Changes in gUt micRobiota After Enteral Feeding (in Alcoholic Hepatitis)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

6 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-09-01

Study Completion Date

2023-04-21

Brief Summary

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Drinking large amount of alcohol can cause damage to the liver. If the liver is severely injured by alcohol it can become very inflamed and this condition is called alcoholic hepatitis. Alcoholic hepatitis can be life threatening. There is no cure for alcoholic hepatitis. It is known that stop drinking and have good nutrition can help the liver to recover.

Infections are very common for people who suffer from alcoholic hepatitis. Sometimes these infection can be very severe. It is not always possible to find out where the infection is coming from. But the bacteria living in the bowel may move to other organs causing these infections and an illness like alcoholic hepatitis can cause "bad bacteria" to take over from "good bacteria" in the gut.

This study wants to understand the changes in the bacteria in the bowel of people who have an acute inflammation of the liver cause by alcohol (alcoholic hepatitis).

The investigators will take stool samples from patients admitted in the hospital with alcoholic hepatitis. The investigators will run tests on the stools that can find out which bacteria live in the bowel. Its is expected to find these bacteria to be different from the ones living in the bowel of healthy people. The investigators are interested to see if these bacteria change once the patients are given good nutrition using a small tube from the nose to the stomach. This type of nutrition is used routinely to help improve the liver in severe alcoholic hepatitis. The investigators will take some more stool sample from these patients after the nutrition through the tube has started to check how the bacteria change with nutrition.

Better tools to check the bacteria in the bowel are now available so this can help the investigators to understand better if changing bacteria in the bowel can help recovery in alcoholic hepatitis.

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Detailed Description

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Subjects admitted to hospital with a diagnosis of alcoholic hepatitis and who are planned to receive nasogastric feeding for at least 7 days will be eligible for the study.

A stool sample will be collected prior to commence enteral nutrition via nasogastric tube and analysed. Subsequently further stool samples will be collected and analysed at day 3 and day 7 after commencing nasogastric feeding.

DNA will be extracted from each of the samples, and bacterial 16S rRNA genes will be PCR amplified and sent for sequencing at the CGEBM using an Illumina MiSeq machine. This will generate at least 2 million paired end reads (2 x 300 bp), which will be assembled and analysed using the Mothur software platform.The investigators will also analyse the short chain fatty acids profiles within the stool samples using gas chromatography. Shannon Diversity Index will be used to assess the bacterial diversity and Pielou's index will be used to assess species evenness at each time point. Comparison between time points will be performed. Microbiota composition at the different time points will be assessed using Mothur software to detect if there are systematic changes to specific members of the gut microbiota during enteral feeding. Prevalence by different molecular methodologies will be assessed and the results from study patients will be compared with their baseline samples by Fisher's exact test.

Missing data will be handled using a missing indicator.

Subjects will be approached by the team in charge of the clinical care and option to enter the study will be offered. Information leaflet will be provided to the subject 24h before consenting and possibility to discuss with trial team.

Data will be collected by authorised members of trial team in a fit for purpose ad hoc password protected excel data base as eCRF. Source data will be electronic patient file or paper case notes. Source data of microbiome analysis will be computer report. Accuracy of data entry will be checked by a separate delegated member of the team. External monitoring occurs at a regular basis for clinical trial arrange by sponsor.

Patient confidentiality will be maintained at all time. No identifiable data will be collected. eCRF will be password protected and stored in encrypted hospital computer protected by password. consent or other paper documentation will be kept separate in locked cabinets within the premises of the hospital.

Adverse Events reporting will be performed by a competent and delegated member of staff, according to our sponsor standard operating procedure and recorded.

Conditions

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Alcoholic Hepatitis

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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subjects

subjects with alcoholic hepatitis receiving NG feeding

NG feeding

Intervention Type DIETARY_SUPPLEMENT

NG feeding

Interventions

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NG feeding

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Adults patients: age 16 and above
* Diagnosis of alcoholic hepatitis confirmed by treating hepatologists and defined as:
* Bilirubin \>80 umol/l
* Documented history of continuing alcohol harmful use
* ALT\< 500 umol/L
* Clinical decision to start NG feeding and prospect to continue NG feeding \>3 days

Exclusion Criteria

* Age \<16
* Hepatocellular carcinoma
* Pregnancy and breastfeeding
* Inability to provide informed consent
* Any reasons in the opinion of the investigator which can compromise participation in the trial or affect patient health

Minimum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No