Pregabalin bests gabapentin for improving pain and sleep in patients with post herpetic neuralgia
According to a new study pregabalin was found to be more efficacious than gabapentin for reducing pain and sleep disturbance among patients with post herpetic neuralgia.
However high-quality RCTs are needed to confirm the advantages of pregabalin over gabapentin in the treatment of PHN and guide clinical decision-making suggests the study published in the Pain Therapy.
A study was conducted to systematically evaluate the clinical efficacy of pregabalin and gabapentin in the treatment of postherpetic neuralgia (PHN), including the difference in pain control and occurrence of adverse reactions.
PubMed, MEDLINE, EMBASE, Cochrane Library, and Web of Science databases were searched for randomized controlled trials (RCTs) comparing the efficacy of pregabalin and gabapentin in patients with PHN. Data from studies meeting the inclusion criteria were extracted and the Cochrane Risk of Bias risk assessment tool was used to evaluate the quality of the included studies. Revman 5.3 and Stata17 were used to perform the meta-analysis and to detect publication bias.
A total of 14 RCTs with 3545 patients were included in this study, including 926 in the pregabalin treatment group, 1256 in the gabapentin treatment group, and 1363 in the placebo control group.
Pregabalin was better than gabapentin in alleviating pain and improving the global perception of change in pain and sleep (P < 0.05).
Gabapentin was associated with a lower incidence of adverse events than pregabalin (P < 0.05).
Funnel plot and Begg's and Egger's tests showed no significant publication bias.
Pregabalin appears to have a better overall therapeutic effect than gabapentin for patients with PHN, but gabapentin has a lower incidence of adverse reactions and a better safety profile. Clinicians should comprehensively consider patient factors and fully evaluate the advantages and disadvantages of each treatment option to select the most suitable drugs for patient use. Considering the limited quantity and quality of the existing literature, high-quality RCTs are needed to confirm the advantages of pregabalin over gabapentin in the treatment of PHN and guide clinical decision-making.
Reference:
Cao X, Shen Z, Wang X, Zhao J, Liu W, Jiang G. A Meta-analysis of Randomized Controlled Trials Comparing the Efficacy and Safety of Pregabalin and Gabapentin in the Treatment of Postherpetic Neuralgia. Pain Ther. 2022 Nov 5. doi: 10.1007/s40122-022-00451-4. Epub ahead of print. PMID: 36334235
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