Rationale to continue approving placebo-controlled COVID-19 vaccine trials in LMICs
نویسندگان
چکیده
منابع مشابه
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Patients receiving placebo do not merely receive an inert substance but also receive support, concern, and reassurance that assists the therapeutic alliance and encourages the positive attitude that forms the basis of cognitive treatment. Response to non-specific factors is seen in all fields of medicine but is particularly potent in psychiatry. The placebo response is variable across settings ...
متن کاملPlacebo controlled trials.
Researchers assessed the efficacy of varenicline (a licensed cigarette smoking cessation aid) in helping users of smokeless tobacco to quit. A double blind placebo controlled parallel group randomised controlled trial study design was used. The intervention was varenicline 1 mg twice daily. Treatment was delivered for 12 weeks, with 14 weeks’ follow-up afterwards. Participants were aged 18 year...
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ژورنال
عنوان ژورنال: The Lancet
سال: 2021
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(21)00357-3