All Questions
4 questions
7
votes
2
answers
224
views
Did covid vaccine studies use an active placebo (with side effects)?
I know that the studies done by Pfizer, et al, used standard methods with a placebo control group. If you read about blinded experiments here, it mentions:
A common cause for unblinding is the ...
7
votes
1
answer
417
views
How do pharmaceutical companies deal with people who received a placebo?
I would like to know what happens to the people in the vaccine studies who received a placebo.
Essentially they have not been vaccinated. However, in order for the study to stay blind so that long ...
14
votes
4
answers
9k
views
Why use a placebo in some potential COVID-19 vaccine trials?
With potential COVID-19 vaccine trials beginning around the globe, one vaccine approach is to induce the creation of antibodies in the participants.
The first phase of the trial will check whether ...
0
votes
0
answers
74
views
Effects of placebo on viral load in tests for effectiveness of a drug combination for COVID-19
I have very little background in Medicine, pardon me for that. I came across this reference recently. Loosely speaking, this study aims at testing the effect of azithromycin and hydroxychloroquin for ...