Trial Outcomes & Findings for Evaluation of Rapid Virologic Response Among HCV Patients Treated With PegIntron and Rebetol in Brazil (Study P05427) (NCT NCT00724854)

NCT ID: NCT00724854

Last Updated: 2015-02-25

Results Overview

Rapid virologic response (RVR) was defined as Hepatitis C Virus Ribonucleic acid (HCV RNA) negative after 4 weeks of treatment.

Recruitment status

COMPLETED

Target enrollment

1146 participants

Primary outcome timeframe

Assessed at Treatment Week 4

Results posted on

2015-02-25

Participant Flow

Participant milestones

Participant milestones
Measure
Mono-infected With HCV
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Overall Study
STARTED
1010
72
Overall Study
COMPLETED
607
41
Overall Study
NOT COMPLETED
403
31

Reasons for withdrawal

Reasons for withdrawal
Measure
Mono-infected With HCV
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Overall Study
Lack of Efficacy
187
13
Overall Study
Lost to Follow-up
87
10
Overall Study
Adverse Event
62
4
Overall Study
Other
42
3
Overall Study
Death
11
0
Overall Study
Change of treatment
7
0
Overall Study
Withdrawal by Subject
5
0
Overall Study
Adverse event + lack of efficacy
2
1

Baseline Characteristics

Evaluation of Rapid Virologic Response Among HCV Patients Treated With PegIntron and Rebetol in Brazil (Study P05427)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Mono-infected With HCV
n=1010 Participants
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
n=72 Participants
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Total
n=1082 Participants
Total of all reporting groups
Age, Customized
<=40 years
193 Participants
n=5 Participants
36 Participants
n=7 Participants
229 Participants
n=5 Participants
Age, Customized
>40 years
817 Participants
n=5 Participants
36 Participants
n=7 Participants
853 Participants
n=5 Participants
Sex: Female, Male
Female
444 Participants
n=5 Participants
23 Participants
n=7 Participants
467 Participants
n=5 Participants
Sex: Female, Male
Male
566 Participants
n=5 Participants
49 Participants
n=7 Participants
615 Participants
n=5 Participants
Region of Enrollment
Brazil
1010 participants
n=5 Participants
72 participants
n=7 Participants
1082 participants
n=5 Participants

PRIMARY outcome

Timeframe: Assessed at Treatment Week 4

Rapid virologic response (RVR) was defined as Hepatitis C Virus Ribonucleic acid (HCV RNA) negative after 4 weeks of treatment.

Outcome measures

Outcome measures
Measure
Mono-infected With HCV
n=1010 Participants
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
n=72 Participants
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Number of Participants With Rapid Virologic Response After 4 Weeks of Treatment
551 Participants
32 Participants

SECONDARY outcome

Timeframe: Assessed at 24 weeks post-treatment

SVR was defined as non-detectable HCV RNA 24 weeks post-treatment.

Outcome measures

Outcome measures
Measure
Mono-infected With HCV
n=1010 Participants
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
n=72 Participants
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Number of Participants Who Achieved Sustained Virologic Response (SVR)
375 Participants
24 Participants

SECONDARY outcome

Timeframe: Assessed at Treatment Week 4 (RVR) and 24 weeks post-treatment (SVR)

Population: Participants who achieved RVR at Treatment Week 4.

RVR was defined as HCV RNA negative after 4 weeks of treatment. SVR was defined as non-detectable HCV RNA 24 weeks or more post-treatment.

Outcome measures

Outcome measures
Measure
Mono-infected With HCV
n=551 Participants
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
n=32 Participants
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Number of Participants With RVR Who Also Achieved SVR
300 Participants
19 Participants

SECONDARY outcome

Timeframe: Treatment Week 48 and Treatment Week 72

Population: Participants who achieved RVR at Treatment Week 4.

Participants who achieved RVR at Treatment Week 4 who were considered to have SVR (non-detectable HCV RNA at Treatment Week 48 for genotypes 2 and 3, and Treatment Week 72 for genotypes 1, 4, and 5). Participants from the Mono-infected with HCV group and the Co-infected with HCV and HIV group, were identified as either Genotype 1, 2, 3, 4, or 5.

