Trial Outcomes & Findings for Impact of Patient Support by the Medical Staff on Adherence to Therapy With PegIntron Plus Rebetol (Study P04413) (NCT NCT00704964)

NCT ID: NCT00704964

Last Updated: 2015-10-06

Results Overview

Adherence was defined as participants receiving at least 80% of the planned PegIntron doses, or at least 80% of the planned Rebetol doses, or participants concluding at least 80% of the planned duration of their treatment, or all three conditions.

Recruitment status

COMPLETED

Target enrollment

746 participants

Primary outcome timeframe

Up to 48 weeks for Hepatitis C Virus (HCV) genotype 1 or 4 participants and up to 24 weeks for HCV genotype 2 or 3

Results posted on

2015-10-06

Participant Flow

Participant milestones

Participant milestones
Measure
All Participants
Each site will be evaluated by a site questionnaire and assigned as either a high or low participant management site. Participants are not randomized to a group. However, treatment completion rates will be evaluated based on the high vs low participant management sites. Completers are considered those with documentation who finished the study on time.
Overall Study
STARTED
746
Overall Study
COMPLETED
418
Overall Study
NOT COMPLETED
328

Reasons for withdrawal

Reasons for withdrawal
Measure
All Participants
Each site will be evaluated by a site questionnaire and assigned as either a high or low participant management site. Participants are not randomized to a group. However, treatment completion rates will be evaluated based on the high vs low participant management sites. Completers are considered those with documentation who finished the study on time.
Overall Study
Not completed on time
328

Baseline Characteristics

Impact of Patient Support by the Medical Staff on Adherence to Therapy With PegIntron Plus Rebetol (Study P04413)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Participants
n=746 Participants
Each site will be evaluated by a site questionnaire and assigned as either a high or low participant management site. Participants are not randomized to a group. However, treatment completion rates will be evaluated based on the high vs low participant management sites.
Age, Continuous
42.3 years
STANDARD_DEVIATION 11.44 • n=93 Participants
Sex: Female, Male
Female
297 Participants
n=93 Participants
Sex: Female, Male
Male
449 Participants
n=93 Participants
Region of Enrollment
Germany
746 participants
n=93 Participants

PRIMARY outcome

Timeframe: Up to 48 weeks for Hepatitis C Virus (HCV) genotype 1 or 4 participants and up to 24 weeks for HCV genotype 2 or 3

Adherence was defined as participants receiving at least 80% of the planned PegIntron doses, or at least 80% of the planned Rebetol doses, or participants concluding at least 80% of the planned duration of their treatment, or all three conditions.

Outcome measures

Outcome measures
Measure
All Participants
n=746 Participants
Each site will be evaluated by a site questionnaire and assigned as either a high or low participant management site. Participants are not randomized to a group. However, treatment completion rates will be evaluated based on the high vs low participant management sites.
Number of Participants With Biometrical Adherence to Therapy
PegIntron + Rebetol
406 Participants
Number of Participants With Biometrical Adherence to Therapy
PegIntron
415 Participants
Number of Participants With Biometrical Adherence to Therapy
Rebetol
413 Participants

PRIMARY outcome

Timeframe: Up to 48 weeks for HCV genotype 1 or 4 participants and up to 24 weeks for HCV genotype 2 or 3

Adherence was based on physiciant's clinical judgment.

Outcome measures

Outcome measures
Measure
All Participants
n=746 Participants
Each site will be evaluated by a site questionnaire and assigned as either a high or low participant management site. Participants are not randomized to a group. However, treatment completion rates will be evaluated based on the high vs low participant management sites.
Number of Participants With Adherence to Therapy According to Physician Approximation
PegIntron
615 Participants
Number of Participants With Adherence to Therapy According to Physician Approximation
Rebetol
604 Participants

