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Pharyngeal muscle weakness and dysphagia is common in individuals post-stroke or with Parkinson's disease and in individuals with head/neck cancer who have undergone surgery and/or radiation therapy. Therapeutic options for these patients are limited. This pilot study is intended to assess the feasibility, safety, and efficacy of the External Pharyngeal Exerciser (EPE) on patients with pharyngeal dysphagia receiving swallow therapy. Feasibility will be assessed by patient acceptance and practice records. Safety will be compared between groups to test whether there is an increased risk of the EPE versus standard therapy.
Pharyngeal dysphagia is incredibly common in individuals who suffer from neurological disorders such as stroke or Parkinson's disease and in individuals with head/neck cancer who have undergone surgery and/or radiation therapy. The pharyngeal muscles in these patients are weak. Other than standard patient-driven swallow therapy, the therapeutic options for these patients are limited. Response to standard patient-drive therapy is variable and dependent on a variety of factors including the muscles most affected by the underlying disorder and patient motivation. This pilot study is intended to assess the feasibility, safety, and efficacy of the External Pharyngeal Exerciser (EPE) on patients with pharyngeal dysphagia receiving swallow therapy. Feasibility will be assessed by patient acceptance and practice records. Safety will be compared between groups to test whether there is an increased risk of the EPE versus standard therapy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| standard therapy | No Intervention | standard therapy | |
| exerciser and standard therapy | Experimental | exerciser and standard therapy |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| pharyngeal exerciser + standard therapy | Device | Use of Pharyngeal exerciser |
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| Measure | Description | Time Frame |
|---|---|---|
| Determine the number of adverse events associated with EPE | The aim is to determine whether there are any risks associated with the use of the EPE. There are no known risks to placing external pressure to the larynx. However, there is the possibility that the participant may experience discomfort such as rash or may not be able to tolerate the minimal pressure associated with the exerciser. The participant will be evaluated every two weeks by the study physician and reports of adverse events will be recorded. If the participant experiences difficulty in tolerating the minimal pressure, the study will be stopped. | 1 year |
| Determine efficacy as assessed by validated pharyngeal dysphagia questionnaire EAT-10 | Subjective evaluation of participant response to an External Pharyngeal Exerciser with a validated pharyngeal dysphagia questionnaire (EAT-10) administered as standard of care before and after therapy (scores 1-10, with higher scores mean worse outcome). | 1 year |
| Determine efficacy: effect of EPE on swallowing via effects on pyriform sinus and vallecular residue height and width | To objectively define pharyngeal response to External Pharyngeal Exerciser with Modified Barium swallow before and after therapy: To determine if application of pharyngeal exerciser changes swallowing as evidenced by reduction in height and width of pyriform sinus and vallecular residue using fluoroscopy study. | 1 year |
| Determine efficacy: effect of EPE on swallowing via effects on routinely measured markers of deglutition (penetration-aspiration scale, larynx and hyoid anterior/superior excursion; UES diameter, and pharyngeal transit time) | To objectively define pharyngeal response to External Pharyngeal Exerciser with Modified Barium swallow before and after therapy: To determine if application of pharyngeal exerciser changes deglutition as noticed by 1) change in aspiration and penetration measured by Rosenbek's penetration-aspiration scale; 2) change in anterior and superior excursion of larynx and hyoid; 3) change in AP and Lateral diameter of UES; 4) change in pharyngeal transit time. |
| Measure | Description | Time Frame |
|---|---|---|
| Physiologic change in swallow performance identified on routine Modified barium swallow | Physiologic changes in swallow performance: oral-motor strength, vocal cord adduction with various food consistencies, presence of penetration/aspiration, length of anterior and superior excursion of larynx, pharyngeal transit time, presence and width of vallecular/piriform residue. Poor anterior or superior excursion of larynx, diminished AP and lateral diameter of UES, presence of residue, penetration/aspiration suggests pharyngeal dysphagia. These measurements will be combined/aggregated to arrive at one reported value. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Associate Professor of Medicine | Contact | 3234422084 | ashaker@usc.edu | |
| Anisa Associate Professor of Medicine | Contact | 3234422084 | ashaker@usc.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Anisa Shaker | Recruiting | Los Angeles | California | 90089-1016 | United States |
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| ID | Term |
|---|---|
| D003680 | Deglutition Disorders |
| ID | Term |
|---|---|
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D010608 | Pharyngeal Diseases |
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| 1 year |
| 1 year |
| D010038 | Otorhinolaryngologic Diseases |