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Retapamulin Ointment in Healthy Adults Nasally Colonized With Staphylococcus Aureus
This study has been completed.
Study NCT00539994   Information provided by GlaxoSmithKline

First Received on October 4, 2007.   Last Updated on August 25, 2011   History of Changes
Results First Received: January 9, 2009  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Single Group Assignment;   Masking: Double Blind (Subject, Investigator);   Primary Purpose: Treatment
Condition: Infections, Bacterial
Interventions: Drug: retapamulin
Drug: Retapamulin
Drug: Placebo

  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
Retapamulin 3 Days Retapamulin ointment, 1% 200 mg BID 3 days and 200 mg Placebo BID for 2 days
Retapamulin 5 Days Retapamulin ointment, 1% 200 mg BID 5 days
Placebo Placebo 200 mg BID for 5 days

Participant Flow:   Overall Study
    Retapamulin 3 Days     Retapamulin 5 Days     Placebo  
STARTED     23     19     15  
COMPLETED     20     18     13  
NOT COMPLETED     3     1     2  
Lost to Follow-up                 2                 1                 0  
Withdrawal by Subject                 1                 0                 1  
Physician Decision                 0                 0                 1  



  Baseline Characteristics
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Reporting Groups
  Description
Retapamulin 3 Days Retapamulin ointment, 1% 200 mg BID 3 days and 200 mg Placebo BID for 2 days
Retapamulin 5 Days Retapamulin ointment, 1% 200 mg BID 5 days
Placebo Placebo 200 mg BID for 5 days

Baseline Measures
    Retapamulin 3 Days     Retapamulin 5 Days     Placebo     Total  
Number of Participants  
[units: participants]
  23     19     15     57  
Age  
[units: Years]
Mean ± Standard Deviation
  31.8  ± 10.80     35.8  ± 11.16     33.7  ± 12.67     33.6  ± 11.36  
Gender  
[units: participants]
       
Female     6     6     2     14  
Male     17     13     13     43  
Race/Ethnicity, Customized  
[units: Participants]
       
African American/African Heritage     4     7     3     14  
Asian - East Asian Heritage     0     0     1     1  
Asian - Japanese Heritage     0     2     0     2  
Asian - South East Asian Heritage     0     1     0     1  
White     18     7     9     34  
Mixed Race     1     2     2     5  
Race/Ethnicity, Customized  
[units: participants]
       
Hispanic or Latino     1     1     2     4  
Not Hispanic or Latino     22     18     13     53  
Efficacy population by carrier type (persistent vs intermittent)  
[units: participants]
       
Persistent, Intent-to-Treat     17     16     13     46  
Intermittent, Intent-to-Treat     1     2     0     3  
Excluded from analysis     5     1     2     8  



  Outcome Measures
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1.  Primary:   Plasma Retapumulin Pharmacokinetic Parameters by Treatment at Days 1 and 3 Evaluated by Plasma AUC After Dosing   [ Time Frame: Days 1 and 3 ]

2.  Primary:   Plasma Retapumulin Pharmacokinetic Parameters by Treatment at Day 5 Evaluated by Plasma AUC After Dosing   [ Time Frame: Day 5 ]

3.  Primary:   Plasma Retapumulin Pharmacokinetic Parameters by Treatment at Days 1 and 3 Evaluated by Plasma Cmax After Dosing   [ Time Frame: Days 1 and 3 ]

4.  Primary:   Plasma Retapumulin Pharmacokinetic Parameters by Treatment at Day 5 Evaluated by Plasma Cmax After Dosing   [ Time Frame: Day 5 ]

5.  Primary:   Percentage of Participants With Eradication of S. Aureus Nasal Carriage at Day 12 Who Were Categorized as Persistent Carriers of S. Aureus   [ Time Frame: Day 12 ]

6.  Secondary:   Plasma Retapumulin Pharmacokinetic Parameters, Tmax, by Treatment at Days 1 and 3   [ Time Frame: Days 1 and 3 ]

7.  Secondary:   Plasma Retapumulin Pharmacokinetic Parameters by Treatment at Day 5   [ Time Frame: Day 5 ]

8.  Secondary:   Percentage of Participants With Eradication of S. Aureus Nasal Carriage at Days 7 and 33 Who Were Categorized as Persistent Carriers of S. Aureus   [ Time Frame: Days 7 and 33 ]

9.  Secondary:   Percentage of Participants With Eradication of S. Aureus Nasal Carriage at Each Post Treatment Visit Stratified by Pharyngeal Carriage Status   [ Time Frame: Days 1, 7, 12, and 33 ]

10.  Secondary:   Percentage of Participants With Nasal Recolonization With S. Aureus on Study Days 12 and 33 Who Were Persistant Carriers Who Tested Positive in the Pharyngeal Region on Days 12 and 33 But Negative in the Nasal Region on Day 7 or Days 7 and 12   [ Time Frame: Days 7, 12, and 33 ]

11.  Secondary:   Prevalence of S. Aureus Nasal and Pharyngeal Carriage by Visit.   [ Time Frame: Screening Visits 1 (Day -42 to Day -14), 2 (Day -11 to Day -4), and 3 (Day -11 to Day -4) and Day 1 ]

12.  Secondary:   Number of Participants With a Nasal Culture Negative for MRSA (Methicillin-resistant S. Aureus)   [ Time Frame: Days 7, 12, and 33 ]

13.  Other Pre-specified:   Percentage of Participants With Nasal Recolonization With S. Aureus on Study Days 12 and 33 Who Were Persistant Carriers Who Tested Positive in the Pharyngeal Region on Days 12 and 33 But Negative in the Nasal Region on Day 7 or Days 7 and 12   [ Time Frame: Days 7, 12, and 33. ]


  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
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Results Point of Contact:  
Name/Title: GSK Response Center
Organization: GlaxoSmithKline
phone: 866-435-7343


No publications provided


Responsible Party: Cheri Hudson; Clinical Disclosure Advisor, GSK Clinical Disclosure
ClinicalTrials.gov Identifier: NCT00539994     History of Changes
Other Study ID Numbers: ALB110247
Study First Received: October 4, 2007
Results First Received: January 9, 2009
Last Updated: August 25, 2011
Health Authority: United States: Food and Drug Administration