Trial Outcomes & Findings for Induction-Maintenance With Atazanavir in HIV Naïve Patients (The INDUMA Study) (NCT NCT00207142)

NCT ID: NCT00207142

Last Updated: 2010-01-12

Results Overview

Participants were considered successes unless they experienced treatment failure, or had missing Week 48 HIV-1 RNA. Treatment failure: virologic rebound (ie, 2 consecutive on-treatment HIV-1 RNA ≥ 50 c/mL, or last HIV-1 RNA ≥ 50 c/mL followed by discontinuation), or discontinuation before Week 48. Denominator included all randomized participants.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

252 participants

Primary outcome timeframe

From the end of Induction Phase (Week 26 to Week 30 of Induction Phase treatment) through Week 48 of Maintenance Phase

Results posted on

2010-01-12

Participant Flow

288 subjects were enrolled, of which 36 did not start Induction Phase Therapy (22 did not meet study criteria, 6 withdrew consent, 4 lost to follow-up, 3 had missing information, and 1 for investigator's decision).

Participant milestones

Participant milestones
Measure
Induction Treatment
Atazanavir (ATV) 300 mg + ritonavir (RTV) 100 mg, given once daily (QD) + 2 nucleoside reverse transcriptase inhibitors (NRTIs) during a 26- to 30-week Induction Phase
Maintenance Treatment: Switch Regimen
Participants with confirmed undetectable viral load (ie, HIV-1 RNA viral load \< 50 c/mL on 2 consecutive on-treatment measurements performed from Week 16 up until Week 28 of the Induction Phase), at the end of Induction Phase, who were then randomized to ATV 400 mg QD for an additional 48 weeks (continued previous NRTI).
Maintenance Treatment: Continuation Regimen
Participants with confirmed undetectable viral load (ie, HIV-1 RNA viral load \< 50 c/mL on 2 consecutive on-treatment measurements performed from Week 16 up until Week 28 of the Induction Phase) at the end of Induction Phase, who were then randomized to ATV 300 mg + RTV 100 mg QD for an additional 48 weeks (continued previous NRTI).
Rescue Treatment
Participants without confirmed undetectable viral load at the end of Induction Phase were not randomized, but were offered to continue on ATV 300 mg + RTV 100 mg QD + 2 NRTIs for an additional 48 weeks (continued previous NRTI).
Induction Phase
STARTED
252
0
0
0
Induction Phase
COMPLETED
222
0
0
0
Induction Phase
NOT COMPLETED
30
0
0
0
Maintenance Phase/Rescue Phase
STARTED
0
87
85
50
Maintenance Phase/Rescue Phase
COMPLETED
0
78
72
41
Maintenance Phase/Rescue Phase
NOT COMPLETED
0
9
13
9

