نتایج جستجو برای: placebos
تعداد نتایج: 1046 فیلتر نتایج به سال:
BACKGROUND Interventions that reduce exposure to malaria infection may lead to delayed malaria morbidity and mortality. We investigated whether intermittent preventive treatment of malaria in children (IPTc) was associated with an increase in the incidence of malaria after cessation of the intervention. METHODS An individually randomised, trial of IPTc, comparing three courses of sulphadoxine...
Ninety-five healthy adults, ages 18 to 56 years, received two intranasal doses, 2 weeks apart, of a live, attenuated, influenza type A (H3N2) vaccine (an inhibitor-resistant recombinant strain of A/England/42/72 named "Alice"). Ninety-two persons were given placebos similarly. Ninety-three percent of 68 subjects with initial serum hemagglutination-inhibition (HI) titers of greater than or equal...
In a double blind test, 44 patients being treated for chronic alcoholism were divided into two random groups and given CernitolTM, a pollen preparation, or placebos, respectively. The study revealed considerable differences between the groups for the following variables and in favour of the group undergoing treatment: overall result according to the doctor, body weight, appetite, asthenia, psyc...
BACKGROUND The use of placebo interventions outside clinical trials is ethically, professionally and legally controversial. Little is known about the frequency and circumstances of placebo use in clinical practice. Our aim was to summarize the available empirical studies addressing these issues. METHODS We searched PubMed and EMBASE from inception to July 2009 in order to identify cross-secti...
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