Authors’ Reply to “The Challenges of Studying Peripheral Vestibular Vertigo”
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We are grateful to Dr. Naples  for his constructive feedback on our article in Clinical Drug Investigation , and would like to take this opportunity to address the points raised regarding the particular challenges of studying peripheral vestibular vertigo.
In general, clinical studies on patients with vertigo, whether predominantly of peripheral or central origin, are indeed challenging for a number of reasons. Vertigo is not a disease entity, but a complex set of numerous single symptoms, each subjectively experienced and reported by individual patients. Furthermore, regarding the terminology of vestibular symptoms, there are still different perceptions among experts dealing with vertigo (e.g., otolaryngologists, neurologists) and between countries or geographic regions. Only in 2009, the Committee for Classification of Vestibular Disorders of the Bárány Society published a consensus document in a first attempt to define, harmonize, and classify key vestibular...
Compliance with Ethical Standards
No funding was received to prepare this letter.
Conflict of interest
Arne W. Scholtz has no conflicts of interest to declare. Gerhard Weisshaar is an employee of Hennig Arzneimittel.
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