Reasons for withdrawal

Reasons for withdrawal
Measure
Induction Treatment
Atazanavir (ATV) 300 mg + ritonavir (RTV) 100 mg, given once daily (QD) + 2 nucleoside reverse transcriptase inhibitors (NRTIs) during a 26- to 30-week Induction Phase
Maintenance Treatment: Switch Regimen
Participants with confirmed undetectable viral load (ie, HIV-1 RNA viral load \< 50 c/mL on 2 consecutive on-treatment measurements performed from Week 16 up until Week 28 of the Induction Phase), at the end of Induction Phase, who were then randomized to ATV 400 mg QD for an additional 48 weeks (continued previous NRTI).
Maintenance Treatment: Continuation Regimen
Participants with confirmed undetectable viral load (ie, HIV-1 RNA viral load \< 50 c/mL on 2 consecutive on-treatment measurements performed from Week 16 up until Week 28 of the Induction Phase) at the end of Induction Phase, who were then randomized to ATV 300 mg + RTV 100 mg QD for an additional 48 weeks (continued previous NRTI).
Rescue Treatment
Participants without confirmed undetectable viral load at the end of Induction Phase were not randomized, but were offered to continue on ATV 300 mg + RTV 100 mg QD + 2 NRTIs for an additional 48 weeks (continued previous NRTI).
Induction Phase
Adverse Event
9
0
0
0
Induction Phase
Death
1
0
0
0
Induction Phase
Lack of Efficacy
1
0
0
0
Induction Phase
Lost to Follow-up
5
0
0
0
Induction Phase
Physician Decision
2
0
0
0
Induction Phase
Poor/noncompliance
2
0
0
0
Induction Phase
Pregnancy
1
0
0
0
Induction Phase
Subject no longer meets study criteria
3
0
0
0
Induction Phase
Withdrawal by Subject
4
0
0
0
Induction Phase
Incarceration
1
0
0
0
Induction Phase
Missing lab data
1
0
0
0
Maintenance Phase/Rescue Phase
Adverse Event
0
1
4
1
Maintenance Phase/Rescue Phase
Lost to Follow-up
0
1
1
2
Maintenance Phase/Rescue Phase
RTV intake impossible
0
0
1
0
Maintenance Phase/Rescue Phase
Poor/noncompliance
0
3
2
3
Maintenance Phase/Rescue Phase
Pregnancy
0
2
2
0
Maintenance Phase/Rescue Phase
Subject no longer meets study criteria
0
0
1
0
Maintenance Phase/Rescue Phase
Withdrawal by Subject
0
2
2
1
Maintenance Phase/Rescue Phase
Death
0
0
0
1
Maintenance Phase/Rescue Phase
Lack of Efficacy
0
0
0
1

Baseline Characteristics

Induction-Maintenance With Atazanavir in HIV Naïve Patients (The INDUMA Study)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Randomized Subjects: Switch Regimen
n=87 Participants
ATV 400 mg QD + 2 NRTIs
Randomized Subjects: Continuation Regimen
n=85 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Nonrandomized Subjects
n=80 Participants
All participants entering Rescue Phase after Induction Phase or discontinued during Induction Phase: ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
n=252 Participants
Total of all reporting groups
Age, Customized
35 years
n=5 Participants
35 years
n=7 Participants
36 years
n=5 Participants
36 years
n=4 Participants
Sex: Female, Male
Female
22 Participants
n=5 Participants
24 Participants
n=7 Participants
16 Participants
n=5 Participants
62 Participants
n=4 Participants
Sex: Female, Male
Male
65 Participants
n=5 Participants
61 Participants
n=7 Participants
64 Participants
n=5 Participants
190 Participants
n=4 Participants
Race/Ethnicity, Customized
White
73 Participants
n=5 Participants
70 Participants
n=7 Participants
66 Participants
n=5 Participants
209 Participants
n=4 Participants
Race/Ethnicity, Customized
Black
14 Participants
n=5 Participants
14 Participants
n=7 Participants
11 Participants
n=5 Participants
39 Participants
n=4 Participants
Race/Ethnicity, Customized
Other
0 Participants
n=5 Participants
1 Participants
n=7 Participants
3 Participants
n=5 Participants
4 Participants
n=4 Participants
Region of Enrollment
Europe
68 participants
n=5 Participants
68 participants
n=7 Participants
60 participants
n=5 Participants
196 participants
n=4 Participants
Region of Enrollment
Russian Federation
19 participants
n=5 Participants
17 participants
n=7 Participants
20 participants
n=5 Participants
56 participants
n=4 Participants
Hepatitis B or C
Hepatitis B/C positive
16 Participants
n=5 Participants
20 Participants
n=7 Participants
23 Participants
n=5 Participants
59 Participants
n=4 Participants
Hepatitis B or C
Hepatitis B/C negative
71 Participants
n=5 Participants
65 Participants
n=7 Participants
57 Participants
n=5 Participants
193 Participants
n=4 Participants
Baseline CD4
255 cells/mm3
n=5 Participants
265 cells/mm3
n=7 Participants
227 cells/mm3
n=5 Participants
245 cells/mm3
n=4 Participants
Baseline HIV-1 RNA
4.85 log10c/mL
n=5 Participants
4.86 log10c/mL
n=7 Participants
5.46 log10c/mL
n=5 Participants
4.95 log10c/mL
n=4 Participants

PRIMARY outcome

Timeframe: From the end of Induction Phase (Week 26 to Week 30 of Induction Phase treatment) through Week 48 of Maintenance Phase

Population: As-randomized population (as-randomized refers to the treatment regimen assigned at randomization).

