Original Query: "Hepatitis C"
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Patient Compliance During PegIntron and Rebetol Combination Therapy in Chronic Hepatitis C (Study P04690)
|ClinicalTrials.gov Identifier: NCT00725205|
Recruitment Status : Completed
First Posted : July 30, 2008
Results First Posted : November 18, 2011
Last Update Posted : October 8, 2015
Merck Sharp & Dohme Corp.
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp.
Participants will receive PegIntron injection pen (Peginterferon alfa-2b) and Rebetol (Ribavirin) combination therapy as their usual medical treatment. The current study aims to evaluate whether the previously introduced, and now widely accepted and implemented educational program, which represents additional efforts in everyday practice to increase patient compliance, will succeed in achieving adherence rate in treated participants similar to the extent demonstrated by clinical trials.
|Condition or disease||Intervention/treatment|
|Hepatitis C, Chronic Hepatitis C||Biological: PegIntron (Peginterferon alfa-2b) Drug: Rebetol (Ribavirin)|
|Study Type :||Observational|
|Actual Enrollment :||294 participants|
|Official Title:||Patient Compliance During PegIntron (Injection Pen) and Rebetol Combination Therapy in Chronic Hepatitis C|
|Study Start Date :||March 2006|
|Primary Completion Date :||October 2010|
|Study Completion Date :||October 2010|
Chronic hepatitis C participants
Untreated chronic hepatitis C (CHC) participants starting Peginterferon alfa-2b (injection pen) and Ribavirin combination therapy as their usual medical treatment according to the approved dosage/regimen were selected for this study.
Biological: PegIntron (Peginterferon alfa-2b)
Peginterferon alfa-2b (injection pen) administered according to the product's labeling and current practice in Hungary (1.5 micrograms [mcg]/killogram [kg]) for 12 weeks. Those participants whose continued treatment was warranted beyond week 12 based on response received therapy for 24 or 48 weeks depending on the viral genotype.
Other Names:Drug: Rebetol (Ribavirin)
Ribavirin capsules administered according to the product's labeling and current practice in Hungary (weight based daily) for 12 weeks. Those participants whose continued treatment was warranted beyond week 12 based on response received therapy for 24 or 48 weeks depending on the viral genotype.
Primary Outcome Measures :
- Number of Participants Who Are Triple-80 Compliant [ Time Frame: 24 or 48 Weeks ]Participants who continued treatment beyond Week 12 (i.e., 24 or 48 weeks depending on the viral genotype) were assessed for triple-80 compliance. Triple-80 compliant, or simply compliant, participants were those that received >= 80% of the planned total doses of both pegylated interferon alfa-2b and ribavirin for >=80% of the duration of the therapy. 3 rates were computed: Compliance with study duration, compliance with pegylated interferon dose, and compliance with ribavirin dose. A participant was defined as triple-80 compliant, if none of the 3 rates as defined above were less than 80.
Secondary Outcome Measures :
- Number of Participants Who Achieved Sustained Virological Response as Assessed at 24-week Post-treatment Follow-up [ Time Frame: 24 Weeks following completion of 24 or 48 weeks of therapy ]Sustained virologic response (SVR) was assessed at post-treatment Follow-up Week 24. Day 1 of the Follow-up period was defined as the first day after the last dose day. A participant was considered a sustained responder if the participant had undetectable Hepatitis C virus Ribonucleic acid (HCV-RNA) level (based on qualitative test result) at Follow-up Week 24. If a participant with missing polymerase chain reaction (PCR) data at Follow-up Week 24 had undetectable HCV-RNA level at Follow-up Week 12, the participant was also considered as a sustained responder.
- Number Of Participants Self-Administering Pegylated Interferon Alfa-2b [ Time Frame: Up to 48 Weeks ]Number of participants self-administering Pegylated interferon alfa-2b injection pen. If a participant changed the way he or she administered the injection pen during the course of the study (from self-administering to clinic-administering or the other way around), that participant was also considered as self-administering.
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