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Terminated Phase 2 Interventional

Efficacy and Safety of AXA1665 in Cirrhotic Subjects With Prior Overt Hepatic Encephalopathy

ClinicalTrials.gov ID: NCT04816916

Public ClinicalTrials.gov record NCT04816916. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 12:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of AXA1665 in Subjects With Liver Cirrhosis and Prior Overt Hepatic Encephalopathy (EMMPOWER)

Study identification

NCT ID
NCT04816916
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Axcella Health, Inc
Industry
Enrollment
12 participants

Conditions and interventions

Interventions

  • AXA1665 Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 28, 2021
Primary completion
Jun 29, 2022
Completion
Jun 29, 2022
Last update posted
Jul 26, 2022

2021 – 2022

United States locations

U.S. sites
21
U.S. states
11
U.S. cities
18
Facility City State ZIP Site status
University of California, San Francisco (UCSF) San Francisco California 94143
OMEGA Research Consultants DeBary Florida 32713
UF Hepatology Research at CTRB Gainesville Florida 32610
Homestead Associates in Research Miami Florida 33032
University of Miami Miami Florida 33136
Indiana University School of Medicine Indianapolis Indiana 46202
University of Iowa Iowa City Iowa 52242
Mercy Medical Center Baltimore Maryland 21202
New York University (NYU) School of Medicine New York New York 10016
Weill Medical College of Cornell University New York New York 10021
Cumberland Research Associates Fayetteville North Carolina 28304
University of Pittsburgh Medical Center Pittsburgh Pennsylvania 15213
Medical University of South Carolina (MUSC) Charleston South Carolina 29425
Optimed Research Edinburg Texas 78359
Baylor Scott & White Research Institute Fort Worth Texas 75246
Advanced Liver Therapies at St. Luke's Episcopal Hospital Houston Texas 77030
Pinnacle Clinical Research San Antonio Texas 78229
University of Virginia School of Medicine Charlottesville Virginia 22903
Bon Secours Liver Institute Newport News Virginia 23602
Virginia Commonwealth University Richmond Virginia 23114
McGuire Research Institute, Inc., McGuire VA Medical Center Richmond Virginia 23249

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 19 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04816916, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 26, 2022 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04816916 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →