- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00225160
ALCAR Prophylaxis Study
A Randomised Double Blinded Placebo Controlled Pilot Study to Evaluate the Safety and Efficacy of Acetyl L Carnitine in Combination With Antiretroviral Therapy for the Prevention of Distal Symmetric Polyneuropathy and Lipid Abnormalities in Treatment naïve HIV Infected Subjects
The purpose of this study is to determine whether Acetyl L-carnitine can prevent the development of nerve damage, known as neuropathy, in individuals taking anti-HIV drugs over a 48-week period. In addition the safety and tolerability of Acetyl L-carnitine will be assessed.
This study compares the use of Acetyl L-carnitine or placebo (a dummy drug) in the prevention of nerve damage. The current standard of care is to use painkillers to manage the pain, with little or no effect. The possible beneficial effects of taking Acetyl L-carnitine is to prevent nerve damage as a result of anti-HIV medication.
The main purposes of the trial are:
- to look at the differences in between those on Acetyl L-carnitine versus those on placebo
- to look at the effect on state of your nervous system in the two treatment groups by measuring nerve activity
- to learn more about the safety and tolerance of Acetyl L-carnitine
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment
Phase
- Phase 2
Contacts and Locations
Study Locations
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-
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London, United Kingdom, NW3 2QG
- Royal Free Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female, aged > 18 years of age
- HIV-1 infected as documented by a licensed HIV-1 antibody ELISA
- Women of childbearing potential must have a negative serum (beta-HCG; performed by a medical doctor - Austria only) pregnancy test within 28 days of starting study drug (and at monthly intervals for the duration for the trial (-Austria only)
- Ability to assess level of pain and complete a pain log
- Ability to understand and provide written informed consent to participation in this trial
- All clinical laboratory values must be considered not clinically significant - for the potential response to the planned new regimen - in the opinion of the investigator
- Naïve to antiretroviral therapy
Exclusion Criteria:
- Diminished ankle reflexes (compared to the knee) or absent ankle reflexes. OR
- Distal diminution of either vibration sense in the legs (defined as perception vibration < 10 seconds at the great toe with a tuning fork initially struck hard enough to be audible) or pain or temperature sensation.
- Subjects who in the investigator's opinion are unlikely to complete the 48 weeks trial period.
- Subjects with current alcohol or illicit drug use which, in the opinion of the investigator, may interfere with the subjects' ability to comply with the dosing schedule and protocol evaluations.
- Previous treatment with any drug known to induce peripheral neuropathy, specifically excessive alcohol, isoniazid & vincristine.
- Subjects with insulin dependent diabetes or cancer and an existing peripheral neuropathy or hereditary neuropathy.
- Subjects with Vitamin B 12 deficiency (level < 150pg/mL)
- Subjects using neurotoxic systemic therapeutic agents, systemic corticosteroids or immunomodulators within 30 days of randomisation.
- Use of a medication for neuropathic pain during 2 weeks prior to randomisation (including tricyclic antidepressants, mexilitene, phenytoin or carbamazepine).
- Subjects who have taken L-carnitine within 6 last months, or who have ever taken ALCAR.
- Subjects being pregnant or breast feeding.
- Subjects suffering from a serious medical condition, including one or more AIDS defining events (Appendix 8), which in the opinion of the investigator, would compromise the safety of the subject
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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The change from baseline in total area of Protein Gene Product (PGP) immunostaining on the epidermis at 48 weeks
|
Secondary Outcome Measures
Outcome Measure |
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-Proportion of patients requiring analgesic agents
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-Changes in the global assessments of pain by both subject and investigator
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-Proportion of patients with HIV-1 RNA < 50 copies/ml at 24 and 48 weeks
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-Proportion of patients with virological failure at 24 and 48 weeks
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-Changes in CD4+ cell count from baseline after 24 and 48 weeks of treatment
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-Time to discontinuation of the randomised treatment and reasons for this
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-Incidence of adverse events
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-Incidence of clinical disease progression
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-Proportion of patients at Weeks 24 and 48 and incidence of virological and clinical failure or treatment-limiting adverse events
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-Proportion of patients with changes in lipid profiles
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-Change in body habitus as measured by lipodystrophy questionnaire
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-Change in QOL at Weeks 24 and 48
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-Changes in subcutaneous adipose tissue mtDNA
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Armin - Rieger, MD, University of Vienna Medical School AKH
Study record dates
Study Major Dates
Study Start
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- ALCAR
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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