Review by Cary Gross – 03/18/2015 – 1:19pm

Data Request Number: 2015-0339 Please use this space to provide any comments, feedback or concerns (optional):

The investigators should consider incorporating baseline patient characteristics into their analysis, as there may be important differences across study samples in factors that may confound the relationship between immunomodulators and trough level of biologic therapies.

Recommendation for this data request: Approve