Participants were considered successes unless they experienced treatment failure, or had missing Week 48 HIV-1 RNA. Treatment failure: virologic rebound (ie, 2 consecutive on-treatment HIV-1 RNA ≥ 50 c/mL, or last HIV-1 RNA ≥ 50 c/mL followed by discontinuation), or discontinuation before Week 48. Denominator included all randomized participants.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=87 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Percentage of Participants With HIV-1 RNA <50 Copies/mL (c/mL) Through Week 48 of the Maintenance Phase
78 Percentage of participants
75 Percentage of participants

SECONDARY outcome

Timeframe: From the end of Induction Phase (Week 26 to Week 30 of Induction Phase treatment) through Week 48 of Maintenance Phase

Population: As-randomized population. (As-randomized refers to the treatment regimen assigned at randomization.)

Participants were considered successes unless they experienced treatment failure, or had missing Week 48 HIV-1 RNA. Treatment failure: virologic rebound (ie, 2 consecutive on-treatment HIV-1 RNA ≥ 400 c/mL, or last HIV-1 RNA ≥ 400 c/mL followed by discontinuation), or discontinuation before Week 48. Denominator included all randomized participants.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=87 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Percentage of Participants With HIV-1 RNA <400 c/mL Through Week 48 of the Maintenance Phase
86 Percentage of participants
81 Percentage of participants

SECONDARY outcome

Timeframe: Weeks 6-8, Weeks 14-16, Weeks 22-24, Weeks 30-32, Weeks 38-40, Weeks 46-48

Population: As-randomized population (as-randomized refers to the treatment regimen assigned at randomization).

Treatment failure based on HIV-1 RNA ≥ 50 c/mL was defined as virologic rebound on or before Week 48 or discontinuation of study therapy before Week 48 for any reason. Time to treatment failure was analyzed using life tables. Measured Values shows the Kaplan-Meier cumulative proportion of participants without treatment failure up to the end of the respective interval.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=87 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥50 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 6-8
0.9655 Proportion of participants
0.9412 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥50 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 14-16
0.9655 Proportion of participants
0.9176 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥50 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 22-24
0.9540 Proportion of participants
0.9059 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥50 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 30-32
0.9310 Proportion of participants
0.8824 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥50 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 38-40
0.8506 Proportion of participants
0.8343 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥50 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 46-48
0.8273 Proportion of participants
0.8176 Proportion of participants

SECONDARY outcome

Timeframe: Weeks 6-8, Weeks 14-16, Weeks 22-24, Weeks 30-32, Weeks 38-40, Weeks 46-48

Population: As-randomized population. (As-randomized refers to the treatment regimen assigned at randomization.)

Treatment failure based on HIV-1 RNA ≥ 400 c/mL was defined as virologic rebound on or before Week 48 or discontinuation of study therapy before Week 48 for any reason. Time to treatment failure was analyzed using life tables. Measured Values shows the Kaplan-Meier cumulative proportion of participants without treatment failure up to the end of the respective interval.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=87 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥400 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 6-8
0.9412 Proportion of participants
0.9885 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥400 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 14-16
0.9176 Proportion of participants
0.9885 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥400 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 22-24
0.9059 Proportion of participants
0.9770 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥400 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 30-32
0.8824 Proportion of participants
0.9540 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥400 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 38-40
0.8585 Proportion of participants
0.8966 Proportion of participants
Kaplan-Meier Cumulative Proportion for Treatment Failure (HIV-1 RNA ≥400 c/mL) at Different Time Points Through Week 48 of the Maintenance Phase
Proportion by Week 46-48
0.8585 Proportion of participants
0.8823 Proportion of participants

SECONDARY outcome

Timeframe: End of Induction Phase (Week 26 to Week 30 of Induction Phase treatment), Week 48 of Maintenance Phase

Population: As-randomized population (as-randomized refers to the treatment regimen assigned at randomization). Analysis uses observed values (participants included are those with CD4 measurements at end of Induction Phase and at Week 48 of Maintenance Phase).

