Trial Outcomes & Findings for Pegylated Interferon Alfa-2a Plus Low Dose Ribavirin for Treatment-Naïve Hemodialysis Patients With Chronic Hepatitis C (NCT NCT00491244)

NCT ID: NCT00491244

Last Updated: 2014-02-10

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

377 participants

Primary outcome timeframe

1.5 year

Results posted on

2014-02-10

Participant Flow

Recruitment from 1 June, 2007 to 9 May, 2012 Location: 8 academic centers in Taiwan

Participant milestones

Participant milestones
Measure
Peginterferon and Ribavirin
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week plus ribavirin (Copegus, F. Hoffman-LaRoche) 200 mg/day for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Peginterferon
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Overall Study
STARTED
189
188
Overall Study
COMPLETED
162
168
Overall Study
NOT COMPLETED
27
20

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Pegylated Interferon Alfa-2a Plus Low Dose Ribavirin for Treatment-Naïve Hemodialysis Patients With Chronic Hepatitis C

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Peginterferon and Ribavirin
n=189 Participants
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week plus ribavirin (Copegus, F. Hoffman-LaRoche) 200 mg/day for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Peginterferon
n=188 Participants
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Total
n=377 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
189 Participants
n=5 Participants
188 Participants
n=7 Participants
377 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
51 years
STANDARD_DEVIATION 10 • n=5 Participants
51 years
STANDARD_DEVIATION 11 • n=7 Participants
51 years
STANDARD_DEVIATION 10 • n=5 Participants
Sex: Female, Male
Female
76 Participants
n=5 Participants
76 Participants
n=7 Participants
152 Participants
n=5 Participants
Sex: Female, Male
Male
113 Participants
n=5 Participants
112 Participants
n=7 Participants
225 Participants
n=5 Participants
Region of Enrollment
Taiwan
189 participants
n=5 Participants
188 participants
n=7 Participants
377 participants
n=5 Participants

PRIMARY outcome

Timeframe: 1.5 year

Population: All participants were analyzed if they received at least one dose of the study medication

Outcome measures

Outcome measures
Measure
Peginterferon and Ribavirin
n=189 Participants
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week plus ribavirin (Copegus, F. Hoffman-LaRoche) 200 mg/day for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Peginterferon
n=188 Participants
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Sustained Virologic Response (SVR)Rate
130 participants
72 participants

SECONDARY outcome

Timeframe: 1.5 year

Population: All patients were analyzed if they received at least one dose of the study medication; monitoring the events until the last visit

Outcome measures

Outcome measures
Measure
Peginterferon and Ribavirin
n=189 Participants
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week plus ribavirin (Copegus, F. Hoffman-LaRoche) 200 mg/day for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Peginterferon
n=188 Participants
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Adverse Event (AE)-Related Withdrawal Rate
Advese event related withdrawal rate
12 participants
7 participants
Adverse Event (AE)-Related Withdrawal Rate
Non withdrawal
177 participants
171 participants

Adverse Events

Peginterferon and Ribavirin

Serious events: 8 serious events
Other events: 170 other events
Deaths: 0 deaths

Peginterferon

Serious events: 7 serious events
Other events: 154 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Peginterferon and Ribavirin
n=189 participants at risk
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week plus ribavirin (Copegus, F. Hoffman-LaRoche) 200 mg/day for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Peginterferon
n=188 participants at risk
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Infections and infestations
Cholangitis
0.00%
0/189 • 18 months
0.53%
1/188 • Number of events 1 • 18 months
Gastrointestinal disorders
Intractable diarrhea
0.53%
1/189 • Number of events 1 • 18 months
0.00%
0/188 • 18 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Hepatocellular carcinoma
0.53%
1/189 • Number of events 1 • 18 months
0.00%
0/188 • 18 months
Psychiatric disorders
Major depression
0.00%
0/189 • 18 months
0.53%
1/188 • Number of events 1 • 18 months
Gastrointestinal disorders
Peptic ulcer bleeding
0.00%
0/189 • 18 months
0.53%
1/188 • Number of events 1 • 18 months
Infections and infestations
Peritonitis
0.53%
1/189 • Number of events 1 • 18 months
0.00%
0/188 • 18 months
Infections and infestations
Pneumonia
1.1%
2/189 • Number of events 2 • 18 months
1.6%
3/188 • Number of events 3 • 18 months
Cardiac disorders
Postural dizziness
1.1%
2/189 • Number of events 2 • 18 months
0.00%
0/188 • 18 months
Infections and infestations
Salmonella gastroenteritis
0.00%
0/189 • 18 months
0.53%
1/188 • Number of events 1 • 18 months
Skin and subcutaneous tissue disorders
Stevens-Johnson sybdrome
0.53%
1/189 • Number of events 1 • 18 months
0.00%
0/188 • 18 months

