• Chung-Feng Huang, Tyng-Yuan Jang, Po-Liang Lu, and Ming-Lung Yu.
• Hepatobiliary Division, Department of Internal Medicine and Hepatitis Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University Faculty of Internal Medicine, College of Medicine, Center for Infectious Disease and Cancer Research, Lipid Science and Aging Research Center, Kaohsiung Medical University Department of Occupational Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University Department of Laboratory Medicine, and Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung Health Management Center, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Taiwan.
• Medicine (Baltimore). 2016 Nov 1; 95 (47): e5304e5304.

BackgroundDirect antiviral agent (DAA) has been the standard of care for patients with hepatitis C virus (HCV) infection. Twelve weeks of paritaprevir/ritonavir/ombitasvir plus dasabuvir (PROD) with or without ribavirin has shown to have a sustained virological response at post-treatment 12 weeks (SVR12) rate of >90% in HCV genotype 1 (HCV-1) patients.MethodsWe report a HCV-1b patient who received only 25 days of PROD treatment.ResultsThe patient early terminated treatment due to dengue fever but eventually achieved SVR12. It may attribute to low baseline viral loads and extraordinarily rapid suppression of HCV after treatment day1.ConclusionsThe finding may shed light for possible response-guided-therapy for so-called ultra-super-responders in the DAA era. Whether the dengue virus, the Flaviviridae family as with HCV, enhanced the HCV clearance remains unclear and needs further exploration.

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