for Health Care Providers
Tables
| Description | |
|---|---|
| AASLD, American Association for the Study of Liver Diseases; RCT, randomized, controlled trials. | |
| Classification | |
| Class I | Conditions for which there is evidence and/or general agreement that a given diagnostic evaluation procedure or treatment is beneficial, useful, and effective |
| Class II | Conditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a diagnostic evaluation, procedure, or treatment |
| Class IIa | Weight of evidence/opinion is in favor of usefulness/efficacy Class IIb Usefulness/efficacy is less well established by evidence/opinion |
| Class IIb | Usefulness/efficacy is less well established by evidence/opinion |
| III | Conditions for which there is evidence and/or general agreement that a diagnostic evaluation procedure/treatment is not useful/effective, and in some cases, may be harmful |
| Level of evidence | |
| Level A | Data derived from multiple RCT or meta-analyses |
| Level B | Data derived from a single randomized trial, or nonrandomized studies |
| Level C | Only consensus opinion of experts, case studies, or standard-of-care |
Table 2. Pretreatment assessments in patients with chronic HCV infectiona
Necessary
- Medical history, including complications of liver disease, presence of significant extrahepatic disease, and symptoms of chronic HCV that may diminish quality of life
- Psychiatric history, including past or ongoing psychiatric, and substance use disorders
- Screening for depression and alcohol use
- Biochemical markers of liver injury and assessment of hepatic function, including serum ALT, serum albumin, serum bilirubin (including direct bilirubin), and prothrombin time
- Hemoglobin, hematocrit, WBC with differential, and platelet count
- TSH
- Serum creatinine
- Serum glucose
- Uric acid (while receiving TVR)
- Serum ferritin, iron saturation, and serum ANA
- Pregnancy test (in women of childbearing age)
- HIV serology
- Serum HBsAg, antiHBc, antiHBs, antiHAV (total)
- Quantitative HCV RNA measurement
- HCV genotype
- Previous antiviral therapies and response
- ECG in patients with preexisting cardiac disease
Recommended
- Liver biopsy (if results will influence management)
- IL28B genotype (if results will influence management)
- Eye exam for retinopathy in patients with diabetes or hypertension
- Urine toxicology screen for opiates, cocaine, and amphetamines
| Generic (Trade name) | Recommended dose | Recommended dose in renal or hepatic dysfunction |
|---|---|---|
| BOC, boceprevir; Clcr, creatinine clearance; HCV, hepatitis C virus; PegIFN, peginterferon; PI, protease inhibitor; PO, orally; RBV, ribavirin; SC, subcutaneous; TVR, telaprevir. | ||
| PegIFN alfa-2a (Pegasys®) | 180 mcg SC once weekly | Clcr <30 ml/min: 135 mcg SC once weekly Hemodialysis: 135 mcg SC once weekly |
| PegIFN alfa-2b (PEG-Intron®) | 1.5 mc/kg SC once weekly | Clcr 30-50 ml/min: reduce dose by 25% Clcr 10-29 ml/min: reduce dose by 50% |
| RBV (Copegus®, Rebetol®, Ribasphere®, RibaPak®) | Genotype 1: Or <65 kg: 800 mg PO daily in two divided doses Genotype 2 or 3: | Clcr 30-50 ml/min: 200 mg PO daily, alternating with 400 mg PO daily Clcr <30 ml/min: 200 mg PO daily |
| PIs for treatment of HCV genotype 1 | ||
