This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Erenumab was approved by FDA in 2018 for \nSelect and explain. \nA. Phenylketonuria, B. Migraine, C. Hypeension, D. Glycogen storage disorders', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Erenumab belongs to a new class of drugs known as selective calcitonin gene-related peptide (CGRP) antagonists, which are used for the treatment of acute migraine attacks.', 'role': 'assistant'}]