Task: Answer Verification
Input (English): Question: Are omeprazole and lansoprazole inducers of cytochrome P4501A2 under conventional therapeutic conditions?
Answer: The results show that both omeprazole and lansoprazole in the daily recommended therapeutic doses of 20 mg and 30 mg, respectively, have no influence on the metabolism of caffeine, and therefore no influence on cytochrome CYP1A2 activity.
Output (English): no