UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000050125
Receipt number R000056039
Scientific Title Studies on the Efficacy of rifaximin for covert hepatic encephalopathy
Date of disclosure of the study information 2023/02/01
Last modified on 2024/01/26 09:39:54

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Basic information

Public title

Studies on the Efficacy of rifaximin for covert hepatic encephalopathy

Acronym

Rifaximin study

Scientific Title

Studies on the Efficacy of rifaximin for covert hepatic encephalopathy

Scientific Title:Acronym

Rifaximin study

Region

Japan


Condition

Condition

Covert hepatic encephalopathy

Classification by specialty

Hepato-biliary-pancreatic medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Studies on the Efficacy of Rifaximin for covert hepatic encephalopathy

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

improvement of stroop test

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Cluster

Blinding

Open -no one is blinded

Control

No treatment

Stratification

YES

Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Rifaximin

Interventions/Control_2

No treatment

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

20 years-old <=

Age-upper limit

75 years-old >

Gender

Male and Female

Key inclusion criteria

1. Patients diagnosed with cirrhosis. However, even if it is not cirrhosis, patients with portal vein general circulation short circuit can participate.
2. Japan patients whose age at the time of obtaining consent is 20 years of age or older and under 75 years of age.
3. Patients who have received a thorough explanation of the content of their research and obtained their written consent. However, if the attending physician determines that it is difficult to obtain consent due to the lack of consent ability of the person who should be the subject, etc., the applicant may participate in this study by obtaining the written consent of the substitute in addition to the written consent of the subject himself/herself.
4. Patients who can be hospitalized or visited at the necessary time during the research period.
5. The presence or absence of administration of synthetic disaccharides is not required.
6. The level of ammonia in the blood does not matter.

Key exclusion criteria

1. Patients with a mental illness (depression, mask depression, schizophrenia, dementia, etc.)
2. Patients diagnosed with malignant tumors and are undergoing treatment or untreated
3. Patients who have any of the following complications:
Ascites requiring regular drainage
Bleeding due to rupture of esophagus and gastric varicose veins
Idiopathic bacterial peritonitis
Severe electrolyte abnormalities that affect neuropsychiatric function
4. Patients with a history of hypersensitivity to rifaximin
5. Have serious complications listed below
Patients with severe renal impairment or end-stage renal failure under dialysis
Patients with uncontrolled conditions such as myocardial infarction, heart failure, angina pectoris, and arrhythmia
6. If a carnitine or zinc preparation is newly administered or the dose is changed between 4 weeks before the administration of rifaximin and 12 weeks after administration.
7. Pregnant women, lactating patients, and patients who may or intend to become pregnant
8. Patients with difficulty taking it orally
9. Other patients that the physician deems inappropriate to safely conduct this study
10. Patients with concomitant use of the following drugs (prohibited drugs: ethinylestradiol, cyclosporine).
11. Patients who have started antibiotics containing rifaximin or proton pump inhibitors within 12 weeks.

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Yasuhito
Middle name
Last name Tanaka

Organization

Kumamoto University

Division name

Department of Gastroenterology and Hepatology, Graduate School of Medical Sciences.

Zip code

860-8556

Address

1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan.

TEL

0963735150

Email

ytanaka@kumamoto-u.ac.jp


Public contact

Name of contact person

1st name Hiroki
Middle name
Last name Inada

Organization

Kumamoto University

Division name

Department of Gastroenterology and Hepatology, Graduate School of Medical Sciences.

Zip code

860-8556

Address

1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan.

TEL

0963735150

Homepage URL


Email

inada.hiroki@kuh.kumamoto-u.ac.jp


Sponsor or person

Institute

Kumamoto University

Institute

Department

Personal name



Funding Source

Organization

Kumamoto university

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The Human Ethics Review Committee of Kumamoto University

Address

1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan.

Tel

0963735657

Email

byi-senshin@jimu.kumamoto-u.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

熊本大学病院(熊本県)、北里大学病院(神奈川県)、手稲渓仁会病院(北海道)、愛媛県立中央病院(愛媛県)、長崎大学病院(長崎県)


Other administrative information

Date of disclosure of the study information

2023 Year 02 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

Enrolling by invitation

Date of protocol fixation

2023 Year 01 Month 10 Day

Date of IRB

2023 Year 01 Month 25 Day

Anticipated trial start date

2023 Year 02 Month 01 Day

Last follow-up date

2025 Year 12 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

2023 Year 01 Month 25 Day

Last modified on

2024 Year 01 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000056039


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name