Feasibility of randomized controlled trials (RCTs) for drugs approved by the United States Food and Drug Administration (FDA) based on single arm studies.
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: Feasibility of randomized controlled trials (RCTs) for drugs approved by the United States Food and Drug Administration (FDA) based on single arm studies. ### Output: 