An Observational/Non-interventional, Study of NS3/4a Protease and NS5A Protein of Hepatitis C Virus in Brazilian Participants With Chronic HCV Infection (MAPPING)

February 3, 2017 updated by: Janssen-Cilag Ltd.

Mapping Natural Polymorphisms of Hepatitis C Virus NS3/4A Protease and NS5A Region Among Brazilian Chronic Patients (MAPPING)

The purpose of this study is to describe the genetic diversity of Hepatitis C virus (HCV) NS3/4a protease and NS5A protein of HCV in participants with chronic disease naive-drug or previously failed to double therapy (Peg-interferon and Ribavirin) and to identify the frequency of natural polymorphisms in HCV NS3/4a protease and NS5A protein that are associated with direct-acting antivirals (DAAs)-resistance.

Study Overview

Status

Completed

Conditions

Detailed Description

This is a multicenter, observational/non-interventional, cross-sectional study to describe the genetic diversity of and to identify the natural polymorphisms in HCV NS3/4a protease and NS5A protein of hepatitis C virus in Brazilian participants with chronic HCV infection. Brazilian participants with Genotype 1 HCV infection treatment naive participants or previously failed to double therapy (Peg-interferon-α and Ribavirin) will be included in the trial and will constitute the trial population.

Study Type

Observational

Enrollment (Actual)

239

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

  • Brazil
      • Belém, Brazil
      • Goiânia, Brazil
      • Porto Alegre, Brazil
      • Porto Velho, Brazil
      • Salvador, Brazil
      • Sao Paulo, Brazil

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 to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Brazilian participants with Genotype 1 HCV infection treatment naive patients or previously failed to double therapy (Peg-interferon-α and Ribavirin) will be included in the trial.

Description

Inclusion Criteria:

  • Participants mono infected with chronic Hepatitis C infection (genotype 1), including naive patients or previously failed to double therapy (Peg-interferon-α and Ribavirin)
  • There is no restriction on fibrosis stage or clinical liver disease
  • There is no restriction for comorbidities
  • Male or female participants with age >=18 years

Exclusion Criteria:

  • Participants failed to triple therapy using protease inhibitors
  • Participants with co-infections (i.e. Human immunodeficiency virus, Hepatitis B virus)
  • Participants that are not agree to sign the written informed consent
  • Participants is taking part in an interventional clinical trial with an investigational agent (i.e. non-commercialized agent) or in an interventional clinical trial sponsored by Johnson & Johnson

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
Cohort 1
Brazilian participants with Genotype 1 HCV infection treatment naive participants or previously failed to double therapy (Peg-interferon-α and Ribavirin) will be included in the trial and will constitute the trial population.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of Participants With HCV NS3/4a Protease and NS5A Protein
Time Frame: Day 1
After extraction of HCV RNA from collected blood samples, the sequences of the NS3/4A and NS5A genes of HCV will be amplified by reverse transcription polymerase chain reaction (RTPCR) using specific primers for each genomic region. PCR products will be sequenced subsequently by direct sequencing. Detection of natural polymorphisms will be analyzed a comparison of the each sequence with the subtype consensus sequence.
Day 1

Collaborators and Investigators

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

Sponsor

Janssen-Cilag Ltd.

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

March 1, 2016

Primary Completion (Actual)

November 1, 2016

Study Completion (Actual)

November 1, 2016

Study Registration Dates

First Submitted

November 3, 2015

First Submitted That Met QC Criteria

November 3, 2015

First Posted (Estimate)

November 5, 2015

Study Record Updates

Last Update Posted (Estimate)

February 6, 2017

Last Update Submitted That Met QC Criteria

February 3, 2017

Last Verified

February 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CR107065
  • TMC435HPC4012 (Other Identifier: Janssen-Cilag Ltd.)

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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