Change in CD4 Cell Count From End of Induction Phase at Week 48 of Maintenance Phase. Change=Week 48 maintenance Phase value - end of Induction Phase value; a decrease signifies worsening.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=76 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=68 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Change From End of Induction Phase in CD4 Cell Count at Week 48 of Maintenance Phase
100 cells/mm3
Standard Error 14.7
92 cells/mm3
Standard Error 18.1

SECONDARY outcome

Timeframe: Baseline, Week 24 of Induction Phase

Population: Analyses use observed values (participants included are those with CD4 measurements at Baseline and at the end of Induction Phase).

Change From Baseline in CD4 Count at Week 24 of Induction Phase. Change=Week 24 Induction Phase value - Baseline value; a decrease signifies worsening.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=155 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=49 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
n=204 Participants
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Change From Baseline in CD4 Cell Count at Week 24 of Induction Phase
170 cells/mm3
Standard Error 10.0
201 cells/mm3
Standard Error 18.5
177 cells/mm3
Standard Error 8.8

SECONDARY outcome

Timeframe: Baseline, Week 48 of Rescue Phase

Population: Analyses use observed values (participants included are those with CD4 measurements at Baseline and Week 48 of Rescue Phase).

Change From Baseline in CD4 Count at Week 48 of Rescue Phase. Change=Week 48 Rescue Phase value - Baseline value; a decrease signifies worsening.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=38 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Change From Baseline in CD4 Cell Count at Week 48 of Rescue Phase
313 cells/mm3
Standard Error 26.6

SECONDARY outcome

Timeframe: Baseline, Week 24 of Induction Phase

Population: Analyses use observed values (participants included are those with HIV-1 RNA measurements at baseline and at Week 24 of Induction Phase).

Change From Baseline in HIV-1 RNA at Week 24 of the Induction Phase. Change=Week 24 Induction Phase value - Baseline value; a decrease signifies improvement.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=151 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=47 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
n=198 Participants
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Change From Baseline in HIV-1 RNA at Week 24 of the Induction Phase
-3.16 log10 c/mL
Standard Error 0.046
-3.35 log10 c/mL
Standard Error 0.135
-3.21 log10 c/mL
Standard Error 0.048

SECONDARY outcome

Timeframe: \Baseline, Week 48 of Rescue Phase

Population: Analyses use observed values (participants included are those with HIV-1 RNA measurements at baseline and at Week 48 of Rescue Phase)

Change From Baseline in HIV-1 RNA at Week 48 of the Rescue Phase. Change=Week 48 Rescue Phase value - Baseline value; a decrease signifies improvement.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=41 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Change From Baseline in HIV-1 RNA at Week 48 of the Rescue Phase
-3.71 log10 c/mL
Standard Error 0.078

SECONDARY outcome

Timeframe: Through Week 48 of Rescue Phase. Measurements were included from the end of Induction Phase through the last dose of Rescue Phase study therapy plus 4 days.

Treatment outcome is based on the first reason of failure. These analyses were performed using HIV-1 RNA of 50 c/mL to define suppression and virologic rebound.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=50 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥50 c/mL) Through the End of Rescue Phase
Suppression Maintained Through Week 48
29 Participants
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥50 c/mL) Through the End of Rescue Phase
Suppression, then Virologic Rebound at/before Wk48
7 Participants
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥50 c/mL) Through the End of Rescue Phase
Discontinuation Before Week 48
8 Participants
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥50 c/mL) Through the End of Rescue Phase
Viral Suppression Never Achieved
6 Participants

