Trial Outcomes & Findings for Dolutegravir Antiretroviral Strategy to Promote Improvement and Reduce Drug Exposure (NCT NCT02263326)

NCT ID: NCT02263326

Last Updated: 2019-10-14

Results Overview

Proportion of participants with treatment failure (defined as virologic failure (HIV RNA \>50 copies/mL), loss to follow-up, or treatment discontinuation) between those who switch to DTG + lamivudine and those who continue their current ART regimen

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

89 participants

Primary outcome timeframe

24 weeks

Results posted on

2019-10-14

Participant Flow

Participant milestones

Participant milestones
Measure
Dolutegravir Plus Lamivudine
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Overall Study
STARTED
44
45
Overall Study
COMPLETED
43
44
Overall Study
NOT COMPLETED
1
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Dolutegravir Plus Lamivudine
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Overall Study
Lost to Follow-up
1
1

Baseline Characteristics

Dolutegravir Antiretroviral Strategy to Promote Improvement and Reduce Drug Exposure

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Dolutegravir Plus Lamivudine
n=44 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=45 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Total
n=89 Participants
Total of all reporting groups
Age, Continuous
46 years
n=5 Participants
50 years
n=7 Participants
47 years
n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
6 Participants
n=7 Participants
11 Participants
n=5 Participants
Sex: Female, Male
Male
39 Participants
n=5 Participants
39 Participants
n=7 Participants
78 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
8 Participants
n=5 Participants
5 Participants
n=7 Participants
13 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
35 Participants
n=5 Participants
40 Participants
n=7 Participants
75 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
1 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
19 Participants
n=5 Participants
15 Participants
n=7 Participants
34 Participants
n=5 Participants
Race (NIH/OMB)
White
23 Participants
n=5 Participants
29 Participants
n=7 Participants
52 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
CD4 Cell Count
694 cells/mm3
n=5 Participants
646 cells/mm3
n=7 Participants
680 cells/mm3
n=5 Participants
Time on Antiretroviral Therapy
5.28 years
n=5 Participants
6.03 years
n=7 Participants
5.7 years
n=5 Participants
Current ART Regimen
Integrase Inhibitor
18 Participants
n=5 Participants
15 Participants
n=7 Participants
33 Participants
n=5 Participants
Current ART Regimen
Protease Inhibitor
14 Participants
n=5 Participants
15 Participants
n=7 Participants
29 Participants
n=5 Participants
Current ART Regimen
Nonnucleoside reverse transcriptase inhibitor
12 Participants
n=5 Participants
15 Participants
n=7 Participants
27 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 24 weeks

Proportion of participants with treatment failure (defined as virologic failure (HIV RNA \>50 copies/mL), loss to follow-up, or treatment discontinuation) between those who switch to DTG + lamivudine and those who continue their current ART regimen

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=44 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=45 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Proportion of Participants With Treatment Failure
0.0682 proportion of participants
0.0667 proportion of participants

SECONDARY outcome

Timeframe: 48 weeks

Proportion of participants with virologic success (\<50 copies/mL) based on FDA snapshot definition

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=44 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=45 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Proportion of Participants With Virologic Success
0.9091 proportion of participants
0.8889 proportion of participants

SECONDARY outcome

Timeframe: Baseline and 48 weeks

Population: Population with CD4 count data available at baseline and week 48

Change in CD4 count between arms will be presented in the attached statistical analysis table

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=40 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=43 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Change in CD4 Count From Baseline to Week 48
39 cells/mm^3
Interval -71.0 to 188.0
28 cells/mm^3
Interval -36.0 to 83.0

SECONDARY outcome

Timeframe: Baseline and 48 weeks

Population: Population with total cholesterol data available at baseline and week 48

Change in Total Cholesterol between arms will be presented in the attached statistical analysis table

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=40 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=43 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Change in Total Cholesterol From Baseline to Week 48
0 mg/dL
Interval -31.0 to 31.0
-1 mg/dL
Interval -13.0 to 9.0

SECONDARY outcome

Timeframe: Baseline and Week 48

Population: Population with LDL cholesterol data available at baseline and week 48

Change in Low-density lipoprotein (LDL) cholesterol between arms will be presented in the attached statistical analysis table

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=40 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=43 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Change in LDL Cholesterol From Baseline to Week 48
2 mg/dL
Interval -19.0 to 27.0
-3 mg/dL
Interval -16.0 to 10.0

SECONDARY outcome

Timeframe: Baseline and Week 48

Population: Population with creatinine clearance data available at baseline and week 48

