Meta-analysis: Prevalence and impact of alcohol abstinence in alcohol-associated cirrhosis
- PMID: 38303565
- PMCID: PMC11371415
- DOI: 10.1111/apt.17888
Meta-analysis: Prevalence and impact of alcohol abstinence in alcohol-associated cirrhosis
Abstract
Background: Although alcohol abstinence may be an effective intervention for alcohol-associated cirrhosis, its association with prognosis has not been systematically assessed or quantified.
Aims: To determine the prevalence of alcohol abstinence, factors associated with alcohol abstinence and the impact of abstinence on morbidity and overall survival in people with alcohol-associated cirrhosis.
Methods: We searched Medline and Embase from inception to 15 April 2023 for prospective and retrospective cohort studies describing alcohol abstinence in people with known alcohol-associated cirrhosis. Meta-analysis of proportions for pooled estimates was performed. The method of inverse variance, employing a random-effects model, was used to pool the hazard ratio (HR) comparing outcomes of abstinent against non-abstinent individuals with alcohol-associated cirrhosis.
Results: We included 19 studies involving 18,833 people with alcohol-associated cirrhosis. The prevalence of alcohol abstinence was 53.8% (CI: 44.6%-62.7%). Over a mean follow-up duration of 48.6 months, individuals who continued to consume alcohol had significantly lower overall survival compared to those who were abstinent (HR: 0.611, 95% CI: 0.506-0.738). These findings remained consistent in sensitivity/subgroup analysis for the presence of decompensation, study design and studies that assessed abstinence throughout follow-up. Alcohol abstinence was associated with a significantly lower risk of hepatic decompensation (HR: 0.612, 95% CI: 0.473-0.792).
Conclusions: Alcohol abstinence is associated with substantial improvement in overall survival in alcohol-associated cirrhosis. However, only half of the individuals with known alcohol-associated cirrhosis are abstinent.
Keywords: abstinence; cirrhosis; hepatocellular carcinoma; prevalence; survival.
© 2024 John Wiley & Sons Ltd.
Conflict of interest statement
CONFLICT OF INTEREST STATEMENT
Cheng Han Ng: CHN serves as a consultant to Boxer Capital. Brian P Lee: BPL receives Siemens Healthineers Consulting fees from GlaxoSmithKline. Philippe Mathurin: PM serves as a consultant for Abbvie, Advanz Pharma Services, Agomab Therapeutics, Astra Zenneca, Bayer Healthcare, Eisai, Evive Biotech, Gilead Sciences, GlaxoSmithKline, Iddi, Intercept, Ipsen, Novo Nordisk, Pfizer, Resolution Therapeutics, Roche, Surrozen. Rohit Loomba: RL serves as a consultant to Aardvark Therapeutics, Altimmune, Arrowhead Pharmaceuticals, AstraZeneca, Cascade Pharmaceuticals, Eli Lilly, Gilead, Glympse bio, Inipharma, Intercept, Inventiva, Ionis, Janssen Inc., Lipidio, Madrigal, Neurobo, Novo Nordisk, Merck, Pfizer, Sagimet, 89 bio, Takeda, Terns Pharmaceuticals and Viking Therapeutics. In addition, his institution received research grants from Arrowhead Pharmaceuticals, Astrazeneca, Boehringer-Ingelheim, Bristol-Myers Squibb, Eli Lilly, Galectin Therapeutics, Gilead, Intercept, Hanmi, Intercept, Inventiva, Ionis, Janssen, Madrigal Pharmaceuticals, Merck, Novo Nordisk, Pfizer, Sonic Incytes and Terns Pharmaceuticals. Co-founder of LipoNexus Inc. Daniel Q. Huang: DQH has served as a consultant for Gilead Sciences.
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