Outcome measures

Outcome measures
Measure
Mono-infected With HCV
n=551 Participants
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
n=32 Participants
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Assessment of Response at Treatment Week 48 for Genotypes 2 and 3, and Treatment Week 72 for Genotypes 1, 4, and 5, in Participants With RVR
No SVR
251 Participants
13 Participants
Assessment of Response at Treatment Week 48 for Genotypes 2 and 3, and Treatment Week 72 for Genotypes 1, 4, and 5, in Participants With RVR
SVR
300 Participants
19 Participants

SECONDARY outcome

Timeframe: 24 Weeks post-treatment

Population: Participants with SVR

Baseline characteristics assessed were age, gender, and genotype.

Outcome measures

Outcome measures
Measure
Mono-infected With HCV
n=375 Participants
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-infected With HCV and HIV
n=24 Participants
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Assessment of Baseline Characteristics in Participants With SVR
Age <=40 years
75 Participants
11 Participants
Assessment of Baseline Characteristics in Participants With SVR
Age >40 years
300 Participants
13 Participants
Assessment of Baseline Characteristics in Participants With SVR
male
203 Participants
17 Participants
Assessment of Baseline Characteristics in Participants With SVR
female
172 Participants
7 Participants
Assessment of Baseline Characteristics in Participants With SVR
Genotype 1
247 Participants
14 Participants
Assessment of Baseline Characteristics in Participants With SVR
Genotype non-1
128 Participants
10 Participants

Adverse Events

Mono-Infected With HCV

Serious events: 52 serious events
Other events: 762 other events
Deaths: 0 deaths

