Corneal confocal microscopy detects early nerve regeneration after pharmacological and surgical interventions: Systematic review and meta-analysis.
Level 2 - randomized trial
Systematic review and meta-analysis combining both randomized and non-randomized intervention studies.
PubMed 38887985 · doi:10.1111/jns.12641
What was done
A systematic review and meta-analysis was conducted across EMBASE, PubMed, CENTRAL, and Web of Science. The authors included 18 randomized and non-randomized studies (comprising 958 patients with peripheral neuropathy) to evaluate whether corneal confocal microscopy (CCM) can detect corneal nerve regeneration following pharmacological and surgical treatments. Data were synthesized using RevMan Web.
What was found
The abstract reports that CCM identified increases in corneal nerve parameters at early time points (1–8 months) and longer-term follow-up (1–5 years) after pharmacological and surgical interventions. Specific quantitative effect sizes, pooled mean differences, confidence intervals, and statistical heterogeneity metrics were not provided in the abstract.
Why it matters
CCM may serve as a rapid, non-invasive surrogate biomarker to detect early peripheral nerve regeneration and assess treatment efficacy in clinical trials of disease-modifying therapies.
Limits
The abstract does not disclose pooled numerical estimates, confidence intervals, or heterogeneity statistics. The synthesis combines heterogeneous interventions (pharmacological and surgical) and includes non-randomized study designs without detailing the specific etiologies of peripheral neuropathy examined.
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- supports Corneal confocal microscopy can be used to image sensory nerves live and in real time in humans or animals to measure nerve degeneration and regeneration.