Trial Outcomes & Findings for A Randomized, Double-blind, Active (Pramipexole 0.5 mg Tid) and Placebo Controlled, Study of Pramipexole Given 0.5 mg and 0.75 mg Bid Over 12-week Treatment in Early Parkinson's Disease (PD) Patients (NCT NCT00402233)

NCT ID: NCT00402233

Last Updated: 2014-05-16

Results Overview

Total score ranges from zero (best) to 176 (worst), as the sum of Parts I (Mental questions), II (Activity of Daily Living questions), and III (Motor examination)

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

312 participants

Primary outcome timeframe

From baseline to week 12

Results posted on

2014-05-16

Participant Flow

There were 312 patients enrolled and 311 patients entered

Participant milestones

Participant milestones
Measure
Placebo
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Overall Study
STARTED
77
80
81
73
Overall Study
COMPLETED
72
70
70
62
Overall Study
NOT COMPLETED
5
10
11
11

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Overall Study
Adverse Event
1
7
9
9
Overall Study
Protocol Violation
0
1
0
0
Overall Study
Withdrawal by Subject
2
1
2
2
Overall Study
Worsening of disease under study
2
0
0
0
Overall Study
Worsening of other pre-existing disease
0
1
0
0

Baseline Characteristics

A Randomized, Double-blind, Active (Pramipexole 0.5 mg Tid) and Placebo Controlled, Study of Pramipexole Given 0.5 mg and 0.75 mg Bid Over 12-week Treatment in Early Parkinson's Disease (PD) Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=77 Participants
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
n=80 Participants
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
n=81 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Total
n=311 Participants
Total of all reporting groups
Age, Continuous
60.7 years
STANDARD_DEVIATION 11 • n=5 Participants
63.7 years
STANDARD_DEVIATION 9.8 • n=7 Participants
61.6 years
STANDARD_DEVIATION 10.2 • n=5 Participants
63.1 years
STANDARD_DEVIATION 9.9 • n=4 Participants
62.3 years
STANDARD_DEVIATION 10.2 • n=21 Participants
Sex: Female, Male
Female
19 Participants
n=5 Participants
23 Participants
n=7 Participants
30 Participants
n=5 Participants
32 Participants
n=4 Participants
104 Participants
n=21 Participants
Sex: Female, Male
Male
58 Participants
n=5 Participants
57 Participants
n=7 Participants
51 Participants
n=5 Participants
41 Participants
n=4 Participants
207 Participants
n=21 Participants

PRIMARY outcome

Timeframe: From baseline to week 12

Population: Treated set

Total score ranges from zero (best) to 176 (worst), as the sum of Parts I (Mental questions), II (Activity of Daily Living questions), and III (Motor examination)

Outcome measures

Outcome measures
Measure
Placebo
n=77 Participants
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
n=80 Participants
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
n=81 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Unified Parkinson's Disease Rating Scale (UPDRS) Total Score
UPDRS at baseline
28.97 units on a scale
Standard Deviation 11.82
27.66 units on a scale
Standard Deviation 10.72
27.21 units on a scale
Standard Deviation 11.76
27.77 units on a scale
Standard Deviation 9.18
Unified Parkinson's Disease Rating Scale (UPDRS) Total Score
UPDRS at week 12
28.19 units on a scale
Standard Deviation 12.94
22.92 units on a scale
Standard Deviation 10.44
22.96 units on a scale
Standard Deviation 11.94
22.65 units on a scale
Standard Deviation 10.82

SECONDARY outcome

Timeframe: From baseline to week 12

Population: Treated set

Score ranges from best 0 (no signs of disease) to worst 5 (wheelchair bound or bedridden unless aided)

Outcome measures

Outcome measures
Measure
Placebo
n=77 Participants
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
n=80 Participants
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
n=81 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Modified Hoehn and Yahr Stage
Modified Hoehn and Yahr Stage at baseline
1.81 units on a scale
Standard Deviation 0.48
1.74 units on a scale
Standard Deviation 0.5
1.72 units on a scale
Standard Deviation 0.5
1.73 units on a scale
Standard Deviation 0.51
Modified Hoehn and Yahr Stage
Modified Hoehn and Yahr Stage at week 12
1.74 units on a scale
Standard Deviation 0.54
1.68 units on a scale
Standard Deviation 0.52
1.69 units on a scale
Standard Deviation 0.52
1.62 units on a scale
Standard Deviation 0.56

SECONDARY outcome

Timeframe: From baseline to week 12

Population: Treated set

Total score ranges from zero (best) to 24 (worst); scale has 8 items, each rated from zero (no chance of dozing) to 3 (high chance of dozing)

Outcome measures

Outcome measures
Measure
Placebo
n=77 Participants
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
n=80 Participants
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
n=81 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Epworth Sleepiness Scale
Epworth Sleepiness Scale at baseline
5.29 units on a scale
Standard Deviation 3.47
5.8 units on a scale
Standard Deviation 3.66
5.78 units on a scale
Standard Deviation 3.74
6.34 units on a scale
Standard Deviation 4.35
Epworth Sleepiness Scale
Epworth Sleepiness Scale at week 12
5.09 units on a scale
Standard Deviation 3.33
6.58 units on a scale
Standard Deviation 3.62
6.44 units on a scale
Standard Deviation 4.21
7.52 units on a scale
Standard Deviation 5.03

SECONDARY outcome

Timeframe: From baseline to week 12

Population: Treated set

Total score ranges from zero (best) to 63 (worst); scale has 21 items, each rated from zero (absent) to 3 (severe)

