Study of (Mirapex) Pramipexole for the Early Treatment of Parkinsons Disease (PD)

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Boehringer Ingelheim
ClinicalTrials.gov Identifier:
NCT00321854
First received: May 3, 2006
Last updated: May 7, 2014
Last verified: March 2014
Results First Received: December 18, 2009  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor);   Primary Purpose: Treatment
Condition: Parkinson Disease
Intervention: Drug: pramipexole

  Participant Flow


  Baseline Characteristics
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Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
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Reporting Groups
  Description
Early Pramipexole 1.5 milligrams/day pramipexole (for up to 15 months)
Delayed Pramipexole Placebo (for first 6 to 9 months) + 1.5 milligrams/day pramipexole (for following 6 months)
Total Total of all reporting groups

Baseline Measures
    Early Pramipexole     Delayed Pramipexole     Total  
Number of Participants  
[units: participants]
  261     274     535  
Age [1]
[units: Years]
Mean ± Standard Deviation
  62.1  ± 10.1     62.9  ± 9.9     62.5  ± 10  
Gender [1]
[units: participants]
     
Female     84     108     192  
Male     177     166     343  
[1] Treated set (TS)



  Outcome Measures
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1.  Primary:   Change From Baseline in the Blinded Rater Unified Parkinson's Disease Rating Scale (UPDRS) Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

2.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

3.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Total Score at Month 9   [ Time Frame: Baseline and Month 9 ]

4.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Total Score at Month 6   [ Time Frame: Baseline and Month 6 ]

5.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Total Score at Month 3   [ Time Frame: Baseline and Month 3 ]

6.  Secondary:   Change From Baseline in the Blinded Rater UPDRS Parts II+III Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

7.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Parts II+III Score at Month 15   [ Time Frame: Baseline and Month 15 ]

8.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Parts II+III Score at Month 9   [ Time Frame: Baseline and Month 9 ]

9.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Parts II+III Score at Month 6   [ Time Frame: Baseline and Month 6 ]

10.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Parts II+III Score at Month 3   [ Time Frame: Baseline and Month 3 ]

11.  Secondary:   Change From Baseline in the Blinded Rater UPDRS Part III Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

12.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part III Score at Month 15   [ Time Frame: Baseline and Month 15 ]

13.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part III Score at Month 9   [ Time Frame: Baseline and Month 9 ]

14.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part III Score at Month 6   [ Time Frame: Baseline and Month 6 ]

15.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part III Score at Month 3   [ Time Frame: Baseline and Month 3 ]

16.  Secondary:   Change From Baseline in the Blinded Rater UPDRS Part II Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

17.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part II Score at Month 15   [ Time Frame: Baseline and Month 15 ]

18.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part II Score at Month 9   [ Time Frame: Baseline and Month 9 ]

19.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part II Score at Month 6   [ Time Frame: Baseline and Month 6 ]

20.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part II Score at Month 3   [ Time Frame: Baseline and Month 3 ]

21.  Secondary:   Change From Baseline in the Blinded Rater UPDRS Part I Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

22.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part I Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

23.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part I Total Score at Month 9   [ Time Frame: Baseline and Month 9 ]

24.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part I Total Score at Month 6   [ Time Frame: Baseline and Month 6 ]

25.  Secondary:   Change From Baseline in the Investigator Rated UPDRS Part I Total Score at Month 3   [ Time Frame: Baseline and Month 3 ]

26.  Secondary:   Number of Responders Using the Blinded Rater Assessment of Clinical Global Impressions of Global Improvement (CGI-I) Score at Month 15   [ Time Frame: Month 15 ]

27.  Secondary:   Change From Baseline in Blinded Rater Assessment of Clinical Global Impressions of Severity of Illness (CGI-S) Category at Month 15   [ Time Frame: Baseline and Month 15 ]

28.  Secondary:   Change From Baseline in the Beck Depression Inventory-Version 1A (BDI-IA) Total Score at Month 15   [ Time Frame: Baseline and Month 15 ]

29.  Secondary:   Change From Baseline in the Beck Depression Inventory-Version 1A (BDI-IA) Total Score at Month 9   [ Time Frame: Baseline and Month 9 ]

30.  Secondary:   Change From Baseline in the Beck Depression Inventory-Version 1A (BDI-IA) Total Score at Month 6   [ Time Frame: Baseline and Month 6 ]

31.  Secondary:   Change From Baseline in the Beck Depression Inventory-Version 1A (BDI-IA) Total Score at Month 3   [ Time Frame: Baseline and Month 3 ]

32.  Secondary:   Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Overall Index Score at Month 15   [ Time Frame: Baseline and Month 15 ]

33.  Secondary:   Change From Baseline in the Parkinson's Disease Questionnaire-39 (PDQ-39) Overall Index Score at Month 9   [ Time Frame: Baseline and Month 9 ]

34.  Secondary:   Change From Baseline in the European Quality of Life Scale (EUROQOL (EQ)-5D) Overall Index Score at Month 15   [ Time Frame: Baseline and Month 15 ]

35.  Secondary:   Change From Baseline in the European Quality of Life Scale (EUROQOL (EQ)-5D) Overall Index Score at Month 9   [ Time Frame: Baseline and Month 9 ]

36.  Secondary:   Change From Baseline in the European Quality of Life Visual Analogue Scale (EUROQOL (EQ) VAS) Score at Month 15   [ Time Frame: Baseline and Month 15 ]

37.  Secondary:   Change From Baseline in the European Quality of Life Visual Analogue Scale (EUROQOL (EQ) VAS) Score at Month 9   [ Time Frame: Baseline and Month 9 ]

38.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) Risk of Gambling at Month 1   [ Time Frame: Month 1 ]

39.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) Risk of Gambling at Month 6   [ Time Frame: Month 6 ]

40.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) Risk of Gambling at Month 9   [ Time Frame: Month 9 ]

41.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) Risk of Gambling at Month 12   [ Time Frame: Month 12 ]

42.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) Risk of Gambling at Month 15   [ Time Frame: Month 15 ]

43.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Sexual Behaviour at Month 1   [ Time Frame: Month 1 ]

44.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Sexual Behaviour at Month 6   [ Time Frame: Month 6 ]

45.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Sexual Behaviour at Month 9   [ Time Frame: Month 9 ]

46.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Sexual Behaviour at Month 12   [ Time Frame: Month 12 ]

47.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Sexual Behaviour at Month 15   [ Time Frame: Month 15 ]

48.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Buying at Month 1   [ Time Frame: Month 1 ]

49.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Buying at Month 6   [ Time Frame: Month 6 ]

50.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Buying at Month 9   [ Time Frame: Month 9 ]

51.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Buying at Month 12   [ Time Frame: Month 12 ]

52.  Secondary:   Modified Minnesota Disorders Interview (MMIDI) for Compulsive Buying at Month 15   [ Time Frame: Month 15 ]

53.  Secondary:   Percentage Change From Baseline in the Striatum Uptake at Month 15   [ Time Frame: Baseline and Month 15 ]

54.  Secondary:   Clinically Significant Abnormalities in Clinical Laboratory Measurements - Haematology and Electrolytes   [ Time Frame: Baseline and Month 15 ]

55.  Secondary:   Clinically Significant Abnormalities in Clinical Laboratory Measurements - Enzymes   [ Time Frame: Baseline and Month 15 ]

56.  Secondary:   Clinically Significant Abnormalities in Clinical Laboratory Measurements - Substrates   [ Time Frame: Baseline and Month 15 ]

57.  Secondary:   Clinically Significant Abnormalities in Vital Signs   [ Time Frame: Baseline and Month 15 ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
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Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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