Selection of Clinical Trials

An Introduction to the Field Trials Methodology

  The knowledge related to the methodology of the field trial study as a type of intervention studies, yet for many of our researchers is not fully understood. The aim of the current study was a better understanding of conducting this type of research. Field trial studies are done on healthy individuals and aim to prevent. These types of studies such as clinical trials are performed on both i...

تصادفی سازی در مطالعات کارآزمایی بالینی: از تئوری تا عمل

Background & Aim: Randomized clinical trials (RCTs) are studies which are able to provide the most valid evidence to compare various interventions in health research. Biases can affect the quality of research and ultimately make the results of a study invalid. One of the most important biases is selection bias. The best way to reduce selection bias is the use of random allocation. The aim of th...

Selection of a check cultivar for wheat variety trials in isfahan

Effect of Medicinal plant of roses on sexual dysfunction of female and male subjects: A systematic review of clinical trials

Background & Aim: Sexual dysfunction is the most common psychiatric disorder in the general population. The high cost and side effects of present treatments have prompted researchers to search for other therapeutic options. The aim of this study was to evaluate and summarize the results of trials on the effects of roses on sexual dysfunction through a systematic review. Methods: In this study,...

P-46: The Effect of Oral Antioxidants on Male Infertility

Background: The use of antioxidants in treatment of infertile men has been suggested, although the evidence base for this practice is unclear. A systematic review of randomized studies was conducted to evaluate the effects of oral antioxidants (vitamins C and E, zinc, selenium, folate, carnitine and carotenoids) on sperm quality and pregnancy rate in infertile men. Materials and Methods: MEDLIN...

Recent Trends in the Management of Pulmonary Hypertension

Context. Pulmonary hypertension is a common clinical problem encountered in day-to-day practice. Drug therapy forms the backbone of management and appropriate drug selection is based upon the underlying causes. The options available are widening with availability of newer therapeutic agents and thus it becomes necessary to be updated with the recent developments. Objective. To review the existi...