sábado, 28 de abril de 2018

News & Events > Advancing the Science of Nanotechnology in Drug Development

News & Events > Advancing the Science of Nanotechnology in Drug Development

The use of nanotechnology in products regulated by the FDA has been ongoing for several decades and has included foods, cosmetics, medical devices and drugs. Within the purview of FDA’s Center for Drug Evaluation and Research (CDER), there is great diversity in drug products containing nanomaterials.

There has been a steady increase in the number of approved drug products containing nanomaterials, including investigational new drugs, new drug applications, and abbreviated new drug applications (commonly known as generics). More than 60 applications have been approved since the early 1970s, and interest continues to rise.

Drug products containing nanomaterials are unique in several ways because they may take on different chemical, physical, or biological properties compared to other types of drugs. In some instances, this may impact the quality, safety, or efficacy of the product. For example, drug products containing nanomaterials may follow a different pathway in the body compared to a small molecule drug. After a drug product formulated as a nanomaterial enters the bloodstream, it could interact with specialized immune cells called macrophages, which engulf and transport a drug to the location for which it has been programmed, such as where bacteria, fungi, or viruses reside. These areas are typically difficult to reach for a small molecule.

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