Rifaximin Soluble Solid Dispersion (SSD) Tablets Plus Lactulose for the Treatment of Overt Hepatic Encephalopathy (OHE)

NCT ID: NCT03515044

Last Updated: 2023-04-13

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

71 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-09-13

Study Completion Date

2020-03-12

Brief Summary

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Study to Assess the Efficacy and Safety of Rifaximin Soluble Solid Dispersion (SSD) Tablets Plus Lactulose for the Treatment of Overt Hepatic Encephalopathy (OHE).

Detailed Description

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The primary objective of this study is to assess the efficacy of rifaximin SSD plus lactulose versus placebo plus lactulose for the treatment of overt hepatic encephalopathy (OHE). The secondary objectives of this study are to assess the safety of rifaximin SSD in subjects with OHE and to assess the effects of treatment with rifaximin SSD on key secondary endpoints.

Conditions

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Overt Hepatic Encephalopathy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized, Double-Blind, Placebo-Controlled, Dose-Ranging, Multicenter Study
Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators
Blinding will be maintained in the QD SSD cohorts by administering placebo as the second daily dose.

Study Groups

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Cohort 1 40 mg Rifaximin SSD once daily

40 mg Rifaximin immediate release (IR) rifaximin SSD once daily (QD) and lactulose

Group Type EXPERIMENTAL

40 mg Rifaximin SSD once daily

Intervention Type DRUG

SSD once daily (QD)

Cohort 2 40 mg Rifaximin SSD twice daily

40 mg Rifaximin immediate release (IR) rifaximin SSD twice daily (BID) and lactulose

Group Type EXPERIMENTAL

40 mg Rifaximin SSD twice daily

Intervention Type DRUG

SSD twice daily (BID)

Cohort 3 80 mg Rifaximin SSD once daily

80 mg Rifaximin sustained extended release (SER) rifaximin SSD once daily (QD) and lactulose

Group Type EXPERIMENTAL

80 mg Rifaximin SSD once daily

Intervention Type DRUG

SSD once daily (QD)

Cohort 4 80 mg Rifaximin SSD twice daiy

80 mg Rifaximin sustained extended release (SER) rifaximin SSD twice daily (BID) and lactulose

Group Type EXPERIMENTAL

80 mg Rifaximin SSD twice daily

Intervention Type DRUG

SSD twice daily (BID)

Cohort 5 Placebo twice daily

SSD placebo twice daily (BID) and lactulose

Group Type EXPERIMENTAL

Placebo

Intervention Type DRUG

Administered twice daily (BID)

Interventions

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40 mg Rifaximin SSD once daily

SSD once daily (QD)

Intervention Type DRUG

40 mg Rifaximin SSD twice daily

SSD twice daily (BID)

Intervention Type DRUG

80 mg Rifaximin SSD once daily

SSD once daily (QD)

Intervention Type DRUG

80 mg Rifaximin SSD twice daily

SSD twice daily (BID)

Intervention Type DRUG

Placebo

Administered twice daily (BID)

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Male or female age 18 to 75 years of age (inclusive) at the time of screening.
* Females of childbearing potential, defined as a female who is fertile following menarche, must have a negative serum pregnancy test at screening and agree to use an acceptable method of contraception throughout their participation in the study.

Note: Female subjects who have been surgically sterilized (e.g., hysterectomy or bilateral tubal ligation) or who are postmenopausal (defined as total cessation of menses for \> 1 year) will not be considered "female subjects of childbearing potential".

* Subject is hospitalized with liver cirrhosis and/or OHE and has a confirmed diagnosis of OHE at Baseline.
* Subject has a Grade 2 or Grade 3 HE episode according to the HE Grading Instrument (HEGI) following 8 to 12 hours of intravenous (IV) hydration and lactulose treatment.

Exclusion Criteria

* Subject has an uncontrolled major psychiatric disorder including major depression or psychoses as determined by the investigator.
* Subject has been diagnosed with an infection for which they are currently taking oral or parenteral antibiotics, which cannot be discontinued at time of enrollment. Note: Subjects currently taking Rifaximin are not excluded
* Subject shows presence of intestinal obstruction or has inflammatory bowel disease.
* Subject has uncontrolled Type 1 or Type 2 diabetes. Note: Subjects with controlled diabetes may be enrolled if they are on stable doses of oral hypoglycemic drugs for at least 3 months prior to screening, and demonstrate clinically acceptable blood glucose control at Baseline, as determined by the investigator.
* Subject has an active malignancy (exceptions: non-melanoma skin cancers).
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Bausch Health Americas, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Angela Bulawski

Role: STUDY_DIRECTOR

Bausch Health

Locations

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Bausch Health Site 18

Corona del Mar, California, United States

Site Status

Bausch Health Site 15

Los Angeles, California, United States

Site Status

Bausch Health Site 19

Los Angeles, California, United States

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Bausch Health Site 04

San Francisco, California, United States

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Bausch Health Site 13

Bristol, Connecticut, United States

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Bausch Health Site 08

Miami, Florida, United States

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Bausch Health Site 05

Chicago, Illinois, United States

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Bausch Health Site 33

Iowa City, Iowa, United States

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Bausch Health Site 03

Boston, Massachusetts, United States

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Bausch Health Site 07

Detroit, Michigan, United States

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Bausch Health 01

Detroit, Michigan, United States

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Bausch Health Site 25

Tupelo, Mississippi, United States

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Bausch Health Site 24

St Louis, Missouri, United States

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Bausch Health Site 27

Newark, New Jersey, United States

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Bausch Health Site 36

Brooklyn, New York, United States

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Bausch Health Site 09

New York, New York, United States

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Bausch Health Site 28

New York, New York, United States

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Bausch Health Site 17

Cincinnati, Ohio, United States

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Bausch Health Site 23

Columbus, Ohio, United States

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Bausch Health Site 11

Philadelphia, Pennsylvania, United States

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Bausch Health Site 26

Philadelphia, Pennsylvania, United States

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Bausch Health Site 10

Philadelphia, Pennsylvania, United States

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Bausch Health Site 12

Pittsburgh, Pennsylvania, United States

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Bausch Health Site 16

Charleston, South Carolina, United States

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Bausch Health Site 22

Dallas, Texas, United States

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Bausch Health Site 35

Dallas, Texas, United States

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Bausch Health Site 31

Dallas, Texas, United States

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Bausch Health Site 02

Houston, Texas, United States

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Bausch Health Site 37

Houston, Texas, United States

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Bausch Health Site 30

Richmond, Virginia, United States

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Bausch Health Site 06

Richmond, Virginia, United States

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Bausch Health Site 21

Seattle, Washington, United States

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Bausch Health Site 14

Seattle, Washington, United States

Site Status

Bausch Health Site 20

Milwaukee, Wisconsin, United States

Site Status

Countries

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United States

References

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Bajaj JS, Hassanein TI, Pyrsopoulos NT, Sanyal AJ, Rahimi RS, Heimanson Z, Israel RJ, Rockey DC. Dosing of Rifaximin Soluble Solid Dispersion Tablets in Adults With Cirrhosis: 2 Randomized, Placebo-controlled Trials. Clin Gastroenterol Hepatol. 2023 Mar;21(3):723-731.e9. doi: 10.1016/j.cgh.2022.05.042. Epub 2022 Jun 22.

Reference Type DERIVED
PMID: 35750249 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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RNHE2041

Identifier Type: -

Identifier Source: org_study_id

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