Tenofovir and emtricitabine can suppress hepatitis B among patients in the immune-tolerant stage, according to a study presented at a liver disease research meeting in Europe. Researchers tracked 126 HBV patients and found that 76% of those who took the tenofovir-emtricitabine combination for four years experienced viral suppression compared with 55% of those who received tenofovir alone. Few patients, however, regained their immune response to the pathogen, and among participants who stopped taking the drugs, viral loads returned to pre-study levels.

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