Multiple choice

How many patients can be studied for a clinical Phase II trial?

  1. 10-15

  2. 20-25

  3. 30-35

  4. 40-45
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Phase II clinical trials typically involve 20-25 patients to evaluate drug efficacy and monitor side effects. This is a small sample to assess effectiveness before larger Phase III trials.

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