Serial audiometry in a clinical trial of AIED treatment

John K. Niparko, Nae Yuh Wang, Steven D. Rauch, Gregory B. Russell, Mark A. Espeland, June J. Pierce, Stephen P Bowditch, Ann Masuda, A. Julianna Gulya, Bruce J. Gantz, Gordon B. Hughes, Patrick E. Brookhouser, Maureen T. Hannley, Steven A. Telian, Jeffrey P. Harris

Research output: Contribution to journalArticle

Abstract

Objective: We analyzed pure-tone and speech audiometric results from a prospective trial of anti-inflammatory treatment of subjects with active autoimmune inner ear disease (AIED). We sought to characterize the pattern and size of the treatment effect as reflected in clinical audiometry and to identify audiometric predictors of response to steroid treatment of AIED. Subjects: Adult participants demonstrated clinically established criteria for AIED (n = 116). Eligibility required audiometric evidence of active AIED as indicated by idiopathic sensorineural hearing loss with threshold elevations within 3 months of enrollment. Methods: We evaluated audiometric changes after 4 weeks of treatment with pharmacologic doses (60 mg/day) of prednisone. We examined the relationship between audiometric pure-tone thresholds at baseline and changes in word intelligibility score (WIS) using parametric and nonparametric analyses. Magnitudes of change were assessed using independent or paired t-tests. Separate analyses were performed on subgroups that did or did not show improved WIS score with steroid treatment. Results: Overall mean pure-tone averages improved from baseline to closeout of prednisone treatment in better hearing ears from 52.4 to 48.3 dB (p <.0001). Mean WIS improved in the better ear from 71.4% to 78.1% (p <.0001). Of pure-tone measures, only the six-tone average showed significant correlation with both the absolute improvements in WIS and with the percentage change in WIS after treatment. Individual frequencies at baseline showed no significant relationship with changes in WIS score after treatment. In 69 (59.5%) of 116 subjects, WIS improved (range, 2-80%) in the better ear. In these subjects, the baseline pure-tone thresholds and pure-tone averages correlated significantly and positively with improvement in WIS. Conclusions: Steroid treatment in AIED-mediated hearing loss produce variable but significant hearing gains. Neither a focal, cochleotopic region of greatest vulnerability to AIED nor frequency-specific amenability to treatment were evident. We did observe that analysis of predictors and the degree of treatment effect vary with different approaches to measuring change in the WIS. Depending on the approach adopted, the size of the treatment effect may be greatest across intermediate hearing levels at baseline. These observations offer an audiometric database that may enable greater precision in judging clinically meaningful parameters for future studies of AIED treatment and other interventions for sensorineural hearing loss.

Original languageEnglish (US)
Pages (from-to)908-917
Number of pages10
JournalOtology and Neurotology
Volume26
Issue number5
DOIs
StatePublished - Sep 2005
Externally publishedYes

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Labyrinth Diseases
Audiometry
Clinical Trials
Therapeutics
Hearing
Ear
Sensorineural Hearing Loss
Steroids
Prednisone

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Neuroscience(all)

Cite this

Niparko, J. K., Wang, N. Y., Rauch, S. D., Russell, G. B., Espeland, M. A., Pierce, J. J., ... Harris, J. P. (2005). Serial audiometry in a clinical trial of AIED treatment. Otology and Neurotology, 26(5), 908-917. https://doi.org/10.1097/01.mao.0000185081.28598.5c

Serial audiometry in a clinical trial of AIED treatment. / Niparko, John K.; Wang, Nae Yuh; Rauch, Steven D.; Russell, Gregory B.; Espeland, Mark A.; Pierce, June J.; Bowditch, Stephen P; Masuda, Ann; Gulya, A. Julianna; Gantz, Bruce J.; Hughes, Gordon B.; Brookhouser, Patrick E.; Hannley, Maureen T.; Telian, Steven A.; Harris, Jeffrey P.

In: Otology and Neurotology, Vol. 26, No. 5, 09.2005, p. 908-917.

