introduction: the purpose of this article was to evaluate the quality of sample size calculation reports in published clinical trials in journal of endodontics and international endodontic journal in years 2000-1 and 2009-10. materials and methods: articles fulfilling the inclusion criteria were collected. the criteria were: publication year, research design, types of control group, reporting s...

background: infantile colic, cry-fuss and sleep problems are transient in the initial months of life, but they contribute to maternal depression, parenting stress and family mental health problems. in this randomized clinical trial, we aimed to explore the efficacy of massage therapy compared to rocking in reducing infantile colic symptoms including duration and number of cries, sleep duration ...

background: degenerative joint disease (djd) is the most common joint disease in human beings. previous studies have explained that glucosamine is preferred as placebo and in efficacy compared with nsaid’s in treatment of patients’ knee osteoarthritis. alendronate was used to treat osteoporotic patients and its efficacy was established. objectives: the aim of this study was to compare the effic...

attention-deficit/hyperactivity disorder is one of the most common mental disorders in childhood, and it continues to adulthood without proper treatment. stimulants have been used in the treatment of attention-deficit/hyperactivity disorder (adhd) for many years, and the efficacy of methylphenidate in the treatment of adults with adhd has been proven to be acceptable according to meta-analysis ...

conclusions project management may benefit both the managerial and scientific aspects of medical projects and reduce fund waste. however, little has been written to date on project management in the context of clinical research. the suggestions represent the views of the individual authors. to provide a high level of evidence in this regard, we recommend that a randomized controlled trial be pe...

background: intrauterine insemination (iui) is one of the most appropriate and cost-effective methods in infertility treatment. objective: we aimed to investigate effect of vaginal misoprostol on pregnancy rate after iui. materials and methods: two hundred and ten infertile women who were referred to infertility clinic of alzahra hospital by an indication of iui during 2012-2013 were randomly a...

background: hepatorenal syndrome (hrs) is known as development of acute renal failure in a patient who usually has advanced liver disease. the aim of the present study was to determine the safety and the efficacy of noradrenalin in comparison with midodrine‑octreotide in patients with hrs. methods: this study was registered to the iranian registry of clinical trials (irct). this study was a sin...

background: poor sleep quality (sq) is common among patients after coronary artery bypass graft surgery (cabg). this study attempted to determine the status of sq following an intervention based on the precede-proceed model in patients with poor sq after cabg. methods: this study was a randomized clinical trial. the study sample, including 100 patients referred to the cardiac rehabilitation cli...

background: stem cell therapy is a new treatment option for different diseases. the aim of this systematic review is assessing the articles that focus on sct in iran and evaluate the amount of their success, failure and complication. methods: systematic search was conducted for finding english and persian papers (controlled trials and cohort studies with follow up) published before march 2015. ...