Countdown to Interim Analysis, page-96

Sigh,

From the link provided by Treed - This will be a randomized (1:1 ratio), double blind, parallel design, placebo controlled trial

Definition of Blinding, also called Masking - This is another important keyword to understand. When the outcome can conceivably be affected by patient or investigator's expectations, then blinding is important. Blinding is of three types - single blind: when the patient is blind, double blind: when the patient and the investigator are blind, and triple blind: when the patient, investigator and data clean-up people are blind.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3505292/

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