Effect of treatment of chronic hepatitis c virus patients with direct-acting anti-retroviral drugs on semen and hormonal parameters.

Objective: Hepatitis C virus (HCV) infection is known to influence the seminal and hormonal parameters of infected men. This study was performed to assess the effects of HCV clearance using direct-acting antiviral (DAA) agents on semen and hormonal parameters.

Methods: A total of 50 patients with chronic HCV were enrolled, and conventional semen analysis was performed according to World Health Organization guidelines.

The impact of active vitamin D administration on the clinical outcomes of acne vulgaris.

Acne vulgaris is one of the most common chronic inflammatory skin disorder affecting millions of people worldwide. Vitamin D deficiency has a role in various inflammatory skin diseases as acne. This study aimed to investigate the serum level of 25 hydroxy vitamin D in acne patients and to assess the efficacy and safety of active vitamin D in management of acne.

Dose-response association between vitamin D deficiency and atopic dermatitis in children, and effect modification by gender: a case-control study.

Background: Vitamin D is a regulatory factor for immunity and skin barrier functions. It is hypothesized to be linked to atopic dermatitis (AD) which is characterized by interaction between epidermal barrier dysfunction and dysregulation of skin immune functions.

Methods: One hundred AD patients and one hundred and one normal controls were collected from outpatient clinic based on their clinical condition, both had measurement of 25-hydroxyvitamin D [25(OH)D].