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Trial registered on ANZCTR
Registration number
ACTRN12610000917033
Ethics application status
Approved
Date submitted
20/10/2010
Date registered
28/10/2010
Date last updated
22/06/2018
Type of registration
Retrospectively registered
Titles & IDs
Public title
Post-prandial lipid effects of ritonavir-boosted atazanavir vs ritonavir-boosted darunavir in HIV-uninfected adults
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Scientific title
To compare the effects of ritonavir-boosted atazanavir (AZV 300mg / RTV 100mg once daily) to ritonavir-boosted darunavir (DRV 800mg / RTV 100mg once daily) over 4 weeks on postprandial lipids in healthy volunteers.
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Secondary ID [1]
252952
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rAD
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Universal Trial Number (UTN)
U1111-1117-5291
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Trial acronym
rAD
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
post prandial lipid disturbances associated with Atazanavir-Ritonavir vs Darunavir-Ritonavir
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Condition category
Condition code
Infection
258612
258612
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0
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Acquired immune deficiency syndrome (AIDS / HIV)
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Cardiovascular
258613
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0
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Normal development and function of the cardiovascular system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
To compare the effects of oral ritonavir-boosted atazanavir (AZV 300mg / RTV 100mg once daily) to oral ritonavir-boosted darunavir (DRV 800mg / RTV 100mg once daily) over 4 weeks.
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Intervention code [1]
257443
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Treatment: Drugs
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Comparator / control treatment
oral tablets ritonavir-boosted darunavir (DRV 800mg / RTV 100mg once daily) over 4 weeks.
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Control group
Active
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Outcomes
Primary outcome [1]
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To compare the effects of ritonavir-boosted atazanavir (AZV 300mg / RTV 100mg once daily) to ritonavir-boosted darunavir (DRV 800mg / RTV 100mg once daily) over 4 weeks on postprandial lipids in healthy volunteers.
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Assessment method [1]
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Timepoint [1]
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Blood measurements at screening visit, baseline and week 4 at timepoints:premeal, post meal 1 hr, 2 hrs, 3 hrs and 4 hrs.
Blood measurements are collected at week 2 once.
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Secondary outcome [1]
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To compare the effects of ritonavir-boosted atazanavir (AZV 300mg / RTV 100mg once daily) to ritonavir-boosted darunavir (DRV 800mg / RTV 100mg once daily) over 4 weeks on:
safety
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Assessment method [1]
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Timepoint [1]
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liver function tests are performed at screening visit, baseline and week 4 at timepoints:premeal, post meal 1 hr, 2 hrs, 3 hrs and 4 hrs.
these blood tests are collected at week 2 once.
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Secondary outcome [2]
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glycaemic responses
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Assessment method [2]
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Timepoint [2]
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glucose and insulin measurements at screening visit, baseline and week 4 at timepoints:premeal, post meal 1 hr, 2 hrs, 3 hrs and 4 hrs.
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Secondary outcome [3]
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C-reactive protein and D-dimer
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Assessment method [3]
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Timepoint [3]
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C-reactive protein and D-dimer measurements at baseline and week 4 visits at timepoints:premeal, post meal 2 hrs and 4 hrs.
Blood measurements are also collected at week 2 once.
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Secondary outcome [4]
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aterial stiffness
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Assessment method [4]
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Timepoint [4]
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measured by performing radial artery tonomerry at baseline and week 4 at timepoints:premeal, post meal 1 hr, 2 hrs, 3 hrs and 4 hrs.
also measured at week 2.
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Eligibility
Key inclusion criteria
1.Provision of signed, informed consent
2.Adults taking their “normal diet” (stable intake for each participant) with a stable weight and no desire to lose or gain weight
3.Body mass index between 20 and 30 kg/m2
4.Fasting triglycerides < 2.0 mmol/l
5.Fasting total cholesterol < 6.0 mmol/l
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
6.HIV infection (antibody, western blot, proviral DNA)
7.Use of any medication contra-indicated with RTV, AZV or DRV
8.Use of lipid-lowering therapy
9.Use of anti-hypertensive therapy
10.Diabetes mellitus (fasting glucose > 7.0 mmol/l or a prior diagnosis of diabetes)
11.Serum hepatic transaminases (ALT / AST) greater than 3 times the upper limit of normal
12.Pregnancy or breast feeding
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
This is a randomized, open-label, 4-week trial. Twenty (20) eligible participants will be randomly allocated 1:1 to receive:
i) ritonavir-boosted atazanavir (AZV 300mg / RTV 100mg) once daily for four (4) weeks
OR
ii) ritonavir-boosted darunavir (DRV 800mg / RTV 100mg) once daily for four (4) weeks
Method of allocation to the above is conducted by a blinded 'third party' using sealed opaque envelopes using the method of 'block randomisation'.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Treatment allocation will be randomised according to the method of “block randomisation” to balance the number of patients recruited in each treatment arm.
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
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Type of endpoint/s
Pharmacokinetics / pharmacodynamics
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/11/2010
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Actual
12/10/2010
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Date of last participant enrolment
Anticipated
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Actual
1/11/2011
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Date of last data collection
Anticipated
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Actual
14/12/2011
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Sample size
Target
20
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Accrual to date
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Final
20
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment postcode(s) [1]
3367
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2010
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Funding & Sponsors
Funding source category [1]
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Self funded/Unfunded
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Name [1]
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Address [1]
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Country [1]
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Primary sponsor type
Hospital
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Name
St vincents Hospital
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Address
390 Victoria St,
Darlinghurst, NSW 2010
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
257089
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Address [1]
257089
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Country [1]
257089
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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St Vincents Hospital Human Research Ethics Committee
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Ethics committee address [1]
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Ethics committee country [1]
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Date submitted for ethics approval [1]
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Approval date [1]
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Ethics approval number [1]
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Summary
Brief summary
This is a randomized, open-label, 4-week trial. Twenty (20) eligible participants will be randomly allocated 1:1 to receive:
i) ritonavir-boosted atazanavir (AZV 300mg / RTV 100mg) once daily for four (4) weeks
OR
ii) ritonavir-boosted darunavir (DRV 800mg / RTV 100mg) once daily for four (4) weeks
Planned sample size: Twenty (20) eligible participants who complete the 4 week study
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Prof Andrew Carr
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Address
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St Vincents Hospital
Xavier, Level 4, 390 victoria St
Darlinghurst, NSW, 2010
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Country
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Australia
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Phone
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+61 2 83823359
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Ms Nicola Mackenzie
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Address
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St Vincents Centre for Applied Medical Research
Clinical Research Program
Level 4, Xavier Building
390 Victoria St
Darlinghurst
NSW 2010
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Country
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Australia
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Phone
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+61 2 8382 2919
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Fax
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+61 2 8382 3869
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Email
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[email protected]
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Contact person for scientific queries
Name
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Prof Professor andrew Carr
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Address
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St Vincents Centre for Applied Medical Research
Clinical Research Program
Level 4, Xavier Building
390 Victoria St
Darlinghurst
NSW 2010
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Country
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Australia
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Phone
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+61 2 8382 3438
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Fax
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+61 2 8382 2090
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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