triple-blinded study

triple-blind study

A study in which knowledge of the treatment assignment(s) is concealed from the people who organise and analyse the data of a study as well as from subjects and investigators.

triple-blinded study

Clinical therapeutics A study in which the Pts and researchers are unaware of whether a treatment–experimental drug or placebo is being administered–ie, 'double-blinded'; in addition, the team analyzing the data is unaware of which group's data they are evaluating–ie, from the protocol's placebo or treatment arm. See Blinding, Double blinding.
References in periodicals archive ?
The IMPROVE trial had a triple-blinded study design with an intention-to-treat paradigm and good follow-up.