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Effects of Pregabalin in Primary Burning Mouth Syndrome Patients Unresponsive to Topical Clonazepam Treatment: A Retrospective Pilot Study

  • Heo, Jun-Young (Department of Oral Medicine, Pusan National University Dental Hospital, Dental Research Institute) ;
  • Jeon, Jae-Woo (Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute) ;
  • Ok, Soo-Min (Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute) ;
  • Jeong, Sung-Hee (Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute) ;
  • Ahn, Yong-Woo (Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute)
  • Received : 2016.02.15
  • Accepted : 2016.03.09
  • Published : 2016.03.30

Abstract

Purpose: To investigate the efficacy of pregabalin for patients with primary burning mouth syndrome (BMS) who are unresponsive to topical clonazepam therapy. Methods: By searching the clinical electronic records from the Department of Oral Medicine, Pusan National University Dental Hospital from 2012 to 2014, a retrospective analysis was performed on patients with primary BMS who were treated with topical clonazepam therapy during this period. Of the patients who were unresponsive to this therapy, 19 patients who were subsequently treated with pregabalin were included in the study. A pain assessment was performed using the 11-point numerical rating scale at first visit, following topical clonazepam therapy, and again after pregabalin therapy. The treatment outcomes were statistically analyzed using the Wilcoxon signed rank test. Results: Following additional pregabalin administration, the mean pain score was slightly reduced. A total of 7 patients reported a marked response (>50% pain reduction), and 3 patients reported a slight reduction in pain. Pain reduction following pregabalin therapy was statistically significant (p<0.05). Conclusions: Pregabalin has a slight therapeutic effect on patients with primary BMS. Therefore, we recommend pregabalin as an alternative drug for BMS patients who are unresponsive to topical clonazepam therapy.

Acknowledgement

Supported by : Pusan National University Dental Hospital

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