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Drugs in development · updated 30 October 2026

Hepatic encephalopathy: drugs in development

As of 30 October 2026 there are 5 active clinical trials (recruiting or ongoing, phases I–III) on 7 drugs for hepatic encephalopathy. 2 are experimental, that is not yet approved in the United States.

5Active trials
2Experimental drugs
0Experimental, in phase III

Summary updated every week · data as of 30 October 2026. In Phuturdex you get the full detail of every drug and an email when an alert is published on the ones you follow.

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Experimental drugs

Not yet approved by the US FDA for any indication.

DrugMost advanced phaseActive trialsReference trial
EGEN-5784I–II1NCT07429838
RTX001I–II1NCT06823713

Sorted by most advanced phase and number of active trials.

Approved drugs in new trials

Approved by the US FDA for at least one indication, not necessarily this disease, and now in active trials on it.

DrugMost advanced phaseActive trialsReference trial
RifaximinXifaxan®III2NCT05071716
NitazoxanideAlinia®III1NCT04161053
DiphenhydramineBenadryl, Benadryl Preservative Free®II1NCT04862221
MethylprednisoloneMethylprednisolon, MethylprenisoloneII1NCT04862221
PrednisolonePrednisolon, PrenisoloneII1NCT04862221

Sorted by most advanced phase and number of active trials.

All 7 drugs, with the details

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Broader categories

Source: Phuturdex analysis of ClinicalTrials.gov data (U.S. National Library of Medicine), updated 30 October 2026. Active trials = recruiting or ongoing, phases I–III, with at least one identified drug; phase and sites refer to the trials on this disease. Disease name: Wikidata; NLM MeSH term: D006501 “Hepatic Encephalopathy”.

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