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A double blind study of a new drug is usually done at what phrase of a clinical trial?

User Tjugg
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Final answer:

A double-blind study of a new drug is usually done in the phase III of a clinical trial.

Step-by-step explanation:

A double-blind study of a new drug is usually done in the phase III of a clinical trial. In a double-blind study, both the researchers and the participants are unaware of which group is receiving the active treatment and which group is receiving a placebo. This helps to eliminate bias and ensure the validity of the study's results.

User Kaediil
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