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Chronic Hepatitis CPhase 4NCT00540345

Four Arms, Multicenter Study of Tailored Regimens With Peginterferon Plus Ribavirin for Genotype 2 Chronic Hepatitis C

A Phase 4 study testing pegylated interferon alpha 2a and plus ribavirin, Pegylated interferon alfa-2a and ribavirin and pegylated interferon alpha 2a and ribavirin in people with Chronic Hepatitis C, run by Kaohsiung Medical University Chung-Ho Memorial Hospital at 1 site in Taiwan.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purposes of this study are: 1. To evaluate the efficacy and safety of low-dose versus standard-dose of ribavirin in combination with peginterferon alfa-2a given for 16 weeks in hepatitis C virus (HCV) genotype 2 infected, treatment-naïve chronic hepatitis C patients after achieving a rapid virologic response… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Chronic Hepatitis C
What is being tested?
pegylated interferon alpha 2a and plus ribavirin, Pegylated interferon alfa-2a and ribavirin and pegylated interferon alpha 2a and ribavirin
Could I receive a placebo?
No, everyone receives an active treatment
How many people
300 participants
Where
1 siteTaiwan
Study dates
Oct 2006to Dec 2013
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male and female patients 18 years of age
  • Patients have never been treated with traditional interferon plus ribavirin or peginterferon plus ribavirin
  • Serologic evidence of chronic hepatitis C infection by an anti-HCV antibody test
  • Detectable serum HCV-RNA and HCV viral genotype 2
  • Liver biopsy findings consistent with the diagnosis of chronic hepatitis C infection with or without compensated cirrhosis (Exception: hemophiliacs in whom biopsy is medically contra-indicated do not require biopsy.)
  • Compensated liver disease (Child-Pugh Grade A clinical classification)
  • Negative urine or blood pregnancy test (for women of childbearing potential) documented within the 24-hour period prior to the first dose of study drug
  • All fertile males and females receiving ribavirin must be using two forms of effective contraception during treatment and during the 6 months after treatment end

Who cannot join

  • Women with ongoing pregnancy or breast feeding
  • Therapy with any systemic anti-neoplastic or immunomodulatory treatment (including supraphysiologic doses of steroids and radiation) 6 months prior to the first dose of study drug
  • Any investigational drug 6 weeks prior to the first dose of study drug
  • Co-infection with active hepatitis A, hepatitis B and/or human immunodeficiency virus (HIV)
  • History or other evidence of a medical condition associated with chronic liver disease other than HCV (e.g., hemochromatosis, autoimmune hepatitis, metabolic liver disease, alcoholic liver disease, toxin exposures)
  • Signs or symptoms of hepatocellular carcinoma
Show all 20Show fewer
  • History or other evidence of bleeding from esophageal varices or other conditions consistent with decompensated liver disease
  • Neutrophil count < 1500 cells/mm3 or platelet count < 90,000 cells/mm3 at screening
  • Serum creatinine level > 1.5 times the upper limit of normal at screening
  • History of severe psychiatric disease, especially depression. Severe psychiatric disease is defined as treatment with an antidepressant medication or a major tranquilizer at therapeutic doses for major depression or psychosis, respectively, for at least 3 months at any previous time or any history of the following: a suicidal attempt, hospitalization for psychiatric disease, or a period of disability due to a psychiatric disease
  • History of a severe seizure disorder or current anticonvulsant use
  • History of immunologically mediated disease, chronic pulmonary disease associated with functional limitation, severe cardiac disease, major organ transplantation or other evidence of severe illness, malignancy, or any other conditions which would make the patient, in the opinion of the investigator, unsuitable for the study
  • History of thyroid disease poorly controlled on prescribed medications, elevated thyroid stimulating hormone (TSH) concentrations with elevation of antibodies to thyroid peroxidase and any clinical manifestations of thyroid disease
  • Evidence of severe retinopathy (e.g. CMV retinitis, macula degeneration)
  • Evidence of drug abuse (including excessive alcohol consumption) within one year of study entry
  • Inability or unwillingness to provide informed consent or abide by the requirements of the study
  • Male partners of women who are pregnant
  • Hgb < 11 g/dL in women or < 12 g/dL in men at screening
  • Any patient with major thalassemia
  • Patients with documented or presumed coronary artery disease or cerebrovascular disease should not be enrolled if, in the judgment of the investigator, an acute decrease in hemoglobin by up to 4 g/dL (as may be seen with ribavirin therapy) would not be well-tolerated

Trial locations and contacts

1 site in 1 country.

