Will the drug be available after the study has ended? FDA approval of a drug is often a long process, but if the results of a study show the drug to be effective, a study drug may become available, or FDA-approved soon after a study has ended. Sometimes, open-label (everyone in the study is on the study drug) extensions follow a research study.         © Copyright 2004 Diablo Clinical Research. No part of this website may be reproduced without express written permission.

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