UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044657
Receipt number R000050332
Scientific Title Efficacy and safety of Rifaximin for the treatment of liver cirrhosis with covert hepatic encephalopathy
Date of disclosure of the study information 2021/07/01
Last modified on 2023/12/27 09:55:13

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Basic information

Public title

Efficacy and safety of Rifaximin for the treatment of liver cirrhosis with covert hepatic encephalopathy

Acronym

Covert encephalopathy and Rifaximin

Scientific Title

Efficacy and safety of Rifaximin for the treatment of liver cirrhosis with covert hepatic encephalopathy

Scientific Title:Acronym

Covert encephalopathy and Rifaximin

Region

Japan


Condition

Condition

Liver cirrhosis

Classification by specialty

Medicine in general Hepato-biliary-pancreatic medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Evaluating the efficacy of rifaximin in the treatment of liver cirrhosis with covert hepatic encephalopathy

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The purpose of this study is to evaluate the efficacy of the Number connection test-A in improving liver cirrhosis with covert hepatic encephalopathy. Patients will be evaluated before, 4 weeks after, 8 weeks after, and 12 weeks after rifaximin administration.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

The study subjects will be orally administered 400 mg of rifaximin three times a day after each meal. The administration period will be 12 weeks.

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

40 years-old <=

Age-upper limit

80 years-old >

Gender

Male and Female

Key inclusion criteria

1. Diagnosed as liver cirrhosis (one of the following is recognized)
1) Diagnosed as liver cirrhosis by liver biopsy
2) Imaging findings typical of liver cirrhosis (irregularity of the liver surface, blunting of the margins, presence of uneven, coarse, or regenerated nodules in the liver parenchyma, findings of portal hypertension such as splenomegaly, dilatation of the splenic veins, and collateral blood vessels, and changes in the shape of the liver such as atrophy of the right lobe of the liver, atrophy of the medial zone of the liver, and enlargement of the lateral zone)
3) Typical endoscopic findings (esophagogastric varices, portal hypertensive gastropathy, etc.)
4) Platelet count of 150,000/mm3 or less
5) Vs measured by Virtual Touch Tissue Quantification (VTTQ) is 1.75 m/s or more, or Vs measured by Shear Wave Measurement (SWM) is 1.617 m/s or more.
6) APRI is greater than or equal to 1.
2. Hyperammonemia is present.
3. Without overt hepatic encephalopathy, and being diagnosed as covert hepatic encephalopathy by neuropsychiatric function tests (Number connection test-A and B, Stroop test)
4. Patients aged 40 years or older but less than 80 years at the time of consent.
5. Patient's written consent has been obtained.

Key exclusion criteria

1. Patients who are not in a clear state of consciousness
2. Patients with psychiatric disorders (depression, masked depression, schizophrenia, dementia, etc.)
3. Patients with malignant tumors including hepatocellular carcinoma
4. Patients with any of the following complications
1) Ascites requiring periodic drainage
2) Bleeding due to rupture of esophageal or gastric varices
3) Spontaneous bacterial peritonitis
4) Severe electrolyte abnormalities that may affect neuropsychiatric function
5. Patients with a history of hypersensitivity to rifaximin
6. Patients with the following serious complications
1) Patients with severe renal dysfunction or end-stage renal failure on dialysis
2) Patients with poorly controlled myocardial infarction, heart failure, angina pectoris, arrhythmia, etc.
7. New administration or change in dosage of synthetic disaccharides, carnitine, zinc, or laxatives between 4 weeks before and 12 weeks after administration of rifaximin
8. Pregnant women, lactating women, and patients who may or intend to become pregnant
9. Patients who have difficulty in oral intake
10. Other patients who are deemed by the physician to be inappropriate for the safe conduct of this study

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Masayuki
Middle name
Last name Kitano

Organization

Wakayama Medical University

Division name

Department of Gastroenterology

Zip code

641-0012

Address

811-1 Kimiidera, Wakayama City

TEL

073-441-0627

Email

kitano@wakayama-med.ac.jp


Public contact

Name of contact person

1st name Shiori
Middle name
Last name Kaji

Organization

Wakayama Medical University

Division name

Department of Gastroenterology

Zip code

641-0012

Address

811-1 Kimiidera, Wakayama City

TEL

073-441-0627

Homepage URL


Email

s.kaji@wakayama-med.ac.jp


Sponsor or person

Institute

Wakayama Medical University

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Wakayama Medical University Research Ethics Committee

Address

811-1 Kimiidera, Wakayama City

Tel

073-447-2300

Email

wa-rinri@wakayama-med.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2021 Year 07 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2021 Year 05 Month 26 Day

Date of IRB

2021 Year 03 Month 31 Day

Anticipated trial start date

2021 Year 08 Month 01 Day

Last follow-up date

2026 Year 07 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2021 Year 06 Month 25 Day

Last modified on

2023 Year 12 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050332


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name