примеры использования
In the first phase, more patients are randomised to placebo than to active treatment.
This requirement may conflict with the Declaration of Helsinki, which deems it unethical to give patients a placebo if an evidence based treatment is available.
The revised declaration also calls for new treatments to be tested against the current best treatment rather than placebo .
They found a significant improvement of symptoms compared to patients taking a placebo .
One method would be to test the current dosing regimen against shorter, delayed, or less potent regimens rather than placebo .
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