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Adherence in Patients Receiving PegIntron Pen/Rebetol for Hepatitis C in Conjunction With a Patient Assistance Program (Study P04281)(COMPLETED)

Evaluation of Adherence Rate in Patients Receiving PegIntron Pen / Rebetol for Hepatitis C in Conjunction With a Patient Assistance Program.

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00704522
Enrollment
601
Registered
2008-06-25
Start date
2005-03-31
Completion date
2009-04-30
Last updated
2015-10-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepacivirus, Hepatitis C, Chronic

Brief summary

Patients receiving a patient assistance program during therapy for Hepatitis C will be enrolled into this study. All patients will receive PegIntron pen and Rebetol according to label and the patient assistance program. This study will be compared to similar studies from other clinics using various patient support programs for the purpose of designing future comparative phase IV studies.

Interventions

Peginterferon alfa-2b and ribavirin will be administered according to the products' labeling.

Peginterferon alfa-2b and ribavirin will be administered according to the products' labeling.

Assistance programs will be classified as follows: 1. Medications used prophylactically or for treatment(Growth factors: RBC and neutrophil; Psychiatric medications; Other medications) 2. Other interventions (Psychotherapy, Patient Support Groups, Visiting Nurse, Nurse Telephone Calls, Nurse support in office, Other health care professional support, Educational Literature). In Austria, sites with adherence nurses and side effect handouts will be compared with sites using side effect handouts only.

Sponsors

Merck Sharp & Dohme LLC
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adult patients with hepatitis C

Exclusion criteria

* According to the products' labeling (refer to Warnings, contraindications, and safety sections).

Design outcomes

Primary

MeasureTime frame
Number of Participants Who Complete Treatment With PegIntron Pen/Rebetol Therapy for Hepatitis C When Administered With a Patient Assistance Program24 or 48 weeks (depending on genotype) and 24 weeks of follow up
Average Length of Treatment With PegIntron/RebetolAfter start of treatment

Participant flow

Participants by arm

ArmCount
PegIntron Pen/Rebetol Without Patient Assistance Program
PegIntron & Rebetol will be administered according to the products' labeling.
481
PegIntron Pen/Rebetol With Patient Assistance Program
PegIntron & Rebetol will be administered according to the products' labeling. Assistance programs include medications used prophylactically or for treatment (Growth factors: RBC and neutrophil; Psychiatric medications; Other medications) - Other interventions (Psychotherapy, Patient Support Groups, Visiting Nurse, Nurse Telephone Calls, Nurse support in office, Other health care professional support, Educational Literature).
120
Total601

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event91
Overall StudyFailure to appear again at hospital5610
Overall StudyLack of Efficacy6517
Overall StudyNo information on therapy end272
Overall StudyUndefined causes97
Overall StudyWithdrawal by Subject178

Baseline characteristics

CharacteristicPegIntron Pen/Rebetol Without Patient Assistance ProgramPegIntron Pen/Rebetol With Patient Assistance ProgramTotal
Age, Continuous41.85 years
STANDARD_DEVIATION 12.98
41.38 years
STANDARD_DEVIATION 11.96
41.76 years
STANDARD_DEVIATION 12.77
Region of Enrollment
Austria
481 participants120 participants601 participants
Sex: Female, Male
Female
175 Participants42 Participants217 Participants
Sex: Female, Male
Male
306 Participants78 Participants384 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
100 / 597
serious
Total, serious adverse events
20 / 597

Outcome results

Primary

Average Length of Treatment With PegIntron/Rebetol

Time frame: After start of treatment

Population: Number of participants who received study drug

ArmMeasureValue (MEAN)Dispersion
PegIntron Pen/Rebetol Without Patient Assistance ProgramAverage Length of Treatment With PegIntron/Rebetol28.8 WeeksStandard Deviation 14.6
PegIntron Pen/Rebetol With Patient Assistance ProgramAverage Length of Treatment With PegIntron/Rebetol27.3 WeeksStandard Deviation 14.7
Primary

Number of Participants Who Complete Treatment With PegIntron Pen/Rebetol Therapy for Hepatitis C When Administered With a Patient Assistance Program

Time frame: 24 or 48 weeks (depending on genotype) and 24 weeks of follow up

Population: All participants

ArmMeasureValue (NUMBER)
PegIntron Pen/Rebetol Without Patient Assistance ProgramNumber of Participants Who Complete Treatment With PegIntron Pen/Rebetol Therapy for Hepatitis C When Administered With a Patient Assistance Program298 Participants
PegIntron Pen/Rebetol With Patient Assistance ProgramNumber of Participants Who Complete Treatment With PegIntron Pen/Rebetol Therapy for Hepatitis C When Administered With a Patient Assistance Program75 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026