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Trial to Compare Time to Response in the Symptoms of Anxiety to Concomitant Treatment With Niravam™ and an SSRI or SNRI to Treatment With an SSRI or SNRI Alone in Subjects With Generalized Anxiety Disorder or Panic Disorder
This study has been completed.
Study NCT00266409   Information provided by UCB, Inc.

First Received on December 15, 2005.   Last Updated on August 30, 2011   History of Changes
Results First Received: May 5, 2009  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Conditions: Generalized Anxiety Disorder
Panic Disorder
Interventions: Drug: Niravam
Drug: SSRI/SNRI

  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
Participants Flow shows 418 subjects that have been enrolled and randomized. The safety population consists of 414 subjects that received at least one dose of SSRI/SNRI and/or Niravam.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Baseline Characteristics are only available for the Intent-to-treat population (subjects who received one dose of SSRI/SNRI and/or Niravam and have an assessment beyond the Baseline assessment)

Reporting Groups
  Description
Panic: Niravam+SSRI/SNRI Panic Disorder: Niravam plus a newly prescribed SSRI or SNRI
Panic: SSRI/SNRI Alone Panic Disorder: Newly prescribed SSRI or SNRI alone
GAD : Niravam+SSRI/SNRI Generalized Anxiety Disorder: Niravam plus newly prescribed SSRI or SNRI
GAD: SSRI/SNRI Alone Generalized Anxiety Disorder: Newly prescribed SSRI or SNRI alone

Participant Flow:   Overall Study
    Panic: Niravam+SSRI/SNRI     Panic: SSRI/SNRI Alone     GAD : Niravam+SSRI/SNRI     GAD: SSRI/SNRI Alone  
STARTED     137     138     72     71  
COMPLETED     92     92     55     49  
NOT COMPLETED     45     46     17     22  
Lack of Efficacy                 2                 6                 1                 2  
Adverse Event                 7                 2                 1                 1  
Lost to Follow-up                 18                 21                 6                 8  
Withdrawal by Subject                 6                 10                 3                 9  
Protocol Violation                 5                 3                 4                 2  
unspecified                 7                 4                 2                 0  



  Baseline Characteristics
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Reporting Groups
  Description
Panic: Niravam+SSRI/SNRI Panic Disorder: Niravam plus a newly prescribed SSRI or SNRI
Panic: SSRI/SNRI Alone Panic Disorder: Newly prescribed SSRI or SNRI alone
GAD : Niravam+SSRI/SNRI Generalized Anxiety Disorder: Niravam plus newly prescribed SSRI or SNRI
GAD: SSRI/SNRI Alone Generalized Anxiety Disorder: Newly prescribed SSRI or SNRI alone

Baseline Measures
    Panic: Niravam+SSRI/SNRI     Panic: SSRI/SNRI Alone     GAD : Niravam+SSRI/SNRI     GAD: SSRI/SNRI Alone     Total  
Number of Participants  
[units: participants]
  125     120     67     62     374  
Age  
[units: participants]
         
<=18 years     0     0     0     0     0  
Between 18 and 65 years     120     119     66     61     366  
>=65 years     5     1     1     1     8  
Age  
[units: years]
Mean ± Standard Deviation
  40.1  ± 12.24     38.1  ± 12.55     40.1  ± 12.64     43.6  ± 12.20     40  ± 12  
Gender  
[units: participants]
         
Female     102     93     50     42     287  
Male     23     27     17     20     87  
Region of Enrollment  
[units: participants]
         
United States     125     120     67     62     374  



  Outcome Measures
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1.  Primary:   Cumulative Percent of Participants Showing a Response in the Symptoms of Anxiety (Decrease in Total Hamilton Anxiety (HAM-A) -Score of >=50%) in the Intent-to-treat Population (Kaplan-Meier-estimates)   [ Time Frame: 10 weeks ]

2.  Primary:   Cumulative Percent of Participants Showing a Response in the Symptoms of Anxiety (Decrease in Total Hamilton Anxiety (HAM-A) -Score of >=50%) in the Per Protocol Population (Kaplan-Meier-estimates)   [ Time Frame: 10 weeks ]