| BOC (Victrelis) | 800 mg (4 x 200 mg capsules) PO every 7-9 apart with food in combination with PegIFN-RBV following a 4-week lead-in with PegIFN-RBV | Dose adjustments not necessary for renal or hepatic impairment (Child-Pugh <7) |
| TVR (Incivek) | 750 mg (2 x 375 mg tablets) PO every 7-9 h with food (20 grams fat) for 12 weeks, plus PegIFN-RBV for 24 or 48 weeks | Dose adjustments not necessary for renal or hepatic impairment (Child-Pugh <7) |
| Study cohort, N | SVR to PI/PegIFN/RBV (arm 1 of trial) | SVR to PI/PegIFN/RBV (arm 2 of trial) | SVR with PegIFN/RBV |
|---|---|---|---|
| BOC, boceprevir; eRVR, extended rapid virologic response; HCV, hepatitis C virus; PegIFN, peginterferon alfa; PI, protease inhibitor; RBV, ribavirin; RGT, response-guided therapy; SVR, sustained virologic response; TVR, telaprevir. | |||
| Treatment-naive | |||
| BOC (SPRINT-2), SVR% | 63 | 66 | 38 |
| N = 1,099 (11) | BOC/PegIFN/RBV RGT | BOC/PegIFN/RBV 44 weeks | PegIFN/RBV 48 weeks |
| TVR (ADVANCE), SVR% | 69 | 75 | 44 |
| N = 1,088 (12) | TVR for 8 weeks/PegIFN/RBV RGT | TVR for 12 weeks/PegIFN/RBV RGT | PegIFN/RBV 48 weeks |
| TVR (ILLUMINATE), SVR% | 71 | 73 | NA |
| N = 540 (49) | TVR for 12 weeks/PegIFN/RBV (24 total weeks) if eRVR | TVR for 12 weeks/PegIFN/RBV(48 total weeks) if eRVR | - |
| Treatment-experienced | |||
| TVR (REALIZE), SVR% overall | - | - | |
| N = 662 (13) | NA | 64-66 | 17 |
| TVR for 12 weeks/PegIFN/RBV (48 weeks total) | |||
| Prior relapsers (SVR%) | - | 83-88 | 24 |
| Prior partial responders (SVR%) | - | 54-59 | 15 |
| Prior null responders (SVR%) | - | 29-33 | 5 |
| BOC (RESPOND-2), SVR% overall | |||
| N = 403 (14) | 59 | 66 | 21 |
| BOC/PegIFN/RBV (48 weeks total) | |||
| Prior relapsers (SVR%) | 69 | 75 | 29 |
| Prior partial responders (SVR%) | 40 | 52 | 7 |
| PegIFN dose recommendationa | |||
|---|---|---|---|
ANC, absolute neutrophil count; BOC, boceprevir; GCSF, granulocyte colony-stimulating factor; Hb, hemoglobin; HCV, hepatitis C virus; PegIFN, peginterferon; RBV, ribavirin; TVR, telaprevir; WBC, white blood cell counts. a Manufacturer package insert recommendations. b If dose is maintained outside of manufacturer recommendations, monitor ANC more frequently, and counsel patient on neutropenic precautions. In post-liver transplantation or HIV/HCV-coinfected patients who remain neutropenic despite dose reduction, consider starting GCSF until resolution. c If dose is maintained outside of manufacturer recommendations, monitor platelet counts, and signs or symptoms of unusual bleeding or bruising more frequently. | |||
| WBC | |||
| <1.5 x 109/l | PegIFN alfa-2b: reduce dose to 1 mcg/kg per week, then to 0.5 mcg/kg per week if needed | ||
| <1.0 x 109/l | Discontinue PegIFN alfa-2b until resolution | ||
| ANCb | |||
| <0.75 x 109/l | PegIFN alfa-2a: reduce dose to 135 mcg per week PegIFN alfa-2b: reduce dose to 1 mcg/kg per week, then to 0.5 mcg/kg per week if needed | ||
| <0.50 x 109/l | Discontinue PegIFN until resolution | ||
| Plateletsc | |||
| <50 k/mm3 | PegIFN alfa-2a: reduce dose to 90 mcg per week PegIFN alfa-2b: reduce dose to 1 mcg/kg per week, then to 0.5 mcg/kg per week if needed | ||
| <25 k/mm3 | Discontinue PegIFN until resolution | ||
| RBV dose recommendation | |||
| Hb | |||
| <11.0, but >10 g/dl | No change in RBV dose if patient has minimal symptoms In a symptomatic patient, consider RBV dose reduction | ||
