Safety and Effectiveness of Lopinavir/Ritonavir in Individuals Who Have Failed Prior HIV Therapy

This study has been completed.
Sponsor:
Collaborator:
Information provided by (Responsible Party):
AIDS Clinical Trials Group
ClinicalTrials.gov Identifier:
NCT00357552
First received: July 25, 2006
Last updated: August 23, 2012
Last verified: August 2012
Results First Received: May 23, 2012  
Study Type: Interventional
Study Design: Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Single Group Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: HIV Infections
Interventions: Drug: Emtricitabine/Tenofovir disoproxil fumarate
Drug: Lopinavir/Ritonavir

  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
LPV/r Monotherapy Participants will receive lopinavir/ritonavir twice daily for up to 104 weeks. Upon confirmation of virologic failure, emtricitabine (FTC)/tenofovir (TDF) once a day will be added to their regimen.

Participant Flow for 3 periods

Period 1:   Screening
    LPV/r Monotherapy  
STARTED     207 [1]
COMPLETED     123 [2]
NOT COMPLETED     84  
Did not meet eligibility criteria                 84  
[1] The number of participants who started this period, is the number of participants who screened.
[2] The number of participants who completed this period, is the number of participants who enrolled.

Period 2:   Weeks 0 to 24
    LPV/r Monotherapy  
STARTED     123  
COMPLETED     122 [1]
NOT COMPLETED     1  
Death                 1  
[1] One subject died prior to week 24.

Period 3:   Weeks 24 to 104
    LPV/r Monotherapy  
STARTED     122  
COMPLETED     117  
NOT COMPLETED     5  
Death                 3  
Not able to get to clinic                 2  



  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
LPV/r Monotherapy Participants will receive lopinavir/ritonavir twice daily for up to 104 weeks. Upon confirmation of virologic failure, emtricitabine (FTC)/tenofovir (TDF) once a day will be added to their regimen.

Baseline Measures
    LPV/r Monotherapy  
Number of Participants  
[units: participants]
  123  
Age  
[units: participants]
 
<=18 years     0  
Between 18 and 65 years     123  
>=65 years     0  
Age  
[units: years]
Mean ± Standard Deviation
  39.4  ± 8.2  
Gender  
[units: participants]
 
Female     70  
Male     53  
Region of Enrollment  
[units: participants]
 
South Africa     22  
Thailand     24  
India     12  
Malawi     40  
Tanzania     25  



  Outcome Measures
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1.  Primary:   Percentage of Enrolled Participants With Virologic Success at Week 24 on LPV/r Monotherapy   [ Time Frame: From study entry to week 24 ]

2.  Primary:   Probability of Grade 3 or 4 Sign or Symptom, or Laboratory Toxicity Over 24 Weeks on Study.   [ Time Frame: From study entry to week 24 ]

3.  Secondary:   Number of Screened Subjects With at Least One NNRTI, or NRTI-associated Resistance Mutation at A5230 Screening.   [ Time Frame: Screening ]
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Measure Type Secondary
Measure Title Number of Screened Subjects With at Least One NNRTI, or NRTI-associated Resistance Mutation at A5230 Screening.
Measure Description Number of screened subjects with at least one NNRTI, or NRTI-associated resistance mutation. Resistance interpretations used the November 30, 2011 Stanford algorithm.
Time Frame Screening  
Safety Issue No  

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.
All screened individuals.

Reporting Groups
  Description
All Screened Subjects With Available Sequences All screened individuals, for whom a sequence could be obtained, regardless of whether they enrolled or not.

Measured Values
    All Screened Subjects With Available Sequences  
Number of Participants Analyzed  
[units: participants]
  207  
Number of Screened Subjects With at Least One NNRTI, or NRTI-associated Resistance Mutation at A5230 Screening.  
[units: number of screened subjects]
 
At least one NNRTI-associated mutation     201  
At least one NRTI-associated mutation     197  

No statistical analysis provided for Number of Screened Subjects With at Least One NNRTI, or NRTI-associated Resistance Mutation at A5230 Screening.



4.  Secondary:   Number of Subjects With at Least One New PI-associated Resistance Mutation at Time of Virologic Failure.   [ Time Frame: At time of virologic failure ]

5.  Secondary:   Percentage of Subjects Reporting Not Skipping Medications in the Last Month.   [ Time Frame: Study entry and weeks 2, 4, 8, 12, 16, 20, and 24 ]

6.  Secondary:   Time to Treatment Failure, Defined as the First Occurrence of Death, Disease Progression, or Virologic Failure.   [ Time Frame: Study entry to Week 104 ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   Yes

7.  Secondary:   HIV-related Diagnoses and Clinical Events   [ Time Frame: Study entry to week 104 ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   No

8.  Secondary:   Time to First New Grade 3 or 4 Sign or Symptom or Laboratory Toxicity Following LPV/r Intensification   [ Time Frame: From LPV/r intensification to week 104 ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   Yes

9.  Secondary:   Level of HIV-1 RNA as Ascertained From Paired DBS and Plasma   [ Time Frame: At study entry and weeks 24 and 48 ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   No

10.  Secondary:   HIV-1 Viral Sequence as Ascertained From Paired DBS and Plasma   [ Time Frame: At study entry and virologic failure ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   No

11.  Secondary:   Plasma HIV-1 RNA Levels Less Than 50 Copies/ml From Study Entry to Week 104.   [ Time Frame: From study entry to week 104 ]
Results not yet posted.   Anticipated Posting Date:   10/2010   Safety Issue:   No

12.  Secondary:   Plasma HIV-1 RNA Levels < 400 Copies/mL From Baseline to Week 104   [ Time Frame: From study entry to week 104 ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   No

13.  Secondary:   Change in CD4+ Cell Counts From Baseline to Week 104   [ Time Frame: From study entry to week 104 ]
Results not yet posted.   Anticipated Posting Date:   10/2012   Safety Issue:   No


  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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