Change in Creatinine Clearance between arms will be presented in the attached statistical analysis table

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=41 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=43 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Change in Creatinine Clearance From Baseline to Week 48
-4 ml/min
Interval -14.0 to 4.0
0 ml/min
Interval -6.0 to 5.0

SECONDARY outcome

Timeframe: 48 weeks

Drug resistance mutations measured by HIV genotyping in patients with confirmed virologic failure

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=44 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=45 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Drug Resistance Associated Mutations
0 Participants
0 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: 48 weeks

Population: Participants with HIV-1 single copy assays performed at baseline and week 48 timepoints

Difference in HIV-1 detection by the HIV-1 single copy assay between arms will be presented in statistical analysis

Outcome measures

Outcome measures
Measure
Dolutegravir Plus Lamivudine
n=36 Participants
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=36 Participants
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Residual Viremia by HIV-1 Single-copy Assay
4.7 copies/mL
Standard Deviation 7.0
4.2 copies/mL
Standard Deviation 6.0

Adverse Events

Dolutegravir Plus Lamivudine

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Continue Current ART Regimen

Serious events: 2 serious events
Other events: 3 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Dolutegravir Plus Lamivudine
n=44 participants at risk
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=45 participants at risk
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Infections and infestations
Grade 4 viral syndrome
2.3%
1/44 • Number of events 1 • 48 weeks
After study entry, all laboratory values greater than or equal to Grade 3, any laboratory values that lead to a change in study treatment, and all renal, liver function tests, and lipid values, regardless of grade, were reported. All Grade ≥3 signs/symptoms, any signs/symptoms regardless of grade that lead to a change in treatment, or that meet Expedited Adverse Event (EAE), SAE, or ICH guidelines.
0.00%
0/45 • 48 weeks
After study entry, all laboratory values greater than or equal to Grade 3, any laboratory values that lead to a change in study treatment, and all renal, liver function tests, and lipid values, regardless of grade, were reported. All Grade ≥3 signs/symptoms, any signs/symptoms regardless of grade that lead to a change in treatment, or that meet Expedited Adverse Event (EAE), SAE, or ICH guidelines.
Cardiac disorders
Grade 4 myocardial infarctions
0.00%
0/44 • 48 weeks
After study entry, all laboratory values greater than or equal to Grade 3, any laboratory values that lead to a change in study treatment, and all renal, liver function tests, and lipid values, regardless of grade, were reported. All Grade ≥3 signs/symptoms, any signs/symptoms regardless of grade that lead to a change in treatment, or that meet Expedited Adverse Event (EAE), SAE, or ICH guidelines.
4.4%
2/45 • Number of events 2 • 48 weeks
After study entry, all laboratory values greater than or equal to Grade 3, any laboratory values that lead to a change in study treatment, and all renal, liver function tests, and lipid values, regardless of grade, were reported. All Grade ≥3 signs/symptoms, any signs/symptoms regardless of grade that lead to a change in treatment, or that meet Expedited Adverse Event (EAE), SAE, or ICH guidelines.

Other adverse events

Other adverse events
Measure
Dolutegravir Plus Lamivudine
n=44 participants at risk
dolutegravir 50 mg plus lamivudine 300 mg once daily dolutegravir: 50 mg tablet by mouth once daily for 48 weeks lamivudine: 300 mg tablet by mouth once daily for 48 weeks
Continue Current ART Regimen
n=45 participants at risk
Continue current DHHS recommended or alternative three-drug antiretroviral regimen Continue current antiretroviral regimen: Continue current DHHS recommended or alternative three-drug antiretroviral regimen
Hepatobiliary disorders
Grade 3 bilirubinemia
0.00%
0/44 • 48 weeks
After study entry, all laboratory values greater than or equal to Grade 3, any laboratory values that lead to a change in study treatment, and all renal, liver function tests, and lipid values, regardless of grade, were reported. All Grade ≥3 signs/symptoms, any signs/symptoms regardless of grade that lead to a change in treatment, or that meet Expedited Adverse Event (EAE), SAE, or ICH guidelines.
6.7%
3/45 • Number of events 3 • 48 weeks
After study entry, all laboratory values greater than or equal to Grade 3, any laboratory values that lead to a change in study treatment, and all renal, liver function tests, and lipid values, regardless of grade, were reported. All Grade ≥3 signs/symptoms, any signs/symptoms regardless of grade that lead to a change in treatment, or that meet Expedited Adverse Event (EAE), SAE, or ICH guidelines.

Additional Information

Babafemi Taiwo

Northwestern University

Phone: 312-695-5085

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place