SECONDARY outcome

Timeframe: Baseline, Week 48 of Rescue Phase

Treatment outcome is based on the first reason of failure. These analyses were performed using HIV-1 RNA of 400 c/mL to define suppression and virologic rebound.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=50 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥400 c/mL) Through the End of Rescue Phase
Suppression Maintained Through Week 48
39 Participants
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥400 c/mL) Through the End of Rescue Phase
Suppression, then Virologic Rebound at/before Wk48
2 Participants
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥400 c/mL) Through the End of Rescue Phase
Discontinuation Before Week 48
9 Participants
Treatment Outcomes Based on Viral Loads (HIV-1 RNA ≥400 c/mL) Through the End of Rescue Phase
Viral Suppression Never Achieved
0 Participants

SECONDARY outcome

Timeframe: Week 16-18, Week 24-26, Week 38-40, Week 64-66

Description: Time to suppression was measured from the first dose of Induction Phase study therapy to the first of the 2 consecutive measurements \< 50 c/mL. Time to suppression was analyzed using life tables. Measured Values show the Kaplan-Meier cumulative number of treated participants without suppression up to the end of the respective interval.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=172 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=80 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Time to Suppression (Confirmed HIV-1 RNA < 50 c/mL) During Treatment Phase
Number of Participants Suppressed by Wk 16-18
131 Participants
3 Participants
Time to Suppression (Confirmed HIV-1 RNA < 50 c/mL) During Treatment Phase
Number of Participants Suppressed by Wk 24-26
171 Participants
5 Participants
Time to Suppression (Confirmed HIV-1 RNA < 50 c/mL) During Treatment Phase
Number of Participants Suppressed by Wk 38-40
172 Participants
31 Participants
Time to Suppression (Confirmed HIV-1 RNA < 50 c/mL) During Treatment Phase
Number of Participants Suppressed by Wk 64-66
172 Participants
42 Participants

SECONDARY outcome

Timeframe: Week 16-18, Week 24-26, Week 30-32

Time to suppression was measured from the first dose of Induction Phase study therapy to the first of the 2 consecutive measurements \<400 c/mL. Time to suppression was analyzed using life tables. Measured Values show the Kaplan-Meier cumulative number of treated participants without suppression up to the end of the respective interval.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=172 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=80 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Time to Suppression (Confirmed HIV-1 RNA < 400 c/mL) During Treatment Phase
Number of Participants Suppressed by Wk 24-26
171 Participants
54 Participants
Time to Suppression (Confirmed HIV-1 RNA < 400 c/mL) During Treatment Phase
Number of Participants Suppressed by Week 16-18
168 Participants
39 Participants
Time to Suppression (Confirmed HIV-1 RNA < 400 c/mL) During Treatment Phase
Number of Participants Suppressed by Wk 30-32
172 Participants
55 Participants

SECONDARY outcome

Timeframe: Measurements are included through the earlier of the last dose of Induction Phase study therapy plus 30 days or the first dose of Maintenance/Rescue Phase therapy (ie, up until 26 to 31 weeks + 30 days).

Population: Participants who received at least 1 dose of Induction Phase study therapy.

Summary of Adverse Events (AEs), Deaths, Serious AEs (SAEs), and AEs leading to study discontinuation. An AE is defined as any new untoward medical occurrence or worsening of a pre-existing medical condition. An SAE is any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a cancer, is a congenital anomaly/birth defect, results in the development of drug dependency or drug abuse, is an important medical event.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=172 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=80 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
n=252 Participants
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Summary of Adverse Events During Induction Phase
Deaths
0 Participants
3 Participants
3 Participants
Summary of Adverse Events During Induction Phase
SAEs
7 Participants
9 Participants
16 Participants
Summary of Adverse Events During Induction Phase
SAEs related to study therapy
0 Participants
2 Participants
2 Participants
Summary of Adverse Events During Induction Phase
AEs leading to discontinuation
0 Participants
9 Participants
9 Participants

SECONDARY outcome

Timeframe: Measurements are included from the end of Induction Phase (26 to 30 weeks after first dose) through the last dose of Maintenance Phase study therapy plus 30 days.