Research output: Contribution to journalArticle

Niparko, JK, Wang, NY, Rauch, SD, Russell, GB, Espeland, MA, Pierce, JJ, Bowditch, SP, Masuda, A, Gulya, AJ, Gantz, BJ, Hughes, GB, Brookhouser, PE, Hannley, MT, Telian, SA & Harris, JP 2005, 'Serial audiometry in a clinical trial of AIED treatment', Otology and Neurotology, vol. 26, no. 5, pp. 908-917. https://doi.org/10.1097/01.mao.0000185081.28598.5c
Niparko JK, Wang NY, Rauch SD, Russell GB, Espeland MA, Pierce JJ et al. Serial audiometry in a clinical trial of AIED treatment. Otology and Neurotology. 2005 Sep;26(5):908-917. https://doi.org/10.1097/01.mao.0000185081.28598.5c
Niparko, John K. ; Wang, Nae Yuh ; Rauch, Steven D. ; Russell, Gregory B. ; Espeland, Mark A. ; Pierce, June J. ; Bowditch, Stephen P ; Masuda, Ann ; Gulya, A. Julianna ; Gantz, Bruce J. ; Hughes, Gordon B. ; Brookhouser, Patrick E. ; Hannley, Maureen T. ; Telian, Steven A. ; Harris, Jeffrey P. / Serial audiometry in a clinical trial of AIED treatment. In: Otology and Neurotology. 2005 ; Vol. 26, No. 5. pp. 908-917.
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AU - Niparko, John K.

AU - Wang, Nae Yuh

AU - Rauch, Steven D.

AU - Russell, Gregory B.

AU - Espeland, Mark A.

AU - Pierce, June J.

AU - Bowditch, Stephen P

AU - Masuda, Ann

AU - Gulya, A. Julianna

AU - Gantz, Bruce J.

AU - Hughes, Gordon B.

AU - Brookhouser, Patrick E.

AU - Hannley, Maureen T.

AU - Telian, Steven A.

AU - Harris, Jeffrey P.

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N2 - Objective: We analyzed pure-tone and speech audiometric results from a prospective trial of anti-inflammatory treatment of subjects with active autoimmune inner ear disease (AIED). We sought to characterize the pattern and size of the treatment effect as reflected in clinical audiometry and to identify audiometric predictors of response to steroid treatment of AIED. Subjects: Adult participants demonstrated clinically established criteria for AIED (n = 116). Eligibility required audiometric evidence of active AIED as indicated by idiopathic sensorineural hearing loss with threshold elevations within 3 months of enrollment. Methods: We evaluated audiometric changes after 4 weeks of treatment with pharmacologic doses (60 mg/day) of prednisone. We examined the relationship between audiometric pure-tone thresholds at baseline and changes in word intelligibility score (WIS) using parametric and nonparametric analyses. Magnitudes of change were assessed using independent or paired t-tests. Separate analyses were performed on subgroups that did or did not show improved WIS score with steroid treatment. Results: Overall mean pure-tone averages improved from baseline to closeout of prednisone treatment in better hearing ears from 52.4 to 48.3 dB (p <.0001). Mean WIS improved in the better ear from 71.4% to 78.1% (p <.0001). Of pure-tone measures, only the six-tone average showed significant correlation with both the absolute improvements in WIS and with the percentage change in WIS after treatment. Individual frequencies at baseline showed no significant relationship with changes in WIS score after treatment. In 69 (59.5%) of 116 subjects, WIS improved (range, 2-80%) in the better ear. In these subjects, the baseline pure-tone thresholds and pure-tone averages correlated significantly and positively with improvement in WIS. Conclusions: Steroid treatment in AIED-mediated hearing loss produce variable but significant hearing gains. Neither a focal, cochleotopic region of greatest vulnerability to AIED nor frequency-specific amenability to treatment were evident. We did observe that analysis of predictors and the degree of treatment effect vary with different approaches to measuring change in the WIS. Depending on the approach adopted, the size of the treatment effect may be greatest across intermediate hearing levels at baseline. These observations offer an audiometric database that may enable greater precision in judging clinically meaningful parameters for future studies of AIED treatment and other interventions for sensorineural hearing loss.

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