| <10.0, but >8.5 g/dl | Decrease RBV, consider starting an erythropoietic growth factor In patients with a cardiac history, reduce RBV dose and reduce PegIFN alfa-2b dose by 50% | ||
| <8.5 g/dl | Discontinue RBV until resolution If RBV is stopped for ≥ 7 days or discontinued in patients who are concomitantly receiving BOC or TVR, then BOC or TVR must be permanently discontinued | ||
| BOC-PegIFN/RBV | TVR-PegIFN/RBV | ||
|---|---|---|---|
| HCV, hepatitis C virus; PegIFN, peginterferon; PI, protease inhibitor; RBV, ribavirin; RGT, response-guided therapy; TVR, telaprevir. | |||
| Candidates for RGT | Noncirrhotics: Treatment-naive: 28 weeks Prior relapser/partial responder: 36 weeks | Noncirrhotics: Treatment-naive: 24 weeks Prior relapser: 24 weeks | |
| Criteria for RGT | HCV RNA undetectable (<10-15 IU/ml) weeks 8-24 | HCV RNA undetectable (<10-15 IU/ml) weeks 4 and 12 | |
| Futility rules (stop all treatment if any of the following occur) | Week 12: HCV RNA ≥100 IU/ml Or Week 24: HCV RNA detectable Or HCV RNA rebounds at any timepoint (≥1 log10increase from the nadir HCV RNA) | Week 4 or 12: HCV RNA >1,000 IU/ml Or Week 24: HCV RNA detectable Or HCV RNA rebounds at any timepoint (≥1 log10 increase from the nadir HCV RNA) | |
| Week | |||||||||
|---|---|---|---|---|---|---|---|---|---|
*Intervals may need to be increased based on patient tolerance and response to treatment in patients with significant declines in blood counts, renal insufficiency, diabetes, cirrhosis or other indications. **Recommended for all patients at baseline and periodically during antiviral treatment in patients with diabetes, hypertension or as needed for visual complaints. | |||||||||
| Necessary | 0 | 2 | 4 | 8 | 12 | 24 | Every 4-weeks Thereafter | End-of-Treatment | 24 weeks Post-treatment |
| HCV RNA | √ | √ | √ | √ | √ | Follow Algorithm for additional timepoints | √ | √ | |
| CBC with differential | √ | √ | √ | √ | √ | √ | √* | √ | |
| Liver function tests | √ | √ | √ | √ | √ | √ | √* | √ | |
| Psychiatric/Substance Use Screening | √ | √ | √ | √ | √ | √ | √* | ||
| Renal panel | √ | √ | √ | * | |||||
| Glucose | √ | √ | √ | * | |||||
| TSH | √ | √ | √ | * | |||||
| Uric acid (if on telaprevir) | √ | √ | √ | √ | √ | √ | * | √ | √ |
| Pregnancy test | √ | √ | √ | √ | √ | √ | √ | √ | |
| Recommended | |||||||||
| Fundoscopic Exam** | √ | ||||||||
| Urine Toxicology Screen | √ | ||||||||
Adapted from earlier recommendations: Management and Treatment of Hepatitis C Viral Infection, 2006:
Table 3. Contraindications to HCV Therapy
- Life-determining extrahepatic disease (malignancy, unstable angina, severe chronic obstructive pulmonary disease)
- Clinically decompensated liver disease*
- Uncontrolled autoimmune disorders
- Pregnancy or planned pregnancy in a patient or the patient's sexual partner or unwillingness to use adequate birth control
- Documented nonadherence to prior medical treatment or failure to complete HCV disease evaluation appointments and procedures
- Inability to self-administer or to arrange appropriate administration of parenteral medication
- Severe uncontrolled psychiatric disease, particularly depression with current suicidal risk~
- Ongoing problematic injection drug use that interferes with adherence to medical treatment~, **
- Ongoing heavy alcohol use that interferes with adherence to medical treatment~, **