Co-Infected With HCV and HIV

Serious events: 0 serious events
Other events: 61 other events
Deaths: 0 deaths

Not Evaluated

Serious events: 8 serious events
Other events: 42 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Mono-Infected With HCV
n=1010 participants at risk
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-Infected With HCV and HIV
n=72 participants at risk
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Not Evaluated
n=64 participants at risk
Blood and lymphatic system disorders
ANAEMIA
0.79%
8/1010 • Number of events 8
0.00%
0/72
0.00%
0/64
Blood and lymphatic system disorders
HAEMOLYTIC ANAEMIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Blood and lymphatic system disorders
LEUKOPENIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Blood and lymphatic system disorders
PANCYTOPENIA
0.00%
0/1010
0.00%
0/72
1.6%
1/64 • Number of events 1
Blood and lymphatic system disorders
THROMBOCYTOPENIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Cardiac disorders
ANGINA PECTORIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Cardiac disorders
CARDIAC FAILURE
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Cardiac disorders
MYOCARDIAL INFARCTION
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Ear and labyrinth disorders
HYPOACUSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Eye disorders
RETINAL DETACHMENT
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
ABDOMINAL PAIN
0.30%
3/1010 • Number of events 3
0.00%
0/72
1.6%
1/64 • Number of events 1
Gastrointestinal disorders
ASCITES
0.20%
2/1010 • Number of events 2
0.00%
0/72
1.6%
1/64 • Number of events 1
Gastrointestinal disorders
DIARRHOEA
0.10%
1/1010 • Number of events 1
0.00%
0/72
3.1%
2/64 • Number of events 2
Gastrointestinal disorders
FAECALOMA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
GASTROINTESTINAL HAEMORRHAGE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
HAEMATEMESIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
MELAENA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
OESOPHAGEAL ULCER HAEMORRHAGE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
OESOPHAGEAL VARICES HAEMORRHAGE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
PERITONITIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
STOMATITIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
UPPER GASTROINTESTINAL HAEMORRHAGE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Gastrointestinal disorders
VOMITING
0.00%
0/1010
0.00%
0/72
1.6%
1/64 • Number of events 1
General disorders
ASTHENIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
General disorders
DEATH
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
General disorders
FATIGUE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
General disorders
MALAISE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
General disorders
MULTI-ORGAN FAILURE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
General disorders
PYREXIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
1.6%
1/64 • Number of events 1
Hepatobiliary disorders
CHOLELITHIASIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Hepatobiliary disorders
CHOLESTASIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Hepatobiliary disorders
HYPERBILIRUBINAEMIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Hepatobiliary disorders
JAUNDICE
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Infections and infestations
APPENDICITIS
0.40%
4/1010 • Number of events 4
0.00%
0/72
0.00%
0/64
Infections and infestations
CELLULITIS
0.10%
1/1010 • Number of events 4
0.00%
0/72
0.00%
0/64
Infections and infestations
CENTRAL NERVOUS SYSTEM ABSCESS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Infections and infestations
PNEUMONIA
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Infections and infestations
PULMONARY TUBERCULOSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Infections and infestations
SEPSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Infections and infestations
URINARY TRACT INFECTION
0.30%
3/1010 • Number of events 3
0.00%
0/72
0.00%
0/64
Infections and infestations
UROSEPSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Injury, poisoning and procedural complications
INJURY
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Metabolism and nutrition disorders
DEHYDRATION
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Metabolism and nutrition disorders
DIABETES MELLITUS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Metabolism and nutrition disorders
DIABETIC KETOACIDOSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Metabolism and nutrition disorders
HYPERGLYCAEMIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Metabolism and nutrition disorders
METABOLIC ACIDOSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
COLON CANCER
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Nervous system disorders
ASTERIXIS
0.00%
0/1010
0.00%
0/72
1.6%
1/64 • Number of events 1
Nervous system disorders
CEREBROVASCULAR ACCIDENT
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Nervous system disorders
DIZZINESS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Nervous system disorders
ENCEPHALOPATHY
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Nervous system disorders
HEPATIC ENCEPHALOPATHY
0.30%
3/1010 • Number of events 3
0.00%
0/72
0.00%
0/64
Nervous system disorders
OPTIC NEURITIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Nervous system disorders
QUADRIPLEGIA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Psychiatric disorders
CONFUSIONAL STATE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Psychiatric disorders
DEPRESSION
0.00%
0/1010
0.00%
0/72
3.1%
2/64 • Number of events 2
Renal and urinary disorders
RENAL FAILURE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Renal and urinary disorders
RENAL FAILURE ACUTE
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Respiratory, thoracic and mediastinal disorders
CHRONIC OBSTRUCTIVE PULMONARY DISEASE
0.00%
0/1010
0.00%
0/72
1.6%
1/64 • Number of events 1
Respiratory, thoracic and mediastinal disorders
INTERSTITIAL LUNG DISEASE
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Respiratory, thoracic and mediastinal disorders
PULMONARY EMBOLISM
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Respiratory, thoracic and mediastinal disorders
PULMONARY OEDEMA
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Respiratory, thoracic and mediastinal disorders
RESPIRATORY FAILURE
0.40%
4/1010 • Number of events 4
0.00%
0/72
0.00%
0/64
Skin and subcutaneous tissue disorders
PRURITUS
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Surgical and medical procedures
LEG AMPUTATION
0.10%
1/1010 • Number of events 1
0.00%
0/72
0.00%
0/64
Vascular disorders
DEEP VEIN THROMBOSIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
1.6%
1/64 • Number of events 1
Vascular disorders
HYPOTENSION
0.20%
2/1010 • Number of events 2
0.00%
0/72
0.00%
0/64
Vascular disorders
THROMBOPHLEBITIS
0.10%
1/1010 • Number of events 1
0.00%
0/72
1.6%
1/64 • Number of events 1