Outcome measures

Outcome measures
Measure
Placebo
n=77 Participants
matching tablet
Mirapex (Pramipexole 0.5 mg Tid)
n=80 Participants
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Bid)
n=81 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 Participants
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Beck Depression Inventory II
Beck Depression Inventory II at baseline
6.05 units on a scale
Standard Deviation 6.01
6.66 units on a scale
Standard Deviation 5.36
6.96 units on a scale
Standard Deviation 5.14
7.4 units on a scale
Standard Deviation 5.87
Beck Depression Inventory II
Beck Depression Inventory II at week 12
5.92 units on a scale
Standard Deviation 5.83
5.70 units on a scale
Standard Deviation 5.14
5.97 units on a scale
Standard Deviation 5.14
6.54 units on a scale
Standard Deviation 5.19

Adverse Events

Placebo

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

Mirapex (Pramipexole 0.5 mg Bid)

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

Mirapex (Pramipexole 0.75 mg Bid)

Serious events: 2 serious events
Other events: 37 other events
Deaths: 0 deaths

Mirapex (Pramipexole 0.5 mg Tid)

Serious events: 1 serious events
Other events: 43 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo
n=77 participants at risk
matching tablet
Mirapex (Pramipexole 0.5 mg Bid)
n=81 participants at risk
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 participants at risk
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Tid)
n=80 participants at risk
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Cardiac disorders
Coronary Artery Disease
0.00%
0/77 • 12 weeks
0.00%
0/81 • 12 weeks
1.4%
1/73 • 12 weeks
0.00%
0/80 • 12 weeks
Nervous system disorders
Cerebral Infarction, Hemiparesis
0.00%
0/77 • 12 weeks
0.00%
0/81 • 12 weeks
1.4%
1/73 • 12 weeks
0.00%
0/80 • 12 weeks
Gastrointestinal disorders
ileus (patient stopped drugs 2 days prior)
0.00%
0/77 • 12 weeks
0.00%
0/81 • 12 weeks
0.00%
0/73 • 12 weeks
1.2%
1/80 • 12 weeks

Other adverse events

Other adverse events
Measure
Placebo
n=77 participants at risk
matching tablet
Mirapex (Pramipexole 0.5 mg Bid)
n=81 participants at risk
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.5 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.75 mg Bid)
n=73 participants at risk
Week 1: Pramipexole 0.125 mg bid, Week 2: Pramipexole 0.25 mg bid, Week 3: Pramipexole 0.5 mg bid, Week 4 to Week 12: Pramipexole 0.75 mg bid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Mirapex (Pramipexole 0.5 mg Tid)
n=80 participants at risk
Week 1: Pramipexole 0.125 mg tid, Week 2: Pramipexole 0.25 mg tid, Week 3: Pramipexole 0.5 mg tid, Week 4 to Week 12: Pramipexole 0.5 mg tid. After the initial 4 week titration period, each dosage group will maintain the specified dosage for an additional 8 weeks, to complete the 12 week double-blind period.
Nervous system disorders
somnolence
5.2%
4/77 • 12 weeks
17.3%
14/81 • 12 weeks
21.9%
16/73 • 12 weeks
25.0%
20/80 • 12 weeks
Nervous system disorders
dizziness
9.1%
7/77 • 12 weeks
11.1%
9/81 • 12 weeks
6.8%
5/73 • 12 weeks
11.2%
9/80 • 12 weeks
Nervous system disorders
headache
10.4%
8/77 • 12 weeks
8.6%
7/81 • 12 weeks
8.2%
6/73 • 12 weeks
5.0%
4/80 • 12 weeks
Nervous system disorders
tremor
5.2%
4/77 • 12 weeks
1.2%
1/81 • 12 weeks
4.1%
3/73 • 12 weeks
0.00%
0/80 • 12 weeks
Gastrointestinal disorders
nausea
9.1%
7/77 • 12 weeks
22.2%
18/81 • 12 weeks
15.1%
11/73 • 12 weeks
18.8%
15/80 • 12 weeks
Gastrointestinal disorders
constipation
2.6%
2/77 • 12 weeks
9.9%
8/81 • 12 weeks
9.6%
7/73 • 12 weeks
6.2%
5/80 • 12 weeks
Psychiatric disorders
insomnia
5.2%
4/77 • 12 weeks
3.7%
3/81 • 12 weeks
12.3%
9/73 • 12 weeks
6.2%
5/80 • 12 weeks
Psychiatric disorders
abnormal dreams
3.9%
3/77 • 12 weeks
3.7%
3/81 • 12 weeks
2.7%
2/73 • 12 weeks
6.2%
5/80 • 12 weeks
General disorders
fatigue
3.9%
3/77 • 12 weeks
7.4%
6/81 • 12 weeks
9.6%
7/73 • 12 weeks
5.0%
4/80 • 12 weeks
General disorders
oedema peripheral
0.00%
0/77 • 12 weeks
2.5%
2/81 • 12 weeks
5.5%
4/73 • 12 weeks
3.8%
3/80 • 12 weeks

Additional Information

Boehringer Ingelheim Call Center

Boehringer Ingelheim Pharmaceuticals

Phone: 1-800-243-0127

Results disclosure agreements

  • Principal investigator is a sponsor employee Any publication of the result of this trial must be consistent with the Boehringer Ingelheim publication policy. The rights of the investigator and of the sponsor with regard to publication of the results of this trial are described in the investigator contract.
  • Publication restrictions are in place

Restriction type: OTHER