The arbitrary sobriety threshold is losing its grip — here’s what the evidence says
STUDY: Kotanidis CP et al, N Engl J Med 2026;394(13):1341–1344
STUDY TYPE: Clinical Decisions (expert debate with case vignette)
FUNDING: Independent
Background
Transplantation centers have long required 6 months of sobriety before listing patients with alcohol-related liver disease — a threshold meant to predict relapse and identify sustained sobriety. The evidence behind it, though, is thin.
A debate in the New England Journal of Medicine examines the dilemma through a 39-year-old woman with acute liver failure on a background of alcohol-associated cirrhosis, 3 months of confirmed abstinence, and rapidly worsening labs despite ICU-level care.
The Study
Two experts argue opposite sides:
- Transplant now: Multicenter data shows early transplantation — in patients with fewer than 6 months of sobriety — yields high survival rates (77% versus 23%), with only an 11% 3-year relapse rate into alcohol.
- Wait: The patient carries several high-risk features: a decade of alcohol use disorder, recurrent drinking despite life-threatening complications, and multiple inpatient treatment attempts — two of the strongest predictors of harmful post-transplant drinking.
Practice Implications
- The 6-month rule isn’t evidence-based, and AASLD guidelines now support early transplant in selected patients with favorable risk profiles regardless of sobriety duration.
- What predicts post-transplant success isn’t time sober — it’s motivation, insight, engagement, and support. Duration of sobriety is not the deciding point.
— Chris Aiken, MD
Director, Psych Partners
Editor in Chief, Carlat Psychiatry Report
What’s Your Take? Share in Comments
- What’s your opinion on the debate?







