An Observational/Non-interventional, Study of NS3/4a Protease and NS5A Protein of Hepatitis C Virus in Brazilian Participants With Chronic HCV Infection
MAPPING
Mapping Natural Polymorphisms of Hepatitis C Virus NS3/4A Protease and NS5A Region Among Brazilian Chronic Patients (MAPPING)
2 other identifiers
observational
239
1 country
6
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2016
Shorter than P25 for all trials
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 3, 2015
CompletedFirst Posted
Study publicly available on registry
November 5, 2015
CompletedStudy Start
First participant enrolled
March 1, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2016
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2016
CompletedFebruary 6, 2017
February 1, 2017
8 months
November 3, 2015
February 3, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Participants With HCV NS3/4a Protease and NS5A Protein
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
Study Arms (1)
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.
Eligibility Criteria
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.
You may qualify if:
- 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
You may not qualify if:
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Unknown Facility
Belém, Brazil
Unknown Facility
Goiânia, Brazil
Unknown Facility
Porto Alegre, Brazil
Unknown Facility
Porto Velho, Brazil
Unknown Facility
Salvador, Brazil
Unknown Facility
São Paulo, Brazil
Biospecimen
The total blood volume to be collected will be approximately 15 milliliters (mL) (3 tubes, 5mL each). Fasting is not required. The blood sample collection scheme was designed to collect the minimum number of blood samples that is necessary to accomplish the study objective. Blood samples will be frozen and incinerated 30 days after blood collection at the national central laboratory.
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Janssen-Cilag Ltd. Clinical Trial
Janssen-Cilag Ltd.
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 3, 2015
First Posted
November 5, 2015
Study Start
March 1, 2016
Primary Completion
November 1, 2016
Study Completion
November 1, 2016
Last Updated
February 6, 2017
Record last verified: 2017-02