With two vaccines approved for restricted use, can placebos be used in trials?
In both these cases, the SEC allowed the vaccine manufacturers to use a placebo in the control arm even as two vaccines — Covishield and Covaxin — have been granted…
A Science and Technology Blog
In both these cases, the SEC allowed the vaccine manufacturers to use a placebo in the control arm even as two vaccines — Covishield and Covaxin — have been granted…
Offering the vaccine right away to those in the placebo group will first require unblinding the study. Unblinding the study and offering the vaccine to the placebo group will make it almost impossible to gather further information on vaccine efficacy, thus making full licensure challenging.
Published in The Hindu on March 16, 2011 Are placebos inert substances with no real therapeutic effect? Placebos go back to the origins of medicine as a science and as…