Not long ago, it was more or less conventional wisdom that E&L studies should be performed late in the development cycle—even after the final container/closure system is known. But current regulatory trends suggest that, like many things GxP, expectations for early E&L data are on the rise.
In recent years, multiple drug sponsors have been required by authorities to provide detailed E&L packages or address specific questions during phase I/II. It’s not only clinical trial material containers causing concern, but also the equipment used in manufacturing and dosing devices. As a result of these new expectations, several programs have been put on a clinical hold pending E&L data, causing significant delays and unplanned expense.
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