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Nasal Dilator Therapy for Patulous Eustachian Tube Dysfunction

Sponsor: The Methodist Hospital Research Institute • ClinicalTrials.gov ID: NCT07796139

Registry updated: 2026-08-31

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Description

The Eustachian tube connects the middle ear to the back of the nose and throat, providing ventilation of the middle ear. People with a patulous Eustachian tube perceive the tube stays open continuously. This can make a person's own voice and breathing sound unusually loud in the ear and can cause a feeling of fullness or blocked hearing. There is currently no agreed-upon first treatment for these symptoms. Some people with this condition notice their symptoms improve when they gently pull the cheek outward to widen the nasal passage. A nasal dilator is a small, soft device worn just inside the nostrils that does something similar by holding the nasal passage more open. Nasal dilators are sold over the counter and are commonly used for stuffy nose and snoring. They have not been studied as a treatment for patulous Eustachian tube. This study will look at whether wearing a nasal dilator reduces symptoms in adults with patulous Eustachian tube. About 50 adults treated at Houston Methodist will take part. Everyone in the study receives the nasal dilator; there is no placebo or comparison group. Participants complete a 10-question symptom survey before using the device, again 10 minutes after putting it in for the first time, and once more at a follow-up clinic visit about 3 to 4 weeks later. Between visits, participants wear the device at home and keep track of how often they use it. At the follow-up visit they also answer questions about whether the device was comfortable and easy to use, and whether they had any side effects. Participation lasts about 3 to 4 weeks.

Interventions

Internal nasal dilator (Device)
Single-patient-use, over-the-counter internal nasal dilator worn inside the nasal vestibule to laterally support the nasal valve and increase nasal cross-sectional area. Devices are supplied in sealed retail packaging without modification. Participants wear the device per the prescribed schedule from the baseline visit until the follow-up visit at 3 to 4 weeks.

Eligibility criteria

Inclusion Criteria: * Adults aged 18 years or older * Treated by a clinician in the Houston Methodist Department of Otolaryngology - Head and Neck Surgery * Positive response to the Cottle maneuver * Able and willing to provide informed consent * Able to complete study surveys * Willing to avoid starting new therapies directed at patulous Eustachian tube during the study window unless medically necessary Exclusion Criteria: * Active middle-ear disease at screening * Significant nasal pathology precluding safe use of a nasal dilator * Known intolerance or hypersensitivity to nasal dilators * Any condition judged by the investigator to increase risk or confound assessments * Unable to provide informed consent * Cognitive impairment preventing completion of study surveys * Non-English speaking, as the PHI-10 and study materials are currently available only in English * Pregnant * Prisoner

Conditions

Patulous Eustachian Tube Dysfunction Eustachian Tube Dysfunction

Locations

Houston Methodist Hospital - Department of Otolaryngology-Head & Neck Surgery — Houston, Texas, United States

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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