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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following agents enhances the bioavailability of levodopa in patients with Parkinson's disease:
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The correct answer is  Entacapone & tolacapone which cones under COMT INHIBITORS enhance & prolong the therapeutic effect of levodopa-carbidopa in advanced & fluctuating PD . Ref: KD Tripathi 8th ed.