FDA Helping Drug Makers on Continuous Manufacturing

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CDER Emerging Technology Team chief Sau Lee says the agency is “taking proactive steps to facilitate the drug industry’s implementation of emerging technologies, including continuous manufacturing, to improve product quality and address many of the underlying causes of drug shortages and recalls.” Writing in an online position paper, Lee describes the differences between traditional batch manufacturing and continuous manufacturing and the benefits of the newer process.

While industries such as the chemical and petrochemical industries have already undergone a manufacturing evolution and use efficient continuous technologies to safely manufacture products, Lee writes, the transition to continuous manufacturing in the drug industry is still in its early stages for several reasons. He notes that start-up costs for such a transition can be high, although economic analyses have shown potential significant long-term savings. Also, he says, some technologies still need to mature before being commercially viable.

“For certain types of drugs, such as biological products,” Lee says, “the technology for producing them by continuous manufacturing may not exist. Research is underway to address these and other challenges. Furthermore, drug makers still perceive of regulatory uncertainty that may delay product approval when a new manufacturing technology is used.”

The agency is providing resources and information to help industry make the transition, he says. And it is training review staff and conducting internal research on risk areas associated with continuous manufacturing so it can better assess related technologies.

 

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