3.  Secondary:   Change From Baseline in the Total HAM-A Score After 1 Week   [ Time Frame: Baseline and 1 week ]

4.  Secondary:   Change From Baseline in the Total HAM-A Score After 2 Weeks   [ Time Frame: Baseline and 2 Weeks ]

5.  Secondary:   Change From Baseline in the Total HAM-A Score After 3 Weeks   [ Time Frame: Baseline and 3 weeks ]

6.  Secondary:   Change From Baseline in the Total HAM-A Score After 4 Weeks   [ Time Frame: Baseline and 4 weeks ]

7.  Secondary:   Change From Baseline in the Total HAM-A Score After 5 Weeks   [ Time Frame: Baseline and 5 weeks ]

8.  Secondary:   Change From Baseline in the Total HAM-A Score After 6 Weeks   [ Time Frame: Baseline and 6 weeks ]

9.  Secondary:   Change From Baseline in the Total HAM-A Score After 7 Weeks   [ Time Frame: Baseline and 7 weeks ]

10.  Secondary:   Change From Baseline in the Total HAM-A Score After 8 Weeks   [ Time Frame: Baseline and 8 weeks ]

11.  Secondary:   Change From Baseline in the Total HAM-A Score at Endpoint During the 8 Week Treatment Period   [ Time Frame: Baseline and at endpoint during the 8 week treatment period ]

12.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 1 Week   [ Time Frame: 1 week ]

13.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 2 Weeks   [ Time Frame: 2 weeks ]

14.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 3 Weeks   [ Time Frame: 3 weeks ]

15.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 4 Weeks   [ Time Frame: 4 weeks ]

16.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 5 Weeks   [ Time Frame: 5 weeks ]

17.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 6 Weeks   [ Time Frame: 6 weeks ]

18.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 7 Weeks   [ Time Frame: 7 weeks ]

19.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) After 8 Weeks   [ Time Frame: 8 weeks ]

20.  Secondary:   Clinical Response (Decrease From Baseline in Total HAM-A-score >=50%) at Endpoint During the 8 Week Treatment Period   [ Time Frame: at endpoint during the 8 week treatment period ]

21.  Secondary:   Change in Severity of Illness From Baseline Using the Clinical Global Impression Improvement (CGI-I) Score After 2 Weeks   [ Time Frame: Baseline and 2 weeks ]

22.  Secondary:   Change in Severity of Illness From Baseline Using the Clinical Global Impression - Improvement (CGI-I) Score After 4 Weeks   [ Time Frame: Baseline and 4 weeks ]

23.  Secondary:   Change in Severity of Illness From Baseline Using the Clinical Global Impression - Improvement (CGI-I) Score After 8 Weeks   [ Time Frame: Baseline and 8 weeks ]

24.  Secondary:   Change in Severity of Illness From Baseline Using the Clinical Global Impression - Improvement (CGI-I) Score at Endpoint During the 8 Week Treatment Period   [ Time Frame: Baseline and at endpoint during the 8 week treatment period ]

25.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 1 Week   [ Time Frame: 1 week ]

26.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 2 Weeks   [ Time Frame: 2 weeks ]

27.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 3 Weeks   [ Time Frame: 3 weeks ]

28.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 4 Weeks   [ Time Frame: 4 weeks ]

29.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 5 Weeks   [ Time Frame: 5 weeks ]

30.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 6 Weeks   [ Time Frame: 6 weeks ]

31.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 7 Weeks   [ Time Frame: 7 weeks ]

32.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score After 8 Weeks   [ Time Frame: 8 weeks ]

33.  Secondary:   Subject's Assessment of Treatment Effect as Measured by the Patient Global Impression (PGI) Score at Endpoint During the 8 Week Treatment Period   [ Time Frame: at endpoint during the 8 week treatment period ]

34.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 1 Week   [ Time Frame: Baseline and 1 week ]

35.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 2 Weeks   [ Time Frame: Baseline and 2 weeks ]

36.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 3 Weeks   [ Time Frame: Baseline and 3 weeks ]

37.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 4 Weeks   [ Time Frame: Baseline and 4 weeks ]

38.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 5 Weeks   [ Time Frame: Baseline and 5 weeks ]

39.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 6 Weeks   [ Time Frame: Baseline and 6 weeks ]

40.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 7 Weeks   [ Time Frame: Baseline and 7 weeks ]

41.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore After 8 Weeks   [ Time Frame: Baseline and 8 weeks ]

