Clinical trial: a nutritional supplement Viusid, in combination with diet and exercise, in patients with nonalcoholic fatty liver disease

Background

Nonalcoholic fatty liver disease (NAFLD) is a significant health problem for which there is no universally accepted pharmacological treatment. The combination of weight loss and antioxidant drugs to ameliorate insulin resistance and improve steatosis, inflammation and fibrosis provides the rational for therapeutic trials.

Aim

To evaluate the efficacy and safety of a nutritional supplement Viusid in association with diet and exercise for NAFLD.

Methods

A randomized, controlled and parallel-group trial was conducted at a tertiary care academic centre (National Institute of Gastroenterology, Havana, Cuba). We randomly assigned 60 patients with liver biopsy-proven NAFLD to 6 months of treatment with a hypocaloric diet plus aerobic exercise daily and three Viusid sachets daily or a hypocaloric diet and exercise. Endpoints were improvement in the NAFLD activity score (NAS), fibrosis and normalization of serum aminotransferase levels.

Results

A significant improvement in steatosis, necroinflammation and fibrosis was seen in each group of treatment (P < 0.01 for each feature). The Viusid group, as compared with the control group, significantly reduced the mean of NAS [from 4.18 to 0.54 points in the Viusid group vs. 4.45 to 2.2 points in the control group (P < 0.001)]. On between-group comparison, Viusid was found to be associated with a significantly greater improvement in steatosis (P < 0.001), ballooning (P = 0.002) and lobular inflammation (P = 0.025), but
not in fibrosis (P = 0.07). Viusid was well tolerated.

Conclusions

Our results indicate that treatment with diet and exercise leads to a notable improvement in the histological features of NAFLD; however, the administration of Viusid intensifies the improvements of histological findings, especially of steatosis and inflammation.

Full details of this clinical study are available in the “Clinical studies” section of the Viusid eLeaflet.

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