A Controlled Clinical Trial

Low Level Laser Therapy in Treatment of Diabetic Foot Ulcers: Double Blind Controlled Clinical Trial

Effects of Danazol on Clinical Improvement of Patients with Human T-cell Lymphotropic Virus Type I Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP ): A Placebo-Controlled Clinical Trial

Methoxsalen bath in the treatment of palmoplantar Eczema: A double-blind, placebo controlled clinical trial

Background: Palmoplantar eczema is a common clinical problem involving 2% of the population. There are many treatment modalities for palmoplantar eczema, each with specific local and systemic side effects. Objective: To evaluate methoxsalen bath in the treatment of palmoplantar eczema. Patients and Methods: In a randomized, double-blind, placebo controlled clinical trial, 60 patients with palmo...

Letter to editor: the critical appraisal of “efficacy of licorice extract in the treatment of melasma: a randomized, double-blind, lacebo-controlled clinical trial”

This is a letter to editor criticizing the paper entitled “Efficacy of licorice extract in the treatment of melasma: A randomized, double-blind, placebo-controlled clinical trial”. We discuss some methodological points on external and internal validity of results. The paper suffers from lack of detailed information on sample size and power calculation to make sure generalisability of results to...

Comparison of the Effect of Cognitive Rehabilitation and Neurofeedback on Sustained Attention Among Elementary School Students With Specific Learning Disorder: A Preliminary Randomized Controlled Clinical Trial

Introduction: Sustained Attention (SA) failure is one of the main characteristics of Specific Learning Disorders (SLD). Recent studies have reported a positive effect of Cognitive Rehabilitation (CR) and Neurofeedback (NFB) on SA in SLD. Thus, the effectiveness of CR and NFB is well understood. This preliminary study aimed to compare the effects of CR and NFB on SA among the elementary school s...

Assessment of an anti-cellulite cream: A randomized, double-blind, placebo controlled, right-left comparison, clinical trial

Background: Cellulite is a common disease whose exact mechanism is unknown. This study was aimed to assess the safety and efficacy of an anti-cellulite preparation compared with placebo in a randomized double-blind, right-left comparison clinical trial.Methods: Twelve healthy women aged 22 to 58 years with mild to moderate cellulite on their thighs and buttocks participated in this trial. The a...