Other adverse events

Other adverse events
Measure
Mono-Infected With HCV
n=1010 participants at risk
Participants infected with Hepatitis C Virus (HCV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Co-Infected With HCV and HIV
n=72 participants at risk
Participants co-infected with Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV), received PegIntron plus Rebetol, administered in accordance with approved labeling.
Not Evaluated
n=64 participants at risk
Blood and lymphatic system disorders
ANAEMIA
16.3%
165/1010 • Number of events 171
25.0%
18/72 • Number of events 19
7.8%
5/64 • Number of events 6
Blood and lymphatic system disorders
LEUKOPENIA
3.8%
38/1010 • Number of events 39
8.3%
6/72 • Number of events 6
1.6%
1/64 • Number of events 1
Blood and lymphatic system disorders
NEUTROPENIA
5.8%
59/1010 • Number of events 60
9.7%
7/72 • Number of events 9
7.8%
5/64 • Number of events 5
Blood and lymphatic system disorders
THROMBOCYTOPENIA
3.4%
34/1010 • Number of events 34
6.9%
5/72 • Number of events 5
1.6%
1/64 • Number of events 1
Gastrointestinal disorders
ABDOMINAL PAIN UPPER
6.2%
63/1010 • Number of events 65
8.3%
6/72 • Number of events 6
4.7%
3/64 • Number of events 3
Gastrointestinal disorders
DIARRHOEA
7.5%
76/1010 • Number of events 77
11.1%
8/72 • Number of events 8
10.9%
7/64 • Number of events 8
Gastrointestinal disorders
NAUSEA
12.1%
122/1010 • Number of events 138
11.1%
8/72 • Number of events 11
9.4%
6/64 • Number of events 6
Gastrointestinal disorders
VOMITING
4.2%
42/1010 • Number of events 44
6.9%
5/72 • Number of events 5
3.1%
2/64 • Number of events 3
General disorders
ASTHENIA
28.1%
284/1010 • Number of events 309
19.4%
14/72 • Number of events 15
26.6%
17/64 • Number of events 17
General disorders
FATIGUE
10.4%
105/1010 • Number of events 110
12.5%
9/72 • Number of events 9
6.2%
4/64 • Number of events 4
General disorders
INFLUENZA LIKE ILLNESS
13.1%
132/1010 • Number of events 136
2.8%
2/72 • Number of events 2
14.1%
9/64 • Number of events 9
General disorders
IRRITABILITY
9.8%
99/1010 • Number of events 99
12.5%
9/72 • Number of events 9
3.1%
2/64 • Number of events 2
General disorders
MALAISE
5.6%
57/1010 • Number of events 58
6.9%
5/72 • Number of events 6
4.7%
3/64 • Number of events 3
General disorders
PYREXIA
27.1%
274/1010 • Number of events 292
45.8%
33/72 • Number of events 37
21.9%
14/64 • Number of events 15
Investigations
WEIGHT DECREASED
7.1%
72/1010 • Number of events 72
11.1%
8/72 • Number of events 8
1.6%
1/64 • Number of events 1
Metabolism and nutrition disorders
ANOREXIA
12.5%
126/1010 • Number of events 129
20.8%
15/72 • Number of events 15
10.9%
7/64 • Number of events 7
Metabolism and nutrition disorders
DECREASED APPETITE
6.2%
63/1010 • Number of events 68
9.7%
7/72 • Number of events 7
4.7%
3/64 • Number of events 3
Musculoskeletal and connective tissue disorders
ARTHRALGIA
7.7%
78/1010 • Number of events 86
15.3%
11/72 • Number of events 12
0.00%
0/64
Musculoskeletal and connective tissue disorders
MYALGIA
27.7%
280/1010 • Number of events 302
45.8%
33/72 • Number of events 34
18.8%
12/64 • Number of events 12
Musculoskeletal and connective tissue disorders
PAIN IN EXTREMITY
3.2%
32/1010 • Number of events 34
5.6%
4/72 • Number of events 4
6.2%
4/64 • Number of events 4
Nervous system disorders
DIZZINESS
6.8%
69/1010 • Number of events 71
4.2%
3/72 • Number of events 3
3.1%
2/64 • Number of events 2
Nervous system disorders
HEADACHE
25.4%
257/1010 • Number of events 295
26.4%
19/72 • Number of events 21
15.6%
10/64 • Number of events 10
Psychiatric disorders
DEPRESSION
9.9%
100/1010 • Number of events 100
12.5%
9/72 • Number of events 10
14.1%
9/64 • Number of events 9
Psychiatric disorders
INSOMNIA
9.3%
94/1010 • Number of events 95
5.6%
4/72 • Number of events 4
4.7%
3/64 • Number of events 3
Respiratory, thoracic and mediastinal disorders
COUGH
8.3%
84/1010 • Number of events 86
8.3%
6/72 • Number of events 6
4.7%
3/64 • Number of events 3
Skin and subcutaneous tissue disorders
ALOPECIA
9.2%
93/1010 • Number of events 93
11.1%
8/72 • Number of events 8
4.7%
3/64 • Number of events 3
Skin and subcutaneous tissue disorders
PRURITUS
13.9%
140/1010 • Number of events 146
8.3%
6/72 • Number of events 6
6.2%
4/64 • Number of events 4

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp.

Results disclosure agreements

  • Principal investigator is a sponsor employee Whenever a Principal Investigator wishes to use the results of the study, he/she should contact the sponsor to obtain the authorization.
  • Publication restrictions are in place

Restriction type: OTHER