Gene therapy is a technology aimed at correcting or fixing a gene that may be defective. This exciting and potentially transformative area of research is focused on the development of potential treatments for monogenic diseases, or diseases that are caused by a defect in one gene.

The technology involves the introduction of genetic material (DNA or RNA) into the body, often through delivering a corrected copy of a gene to a patients cells to compensate for a defective one, using a viral vector.

The technology involves the introduction of genetic material (DNA or RNA) into the body, often through delivering a corrected copy of a gene to a patients cells to compensate for a defective one, using a viral vector.

Viral vectors can be developed using adeno-associated virus (AAV), a naturally occurring virus which has been adapted for gene therapy use. Its ability to deliver genetic material to a wide range of tissues makes AAV vectors useful for transferring therapeutic genes into target cells. Gene therapy research holds tremendous promise in leading to the possible development of highly-specialized, potentially one-time delivery treatments for patients suffering from rare, monogenic diseases.

Pfizer aims to build an industry-leading gene therapy platform with a strategy focused on establishing a transformational portfolio through in-house capabilities, and enhancing those capabilities through strategic collaborations, as well as potential licensing and M&A activities.

We're working to access the most effective vector designs available to build a robust clinical stage portfolio, and employing a scalable manufacturing approach, proprietary cell lines and sophisticated analytics to support clinical development.

In addition, we're collaborating with some of the foremost experts in this field, through collaborations with Spark Therapeutics, Inc., on a potentially transformative gene therapy treatment for hemophilia B, which received Breakthrough Therapy designation from the US Food and Drug Administration, and 4D Molecular Therapeutics to discover and develop targeted next-generation AAV vectors for cardiac disease.

Gene therapy holds the promise of bringing true disease modification for patients suffering from devastating diseases, a promise were working to seeing become a reality in the years to come.

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What is Gene Therapy? | Pfizer: One of the world's premier ...