Early antiretroviral therapy reduces AIDS progression/death in individuals with acute opportunistic infections: a multicenter randomized strategy trial

Andrew Zolopa, Janet Andersen, William Powderly, Alejandro Sanchez, Ian Sanne, Carol Suckow, Evelyn Hogg, Lauren Komarow, Andrew Zolopa, Janet Andersen, William Powderly, Alejandro Sanchez, Ian Sanne, Carol Suckow, Evelyn Hogg, Lauren Komarow

Abstract

Background: Optimal timing of ART initiation for individuals presenting with AIDS-related OIs has not been defined.

Methods and findings: A5164 was a randomized strategy trial of "early ART"--given within 14 days of starting acute OI treatment versus "deferred ART"--given after acute OI treatment is completed. Randomization was stratified by presenting OI and entry CD4 count. The primary week 48 endpoint was 3-level ordered categorical variable: 1. Death/AIDS progression; 2. No progression with incomplete viral suppression (ie HIV viral load (VL) >or=50 copies/ml); 3. No progression with optimal viral suppression (ie HIV VL <50 copies/ml). Secondary endpoints included: AIDS progression/death; plasma HIV RNA and CD4 responses and safety parameters including IRIS. 282 subjects were evaluable; 141 per arm. Entry OIs included Pneumocytis jirovecii pneumonia 63%, cryptococcal meningitis 12%, and bacterial infections 12%. The early and deferred arms started ART a median of 12 and 45 days after start of OI treatment, respectively. THE DIFFERENCE IN THE PRIMARY ENDPOINT DID NOT REACH STATISTICAL SIGNIFICANCE: AIDS progression/death was seen in 20 (14%) vs. 34 (24%); whereas no progression but with incomplete viral suppression was seen in 54 (38%) vs. 44 (31%); and no progression with optimal viral suppression in 67 (48%) vs 63 (45%) in the early vs. deferred arm, respectively (p = 0.22). However, the early ART arm had fewer AIDS progression/deaths (OR = 0.51; 95% CI = 0.27-0.94) and a longer time to AIDS progression/death (stratified HR = 0.53; 95% CI = 0.30-0.92). The early ART had shorter time to achieving a CD4 count above 50 cells/mL (p<0.001) and no increase in adverse events.

Conclusions: Early ART resulted in less AIDS progression/death with no increase in adverse events or loss of virologic response compared to deferred ART. These results support the early initiation of ART in patients presenting with acute AIDS-related OIs, absent major contraindications.

Trial registration: ClinicalTrials.gov NCT00055120.

Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1. Study Subject Enrollment and Discontinuation.
Figure 1. Study Subject Enrollment and Discontinuation.
Figure 2. Time to ART initiation from…
Figure 2. Time to ART initiation from the start of OI/BI treatment.
Early arm median 12 days [IQR 9–13 days]; Deferred arm median 45 days [IQR 41–55 days].
Figure 3. Time to AIDS progression or…
Figure 3. Time to AIDS progression or death.
HR = 0.53 Early versus Deferred ART [95%CI 0.30–0.92 p = 0.023].
Figure 4. AIDS Progression/Death by entry diagnoses…
Figure 4. AIDS Progression/Death by entry diagnoses given as log Odds ratios (with 95%CI) with OR
Total, fungal and CD4

Figure 5. Time to CD4>50 cells/mm3;…

Figure 5. Time to CD4>50 cells/mm3; Early ART median time 4.0 weeks (IQR 0–5.0…

Figure 5. Time to CD4>50 cells/mm3; Early ART median time 4.0 weeks (IQR 0–5.0 weeks) versus deferred ART median time 8.1 weeks (IQR 0–12.7 weeks).
Right side graph: Time to CD4>100 cells/mm3; Early ART median time 4.3 weeks (IQR 4.0–23.6 weeks) versus Deferred ART median time 12.1 weeks (IQR 8.6–28.1 weeks) (p
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Publication types
Randomized Controlled Trial
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
MeSH terms
Acquired Immunodeficiency Syndrome / drug therapy*
Anti-Retroviral Agents / administration & dosage
Anti-Retroviral Agents / adverse effects
Anti-Retroviral Agents / therapeutic use*
Drug Administration Schedule
HIV Infections / drug therapy*
Substances
Associated data
ClinicalTrials.gov/NCT00055120
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Figure 5. Time to CD4>50 cells/mm3;…
Figure 5. Time to CD4>50 cells/mm3; Early ART median time 4.0 weeks (IQR 0–5.0 weeks) versus deferred ART median time 8.1 weeks (IQR 0–12.7 weeks).
Right side graph: Time to CD4>100 cells/mm3; Early ART median time 4.3 weeks (IQR 4.0–23.6 weeks) versus Deferred ART median time 12.1 weeks (IQR 8.6–28.1 weeks) (p

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