Yerino G.A., Halabe E.K., Feleder E.C.


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Healthy volunteers for bioequivalence trials: predictive factors for enrollment failures- A Case- control study. Int J Clin Pharmacol Ther. 2011 Mar;49(3):231-6.


OBJECTIVE: To identify social predictors for enrollment failures of healthy volunteers (hv) in bioequivalence trials.

METHODS: Retrospective case-control study. Data was collected from clinical files of hv recruited in 13 bioequivalence trials approved by an independent IRB and local regulatory authority carried out between January and December 2009 at a Pharmacokinetic Unit in Buenos Aires, Argentina. All hv signed the Inform Consent Form. Only subjects who fulfilled all inclusion criteria required by the protocols were studied. Cases (enrollment failures): hv who fulfilled the protocols eligibility criteria but were not enrolled in the trials by their own decision. CONTROLS: hv who fulfilled all the protocols eligibility criteria and were enrolled. Cases and controls were matched by demographic/ physical data and compared in relation to database contact, unemployment, alcoholic/ drug family environment, history of alcohol/ drug abuse, and other social variables. Chi2-test and t-test were used to compare data; variables presenting statistical difference were included in a logistic regression model.


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