A Study of the Effectiveness of Endoscopic Balloon Dilation in Glottic Stenosis and Bilateral Vocal Fold Immobility


About this study

The purpose of this study is to describe past evidence of effectiveness of endoscopic balloon dilation in treating glottic stenosis and bilateral vocal fold immobility since July 2011 at Mayo Clinic, Arizona.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria

  • Males or Females
  • Between ages 18 to 95 years
  • Diagnosed with stenosis or bilateral vocal fold immobility
  • Treated with balloon dilation since July 2011 at Mayo Clinic, Arizona, Department of Otorhinolaryngology

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

David Lott, M.D.

Closed for enrollment

More information


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