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Obstet Gynecol. 2010 Sep;116(3):583-93. doi: 10.1097/AOG.0b013e3181e9e0ab.

Oral desipramine and topical lidocaine for vulvodynia: a randomized controlled trial.

Author information

1
Departments of Obstetrics and Gynecology, Biostatistics, Anesthesiology and Neurology, and Psychiatry, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA. david_foster@urmc.rochester.edu

Abstract

OBJECTIVE:

To estimate the efficacy of common treatments for vulvodynia: topical lidocaine monotherapy, oral desipramine monotherapy, and lidocaine-desipramine combined therapy.

METHODS:

A 12-week randomized, double-blinded, placebo-controlled trial was conducted on 133 vulvodynia-afflicted women assigned to four treatment arms: placebo tablets-placebo cream, desipramine tablets-placebo cream, placebo tablets-lidocaine cream, and desipramine tablets-lidocaine cream. The tampon test was selected as primary end point using a modified intention-to-treat analysis. Twelve secondary end points were also examined. At completion of the 12-week randomized phase, women were examined "open label" through 52 weeks postrandomization.

RESULTS:

All treatment arms reported substantial tampon-test pain reduction: 33% reduction placebo cream-placebo tablet, 20% reduction lidocaine cream-placebo tablet, 24% reduction placebo cream-desipramine tablet, and 36% reduction lidocaine cream-desipramine tablet. Compared with placebo, we found no significant difference in tampon-test pain reduction with desipramine (t=0.90; P=.37) or lidocaine (t=1.27; P=.21). Of the remaining 12 outcome measures, only the Index of Sexual Satisfaction, improved with desipramine compared with placebo (t=-2.81; P=.006). During the open-label phase, women undergoing vestibulectomy surgery reported significantly improved pain as measured by cotton swab test and the McGill Pain Scale compared with nonsurgical alternatives.

CONCLUSION:

Oral desipramine and topical lidocaine, as monotherapy or in combination, failed to reduce vulvodynia pain more than placebo. Placebo or placebo-independent effects are behind the substantial pain improvement seen in all treatment allocations.

CLINICAL TRIAL REGISTRATION:

ClinicalTrials.gov, www.clinicaltrials.gov, NCT00276068.

LEVEL OF EVIDENCE:

I.

PMID:
20733439
DOI:
10.1097/AOG.0b013e3181e9e0ab
[Indexed for MEDLINE]

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