Evidence-based urology: how does a randomized clinical trial achieve its designed goals?

The Effect of Varicocelectomy on Assisted Reproductive Technique Indications and Outcomes based on Kruger Strict Morphology Test: a Randomized Clinical Trial

Background: A significant percent of infertile varicocele patients remained infertile after varicocelectomy and finally most of them refer for assisted reproductive technique (ART) procedures as intra uterine insemination (IUI), in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI). In order to achieve the best results, more strict and accurate standards for ...

Effect of Self-Care Education Designed Based on Bandura’s Self-efficacy Model on Patients with Hypertension: A Randomized Clinical Trial

Background: Self-care in patients with hypertension can be improved through education and implementation of learning theories. Aim: The present study aimed to determine the effect of educating self-care in patients with hypertension through the implementation of Bandura’s self-efficacy model. Method: A randomized controlled clinical...

Cognitive orientation to daily occupational performance (CO-OP): part II--the evidence.

CO-OP is a child-centred, cognitive based intervention, focused on enabling children to achieve their functional goals. It has been developed over the last nine years through a series of systematic studies that have specified the treatment protocol and evaluated its effect. Initially CO-OP was explored in two series of single case experimental studies. Subsequently, an informal follow-up study ...

Does Adding Dexamethasone to Clomiphene Citrate Improve Ovulation in PCOS Patients? A Triple - Blind Randomized Clinical Trial Study

The design and methodology of premature ejaculation interventional studies

Large well-designed clinical efficacy and safety randomized clinical trials (RCTs) are required to achieve regulatory approval of new drug treatments. The objective of this article is to make recommendations for the criteria for defining and selecting the clinical trial study population, design and efficacy outcomes measures which comprise ideal premature ejaculation (PE) interventional trial m...