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Primary Biliary Cholangitis (PBC)

PBC is a chronic autoimmune cholestatic liver disease characterized by immune mediated destruction of the intrahepatic bile ducts. The disease predominantly affects middle aged women. The exact mechanisms that cause the onset of the disease are still being researched. Noteworthy is the decline in the female-to-male ratio from 9:1 to 4:1 over the past two decades. Male patients are often diagnosed at a more advanced stage of the disease and have a poorer prognosis. Progressive cholestasis can lead to fibrosis, cirrhosis, and liver failure.

Hepatitis C Virus (HCV)

HCV is an RNA virus primarily transmitted through blood exposure. Chronic infection is frequently asymptomatic in early stages but can lead to progressive fibrosis, cirrhosis, and hepatocellular carcinoma on the long-term. The advent/development/introduction of direct acting antivirals has transformed HCV management, allowing for high cure rates with finite, well tolerated oral treatment regimens.

Hepatitis B Virus (HBV)
HBV is a partially double stranded DNA virus transmitted through perinatal exposure, sexual contact, or parenteral routes. Chronic HBV infection can result in long term hepatic inflammation, fibrosis, cirrhosis, and hepatocellular carcinoma. Although current antiviral therapies effectively suppress viral replication and reduce disease progression, they rarely achieve complete viral eradication, and often long term treatment is required. HBV is unique among chronic viral hepatitis infections because an effective preventive vaccine is available, substantially reducing transmission and disease burden.
Hepatitis D Virus (HDV)
HDV is a defective RNA virus that requires the presence of hepatitis B virus (HBV) for replication. Transmission routes equal those of HBV. Infection occurs either as a co infection with HBV or as a superinfection in individuals with chronic HBV infection. HDV is associated with the most aggressive form of viral hepatitis, characterized by rapid disease progression, early development of cirrhosis, and an increased risk of liver-related mortality in comparison to chronic HBV infection. Therapeutic options remain limited, and management focuses on antiviral strategies targeting viral suppression and preventing disease progression.

Check out the materials we have for your patients

Podcast

The Hep-cast

Listen to Hepatitis PodCast, about people whose lives have been changed by viral hepatitis and those fighting to eliminate it.

Hepatitis-videos

Hepatitis B videos

Find out more information to manage your daily life with hepatitis B.

Hepatitis-C-videos

Hepatitis C videos

Find out more information to manage your daily life with hepatitis C.

Testimonials videos

Hepatitis B

Hepatitis D

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Reference

  1. EASL Clinical Practice Guidelines Volume 83, Issue 2; p502-583 August 2025

    The management of chronic liver diseases is guided by EASL Clinical Practice Guidelines, including the 2025 update for HBV, the 2020 recommendations for HCV, the 2023 HDV guidelines, and the current PBC guidelines 2017 (Update to follow 2026).
CH-UNB-1087, 03/26