Taiwan1 site
  • Kaohsiung Medical University Hospital

    Kaohsiung City, 807

Other trials in Taiwan

About this study

Official title: Four Arms, Multicenter, Open Label Study of Tailored Regimens With Peginterferon Plus Ribavirin for Genotype 2 Chronic Hepatitis C

The purposes of this study are:

  1. To evaluate the efficacy and safety of low-dose versus standard-dose of ribavirin in combination with peginterferon alfa-2a given for 16 weeks in hepatitis C virus (HCV) genotype 2 infected, treatment-naïve chronic hepatitis C patients after achieving a rapid virologic response (RVR,defined as seronegativity of HCV RNA at week 4 of treatment).
  2. To evaluate the efficacy and safety of 24-week versus 48-week regimen of peginterferon alfa-2a plus standard-dose of ribavirin in HCV genotype 2 infected, treatment-naïve chronic hepatitis C patients who have no RVR.
Read the detailed description

The recommended regimen for treating HCV genotype 2 patients is peginterferon plus low dose ribavirin (800 mg/day) for 24 weeks. Recently studies have demonstrated that a shorter treatment duration of 12-16 weeks of peginterferon plus standard weight-based dose of ribavirin (800-1400 mg/day) is as effective as a 24-week regimen among HCV genotype 2 patients with a RVR at week 4 of treatment (rate of sustained virological response, SVR, approximately 90%). However, for patients without a RVR at week 4 the efficacy of 24 week treatment remains unsatisfied. Individualized therapy with tailored regimen according to baseline and on-treatment virological factors, without compromising efficacy, is the future strategy in the management of chronic hepatitis C.

The aims of the present study are

  1. To evaluate the efficacy and safety of low-dose versus standard-dose of ribavirin in combination with peginterferon alfa-2a given for 16 weeks in hepatitis C virus (HCV) genotype 2 infected, treatment-naïve chronic hepatitis C patients after achieving a rapid virologic response (RVR,defined as seronegativity of HCV RNA at week 4 of treatment).
  2. To evaluate the efficacy and safety of 24-week versus 48-week regimen of peginterferon alfa-2a plus standard-dose of ribavirin in HCV genotype 2 infected, treatment-naïve chronic hepatitis C patients who have no RVR.
Being tested
pegylated interferon alpha 2a and plus ribavirin, Pegylated interferon alfa-2a and ribavirin, pegylated interferon alpha 2a and ribavirin
Keywords
chronic hepatitis C, genotype 2, rapid virological response, sustained virological response, peginterferon, ribavirin, treatment duration
Medical subject headings
Hepatitis C, Chronic

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • pegylated interferon alpha 2a and plus ribavirinDrug

    Also called PEGASYS®

    pegylated interferon alpha 2a 180 mcg/week and Ribavirin 1000-1200 mg/day for 4 weeks followed by pegylated interferon alpha 2a 180 mcg/week and Ribavirin 800 mg/day for 12 weeks, follow up for 24 weeks

  • Pegylated interferon alfa-2a and ribavirinDrug

    Also called PEGASYS®

    pegylated interferon alfa-2a 180 mcg/week and Ribavirin 1000-1200 mg/day for 16 weeks, follow up for 24 weeks

  • pegylated interferon alpha 2a and ribavirinDrug

    Also called PEGASYS®

    pegylated interferon alpha 2a 180 mcg/week and Ribavirin 1000-1200 mg/day for 24 weeks, follow up for 24 weeks

  • pegylated interferon alpha 2a and ribavirinDrug

    Also called PEGASYS®

    pegylated interferon alpha 2a 180 mcg/week and Ribavirin 1000-1200 mg/day for 48 weeks, follow up for 24 weeks