42.  Secondary:   Change From Baseline in HAM-A-insomnia Subscore at Endpoint During the 8 Week Treatment Period   [ Time Frame: Baseline and at endpoint during the 8 week treatment period ]

43.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 1 Week   [ Time Frame: Baseline and 1 week ]

44.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 2 Weeks   [ Time Frame: Baseline and 2 weeks ]

45.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 3 Weeks   [ Time Frame: Baseline and 3 weeks ]

46.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 4 Weeks   [ Time Frame: Baseline and 4 weeks ]

47.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 5 Weeks   [ Time Frame: Baseline and 5 weeks ]

48.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 6 Weeks   [ Time Frame: Baseline and 6 weeks ]

49.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 7 Weeks   [ Time Frame: Baseline and 7 weeks ]

50.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore After 8 Weeks   [ Time Frame: Baseline and 8 weeks ]

51.  Secondary:   Change From Baseline in HAM-A-psychic Factors Subscore at Endpoint During the 8 Week Treatment Period   [ Time Frame: Baseline and at endpoint during the 8 week treatment period ]

52.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 1 Week   [ Time Frame: Baseline and 1 week ]

53.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 2 Weeks   [ Time Frame: Baseline and 2 weeks ]

54.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 3 Weeks   [ Time Frame: Baseline and 3 weeks ]

55.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 4 Weeks   [ Time Frame: Baseline and 4 weeks ]

56.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 5 Weeks   [ Time Frame: Baseline and 5 weeks ]

57.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 6 Weeks   [ Time Frame: Baseline and 6 weeks ]

58.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 7 Weeks   [ Time Frame: Baseline and 7 weeks ]

59.  Secondary:   Change From Baseline in HAM-A-somatic Subscore After 8 Weeks   [ Time Frame: Baseline and 8 weeks ]

60.  Secondary:   Change From Baseline in HAM-A-somatic Subscore at Endpoint During the 8 Week Treatment Period   [ Time Frame: Baseline and at endpoint during the 8 week treatment period ]

61.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 1 Week   [ Time Frame: 1 week ]

62.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 2 Weeks   [ Time Frame: 2 weeks ]

63.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 3 Weeks   [ Time Frame: 3 weeks ]

64.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 4 Weeks   [ Time Frame: 4 weeks ]

65.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 5 Weeks   [ Time Frame: 5 weeks ]

66.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 6 Weeks   [ Time Frame: 6 weeks ]

67.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 7 Weeks   [ Time Frame: 7 weeks ]

68.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) After 8 Weeks   [ Time Frame: 8 weeks ]

69.  Secondary:   Presence of Any Panic Attack(s) (for Subjects With Panic Disorder Only) at Endpoint During the 8 Week Treatment Period   [ Time Frame: at endpoint during the 8 week treatment period ]


  Serious Adverse Events
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  Other Adverse Events
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  More Information
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Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.


Limitations and Caveats
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
Originally it was planned to enrol and randomize 848 subjects. The smaller than planned sample size was a result of an unusually high rate of screening failure (results published in Psychiatry 2006, Vol. 3, Issue 12 , pages 39 - 59).  


Results Point of Contact:  
Name/Title: UCB Clinical Trial Call Center
Organization: UCB Pharma
phone: +1 877 822 9493


Publications of Results:
Katzelnick DM, Saidi J, Vanelli MR, Jefferson JW, Harper JM, McCrary KE. Time to Response in Panic Disorder in a Naturalistic Setting: Combination Therapy with Alprazolam Orally Disintegrating Tablets and Serotonin Reuptake Inhibitors Compared to Serotonin Reuptake Inhibitors Alone. Psychiatry 3(12): 39-49, 2006
Rapaport MH, Skarky SB, Katzelnick DJ, DeWester JN, Harper JM, McCrary K. Time to Response in Generalized Anxiety Disorder in a Naturalistic Setting: Combination Therapy with Alprazolam Orally Disintegrating Tablets and Serotonin Reuptake Inhibitors Compared to Serotonin Reuptake Inhibitors alone. Psychiatry 3(12): 50-59, 2006


Responsible Party: UCB, Inc.
ClinicalTrials.gov Identifier: NCT00266409     History of Changes
Other Study ID Numbers: SP851
Study First Received: December 15, 2005
Results First Received: May 5, 2009
Last Updated: August 30, 2011
Health Authority: United States: Institutional Review Board