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Monitoring of Patients on HCV Treatment. Curtis Barry, MD UMASS ECHO 2/24/17. Disclosure. I have no conflicts of interest related to this subject Reference: AASLD GUIDELINES. Prior to Starting. Following labs recommended within 12 weeks prior to starting on treatment CBC, INR LFTs Cr
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Monitoring of Patients on HCV Treatment Curtis Barry, MD UMASS ECHO 2/24/17
Disclosure • I have no conflicts of interest related to this subject • Reference: AASLD GUIDELINES
Prior to Starting • Following labs recommended within 12 weeks prior to starting on treatment • CBC, INR • LFTs • Cr • Assess for HBV coinfection with HBsAg, anti-Hbs, and anti-HBc
During treatment • At week 4: CBC, Cr, LFTs • If on ribavirin: monitor CBC as clinically indicated If 10x increase in ALT at week 4 -> stop If increase in ALT plus weakness, n/v, jaundice, increase in INR -> stop Asymptomatic increase in ALT at week 4 -> repeat at weeks 6 and 8.
HCV RNA • Recommended: HCV PCR at week 4 and at 12 weeks following tx • Optional: HCV PCR at end of treatment and 24 weeks following tx
Discontinuation for lack of efficacy • If HCV RNA detectable at week 4 -> repeat week 6. If HCV RNA has increased by greater than 10-fold (>1log10 IU/mL) on repeat testing discontinue HCV treatment • Significance of positive HCV RNA at week 4 that remains positive, but lower, at week 6 or 8 is unknown. No recs on stopping or extending therapy can be provided
Ribavirin • Women of childbearing age should be counseled not to become pregnant while receiving riba and for 6 months after stopping • Male partners of women of childbearing age should be cautioned to prevent pregnancy and for up to 6 months after stopping
Tx Failures • Every 6 to 12 months: CBC, INR, LFTs • Screen for HCC if has cirrhosis • Variceal screening if cirrhosis • Evaluation for retreatment as alternative treatments become available
SVR • If no advanced fibrosis no follow-up needed • If cirrhosis: HCC screening, variceal screening • If persistently abnormal LFTs assessment for other causes of liver disease