Study groups in NCT00540345
Study groupRoleWhat they receive
A, RVR LD RBVActive comparatorPatients who have a RVR will be randomized into two groups with a ratio of 1:1 (Arm A \& B)B, RVR SD RBV A, RVR LD RBV B, RVR SD RBV
Receives: Drug: pegylated interferon alpha 2a and plus ribavirin
B, RVR SD RBVActive comparatorPatients who have a RVR will be randomized into two groups with a ratio of 1:1 (Arm A \& B)B, RVR SD RBV
Receives: Drug: Pegylated interferon alfa-2a and ribavirin
C, non-RVR 24wActive comparatorFor patients who do not have a RVR will be randomized into two groups with a ratio of 1:1 (Arm C \& D) (C, non-RVR 24w) (D, non-RVR 48w)
Receives: Drug: pegylated interferon alpha 2a and ribavirin
D, non-RVR 48wActive comparatorFor patients who do not have a RVR will be randomized into two groups with a ratio of 1:1 (Arm C \& D)(C, non-RVR 24w) (D, non-RVR 48w)
Receives: Drug: pegylated interferon alpha 2a and ribavirin

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Efficacy - Rapid virologic response (RVR), HCV RNA seronegative by PCR at week 4 Sustained virological response (SVR), HCV RNA seronegative by PCR throughout 24-week off-treatment period

    Measured: 1.5 year

Secondary outcomes (1)
  1. Safety - adverse event rate and profile

    Measured: 1.5 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Oct 2007 (estimated)
  2. Study startOct 2006
  3. Primary completionDec 2013
  4. Study completionDec 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
300 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00540345
Sponsor's protocol ID
KMUH-IRB-960057
Status last verified
Dec 2014
First submitted
5 Oct 2007
Last updated
30 Dec 2014
Results posted
No
Data monitoring committee
Yes

Publications

  • Mangia A, Santoro R, Minerva N, Ricci GL, Carretta V, Persico M, Vinelli F, Scotto G, Bacca D, Annese M, Romano M, Zechini F, Sogari F, Spirito F, Andriulli A. Peginterferon alfa-2b and ribavirin for 12 vs. 24 weeks in HCV genotype 2 or 3. N Engl J Med. 2005 Jun 23;352(25):2609-17. doi: 10.1056/NEJMoa042608.

    PubMed 15972867
  • Dalgard O, Bjoro K, Hellum KB, Myrvang B, Ritland S, Skaug K, Raknerud N, Bell H. Treatment with pegylated interferon and ribavarin in HCV infection with genotype 2 or 3 for 14 weeks: a pilot study. Hepatology. 2004 Dec;40(6):1260-5. doi: 10.1002/hep.20467.

    PubMed 15558712
  • von Wagner M, Huber M, Berg T, Hinrichsen H, Rasenack J, Heintges T, Bergk A, Bernsmeier C, Haussinger D, Herrmann E, Zeuzem S. Peginterferon-alpha-2a (40KD) and ribavirin for 16 or 24 weeks in patients with genotype 2 or 3 chronic hepatitis C. Gastroenterology. 2005 Aug;129(2):522-7. doi: 10.1016/j.gastro.2005.05.008.

    PubMed 16083709
  • Yu ML, Dai CY, Huang JF, Hou NJ, Lee LP, Hsieh MY, Chiu CF, Lin ZY, Chen SC, Hsieh MY, Wang LY, Chang WY, Chuang WL. A randomised study of peginterferon and ribavirin for 16 versus 24 weeks in patients with genotype 2 chronic hepatitis C. Gut. 2007 Apr;56(4):553-9. doi: 10.1136/gut.2006.102558. Epub 2006 Sep 6.

    PubMed 16956917
  • Strader DB, Wright T, Thomas DL, Seeff LB; American Association for the Study of Liver Diseases. Diagnosis, management, and treatment of hepatitis C. Hepatology. 2004 Apr;39(4):1147-71. doi: 10.1002/hep.20119. No abstract available.

    PubMed 15057920

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing pegylated interferon alpha 2a and plus ribavirin, Pegylated interferon alfa-2a and ribavirin and pegylated interferon alpha 2a and ribavirin in people with Chronic Hepatitis C, run by Kaohsiung Medical University Chung-Ho Memorial Hospital at 1 site in Taiwan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 20 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 30 Dec 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Taiwan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Efficacy - Rapid virologic response (RVR), HCV RNA seronegative by PCR at week 4 Sustained virological response (SVR), HCV RNA seronegative by PCR throughout 24-week off-treatment period (time frame: 1.5 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00540345, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Dec 2014.

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