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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: CA Cancer J Clin. 2017 Jul 6;67(5):411–431. doi: 10.3322/caac.21403

TABLE 7.

Unmet clinical and research needs and knowledge gaps on HCV infection in patients with cancer

 Optimal screening strategy in cancer patients and HCT recipients
 Value of routine HCV screening in cancer centers
 Need for systematic cancer screening of HCV-infected cancer patients to identify HCV-related second primary cancers
 Optimal strategy for monitoring HCV infection during cancer treatment
 Impact of DAA-based therapy in cancer prevention
 Most favorable strategy for early detection and treatment of coinfections caused by carcinogenic viruses (e.g., hepatitis B virus, HIV, and human papillomavirus) in HCV-infected cancer patients
 Studies on HBV reactivation in cancer patients with HBV and HCV co-infection receiving DAAs
 Optimal timing of antiviral therapy in relation to chemotherapy and HCT
 Efficacy and safety of various DAA regimens in cancer patients and HCT recipients
 Predictors of liver disease progression, even if a SVR is achieved
 Reliability of serologic markers of fibrosis and FibroScan VCTE in predicting the presence of advanced fibrosis and cirrhosis in cancer patients and HCT candidates
 Inclusion of HCV-infected cancer patients in clinical trials of both cancer treatment and DAAs
 Virologic, hepatic and oncologic impact of treating HCV in people with various cancers
 Large well-designed prospective studies focused on cancer patients from distinct geographic areas analyzing the impact of geographic variations of HCV genotypes
 Characterization of interactions between DAAs and chemotherapeutic agents

DAA, direct-acting antiviral; HBV, hepatitis B virus ; HCT, hematopoietic cell transplant; HCV, hepatitis C virus ; SVR, sustained virologic response; VCTE, vibration-controlled transient elastography