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An Open-Label Trial Measuring Satisfaction And Convenience Of Two Formulations Of Lamotrigine In Subjects With A Mood Disorder
This study has been completed.
Study NCT00579982   Information provided by GlaxoSmithKline
First Received: December 20, 2007   Last Updated: September 16, 2009   History of Changes
Study Type: Interventional
Study Design: Non-Randomized, Open Label, Single Group Assignment
Condition: Mood Disorder
Intervention: Drug: Lamotrigine

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
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Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
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Reporting Groups
  Description
Lamotrigine Orally Disintegrating Tablet (ODT). ODT dosing was to match the dose and regimen of the immediate release (IR) dose the subject was taking at baseline. The mean (standard deviation [SD]) ODT dose was 261.3 (118.9) mg/day.

Participant Flow:   Overall Study
  Lamotrigine
STARTED   97  
COMPLETED   89  
NOT COMPLETED   8  
      Adverse Event               4  
      Protocol Violation               4  



  Baseline Characteristics
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Reporting Groups
  Description
Lamotrigine Orally Disintegrating Tablet (ODT). ODT dosing was to match the dose and regimen of the immediate release (IR) dose the subject was taking at baseline. The mean (standard deviation [SD]) ODT dose was 261.3 (118.9) mg/day.

Baseline Measures
  Lamotrigine
Number of Participants  
[units: participants]
97
Age  
[units: years]
Mean ± Standard Deviation
41.0 ± 12.07
Gender  
[units: participants]
 
Female 83
Male 14
Race/Ethnicity, Customized  
[units: participants]
 
White 94
Black 2
Mixed race 1



  Outcome Measures
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1.  Primary:   Mean Change From Baseline in the Convenience Subscale Score (CSS) Derived From the Treatment Satisfaction Questionnaire for Medication (TSQM v 1.4) Using Items 9 (Ease of Use), 10 (Ease of Planning to Use), and 11 (Convenience) at Week 3.   [ Baseline, End of Study (Week 3) or Early Withdrawal ]

2.  Secondary:   Mean Change From Baseline in the Global Satisfaction Subscale Score, From the TSQM Using Items 12 (Confidence in Medicine), 13 (Certainty That Good Things About Medication Outweigh Bad Things), and 14 (Satisfaction With Medication) at Week 3   [ Baseline, End of Study (Week 3) or Early Withdrawal ]

3.  Secondary:   Mean Change From Baseline in Clinical Global Impression of Illness-Severity at Week 3   [ Baseline, End of Study (Week 3) or at Early Withdrawal ]

4.  Secondary:   Mean Change From Baseline in the Beck Depression Inventory (BDI-II) Score at Week 3   [ Baseline, End of Study (Week 3 weeks) or at Early Withdrawal ]

5.  Secondary:   Number of Participants Answering the Question "Did the Tablets Dissolve Instantly (Yes or no)?" at Week 3   [ End of Study (Week 3) or Early Withdrawal ]

6.  Secondary:   Number of Participants Answering the Question "How Satisfied or Dissatisfied Were You With the Time it Took the Tablet to Dissolve" at Week 3   [ Baseline, End of Study (Week 3) or Early Withdrawal ]

7.  Secondary:   Number of Participants Answering the Question “How Did the Dissolved Tablet Feel in Your Mouth?” at Week 3   [ End of Study (Week 3) or Early Withdrawal ]

8.  Secondary:   Number of Participants Answering the Question "How Satisfied Were You With the Flavor of the Tablet?" at Week 3   [ End of Study (Week 3) or Early Withdrawal ]

9.  Secondary:   Number of Participants Answering the Question "How Would You Rate the Strength of the Flavor of the Tablet"? at Week 3   [ End of Study (Week 3) or Early Withdrawal ]

10.  Secondary:   Number of Participants Answering the Question "How Would You Rate the Aftertaste of the Tablet"? at Week 3.   [ End of Study (Week 3) or Early Withdrawal ]

11.  Secondary:   Number of Participants Answering the Question "How Satisfied Were You With the Aftertaste of the Tablet"? at Week 3   [ Baseline, End of Study (Week 3) or Early Withdrawal ]

12.  Secondary:   Number of Participants Answering the Question "Compared to Standard Tablets That Need to be Swallowed With Liquid, How Convenient or Inconvenient Did You Find This Orally Disintegrating Tablet"? at Week 3   [ End of Study (Week 3) or at Early Withdrawal ]

13.  Secondary:   Number of Participants Answering the Question "Compared to Standard Tablets That Need to be Swallowed With Liquid, How Easy or Difficult is it to Use This Orally Disintegrating Tablet?" at Week 3   [ End of Study (Week 3) or at Early Withdrawal ]

14.  Secondary:   Number of Participants Indicating a Preference for ODT or the Standard IR Tablet at Week 3   [ End of Study (Week 3) or at Early Withdrawal ]

15.  Secondary:   Number of Companions/Caregivers Indicating Whether ODT or Standard IR Tablet is More Convenient at Week 3   [ End of Study (Week 3) or at Early Withdrawal ]

16.  Secondary:   Number of Participants Indicating at Week 3 (by Answering Yes/no) That They Would be More Likely to Take the ODT Formulation   [ End of Study (Week 3) or at Early Withdrawal ]


  Serious Adverse Events
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  Other Adverse Events
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