Updated guidelines for hepatitis B screening among patients with cancer

Updated guidelines for HBV screening among patients with cancer
Updated guidelines for HBV screening among patients with cancer

HealthDay News — Guidelines for hepatitis B virus screening among patients with cancer have been updated, according to an article published in the Journal of Clinical Oncology.

Jessica P. Hwang, MD, of the University of Texas MD Anderson Cancer Center in Houston, and colleagues provided an updated provisional clinical opinion based on the American Society of Clinical Oncology panel consensus for hepatitis B virus (HBV) screening.

Patients should be screened for HBV infection before starting anti-CD20 therapy or hematopoietic cell transplantation. Patients with risk factors for HBV infection should also be screened. Screening should include hepatitis B surface antigen (HBsAg) and hepatitis B core antibody (anti-HBc), using the total anti-HBc or anti-HBc immunoglobulin G test.

Antiviral therapy for HBsAg-positive/anti-HBc-positive patients should be started before or simultaneously with cancer therapy; HBsAg-negative/anti-HBc-positive patients should be monitored for reactivation with HBV DNA and alanine aminotransferase levels and treated with antivirals if reactivation occurs.

For HBsAg-negative/anti-HBc-positive patients anticipating cancer therapies associated with a high risk of reactivation, clinicians can initiate antivirals, or they can monitor patients and initiate on-demand antivirals. HBV screening is not supported for patients who have neither HBV risk factors nor anticipate cancer therapy associated with a high risk of reactivation.

"Overall, the panel recommends collaboration between oncology and hepatitis B experts to identify key clinical and research areas to reduce the incidence of HBV reactivation and to disseminate and implement scientific discoveries," the authors write.

References

  1. Hwang JP et al. JCO. 2015; doi: 10.1200/JCO.2015.61.3745.

Disclosures

Several authors disclosed financial ties to the pharmaceutical and biotechnology industries.

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