BREATHER (PENTA 16) Short-Cycle Therapy (SCT) (5 Days on/2 Days Off) in Young People With Chronic HIV-infection
| Status: | Completed |
|---|---|
| Conditions: | HIV / AIDS |
| Therapuetic Areas: | Immunology / Infectious Diseases |
| Healthy: | No |
| Age Range: | 8 - 24 |
| Updated: | 7/16/2013 |
| Start Date: | April 2011 |
| End Date: | August 2014 |
| Contact: | Diana M Gibb, MD |
| Email: | dmg@ctu.mrc.ac.uk |
| Phone: | 2076704714 |
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.
Inclusion Criteria:
- 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.
Exclusion Criteria:
- 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)
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