Population: Participants who received at least 1 dose of Maintenance Phase study therapy. As-treated population (as-treated refers to the actual treatment received during the Maintenance Phase).

Summary of Adverse Events (AEs), Deaths, Serious AEs (SAEs), and AEs leading to study discontinuation. An AE is defined as any new untoward medical occurrence or worsening of a pre-existing medical condition. An SAE is any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a cancer, is a congenital anomaly/birth defect, results in the development of drug dependency or drug abuse, is an important medical event.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=87 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Summary of Adverse Events During Maintenance Phase
Deaths
0 Participants
0 Participants
Summary of Adverse Events During Maintenance Phase
Serious Adverse Events (SAEs)
4 Participants
3 Participants
Summary of Adverse Events During Maintenance Phase
SAEs related to study therapy
0 Participants
0 Participants
Summary of Adverse Events During Maintenance Phase
AEs leading to discontinuation
1 Participants
4 Participants

SECONDARY outcome

Timeframe: Measurements are included from the end of Induction Phase (26 to 30 weeks after the first dose therapy) through the last dose of Rescue Phase study therapy plus 30 days.

Population: Participants who received at least 1 dose of Rescue Phase study therapy

Summary of Adverse Events (AEs), Deaths, Serious AEs (SAEs), and AEs leading to study discontinuation. An AE is defined as any new untoward medical occurrence or worsening of a pre-existing medical condition. An SAE is any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a cancer, is a congenital anomaly/birth defect, results in the development of drug dependency or drug abuse, is an important medical event.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=50 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Summary of Adverse Events During Rescue Phase
Deaths
1 Participants
Summary of Adverse Events During Rescue Phase
SAEs
2 Participants
Summary of Adverse Events During Rescue Phase
SAEs related to study therapy
0 Participants
Summary of Adverse Events During Rescue Phase
AEs leading to discontinuation
1 Participants

SECONDARY outcome

Timeframe: Measurements were included from the end of Induction Phase (Week 26 to Week 30 of Induction therapy) through Week 48 of Maintenance Phase.

Population: Participants who received at least 1 dose of Maintenance Phase study therapy. As-treated population (as-treated refers to the actual treatment received during the Maintenance Phase). Analysis used last observation carried forward (LOCF) to replace missing values.

Percent change in fasting lipids from end of Induction Phase to Week 48 of Maintenance Phase.Percent changes were calculated on the log scale and then back transformed to the original scale.Change=Week 48 maintenance Phase value - end of Induction Phase value; a decrease signifies worsening for HDL cholesterol and improvement for all other lipds.

Outcome measures

Outcome measures
Measure
Switch Regimen
n=81 Participants
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=77 Participants
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Total
All participants treated with Induction Phase therapy (ATV 300 mg + RTV 100 mg QD + 2 NRTIs)
Percent Change From End of Induction Phase in Fasting Lipids at Week 48 of Maintenance Phase
Total Cholesterol
-4.7 percent change
Interval -8.28 to -1.02
1.4 percent change
Interval -1.88 to 4.78
Percent Change From End of Induction Phase in Fasting Lipids at Week 48 of Maintenance Phase
HDL Cholesterol
3.7 percent change
Interval -0.86 to 8.42
0.8 percent change
Interval -4.24 to 6.12
Percent Change From End of Induction Phase in Fasting Lipids at Week 48 of Maintenance Phase
LDL Cholesterol
-0.7 percent change
Interval -6.7 to 5.8
-2.1 percent change
Interval -7.1 to 3.26
Percent Change From End of Induction Phase in Fasting Lipids at Week 48 of Maintenance Phase
Triglycerides
-27.0 percent change
Interval -33.21 to -20.19
9.8 percent change
Interval -1.35 to 22.23
Percent Change From End of Induction Phase in Fasting Lipids at Week 48 of Maintenance Phase
Non-HDL Cholesterol
-7.4 percent change
Interval -12.15 to -2.48
1.1 percent change
Interval -3.34 to 5.65

