BREATHER (PENTA 16) Short-Cycle Therapy (SCT) (5 Days on/2 Days Off) in Young People With Chronic HIV-infection

Status unconfirmed · Phase 2/Phase 3

Conditions studied: HIV

In brief

The overall aim of the BREATHER trial is to evaluate the role of Short-Cycle Therapy (SCT) in the management of HIV-infected young people who have responded well to antiretroviral therapy (ART) and to determine whether young people with chronic HIV infection undergoing Short-Cycle Therapy of five days on ART and two days off maintain the same level of viral load suppression as those on continuous therapy, over 48 weeks. To assess the advantages and disadvantages of the strategy, the incidence of toxicities, immunological control, resistance mutations, acceptability, quality of life and adherence to the randomised strategy will also be compared. Importantly, because of insufficient data on short-term viral load rebound after stopping ART in this population, the trial will incorporate an initial pilot phase in selected centres, to assess the safety of the SCT strategy by evaluating detailed HIV-1 RNA profiles of participants on the SCT strategy.

Key facts

Study ID: NCT01641016
Run by: PENTA Foundation
People needed: 160
Starts: 2011-04-01
Expected to finish: 2016-06-01
Last updated by the study team: 2015-03-02

Who can join

Age: 8 and older, up to 24. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

HIV-1 infected young people aged 8 to 24 years inclusive (Young people recruited between the ages of 16-21 must either be in regular physical contact with their clinician or be able to transfer to an adult physician at the same site for follow-up or to an affiliated adult site).
Parents/carers and/or young people, where applicable, willing to provide informed consent.
On a stable first-line ART treatment containing at least 2 NRTIs/NtRTIs and EFV for at least 12 months and willing to continue the regimen throughout the study period. Young people on regimens containing nevirapine (NVP) or a boosted protease inhibitor with undetectable viral load for over one year who wish to enrol should switch to EFV. Once they are stable on the EFV containing regimen for more than 12 weeks they may be enrolled (must have 2 subsequent HIV-1 RNA measurements <50 c/ml over a minimum period of 12 weeks). Previous dual therapy and/or substitution of NRTIs is allowed providing any changes were not for disease progression, immunological or virological failure (where virological failure is defined as two successive HIV-1 RNA results>1000 c/ml) subsequent to virological control having been achieved on ART.
Viral suppression (HIV-1 RNA <50 c/ml) for at least the prior 12 months (at least the last 3 measurements, including screening): young people who have experienced a single viral load >50 but <1000 copies/ml (preceded and followed by VL<50 c/ml) in the last 12 months can be enrolled.
CD4 cell count ≥350 106/L at screening visit.
Centre must routinely use an assay which detects HIV RNA-1 viral load ≥50 c/ml.

You may not qualify if…

Pregnancy or risk of pregnancy in females of child bearing potential.
Acute illness (young people may be enrolled after illness).
Receiving concomitant therapy for an acute illness (young people may be enrolled after finishing therapy).
A creatinine, AST or ALT of grade 3 or above at screening.
On a regimen including nevirapine or a boosted PI (young people may switch to an EFV based regimen).
Previous ART monotherapy (except for the prevention of mother-to-child transmission)

Where it is running

St Jude Children's Research Hospital — Memphis, Tennessee, United States
INSERM — Villejuif, France
Universitätsklinikum Frankfurt — Frankfurt, Frankfurt Am Main, Germany
Our Lady's Children's Hospital — Dublin, Ireland
Program for HIV Prevention and Treatment (PHPT)/IRD 174 — Changklan, Muang, Chiang Mai, Thailand
HIV-NAT Thai Red Cross AIDS Research Centre — Bangkok, Thailand
Joint Clinical Research Centre — Kampala, Uganda
Kiev City AIDS Center — Kiev, Vidpochynku 11, Ukraine
Birmingham Heartlands Hospital — Birmingham, United Kingdom
University Hospital Bristol — Bristol, United Kingdom
Leeds General Infirmary — Leeds, United Kingdom
Leicester Royal Infirmary — Leicester, United Kingdom
Evelina Children's Hospital — London, United Kingdom
Great Ormond Street Hospital — London, United Kingdom
Mortimer Market Centre — London, United Kingdom
St George's Hospital — London, United Kingdom
Nottingham University Hospital — Nottingham, United Kingdom
John Radcliffe Hospital — Oxford, United Kingdom

Full record on ClinicalTrials.gov

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