Pharmacokinetics · Pharmacology

Which Cytochrome P450 enzyme isoform is responsible for metabolizing the largest variety of clinical drugs?

  1. CYP2D6
  2. CYP1A2
  3. CYP3A4
  4. CYP2C9
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Correct answer: CYP3A4

CYP3A4 is the most abundant CYP enzyme in the liver and is involved in the metabolism of approximately 50% of all prescription drugs. Its activity can be inhibited or induced by various substances, leading to drug-drug interactions.

Difficulty: Medium Question 16 of 20

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