CClinicalTrials.gg
Status unknownNCT05788627Updated Apr 5, 2023

Effectiveness of Oral Lactulose Versus Lactulose Enema in Hepatic Encephalopathy

A Phase 4 interventional study of Tap water and Lactulose in Hepatic Encephalopathy and Chronic Liver Disease, sponsored by Khyber Medical College, Peshawar. Status unknown. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2023-04-05.

Sponsored by Khyber Medical College, Peshawar · Phase 4, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Apr 2023), so the status shown — last known as Not yet recruiting — may be out of date.
Phase
Phase 4
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

Patients with chronic liver disease due to hepatitis B or C viruses, Non-alcoholic fatty liver disease, autoimmune hepatitis, wilson disease, cryptogenic hepatitis etc are prone to develop complications. Hepatic encephalopathy is one of such complications. It is graded into four types depending on severity of clinical features, which range through altered sleep pattern to coma. The current study aims to compare the effectiveness of lactulose enema with oral lactulose in time to recovery from higher grade of encephalopathy to lower grade of encephalopathy.

Read the detailed description

Hepatic encephalopathy (HE) is defined as neuropsychiatric disorder due to liver failure. It is characterized by mild cognitive impairment, stupor and coma. The most common reasons for pathogenesis include the role of neurotoxins, impaired neurotransmission due to metabolic changes in liver failure, changes in brain energy metabolism, systemic inflammatory response and alterations of the blood brain barrier. Neurotoxin ammonia is related to precipitating HE, for which the gastrointestinal tract is the primary source. Colonic bacteria catabolise the nitrogenous sources into ammonia.

Lactulose is the initial treatment for HE. It produces diarrhea by osmosis and reduces pH of colonic contents, which leads to reduced absorption of ammonia by converting it to ammonium ion (NH4). Understandingly, it does not cure the underlying liver disease however, it does prevent deterioration of the mental status in HE.

Initial oral dose of lactulose is 30 ml once a day or twice daily. For retention enema the dose is 300 ml lactulose plus 700 ml water, administered every 4 hours. It can be increased as tolerated. At least, 2-4 loose stools per day should be passed by the patient.

Lactulose is also effective as primary prophylaxis against the development of HE.

Constipation is one very common precipitating factor for hepatic encephalopathy which is routinely managed with oral lactulose or kleen enema (21.4g (18.1% w/v) Sodium Dihydrogen Phosphate Dihydrate and 9.4g (8.0% w/v) Disodium Phosphate Dodecahydrate). Lactulose enema is also given to patients in hepatic encephalopathy either alone or in combination with oral lactulose. However it is not clear whether there is any difference in the efficacy of oral or enema lactulose in patients with hepatic encephalopathy in terms of improvement of encephalopathy grade and time to improvement. This study aims to determine the efficacy of oral versus enema lactulose in the achievement of these goals.

02

Conditions studied

  • Hepatic Encephalopathy
  • Chronic Liver Disease
03

In context

Liver Diseases

2,081 studies on the registry are indexed under Liver Diseases; 390 are open to participants now.

This study's planned enrollment of 100 is above the median of 50 across 1,323 interventional studies indexed under Liver Diseases.

Browse Liver Diseases studies →

Lead sponsor

Khyber Medical College, Peshawar is the lead sponsor of 5 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Male and female cirrhotic patients in grades 3 or 4 of hepatic encephalopathy
  • Patient with constipation as the precipitating factor will be included in the study

Exclusion criteria

Exclusion Criteria:

  • Patients with dehydration
  • Electrolyte abnormalities
  • Spontaneous bacterial peritonitis (SBP),
  • Fever
  • Using sedative / hypnotic medications as predisposing factors for hepatic encephalopathy
05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Investigator)
Enrollment
100 participants (estimated)

Study arms

  • Placebo comparator
    Placebo arm / tap water enema arm

    This arm will receive oral lactulose as per treatment protocol for hepatic encephalopathy i.e. 30ml twice daily. And will receive tap water enema as placebo i.e. 1000ml tap water enema twice daily.

    Drug: Tap water

  • Experimental
    Lactulose enema arm

    This arm will receive oral lactulose in a dose of 30ml twice daily alongwith lactulose enema (300ml lactulose plus 700ml water) twice daily.

    Drug: Lactulose

Interventions

  • DrugTap water

    Oral lactulose in a dose of 30ml BD and tap water enema 1000ml BD

    Also known as: tap water enema

  • DrugLactulose

    Oral lactulose in a dose of 30ml BD and lactulose enema (300ml lactulose and 700ml water) in a dose of 1000ml BD.

    Also known as: Lactulose enema

06

What researchers measure

Primary outcomes

  1. Change in grade of hepatic encephalopathy

    Change in HE grade from grade 4 to grade 3 or grade 3 to grade 2

    Time frame: Over 48 hours

Secondary outcomes

  1. Relief of constipation

    Frequency of 2-3 soft stools per 24 hours

    Time frame: Over 48 hours

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: Yes — Patients confidentiality shall be maintained at all stages. Other patient characteristics e.g grade of encephalopathy, serum ammonia levels before and after initiation of intervention, response to lactulose enema can be shared if required.

Supporting information: Study protocol, Sap, Icf, Csr

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 5, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05788627
Lead sponsor
Khyber Medical College, Peshawar
Responsible party
Sponsor
First posted
Mar 29, 2023
Start date
Apr 2023 (estimated)
Primary completion
Sep 2023 (estimated)
Completion
Nov 2023 (estimated)
Last update
Apr 5, 2023

Study contacts

Aliena Badshah
Contact
aliena.badshah@kmc.edu.pk
0092-335-5950615
Aliena Badshah
principal investigator · Khyber Medical College

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Apr 2023. You cannot join it, but the record below documents what was studied.

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