Task: Answer Verification
Input (English): Question: Is iron depletion effective in inducing a virologic response in patients with chronic hepatitis C who failed to respond to interferon therapy?
Answer: In patients who previously failed treatment with interferon, iron depletion induced by phlebotomy improves ALT levels but is ineffective in achieving viral eradication in patients retreated with interferon 3 million units three times per week.
Output (English): no