Adverse Events

Switch Regimen

Serious events: 7 serious events
Other events: 72 other events
Deaths: 0 deaths

Continuation Regimen

Serious events: 5 serious events
Other events: 75 other events
Deaths: 0 deaths

Non-Randomized Participants

Serious events: 11 serious events
Other events: 52 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Switch Regimen
n=87 participants at risk
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 participants at risk
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Non-Randomized Participants
n=80 participants at risk
All participants entering Rescue Phase after Induction Phase or discontinued during Induction Phase (ATV 300mg + RTV 100mg QD + 2NRTIs)
Psychiatric disorders
ANXIETY
0.00%
0/87
0.00%
0/85
1.2%
1/80
Psychiatric disorders
DRUG DEPENDENCE
1.1%
1/87
0.00%
0/85
0.00%
0/80
Psychiatric disorders
SUICIDE ATTEMPT
0.00%
0/87
0.00%
0/85
1.2%
1/80
Hepatobiliary disorders
CHOLELITHIASIS
0.00%
0/87
0.00%
0/85
1.2%
1/80
Gastrointestinal disorders
VOMITING
1.1%
1/87
0.00%
0/85
0.00%
0/80
Gastrointestinal disorders
DIARRHOEA
0.00%
0/87
0.00%
0/85
1.2%
1/80
Gastrointestinal disorders
DUODENITIS
1.1%
1/87
0.00%
0/85
0.00%
0/80
Gastrointestinal disorders
HAEMORRHOIDS
1.1%
1/87
0.00%
0/85
0.00%
0/80
Gastrointestinal disorders
INGUINAL HERNIA
2.3%
2/87
0.00%
0/85
0.00%
0/80
Gastrointestinal disorders
PANCREATITIS ACUTE
0.00%
0/87
0.00%
0/85
2.5%
2/80
Infections and infestations
PNEUMONIA
1.1%
1/87
1.2%
1/85
2.5%
2/80
Infections and infestations
MENINGITIS
0.00%
0/87
0.00%
0/85
1.2%
1/80
Infections and infestations
GASTROENTERITIS
0.00%
0/87
0.00%
0/85
1.2%
1/80
Infections and infestations
APPENDICEAL ABSCESS
0.00%
0/87
1.2%
1/85
0.00%
0/80
Infections and infestations
PNEUMOCYSTIS JIROVECI PNEUMONIA
0.00%
0/87
0.00%
0/85
1.2%
1/80
Blood and lymphatic system disorders
ANAEMIA
1.1%
1/87
0.00%
0/85
1.2%
1/80
Blood and lymphatic system disorders
PANCYTOPENIA
0.00%
0/87
0.00%
0/85
1.2%
1/80
Injury, poisoning and procedural complications
OVERDOSE
0.00%
0/87
1.2%
1/85
0.00%
0/80
Injury, poisoning and procedural complications
ROAD TRAFFIC ACCIDENT
0.00%
0/87
0.00%
0/85
1.2%
1/80
Musculoskeletal and connective tissue disorders
MUSCLE SPASMS
0.00%
0/87
0.00%
0/85
1.2%
1/80
Musculoskeletal and connective tissue disorders
OSTEOARTHRITIS
0.00%
0/87
1.2%
1/85
0.00%
0/80
Respiratory, thoracic and mediastinal disorders
LUNG DISORDER
0.00%
0/87
1.2%
1/85
0.00%
0/80
Respiratory, thoracic and mediastinal disorders
PLEURITIC PAIN
1.1%
1/87
0.00%
0/85
0.00%
0/80
General disorders
MULTI-ORGAN FAILURE
0.00%
0/87
0.00%
0/85
1.2%
1/80
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
NON-HODGKIN'S LYMPHOMA
0.00%
0/87
0.00%
0/85
1.2%
1/80

