pages, $1.3B a year on research, 536 research doctorates a year.

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