Zusammenfassung
Nach den neuen deutschen Leitlinien zur Hepatitis B wird eine Therapie bei HBV-DNA-Werten >10.000 Kopien/ml und einer 2-fach erhöhten GPT oder dem histologischen Nachweis von Entzündung/Fibrose empfohlen. Kommt keine Interferontherapie in Betracht, kann man bei einer Viruslast <1 Mio. Kopien/ml ohne Zirrhose eine Monotherapie mit Adefovir, Entecavir, Telbivudin oder Lamivudin beginnen. Bei hoher Viruslast ist Entecavir zu empfehlen. Die HBV-DNA sollte eng kontrolliert werden, um Therapieversagen und Resistenzen früh zu erkennen. Bei Resistenz wird eine Kombinationstherapie empfohlen.
Neue Studien machen eine Individualisierung des starren Therapieschemas der Hepatitis C erforderlich, da man früh entscheiden kann, wie erfolgreich und lange die Therapie durchgeführt werden soll. Bei niedriger Viruslast kann man die Therapie verkürzen, wenn die HCV-RNA nach 4 Wochen negativ ist. Ohne rasches Ansprechen sollte die HCV-RNA nach Woche 12 und 24 gemessen werden: Wird die HCV-RNA erst nach 24 Wochen negativ, könnte eine Therapieverlängerung sinnvoll sein.
Abstract
According to the new German guidelines therapy of chronic hepatitis B is recommended when HBV-DNA is >10.000 copies/ml and when GPT is >twice the ULN or biopsy shows inflammation/fibrosis. When patients are not suitable for interferon therapy, mono-therapy with adefovir, entecavir, telbivudine of lamivudine may be initiated provided that HBV-DNA is <1 Mio. copies/ml and cirrhosis is absent. When viral load is high, entecavir should be preferred. HBV-DNA need to be checked for early detection of non-response or resistance. When resistance is present, combination therapy is recommended.
New studies warrant individualization of previous recommendation for therapy of hepatitis C because one can now early evaluate how successful and long the therapy shall be. When viral load is low and HCV-RNA becomes negative after 4 weeks, therapy may be shortened to 24 weeks. Without such rapid response HCV-RNA needs to be checked after 12 and 24 weeks: when HCV-RNA becomes negative only after 24 weeks, a prolongation of therapy might be advisable.
Abbreviations
- HBV:
-
Hepatitis-B-Virus
- HCV:
-
Hepatitis-C-Virus
- HCC:
-
Hepatozelluläres Karzinom
- PEG-IFN:
-
Pegyliertes Interferon
- NR:
-
Non-Response
- RVR:
-
Rapid Virological Response
- EVR:
-
Early Virological Response
- cEVR:
-
complete Early Virological Response
- pEVR:
-
partial Early Virological Response
- SVR:
-
Sustained Virological Response
- DGVS:
-
Deutsche Gesellschaft für Verdauungs- und Stoffwechselkrankheiten
- AWMF:
-
Arbeitsgemeinschaft Medizinisch Wissenschaftlicher Fachgesellschaften
- AASLD:
-
American Association for the Study of Liver Diseases
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Diese Arbeit wurde durch das vom Bundesministerium für Bildung und Forschung geförderte Kompetenznetz Hepatitis (Hep-Net) unterstützt.
Der korrespondierende Autor gibt an, dass kein Interessenkonflikt besteht.
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Niederau, C. Aktuelle Therapie der chronischen Hepatitis B und C. Internist 49, 1265–1273 (2008). https://doi.org/10.1007/s00108-008-2037-8
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DOI: https://doi.org/10.1007/s00108-008-2037-8