1-022 - Natalizumab extended interval dosing (EID) is associated with a reduced risk of progressive multifocal leukoencephalopathy (PML) than every-4-week (Q4W) dosing: Updated analysis of the TOUCH Prescribing Program database
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: 1-022 - Natalizumab extended interval dosing (EID) is associated with a reduced risk of progressive multifocal leukoencephalopathy (PML) than every-4-week (Q4W) dosing: Updated analysis of the TOUCH Prescribing Program database ### Output: 