Phlebotomy and Risk of Hepatocellular Carcinoma in Patients With Compensated Alcoholic Cirrhosis (CIRROX)

• Cumulative incidence of HepatoCellular Carcinoma during follow-up [ Time Frame: 3 years ] [ Designated as safety issue: No ]
  the cumulative incidence of HCC will be estimated considering death prior to the event of interest as competing risk outcomes
  
  

• Number of hepatic decompensation episodes in study participants [ Time Frame: 3 years ] [ Designated as safety issue: No ]
  
• Cumulative incidence of death non related to hepatoCellular Carcinoma [ Time Frame: 3 years ] [ Designated as safety issue: No ]
  
• Number of Participants with Adverse Events as a Measure of Safety and Tolerability [ Time Frame: 3 years ] [ Designated as safety issue: Yes ]
  

Purpose

The role of iron in liver carcinogenesis is supported by human, animal and cellular models through direct and indirect mechanisms. The accumulation of iron promotes liver cell proliferation and is responsible for direct structural damage or mutations of DNA caused by free iron itself or reactive oxygen species generated by its accumulation in the liver.

The influence of hepatic iron overload (HIO) on the risk of hepatocellular carcinoma (HCC) is well established in patients with genetic hemochromatosis or HCC developed on non-cirrhotic liver. However, the influence of HIO on the risk of occurrence of HCC in other chronic liver disease (including alcoholic and viral C) has been controversial. Recently, a prospective study including a large population of patients with cirrhosis (n = 301) classified according to the aetiology of liver disease (alcohol, n = 162 or hepatitis C virus (HCV)infection, n = 139) has shown the association between HIO and the occurrence of HCC in patients with alcoholic cirrhosis. Thus, the assessment of liver iron in routine clinical practice could allow the identification of patients at higher risk of developing HCC and in whom preventive measures such as iron depletion by phlebotomy could be undertaken. Based on the model of genetic hemochromatosis in which its effectiveness on survival improvement and even regression of hepatic injury has been shown, its effectiveness on the prognosis and prevention of HCC occurrence in patients with alcoholic cirrhosis must now be studied in prospective multicentre randomized trials.

The main objective of the study is to assess in patients with compensated alcoholic cirrhosis and HIO, as assessed by MRI, the effect of phlebotomy in order to lower and maintain serum ferritin below 50 µg / l on the risk of HCC occurrence. The effect of bloodletting will be jointly evaluated on 1) episodes of hepatic decompensation, 2) non HCC liver-related mortality 3) changes in HIO during follow-up.

Study Type: Interventional Study Design: Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Parallel Assignment Masking: Open Label Primary Purpose: Prevention