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HIV InfectionsNCT00050271

Acetyl-L-Carnitine for the Treatment of NRTI-Associated Peripheral Neuropathy

A study testing Acetyl-L-carnitine in people with HIV Infections and Peripheral Nervous System Diseases, run by National Institute of Allergy and Infectious Diseases (NIAID) at 11 sites in 2 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine if acetyl-L-carnitine (ALC) reduces pain, numbness, and tingling in the feet and legs of patients with nucleoside reverse transcriptase inhibitor (NRTI)-associated peripheral neuropathy. Read more about this study

Who is it for?
Ages 13 years and older
What is being tested?
Acetyl-L-carnitine
How many people
27 participants
Where
11 sitesin 2 countries
Study dates
Start not givento Jan 2007
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 13 years and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • HIV-1 infection
  • Viral load <= 10,000 copies/ml within 60 days of entry
  • On stable antiretroviral medication for 8 weeks prior to entry and plan on staying on current regimen for the duration of the study
  • Currently taking at least one dideoxynucleoside analogue. Patients discontinuing their dideoxynucleoside analogues or changing their antiretroviral regimen after entry will remain on study drug and continue with the study requirements and evaluation visits.
  • No significant systemic antiretroviral toxicity
  • Evidence of predominantly sensory neuropathy, as determined from an examination by a neurologist
Show all 9Show fewer
  • Ongoing neuropathy of any duration
  • Negative pregnancy test performed at screening and within 24 hours of study entry
  • Agree not to become pregnant or to impregnate; agree to use acceptable methods of contraception

Who cannot join

  • ALC or similar drug within 90 days of entry
  • Active AIDS-defining opportunistic infection (OI) or OI-defining condition within 30 days prior to entry
  • Any condition or history of any condition, other than that related to HIV infection or antiretroviral therapy, that would add confusion to the diagnosis of dideoxynucleoside analogue-associated DSPN
  • Pregnancy or breast-feeding
  • Active malignancy
  • Seizure disorder or history of seizure within 90 days of entry
Show all 13Show fewer
  • Current or history of bipolar disorder
  • Certain drugs within 30 days of study entry
  • Addition of certain pain medication during the 60 days prior to study entry
  • Allergy/sensitivity to study drug or its formulations
  • Any condition that, in the opinion of the site investigator, would interfere with the study requirements
  • Myelopathy
  • Use of investigational agents that are not FDA-approved within 30 days of study entry, except when approved by the study chair. Investigational antiretroviral drugs available through expanded access or through AACTG trials will be allowed if they do not conflict with study criteria.

Trial locations and contacts

11 sites in 2 countries.

11 sites in 2 countries

United States10 sites
  • The Ponce de Leon Ctr. CRS

    Atlanta, Georgia, 30308

  • Johns Hopkins Adult AIDS CRS

    Baltimore, Maryland, 21287-8106

  • Northwestern University CRS

    Chicago, Illinois, 60611-3015

  • Cook County Hosp. CORE Ctr.

    Chicago, Illinois, 60612

  • Univ. of Hawaii at Manoa, Leahi Hosp.

    Honolulu, Hawaii

  • Beth Israel Med. Ctr., ACTU

    New York, New York, 10003

  • Weill Med. College of Cornell Univ., The Cornell CTU

    New York, New York

  • Stanford CRS

    Palo Alto, California, 94305

  • University of Washington AIDS CRS

    Seattle, Washington, 90033-1079

  • Washington U CRS

    St Louis, Missouri, 63108-2138

Other trials in United States

Puerto Rico1 site
  • Puerto Rico-AIDS CRS

    San Juan, 00936-5067

Other trials in Puerto Rico

About this study

Official title: An Open-Label, Dose-Escalation Pilot Study of Acetyl-L-Carnitine for the Treatment of Dideoxynucleoside-Associated Distal Symmetric Peripheral Neuropathy

The purpose of this study is to determine if acetyl-L-carnitine (ALC) reduces pain, numbness, and tingling in the feet and legs of patients with nucleoside reverse transcriptase inhibitor (NRTI)-associated peripheral neuropathy. Another purpose is to determine if ALC is safe and tolerable in HIV patients who have taken certain anti-HIV drugs.

