Glossary of Study Terms
Double blind: Study in which neither the health care provider nor the participant knows which drug regimen the participant is taking.
Multicenter: Study carried out in more than 1 medical center or clinic.
Open Label: Both the participant and health care provider know what therapy the participant is taking.
Placebo controlled: Study that compares participants taking a drug to those taking a placebo (an inactive substance)
Primary endpoint: Main objective of a study.
Randomized: Participants are randomly chosen to take either one drug regiment or another (or placebo)
Secondary endpoints: Other important goals of a clinical study.