background:  the primary aim of this study was to determine predictors of missed research appointments in a prospective  andomized placebo injection-controlled trial with evaluations 1 to 3 and 5 to 8 months after enrollment.   methods:  this study represents a secondary use of data from 104 patients that were enrolled in a prospective randomized  ontrolled trial of dexamethasone versus lidocai...

Background: To ascertain whether using ultrasound guidance during intrauterine insemination (IUI) could increase pregnancy rates. Materials and Methods: The population under study consisted of 73 consecutive couples subjected to IUI in our Human Reproduction Unit, between September and December 2006, with a total of 231 IUI cycles performed. The patients were randomized using a computer-generat...

Comparison of the Therapeutic Effects Melatonin, Metformin and Vitamin E on Non-Alcoholic Fatty Liver Disease: A Randomized Clinical Trial

this randomized clinical trial aimed to assess the efficacy of phlebotomy on improvement of hearing loss. 71 patients with sudden sensorineural hearing loss were enrolled in this randomized clinical trial study. they were divided into two groups: group a received steroid and hydration therapy plus phlebotomy, while group b received the same regimen without phlebotomy. they were matched accordin...

OBJECTIVES To test the effect of adenoidectomy in connection with tympanostomy compared with tympanostomy only in preventing otitis media in children younger than 2 years. DESIGN Prospective trial with randomized and nonrandomized arms. SETTING Primary care study clinics. PARTICIPANTS AND INTERVENTIONS The study participants were selected from 2497 children who had been enrolled in the Fi...

Effectiveness of Mindfulness-Integrated Cognitive Behavioural Therapy (MiCBT) on Body Image and Emotional Regulation in Mastectomy Patients: A Randomized Clinical Trial