Title

Efficacy and Safety of CNV2197944 Versus Placebo in Patients With Post-herpetic Neuralgia
A Randomised Double-blind Crossover Study to Compare the Efficacy and Safety of CNV2197944 75 mg Tid Versus Placebo in Patients With Post-herpetic Neuralgia
  • Phase

    Phase 2
  • Study Type

    Interventional
  • Status

    Completed No Results Posted
  • Intervention/Treatment

    cnv-2197944 ...
  • Study Participants

    103
To investigate the effect of repeat oral dosing of CNV2197944 75 mg tid on the pain experienced in post-herpetic neuralgia (PHN) as measured by changes in PI-NRS after three weeks of treatment compared to the baseline period.
A 3 week randomised crossover study to investigate the effect of repeat oral dosing of CNV2197944 75 mg tid versus placebo for on the pain experienced in post-herpetic neuralgia (PHN. Each 3 week treatment period is seperated by a 2 week washout period. The primary outcome measure is the change from baseline in the PI-NRS after three weeks of treatment. Secondary outcome measures include pain responder rates, clinical and patient global impressions of pain, and the Neuropathic Pain Symptom Inventory.
Study Started
Apr 30
2013
Primary Completion
Feb 28
2014
Study Completion
May 31
2014
Last Update
Oct 30
2014
Estimate

Drug CNV2197944

Drug Placebo

CNV2197944 Experimental

CNV2197944 75mg tid 21 days

Placebo Placebo Comparator

Placebo tid 21 days

Criteria

Inclusion Criteria:

Male or female between 18 and 85 years of age inclusive, at the time of signing the informed consent.

Patients with post-herpetic neuralgia (PHN) with pain at screening present for more than 3 months after healing of the herpes zoster skin rash. The maximum duration of PHN will be no longer than 5 years.

Exclusion Criteria:

Patients having other severe pain, which may impair the self-assessment of the pain due to PHN.

Patients who have received nerve blocks for neuropathic pain within 4 weeks prior to the start of the single-blind placebo run-in Certain medications used to relieve the pain of PHN, specifically gabapentinoids (gabapentin and pregabalin), carbamazepine and topical agents (eg capsaicin, lidocaine) Patients with a documented failure to respond to a maximally tolerated dose regimen of gabapentin or pregabalin.

Patients taking more than one medication to treat the PHN pain
No Results Posted