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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02156570
Registration number
NCT02156570
Ethics application status
Date submitted
3/06/2014
Date registered
5/06/2014
Date last updated
21/09/2018
Titles & IDs
Public title
DAA-based Therapy for Recently Acquired Hepatitis C II (DAA = Directly Acting Antiviral)
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Scientific title
An Interferon Sparing Strategy of Sofosbuvir Plus Ribavirin for the Treatment of Recently Acquired Hepatitis C Infection
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Secondary ID [1]
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VHCRP1206
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Universal Trial Number (UTN)
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Trial acronym
DARE-C II
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Hepatitis C
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Condition category
Condition code
Infection
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Other infectious diseases
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Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Sofosbuvir and ribavirin
Experimental: Sofosbuvir and ribavirin - Sofosbuvir tablet 400 mg daily Ribavirin tablet weight based dosing (1000mg \<75 kg, 1200mg \>/= 75kg) daily
Treatment will be for 6 weeks in all participants.
Treatment: Drugs: Sofosbuvir and ribavirin
Sofosbuvir 400mg daily plus weight-based dosing ribavirin (1000mg \<75kg, 1200mg \>/= 75 kg) Treatment will be for 6 weeks in all participants.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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SVR 12
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Assessment method [1]
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Proportion of patients with undetectable HCV RNA by TaqMan 12 weeks after therapy completion (SVR 12 - Week 18)
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Timepoint [1]
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12 weeks post treatment
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Secondary outcome [1]
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SVR 24
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Assessment method [1]
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Proportion of patients with undetectable HCV RNA by TaqMan 24 weeks after therapy completion (SVR 24 - Week 30)
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Timepoint [1]
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24 weeks post treatment
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Eligibility
Key inclusion criteria
* Provision of written informed consent
* Male and female patients aged 18 years and above
* Willing to use two effective methods of contraception during the treatment period and 24 weeks post.
* HBsAg negative
* Detectable HCV RNA at screening (>10,000 IU/ml), and in the opinion of the investigator is unlikely to demonstrate spontaneous viral clearance
* Compensated liver disease (Child-Pugh A)
* Negative pregnancy test at screening and 24 hours prior to first dose of study drugs
* Medically stable on the basis of physical examination, medical history and vital signs
* Adequate English to provide reliable responses to the study questionnaires
* Recent hepatitis C infection, as defined by: A) i) First anti-HCV Ab or HCV RNA positive within the previous 6 months and ii) Documented anti-HCV Ab negative within the 24 months prior to anti-HCV antibody positive result, OR B) i) First anti-HCV Ab or HCV RNA positive within the previous 6 months and ii) acute clinical hepatitis (jaundice or ALT> 10 X ULN) within the previous 12 months prior to first positive HCV antibody or HCV RNA, with no other cause of acute hepatitis identifiable
If co-infection with HIV is documented, the subject must meet the following criteria:
* Antiretroviral (ARV) untreated for >8 weeks preceding screening visit with CD4 T cell count >500 cells/mm3 OR
* On a stable ARV regimen for >8 weeks prior to screening visit, with CD4 T cell count >200 cells/mm3 and an undetectable plasma HIV RNA level.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Standard exclusions to RBV therapy
* Pregnancy/lactation or male subjects whose female partners are pregnant
* Subject has a history of decompensated liver disease: history of ascites, hepatic encephalopathy, or bleeding oesophageal varices, and/or any of the following screening laboratory results: a.INR of =1.5; Serum albumin <3.3 g/dL; Serum total bilirubin >1.8 times upper limit of normal, unless isolated in subjects with Gilbert's syndrome.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/10/2014
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/12/2017
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Sample size
Target
20
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,SA,VIC
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Recruitment hospital [1]
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St Vincent's Hospital - Sydney
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Recruitment hospital [2]
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Royal Adelaide Hospital - Adelaide
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Recruitment hospital [3]
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Alfred Hospital - Melbourne
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Recruitment hospital [4]
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Royal Melbourne Hospital - Melbourne
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Recruitment postcode(s) [1]
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2010 - Sydney
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Recruitment postcode(s) [2]
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5000 - Adelaide
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Recruitment postcode(s) [3]
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3004 - Melbourne
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Recruitment postcode(s) [4]
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3050 - Melbourne
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Grafton
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Funding & Sponsors
Primary sponsor type
Government body
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Name
Kirby Institute
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of the study is to examine whether patients who have acute or early chronic hepatitis C virus (HCV) infection can be treated effectively and safely with an interferon-sparing regimen that combines a new direct acting antiviral drug (sofosbuvir) with one of the standard treatments for chronic hepatitis C (ribavirin). In particular, this study will investigate whether treatment of acute or early chronic HCV can be shortened. The study will assess efficacy by looking at the proportion of people who clear the virus (have no virus detectable in their blood) at the end of treatment, and 1, 3 and 6 months after treatment. The hypothesis is that short course (6 weeks) dual therapy using sofosbuvir and RBV will result in successful virological eradication in the majority (=80%) of subjects treated for recently acquired HCV.
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Trial website
https://clinicaltrials.gov/study/NCT02156570
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Gail Matthews, MbChB FRACP
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Address
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Kirby Institute
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02156570
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