<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:An experimental new drug SD27C is being studied. This novel drug delivers insulin via the intranasal route. Consent is obtained from participants who are diabetic and are taking insulin as their current treatment regimen to participate in a clinical trial. 500 patients consent and are divided into 2 groups, and a double-blind clinical trial was conducted. One group received the new formulation SD27C, while the second group received regular insulin via subcutaneous injection. The results showed that the treatment outcomes in both groups are the same. SD27C is currently under investigation in which phase of the clinical trial?? A: Phase IV, B: Phase III, C: Post-market surveillance, D: Phase II, E: Phase I,  <response>: This is a clinical trial question. Based on the details provided, this is a phase III clinical trial. A phase III trial involves several hundred patients and compares the experimental treatment to the currently accepted standard treatment. Since this trial involved 500 patients and compared the experimental intranasal insulin SD27C to the standard subcutaneous insulin injections, it is a phase III trial.B: Phase III 