Evidence map›Paper›PMID 22952756›Full record

Trial reportPloS one2012

Plasma HIV viral rebound following protocol-indicated cessation of ART commenced in primary and chronic HIV infection.

Elizabeth Hamlyn, Fiona M Ewings, Kholoud Porter, David A Cooper, Giuseppe Tambussi, Mauro Schechter, Court Pedersen, Jason F Okulicz, Myra McClure, Abdel Babiker and 3 more

Registry-linked trialAbstract readRandomized Controlled Trial
In one paragraph

Trial report in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02336074 (Research In Viral Eradication of HIV Reservoirs), which is not on this map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT02336074 phase2completednot on this mapstarted 2015, after this paper: background citation

Research In Viral Eradication of HIV Reservoirs

TypeinterventionalSponsorImperial College LondonRan2015 to 2023Enrolled60ConditionsHIVArmsCombination Antiretroviral Therapy (cART), Raltegravir, Vorinostat, ChAdV63.HIVconsv (ChAd), MVA.HIVconsv (MVA)
3 · Its place in the literature

Who cites it

35 citing papers in PubMed.

  1. Trial
  2. Trial
  3. Article
  4. Review
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  10. Review
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  14. Review
  15. Review
  16. TZA: a novel assay for measuring the latent HIV-1 reservoir.Expert review of molecular diagnostics · 2017
    Review
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Elizabeth HamlynKings College Hospital National Health Service Foundation Trust, London, United Kingdom. e.hamlyn@nhs.net
Fiona M Ewings
Kholoud Porter
David A Cooper
Giuseppe Tambussi
Mauro Schechter
Court Pedersen
Jason F Okulicz
Myra McClure
Abdel Babiker
Jonathan Weber
Sarah Fidler
INSIGHT SMART and SPARTAC Investigators

Funding

International Network for Strategic Initiatives in Global HIV Trials (INSIGHT)U01AI068641 · NIAID · UNIVERSITY OF MINNESOTA · PI NEATON, JAMES DENNIS · 2006 to 2010
$120.1M
COMMUNITY PROGRAMS FOR CLINICAL RESEARCH ON AIDSU01AI046362 · NIAID · SOCIAL AND SCIENTIFIC SYSTEMS, INC. · PI GORDIN, FRED M · 2000 to 2006
$75.9M
TERRY BEIRN COMMUNITY PROGRAMS FOR CLINICAL RESEARCH ONU01AI042170 · NIAID · UNIVERSITY OF MINNESOTA TWIN CITIES · PI NEATON, JAMES DENNIS · 1997 to 2006
$23.2M
Optimizing CD8+ T-cell responses against C clade HIV infection in subSaharan AfriR01AI046995 · NIAID · UNIVERSITY OF OXFORD · PI GOULDER, PHILIP J · 2000 to 2014
$6.8M
Medical Research Council G108/626Medical Research Council MC_U122886352NIAID NIH HHS R01 AI046995NIAID NIH HHS U01 AI042170NIAID NIH HHS U01-AI042170NIAID NIH HHS U01 AI046362NIAID NIH HHS U01-AI046362NIAID NIH HHS U01 AI068641NIAID NIH HHS U01-AI068641Wellcome TrustWellcome Trust 069598/Z/02/BWellcome Trust WT069598MA
6 · The paper itself

Abstract

objectivesThe magnitude of HIV viral rebound following ART cessation has consequences for clinical outcome and onward transmission. We compared plasma viral load (pVL) rebound after stopping ART initiated in primary (PHI) and chronic HIV infection (CHI).

designTwo populations with protocol-indicated ART cessation from SPARTAC (PHI, n = 182) and SMART (CHI, n = 1450) trials.

methodsTime for pVL to reach pre-ART levels after stopping ART was assessed in PHI using survival analysis. Differences in pVL between PHI and CHI populations 4 weeks after stopping ART were examined using linear and logistic regression. Differences in pVL slopes up to 48 weeks were examined using linear mixed models and viral burden was estimated through a time-averaged area-under-pVL curve. CHI participants were categorised by nadir CD4 at ART stop.

resultsOf 171 PHI participants, 71 (41.5%) rebounded to pre-ART pVL levels, at a median of 50 (95% CI 48-51) weeks after stopping ART. Four weeks after stopping treatment, although the proportion with pVL ≥ 400 copies/ml was similar (78% PHI versus 79% CHI), levels were 0.45 (95% CI 0.26-0.64) log(10) copies/ml lower for PHI versus CHI, and remained lower up to 48 weeks. Lower CD4 nadir in CHI was associated with higher pVL after ART stop. Rebound for CHI participants with CD4 nadir >500 cells/mm(3) was comparable to that experienced by PHI participants.

conclusionsStopping ART initiated in PHI and CHI was associated with viral rebound to levels conferring increased transmission risk, although the level of rebound was significantly lower and sustained in PHI compared to CHI.

Indexed as

Viral LoadWithholding TreatmentAdultAnti-HIV AgentsCD4 Lymphocyte CountChronic DiseaseFemaleHIVHIV InfectionsHumansMaleMiddle AgedAnti-HIV Agents

Identifiers

PMID22952756
PMCPMC3432055

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.