has part single blind study execution 2009/09/28 Alan Ruttenberg. Fucoidan-use-case A single blind study execution is defined as any study execution in which the subjects are not informed of which study arm they are part of during the portion of the trial when the subjects are being treated Person:Alan Ruttenberg http://clinicaltrials.gov/ct2/info/glossary#single single blind study execution treatment portion of study execution informing subject of study arm metadata complete