Omalizumab is helpful in which of the following diseases? 1. Asthma 2. Idiopathic pulmonary fibrosis 3. Nasal polyposis Select the correct answer using the code given below:
1 and 3 only
Omalizumab is an anti-IgE monoclonal antibody approved for moderate-to-severe allergic asthma and chronic rhinosinusitis with nasal polyps. It has no proven role in idiopathic pulmonary fibrosis, which is treated with antifibrotics (pirfenidone, nintedanib). Hence 1 and 3 only are correct.
Which one of the following is used to distinguish narrowing of large airway from small airway?