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NIDA. (2013, March 27). Genes linked to hepatitis C viral clearance could lead to personalized treatments. Retrieved from

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Science Spotlight

March 27, 2013

NIDA AIDS Research Program

A NIH-funded study, published February 19 in the Annals of Internal Medicine, shows that possessing either of two specific gene variants make it more likely that a patient’s own immune system can successfully fight off hepatitis C infection (i.e., without the need for medications). Furthermore, if a person possesses both, the chances of clearing the virus are even greater. These results may predict which patients will respond more favorably to hepatitis C treatment.

For a copy of the study abstract, go to For details on NIDA’s AIDS Research Program, go to For a copy of a press release from Johns Hopkins Medicine, go to

For more information, contact the NIDA press office at or 301-443-6245.