Other adverse events

Other adverse events
Measure
Peginterferon and Ribavirin
n=189 participants at risk
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week plus ribavirin (Copegus, F. Hoffman-LaRoche) 200 mg/day for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Peginterferon
n=188 participants at risk
Pegylated interferon alfa-2a (Pegasys, F. Hoffman-LaRoche) 135 ug/week for 24 to 48 weeks (genotype 1: 48 weeks, genotype 2: 24 weeks)
Immune system disorders
Flu-like syndrome
24.9%
47/189 • Number of events 47 • 18 months
26.6%
50/188 • Number of events 50 • 18 months
Nervous system disorders
Fatigue
56.1%
106/189 • Number of events 106 • 18 months
51.6%
97/188 • Number of events 97 • 18 months
Nervous system disorders
Headache
27.0%
51/189 • Number of events 51 • 18 months
25.5%
48/188 • Number of events 48 • 18 months
Nervous system disorders
Insomnia
32.8%
62/189 • Number of events 62 • 18 months
35.1%
66/188 • Number of events 66 • 18 months
Psychiatric disorders
Irritability
11.1%
21/189 • Number of events 21 • 18 months
10.1%
19/188 • Number of events 19 • 18 months
Psychiatric disorders
Depression
13.2%
25/189 • Number of events 25 • 18 months
12.2%
23/188 • Number of events 23 • 18 months
Gastrointestinal disorders
Anorexia
23.3%
44/189 • Number of events 44 • 18 months
20.2%
38/188 • Number of events 38 • 18 months
Gastrointestinal disorders
Diarrhea
11.6%
22/189 • Number of events 22 • 18 months
10.6%
20/188 • Number of events 20 • 18 months
Gastrointestinal disorders
Constipation
8.5%
16/189 • Number of events 16 • 18 months
8.0%
15/188 • Number of events 15 • 18 months
Respiratory, thoracic and mediastinal disorders
Cough
13.8%
26/189 • Number of events 26 • 18 months
5.3%
10/188 • Number of events 10 • 18 months
Skin and subcutaneous tissue disorders
Dermatitis
22.8%
43/189 • Number of events 43 • 18 months
20.2%
38/188 • Number of events 38 • 18 months
Skin and subcutaneous tissue disorders
Injection site reaction
14.3%
27/189 • Number of events 27 • 18 months
14.4%
27/188 • Number of events 27 • 18 months
Skin and subcutaneous tissue disorders
Hair loss
24.9%
47/189 • Number of events 47 • 18 months
22.9%
43/188 • Number of events 43 • 18 months
Blood and lymphatic system disorders
Anemia
70.9%
134/189 • Number of events 134 • 18 months
6.9%
13/188 • Number of events 13 • 18 months
Blood and lymphatic system disorders
Neutropenia
15.9%
30/189 • Number of events 30 • 18 months
13.8%
26/188 • Number of events 26 • 18 months
Blood and lymphatic system disorders
Thrombocytopenia
10.1%
19/189 • Number of events 19 • 18 months
11.2%
21/188 • Number of events 21 • 18 months

Additional Information

Dr. Chen-Hua Liu

National Taiwan University Hospital

Phone: +886-2-23123456

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place