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In two double-blind, placebo-controlled trials, 1516 patients were treated with Denavir (penciclovir cream) and 1541 with placebo. The most frequently reported adverse event was headache, which occurred in 5.3% of the patients treated with Denavir (penciclovir) and 5.8% of the placebo-treated patients. The rates of reported local adverse reactions are shown in Table 2 below. One or more local adverse reactions were reported by 2.7% of the patients treated with Denavir (penciclovir) and 3.9% of placebo-treated patients.
Table 2--Local Adverse Reactions Reported in Phase III Trials
|Application site reaction||1.3||1.8|
Two studies, enrolling 108 healthy subjects, were conducted to evaluate the dermal tolerance of 5% penciclovir cream (a 5-fold higher concentration than the commercial formulation) compared to vehicle using repeated occluded patch testing methodology. The 5% penciclovir cream induced mild erythema in approximately one-half of the subjects exposed, an irritancy profile similar to the vehicle control in terms of severity and proportion of subjects with a response. No evidence of sensitization was observed.
The following events have been identified from worldwide post-marketing use of Denavir (penciclovir) in treatment of recurrent herpes labialis (cold sores) in adults. These events have been chosen for inclusion due to a combination of their seriousness, frequency of reporting, or potential causal connection to Denavir (penciclovir) cream.
General: Headache, oral/pharyngeal edema, parosmia.
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No information provided.
Last reviewed on RxList: 12/9/2008
This monograph has been modified to include the generic and brand name in many instances.
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