Read the detailed description

Distal symmetric peripheral neuropathy (DSPN) is the most frequent neurologic complication of HIV infection and its treatments. NRTIs, particularly dideoxy-NRTIs, represent a significant risk factor for developing neuropathy. To date, there are no effective treatments for DSPN. Studies of nonneuronal tissues indicate a beneficial effect of ALC in HIV-1 seropositive individuals, but the role of ALC levels in patients with DSPN is unclear. Despite conflicting data, carnitine and its derivatives are still commonly used.

Patients will have a screening visit and visits at entry and Weeks 6, 12, 18, and 24. Patients are required to fast (no food or drink except water) for 4-12 hours for the screening visit, entry visit, and at Weeks 12 and 24. Targeted physical examinations, blood chemistries, liver function tests, HIV-1 RNA, CD4/CD8 cell counts, hematology, and lactate assessments will be done. Patients will also have a small skin biopsy at entry and Week 24. Patients will begin with 1 tablet of ALC twice daily and escalate dosage to a target dose of 3 tablets daily. They will remain on the 3-tablet dose or a maximum tolerated dose for the duration of the study (24 weeks).

Being tested
Acetyl-L-carnitine
Keywords
Acetylcarnitine, Dideoxynucleosides, Epidermis, Biopsy, Immunohistochemistry, Nerve Fibers, Treatment Experienced
Medical subject headings
HIV Infections, Peripheral Nervous System Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Acetyl-L-carnitineDrug

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted4 Dec 2002 (estimated)
  2. Study completionJan 2007

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
27 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00050271
Sponsor's protocol ID
A5157
Other IDs
10004, ACTG A5157
Status last verified
Oct 2021
First submitted
3 Dec 2002
Last updated
1 Nov 2021
Results posted
No

Publications

  • Wulff EA, Wang AK, Simpson DM. HIV-associated peripheral neuropathy: epidemiology, pathophysiology and treatment. Drugs. 2000 Jun;59(6):1251-60. doi: 10.2165/00003495-200059060-00005.

    PubMed 10882161
  • Simpson DM, Katzenstein D, Haidich B, Millington D, Yiannoutsos C, Schifitto G, McArthur J; AIDS Clinical Trials Group Protocol 291/860 Study Team. Plasma carnitine in HIV-associated neuropathy. AIDS. 2001 Nov 9;15(16):2207-8. doi: 10.1097/00002030-200111090-00025. No abstract available.

    PubMed 11684949
  • Polydefkis M, Yiannoutsos CT, Cohen BA, Hollander H, Schifitto G, Clifford DB, Simpson DM, Katzenstein D, Shriver S, Hauer P, Brown A, Haidich AB, Moo L, McArthur JC. Reduced intraepidermal nerve fiber density in HIV-associated sensory neuropathy. Neurology. 2002 Jan 8;58(1):115-9. doi: 10.1212/wnl.58.1.115.

    PubMed 11781415
  • Scarpini E, Sacilotto G, Baron P, Cusini M, Scarlato G. Effect of acetyl-L-carnitine in the treatment of painful peripheral neuropathies in HIV+ patients. J Peripher Nerv Syst. 1997;2(3):250-2.

    PubMed 10975731

Questions about this trial

What is this clinical trial studying?

A study testing Acetyl-L-carnitine in people with HIV Infections and Peripheral Nervous System Diseases, run by National Institute of Allergy and Infectious Diseases (NIAID) at 11 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 1 Nov 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 11 sites in United States, Puerto Rico. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00050271, which also lists 4 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Nov 2021.

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