Adverse Events

All Participants

Serious events: 27 serious events
Other events: 332 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
All Participants
n=746 participants at risk
Blood and lymphatic system disorders
ANAEMIA
0.13%
1/746 • Number of events 2
Blood and lymphatic system disorders
LEUKOPENIA
0.27%
2/746 • Number of events 2
Cardiac disorders
ACUTE CORONARY SYNDROME
0.13%
1/746 • Number of events 1
Cardiac disorders
MYOCARDIAL INFARCTION
0.13%
1/746 • Number of events 1
Endocrine disorders
BASEDOW'S DISEASE
0.13%
1/746 • Number of events 1
Endocrine disorders
HYPOTHYROIDISM
0.13%
1/746 • Number of events 1
General disorders
ADVERSE EVENT
0.27%
2/746 • Number of events 4
Hepatobiliary disorders
AUTOIMMUNE HEPATITIS
0.13%
1/746 • Number of events 1
Infections and infestations
APPENDICITIS
0.13%
1/746 • Number of events 1
Infections and infestations
OSTEOMYELITIS
0.13%
1/746 • Number of events 1
Infections and infestations
TOXOPLASMOSIS
0.13%
1/746 • Number of events 1
Injury, poisoning and procedural complications
NARCOTIC INTOXICATION
0.13%
1/746 • Number of events 1
Investigations
WEIGHT DECREASED
0.13%
1/746 • Number of events 1
Nervous system disorders
CONVULSION
0.13%
1/746 • Number of events 1
Nervous system disorders
DISTURBANCE IN ATTENTION
0.13%
1/746 • Number of events 1
Psychiatric disorders
AGGRESSION
0.13%
1/746 • Number of events 1
Psychiatric disorders
ALCOHOL ABUSE
0.13%
1/746 • Number of events 2
Psychiatric disorders
ALCOHOL PROBLEM
0.13%
1/746 • Number of events 1
Psychiatric disorders
ANXIETY DISORDER
0.13%
1/746 • Number of events 1
Psychiatric disorders
DEPRESSION
0.67%
5/746 • Number of events 7
Psychiatric disorders
MERYCISM
0.13%
1/746 • Number of events 1
Psychiatric disorders
PSYCHIATRIC DECOMPENSATION
0.27%
2/746 • Number of events 2
Psychiatric disorders
PSYCHOTIC DISORDER
0.40%
3/746 • Number of events 3
Psychiatric disorders
RESTLESSNESS
0.13%
1/746 • Number of events 1
Psychiatric disorders
SUICIDAL IDEATION
0.13%
1/746 • Number of events 1
Psychiatric disorders
SUICIDE ATTEMPT
0.13%
1/746 • Number of events 3
Skin and subcutaneous tissue disorders
ALOPECIA
0.27%
2/746 • Number of events 2
Skin and subcutaneous tissue disorders
DRY SKIN
0.13%
1/746 • Number of events 3
Skin and subcutaneous tissue disorders
PRURITUS
0.40%
3/746 • Number of events 3
Skin and subcutaneous tissue disorders
SKIN BURNING SENSATION
0.13%
1/746 • Number of events 1
Surgical and medical procedures
APPENDICECTOMY
0.13%
1/746 • Number of events 1

Other adverse events

Other adverse events
Measure
All Participants
n=746 participants at risk
Blood and lymphatic system disorders
ANAEMIA
6.2%
46/746 • Number of events 50
Gastrointestinal disorders
DIARRHOEA
5.4%
40/746 • Number of events 42
Gastrointestinal disorders
NAUSEA
9.9%
74/746 • Number of events 80
General disorders
FATIGUE
14.1%
105/746 • Number of events 131
General disorders
IRRITABILITY
6.3%
47/746 • Number of events 47
General disorders
PYREXIA
5.9%
44/746 • Number of events 49
Infections and infestations
INFLUENZA
9.1%
68/746 • Number of events 71
Investigations
WEIGHT DECREASED
9.2%
69/746 • Number of events 77
Metabolism and nutrition disorders
ANOREXIA
9.1%
68/746 • Number of events 71
Musculoskeletal and connective tissue disorders
ARTHRALGIA
7.4%
55/746 • Number of events 56
Musculoskeletal and connective tissue disorders
MYALGIA
5.6%
42/746 • Number of events 42
Nervous system disorders
DISTURBANCE IN ATTENTION
6.8%
51/746 • Number of events 53
Nervous system disorders
DIZZINESS
5.5%
41/746 • Number of events 41
Nervous system disorders
HEADACHE
11.5%
86/746 • Number of events 87
Psychiatric disorders
DEPRESSED MOOD
5.5%
41/746 • Number of events 44
Psychiatric disorders
DEPRESSION
7.0%
52/746 • Number of events 58
Psychiatric disorders
SLEEP DISORDER
10.2%
76/746 • Number of events 79
Respiratory, thoracic and mediastinal disorders
COUGH
5.1%
38/746 • Number of events 40
Skin and subcutaneous tissue disorders
ALOPECIA
8.4%
63/746 • Number of events 70
Skin and subcutaneous tissue disorders
PRURITUS
7.9%
59/746 • Number of events 59

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp

Results disclosure agreements

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