Current medications have limited efficacy in controlling the symptoms of major depressive disorder (MDD), and are associated with several adverse events on long-term use. Curcuminoids are extremely safe and multifunctional phytopharmaceuticals that have been shown to alleviate depressive symptoms in a variety of experimental models. The present study aimed to investigate the efficacy of curcuminoids as an add-on to standard antidepressants in patients with MDD. One hundred and eleven subjects were assigned to standard antidepressive therapy plus curcuminoids-piperine combination (1000-10 mg/day; n=61) or standard antidepressive therapy alone (n=50) for a period of 6 weeks. Efficacy measures were changes in the psychological status on the basis of the Hospital Anxiety and Depression Scale (HADS) and Beck Depression Inventory II (BDI-II). The BDI-II and HADS total and subscale scores were reduced by the end of trial in both study groups. There were significantly greater reductions in total HADS score and subscales of anxiety and depression in the curcuminoids versus control group (p<0.001). Likewise, reductions in BDI-II total score and scores of somatic and cognitive subscales were found to be greater in the curcuminoids compared with control group (p<0.001). Co-administration of curcuminoids with piperine may be used as a safe and effective add-on to standard antidepressants in patients with MDD.
Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease worldwide and is potentially treatable, though there are few therapeutic agents available. Artichoke leaf extract (ALE) has shown potential as a hepatoprotective agent. This study sought to determine if ALE had therapeutic utility in patients with established NAFLD. In this randomized double-blind placebo-controlled parallel-group trial, 100 subjects with ultrasound-diagnosed NAFLD were randomized to either ALE 600 mg daily or placebo for a 2-month period. NAFLD response was assessed by liver ultrasound and serological markers including the aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio and AST to platelet ratio index (APRI) score. Ninety patients completed the study (49 ALE and 41 placebo) with no side effects reported. ALE treatment compared with placebo: Doppler sonography showed increased hepatic vein flow (p < .001), reduced portal vein diameter (p < .001) and liver size (p < .001), reduction in serum ALT (p < .001) and AST (p < .001) levels, improvement in AST/ALT ratio and APRI scores (p < .01), and reduction in total bilirubin. ALE supplementation reduced total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, non-high-density lipoprotein cholesterol, and triglyceride concentrations (p = .01). This study has shown beneficial effects of ALE supplementation on both ultrasound liver parameters and liver serum parameters (ALT, AST, APRI ratio, and total bilirubin) in patients with NAFLD.
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