Effect of Alpha-lipoic Acid on Regression of Low-grade Squamous Intraepithelial Lesions (LSIL)

Low-grade squamous intraepithelial lesions (LSIL) are premalignant changes on the cervix that can lead to malignant changes, i. e. cervical cancer. Alpha-lipoic acid is a fatty acid that is naturally found in food, and due to its proven antioxidant and anti-inflammatory effects, it is increasingly used as a dietary supplement, most often to alleviate the symptoms of various neuropathic conditions. The purpose of this study was to demonstrate efficiency, safety, and clinical benefit of alpha lipoic acid (ALA) in inducing regression of LSIL. The hypothesis is based on the proven role of oxidative stress and inflammation in formation of LSIL and anti-inflammatory and antioxidative efficiency of ALA. The study was designed as randomized, double-blind, two-arm, placebo-control trial recruiting 100 female patients with diagnosed LSIL. Patients received 600 mg/day of ALA or placebo for 3 months. Progression/regression of LSIL has been defined as primary outcome of the study; inflammation markers and oxidative stress parameters have been defined as secondary outcomes of the study.