Eligibility criteria
Condition
Postherpetic Neuralgia
Sex
Females and Males
Age
18 + years
Inclusion criteria
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- Subjects must have pain present for more than 3 months after the healing of the herpes
zoster skin rash.
- At screening (V1) and baseline (V2), subjects must have a score of >=4 on the Numeric
Rating Scale for Pain (1 week recall period).
- At baseline (V2), at least 4 pain diaries must be completed satisfactorily within the
last 7 days and the average pain score must be >=4.
Exclusion criteria
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- Subjects having other severe pain that may confound assessment or self evaluation of
the pain due to PHN.
- Neurolytic or neurosurgical therapy for Postherpetic Neuralgia
- Skin conditions in the affected dermatome that could alter sensation.