- Conditions
- Contact Ulcer of Vocal Folds, Granuloma of Vocal Cords, Granuloma, Laryngeal, Granuloma
- Interventions
- onabotulinumtoxinA, omeprazole (proton pump inhibitor)
- Drug
- Lead sponsor
- Phillip Song, MD
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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