نتایج جستجو برای: placebo effect

تعداد نتایج: 1684698  

Journal: :iranian journal of nursing and midwifery research 0
soheila ehsanpour kobra salehi behzad zolfaghari soheila bakhtiari

background : due to symptoms and its complications, menopause influences the mental, psychological and physical health, social performance and familial relationships. because of the undesirable side effects of hormone replacement therapy, tendency and desire toward alternative treatments in relieving menopausal symptoms have increased. among the alternative therapies are herbs and among those, ...

Journal: :iranian red crescent medical journal 0
rasoul zarrin food and beverages safety research center, urmia university of medical sciences, urmia, ir iran parvin ayremlou food and beverages safety research center, urmia university of medical sciences, urmia, ir iran farzaneh ghassemi department of nutrition, school of medicine, urmia university of medical sciences, urmia, ir iran; department of nutrition, school of medicine, urmia university of medical sciences, urmia, ir iran

conclusions the study demonstrated that 1000 iu vitamin d supplementation for 3 months can decrease the insulin resistance in individuals with prediabetes; however, it has no significant effect on body fat mass percentage. background low serum levels of vitamin d are supposed to contribute to the incidence of diabetes; therefore, vitamin d supplementation may reduce the incidence of diabetes in...

Journal: :medical journal of islamic republic of iran 0
poopak izadi shahed university, tehran, iranسازمان اصلی تایید شده: دانشگاه شاهد (shahed university) mohammad-ebrahim yarmohammadi shahed university, tehran, iranسازمان اصلی تایید شده: دانشگاه شاهد (shahed university) nahid kholdi shahed university, tehran, iranسازمان اصلی تایید شده: دانشگاه شاهد (shahed university) babak izadi kermanshah university, kermanshah, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences) sasan anari morteza sedehi shahed university, tehran, iranسازمان اصلی تایید شده: دانشگاه شاهد (shahed university)

abstract   objective: to determine the effect of oral zinc sulfate supplementation given with coamoxiclav when compared with coamoxiclav alone for treatment of otitis media with effusion (ome). the efficacy of the drug was assessed 3 and 6 weeks after administration .   methods: in a double-blind, randomized trial 4 to 14 years old children with ome who referred to ear, nose and throat clinic, ...

Journal: :The International Journal of Biostatistics 2009

ژورنال: دانشور پزشکی 2010
سلطانیان, علیرضا , فقیه‌زاده, سقراط , مهدی‌برزی, داریوش , چنگ, جینگ , گرامی, عباس ,

  Background and Objective: A one of the most power on assesses treatment effect is doubled-blind clinical trial. Therefore, deviation of protocol would impede the results in clinical trial. In practice (especially in studies which intervention is drug medication) is non-compliance. Researchers use intention-to-treat analysis for estimation of treatment effects in clinical trials with non-compl...

Journal: :Canadian journal of psychiatry. Revue canadienne de psychiatrie 1996
R Joffe S Sokolov D Streiner

OBJECTIVE To carry out a metaanalysis of antidepressant studies to calculate the effect sizes for antidepressant effect in depressive disorder. METHOD A metaanalysis of all antidepressant studies that included an active comparison drug as well as placebo was used to calculate the effect size. Articles were selected from a MEDLINE search for the period January 1966 to June 1995. Forty-nine stu...

2017
Karin B. Jensen Irving Kirsch Moa Pontén Annelie Rosén Kathy Yang Randy L. Gollub Vincent des Portes Ted J. Kaptchuk Aurore Curie

OBJECTIVE To determine the placebo component of treatment responses in patients with intellectual disability (ID). METHODS A statistical meta-analysis comparing bias-corrected effect sizes (Hedges g) of drug responses in open-label vs placebo-controlled clinical trials was performed, as these trial types represent different certainty of receiving genuine treatment (100% vs 50%). Studies in fr...

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