Other adverse events

Other adverse events
Measure
Switch Regimen
n=87 participants at risk
ATV 400 mg QD + 2 NRTIs
Continuation Regimen
n=85 participants at risk
ATV 300 mg + RTV 100 mg QD + 2 NRTIs
Non-Randomized Participants
n=80 participants at risk
All participants entering Rescue Phase after Induction Phase or discontinued during Induction Phase (ATV 300mg + RTV 100mg QD + 2NRTIs)
Eye disorders
OCULAR ICTERUS
17.2%
15/87
21.2%
18/85
7.5%
6/80
Investigations
BLOOD BILIRUBIN INCREASED
36.8%
32/87
38.8%
33/85
21.2%
17/80
Investigations
ALANINE AMINOTRANSFERASE INCREASED
9.2%
8/87
9.4%
8/85
8.8%
7/80
Investigations
ASPARTATE AMINOTRANSFERASE INCREASED
8.0%
7/87
3.5%
3/85
8.8%
7/80
Psychiatric disorders
DEPRESSION
5.7%
5/87
2.4%
2/85
3.8%
3/80
Hepatobiliary disorders
JAUNDICE
4.6%
4/87
10.6%
9/85
3.8%
3/80
Hepatobiliary disorders
HYPERBILIRUBINAEMIA
5.7%
5/87
5.9%
5/85
6.2%
5/80
Nervous system disorders
HEADACHE
12.6%
11/87
15.3%
13/85
10.0%
8/80
Gastrointestinal disorders
NAUSEA
11.5%
10/87
15.3%
13/85
15.0%
12/80
Gastrointestinal disorders
VOMITING
2.3%
2/87
5.9%
5/85
6.2%
5/80
Gastrointestinal disorders
DIARRHOEA
16.1%
14/87
16.5%
14/85
6.2%
5/80
Gastrointestinal disorders
ABDOMINAL PAIN
8.0%
7/87
10.6%
9/85
2.5%
2/80
Gastrointestinal disorders
ABDOMINAL PAIN UPPER
1.1%
1/87
5.9%
5/85
5.0%
4/80
Infections and infestations
SINUSITIS
2.3%
2/87
5.9%
5/85
0.00%
0/80
Infections and infestations
BRONCHITIS
9.2%
8/87
8.2%
7/85
2.5%
2/80
Infections and infestations
PHARYNGITIS
6.9%
6/87
1.2%
1/85
1.2%
1/80
Infections and infestations
NASOPHARYNGITIS
5.7%
5/87
8.2%
7/85
8.8%
7/80
Infections and infestations
VIRAL INFECTION
3.4%
3/87
2.4%
2/85
6.2%
5/80
Infections and infestations
RESPIRATORY TRACT INFECTION
2.3%
2/87
1.2%
1/85
5.0%
4/80
Metabolism and nutrition disorders
HYPERTRIGLYCERIDAEMIA
2.3%
2/87
1.2%
1/85
5.0%
4/80
Skin and subcutaneous tissue disorders
RASH
3.4%
3/87
8.2%
7/85
5.0%
4/80
Respiratory, thoracic and mediastinal disorders
COUGH
4.6%
4/87
7.1%
6/85
1.2%
1/80
Respiratory, thoracic and mediastinal disorders
RHINORRHOEA
3.4%
3/87
7.1%
6/85
6.2%
5/80
General disorders
PYREXIA
5.7%
5/87
5.9%
5/85
1.2%
1/80
General disorders
ASTHENIA
8.0%
7/87
11.8%
10/85
10.0%
8/80
General disorders
INFLUENZA LIKE ILLNESS
3.4%
3/87
7.1%
6/85
3.8%
3/80

Additional Information

Study Director

Bristol-Myers Squibb

Results disclosure agreements

  • Principal investigator is a sponsor employee Bristol-Myers Squibb Co. agreements with investigators vary; constant is our right to embargo communications regarding trial results prior to public release for a period ≤60 days from submittal for review. We will not prohibit investigators from publishing, but will prohibit the disclosure of previously undisclosed confidential information other than study results, and request postponement of single-center publications until after disclosure of the clinical trial's primary publication.
  • Publication restrictions are in place

Restriction type: OTHER