Assessment of Patients With Hepatitis C Virus Related Liver Cirrhosis After Sustained Response to Direct Acting Anti Viral Drugs.

August 5, 2017 updated by: Ibrahim Taha, Assiut University

Assessment of Hepatic Fibrosis, Hemodynamics, and Disease Severity of Patients With Hepatitis C Virus Related Liver Cirrhosis After Sustained Response to Direct Acting Anti Viral Drugs.

Hepatitis C Virus (HCV) infection is a major global health challenge; it is estimated that more than 80 million people are chronically infected worldwide, with 3-4 million new infections and 350,000 deaths occurring each year because of HCV-related complications .

Study Overview

Detailed Description

In 2015, a national Egyptian health issue survey was conducted to describe the prevalence of hepatitis C virus infection. The prevalence of hepatitis C virus antibody was found to be 10.0% and that of Hepatitis C virus Ribonucleic acid (HCV RNA ) to be 7.0% in the age group between 15-59 years. While In children, 1-14 years old, the prevalence of Hepatitis C virus (HCV) antibody and Hepatitis C virus Ribonucleic acid (HCV RNA) were 0.4% and 0.2% respectively.

The primary goal of HCV therapy is to cure the infection, i.e. to achieve a sustained virological response (SVR) defined as undetectable Hepatitis C virus Ribonucleic acid (HCV RNA )12 weeks or 24 weeks after treatment completion. The infection is cured in more than 99% of patients who achieve asustained virological response (SVR). Asustained virological response (SVR) is generally associated with normalization of liver enzymes and improvement or disappearance of liver necroinflammation and fibrosis in patients without cirrhosis. Patients with severe liver disease remain at risk of life-threatening complications; however hepatic fibrosis may regress and the risk of complications such as hepatic failure and portal hypertension is reduced .

Previous data suggest that the risk of Hepatocellular carcinoma and all-cause mortality is significantly reduced, but not eliminated, in cirrhotic patients who clear Hepatitis C Virus compared to untreated patients and non-sustained virological responders . Hepatitis C Virus is also associated with a number of extrahepatic manifestations and effective viral suppression induces reversal of most of them .

Studies in those with hepatitis C-related decompensated cirrhosis have demonstrated that sustained virological response can indeed be achieved in the majority of these individuals, and short-term follow-up from these studies has shown that Sustained virological response is often accompanied by improvement in measures of decompensation including Model for End-Stage Liver Disease (MELD) score and Child-Turcotte-Pugh (CPT) score. Moreover, because hepatitis C recurrence after Orthotopic liver transplantation is associated with worse outcomes, achieving Sustained virological response before transplant in a decompensated population with chronic hepatitis C will likely allow these patients to achieve long-term outcomes not different from non-Hepatitis C virus-infected populations .

In the SOLAR-1 and SOLAR-2 studies, those with decompensated cirrhosis with genotypes 1 and 4 were randomized to receive sofosbuvir/ledipasvir with low-dose ribavirin for 12 or 24 weeks . No difference was seen in Sustained virological response in the 12- or 24-week arms, and the therapy was well tolerated. Moreover, these studies both reported improvement in Model for End-Stage Liver Disease (MELD) score and Child-Turcotte-Pugh (CPT) scores 4 weeks after therapy had been stopped with longer-term follow-up results expected.

Liver stiffness measurement by transient elastography is a noninvasive, painless, rapid, and objective method for the evaluation of fibrosis or cirrhosis . Systemic reviews and meta-analyses have demonstrated the high sensitivity and specificity of Liver stiffness measurement in the diagnosis of hepatic cirrhosis.

In a systematic review conducted at 2007, repoted that at a threshold of approximately 0.60, the sensitivity and specificity of the FibroTest were 47% (35-59%) and 90% (87-92%). For FibroScan (threshold approximately 8 kPa), corresponding values were 64% (50-76%) and 87% (80-91%), respectively.

In another systematic review conducted at 2010, reported that the pooled estimates for sensitivity of fibroscan were 87% (84%-90%), specificity 91% (89%-92%) in stage IV fibrosis (cirrhosis). While in patients with stages II-IV fibrosis, they reported that the pooled estimates for sensitivity were 70% (67%-73%), specificity 84% (80%-88%).

