Sub-study and Ancillary Study Proposals

Process and Format

January, 2008 (Pathogenesis section updated May 2008)

For all proposals submitted to the Natural History and Pathogenesis Committees Definitions

• “Sub-studies” are investigator-initiated studies that utilize previously collected data or samples from ARDSnet clinical trials. The studies may be related to the clinical issues addressed in the original trial, but the existing data and samples may also be used to address other questions.