Pharmacology While assessing the efficacy of a newly developed drug in comparison to placebo, the 95% confidence interval in clinical trials is used to check for: A Efficacy of the drug B Non-efficacy of the drug C Both efficacy and non-efficacy of the drug D Either efficacy or non-efficacy of the drug 💡 Explanation While assessing the efficacy of a newly developed drug in comparison to placebo, the 95% confidence interval in clinical trials is used to check for: ✓ Correct Answer: A. Efficacy of the drug