Multicenter observational, cohort, prospective study included 90 patients with hepatitis C genotype 1 treated with telaprevir or boceprevir who had advanced fibrosis evidenced by liver stiffness and achieved Sustained virological response reported that liver stiffness was significantly reduced 2 weeks after treatment. This suggested the possibility of liver cirrhosis regression evidenced by liver stiffness after sustained virological response in a significant proportion of patients .

In a study included 182 Egyptian patients with HCV infection to validate and compare the diagnostic performance of Fibroscan , APRI Score , FIB4 for the prediction of hepatic fibrosis and treatment outcome in HCV infected patients receiving pegylated interferon and ribavirin, the authors reported that Fibroscan and noninvasive scores as APRI , FIB4 can be used as good predictors of liver fibrosis in chronic hepatitis C. However, they are not good predictors of response to pegylated interferon and ribavirin .

In a study 2010, they concluded that liver stiffness measurement can be useful for monitoring regression of liver fibrosis during entecavir treatment in patients with chronic hepatitis B virus infection.

A few studies showed a consistent relationship between Doppler Ultrasonography findings and liver histology. showed that Doppler Ultrasound findings are sensitive to haemo dynamic changes in liver fibrosis. Doppler Ultrasonography scoring was significantly related to liver fibrosis staging.

The Doppler Ultrasound signs for portal hypertension are: (1) reduced portal vein blood flow velocity (time-averaged mean vel. < 14-16 cm/s2), with sensitivity and specificity between 80-88% and 80-96%, respectively; (2) portal vein congestion index > 0.08. This parameter, however, is not used routinely, probably due to its being difficult to measure and its lower reproducibility; and (3) measurements of the hepatic arterial Resistive Index are less useful. In the course of Liver cirrhosis, the appearance of clinically significant portal hypertension worsens prognosis and Doppler ultrasound is very useful in evaluating portal hypertension. . astudy showed a significant reverse correlation between the velocities of the main portal vein and fibrous staging of the liver.

Study Type

Observational

Enrollment (Anticipated)

100

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Assuit, Egypt, 71111
        • Assuit Unit of Treatment of Viral Hepatitis.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

100 patients with chronic hepatitis C virus related liver cirrhosis who achieved Sustained virological response after direct acting antiviral drugs (Sofosbuvir, Daclatasvir ± Ribavirin) and other available suitable regimens for 12 or 24 weeks will be selected from Assuit unit of treatment of viral hepatitis.

Description

Inclusion Criteria:

  1. Age: ≥ 18 years.
  2. Disease status: patients with hepatitis C Virus related liver cirrhosis child A& B (scores 5-9).
  3. Previous treatment: treatment naïve and treatment experienced.
  4. HCV RNA: Negative at any point between 12-24 weeks post treatment to confirm successful eradication of the virus.
  5. Negative HBsAg and HIV antibody.
  6. Normal kidney function test

Exclusion Criteria:

  1. Child C liver cirrhosis (Child score ≥ 10).
  2. HCV coinfection with HBV or HIV.
  3. Patients with high risk of infection (I.V drug users, patients with blood disease requiring blood transfusion).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Patients with hepatitis c virus related liver cirrhosis
Patients with chronic hepatitis C virus whose ultrasound shows liver cirrhosis, fibroscan "F3 and F4, Child score "A and B", of any MELD score, who achieved Sustained Virological Response after direct acting antiviral drugs (Sofosbuvir, Daclatasvir ± Ribavirin).
Abdominal ultrasound for each patient before and after treatment.
Model for End-Stage Liver Disease before and after treatment.
Liver stiffness by Fibro scan before and after treatment.
Child-Turcotte-Pugh score before and after treatment

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes in liver fibrosis
Time Frame: 1 year.
Using non-invasive measures "Fibroscan"
1 year.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes occurring in liver haemodynamics
Time Frame: 1 year.
Using Doppler ultrasound.
1 year.
Changes in severity of liver disease
Time Frame: 1 year
Using Child-Pugh score.
1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Ibrahim Taha, MSc, Assiut University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Anticipated)

December 1, 2017

Primary Completion (Anticipated)

January 1, 2019

Study Completion (Anticipated)

March 1, 2019

Study Registration Dates

First Submitted

August 3, 2017

First Submitted That Met QC Criteria

August 5, 2017

First Posted (Actual)

August 8, 2017

Study Record Updates

Last Update Posted (Actual)

August 8, 2017

Last Update Submitted That Met QC Criteria

August 5, 2017

Last Verified

August 1, 2017

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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