Controversies in terlipressin and transplantation in the United States: How do we MELD the two?

Hepatorenal syndrome-acute kidney injury (HRS-AKI) is a severe complication of cirrhosis that carries a poor prognosis. The recent Food and Drug Administration approval of terlipressin has substantial implications for managing HRS-AKI and liver allocation in the United States (US). Terlipressin has been available in Europe for over a decade, and several countries have adapted policy changes such as Model for End-Stage Liver Disease (MELD) score "lock" for HRS-AKI. In this article, we outline the European experience with terlipressin use and explore the question of whether terlipressin treatment for HRS-AKI should qualify for MELD score "lock" in the US in those who respond to therapy. Arguments for the MELD lock include protecting waitlist priority for terlipressin responders or partial responders who may miss offers due to MELD reduction in the terlipressin treatment window. Arguments against MELD lock include the fact that terlipressin may produce a durable response and improve overall survival, and that equitable access to terlipressin is not guaranteed due to cost and availability. We subsequently discuss proposed next steps for studying terlipressin implementation in the US. A successful approach will require the involvement of all major stakeholders and the mobilization of our transplant community to spearhead research in this area.

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