HIV Infections Clinical Trial
Official title:
Assessing the Relationship Between Fatigue and Mitochondrial Toxicity in Patients With HIV/AIDS
Verified date | April 10, 2014 |
Source | National Institutes of Health Clinical Center (CC) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
This study will examine abnormalities in mitochondria (energy-producing machinery of cells)
and in genes related to mitochondria in the blood cells, muscle, and fat of HIV-positive
patients who are taking nucleoside reverse transcriptase inhibitors (NRTIs) and in patients
not currently taking HIV medications, and compare the results to healthy volunteers. Many
patients with HIV infection take NRTIs to help control the infection. These medications may
damage cell mitochondria, possibly causing side effects such as fatigue. This study will
explore the relationship between changes in mitochondria and related genes and patient
reports of energy level, mood and quality of life.
Healthy volunteers and HIV-infected patients between 18 and 55 years of age may be eligible
for this study. Healthy volunteers must test negative for the HIV antibody. HIV-positive
patients must have been diagnosed positive for at least 1 year. Patients who are taking
antiretroviral therapy must have been taking the same drug regimen (with at least two NTRIs
and no protease inhibitors) for at least 3 months. HIV positive patients not taking
antiretroviral medication must not have had antiretroviral therapy for at least 1 year.
Candidates are screened with a medical history, brief physical examination, blood and urine
tests, and questionnaires related to mood and energy.
Qualified volunteers will undergo the following procedures during three or four study visits:
Visit 1
Complete history and physical examination, blood tests, and questionnaires about energy
level, mood, and quality of life.
Visit 2
Muscle and fat biopsy: Before the biopsy, blood is drawn to check blood counts and to test
for pregnancy in women who can become pregnant. The biopsy is done on an outpatient basis in
the operating room. The site of the biopsy (an area on the upper arm or upper leg) is numbed
with an injection under the skin. A 1-inch incision is made over the muscle to be biopsied
and a small sample of muscle tissue and small sample of fat are removed. The incision is then
closed and bandaged. Following the biopsy, you will be monitored for about 4 hours in the
clinic. Strenuous physical activity should be restricted in the week following biopsy to
allow healing.
Visit 3
Examination of biopsy site and possible apheresis: The biopsy site is examined for healing.
Apheresis may be scheduled for this visit or for an extra visit between the biopsy and the
final visit. This procedure for obtaining white blood cells for study is optional. For
apheresis, blood is withdrawn from a needle placed in a vein in the arm and the white cells
are separated from the rest of the blood. The white cells are extracted and the red cells and
plasma are then returned to the body through a second needle.
Status | Completed |
Enrollment | 82 |
Est. completion date | April 10, 2014 |
Est. primary completion date | |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 55 Years |
Eligibility |
- INCLUSION CRITERIA: Men and women, ages 18-55 years, will be considered as potential candidates for this study. Persons older than 55 years of age are excluded because of age related declines in mitochondrial number that may confound study results. Ability to understand and provide informed consent. Willing and able to comply with study requirements and procedures including storage of blood, muscle and adipose tissue samples for use in future studies of HIV, AIDS, immune function, muscle or adipose tissue diseases or other related diseases. No or currently controlled depression. Negative serum pregnancy test for females at screening and within one week prior to muscle and adipose tissue biopsy. Specific lab criteria: - Absolute neutrophil count greater than 1000/mm(3). - PT/INR less than or equal to 1.5, PTT less than 45 sec. - Platelets greater than 75,000/mm(3). - Hemoglobin greater than or equal to 10.0mg/dl. - Serum creatinine less than or equal to 1.8mg/dl. - AST and ALT less than 2 times the upper limit of normal. - Thyroid stimulating hormone and free thyroxine within normal limits. - Serum testosterone within normal limits or on adequate replacement. Willing to avoid aspirin-containing medications or the non-steroidal anti-inflammatory drug piroxicam (Feldene) for 10 days prior to muscle and adipose tissue biopsy and willing to discontinue other nonsteroidal anti-inflammatory drugs 24 hours prior to biopsy. For HIV negative volunteers: Negative HIV-1 antibody testing For HIV positive volunteers: Established HIV diagnosis (documentation of HIV-1 infection by licensed ELISA testing and confirmed by Western Blot). HIV infection present greater than or equal to 1 year. For patients in the antiretroviral treated group, on a stable combination antiretroviral treatment regimen not containing a protease inhibitor for at least 3 months prior to protocol screening. For patients in the non-ART group, no antiretroviral treatment for at least one year. Under the care of a primary care physician. EXCLUSION CRITERIA: Unable to provide informed consent. Unable to understand protocol required questionnaires including inability to comprehend English (the fatigue questionnaires have not been validated in languages other than English). Pregnant or breast-feeding. Current treatment with an ARV regimen containing a protease inhibitor. Opportunistic infection requiring treatment. Concurrent malignancy requiring cytotoxic chemotherapy or radiation therapy. History of myopathy or myositis. Untreated or uncontrolled depression by clinical history or as indicated by a score on the Beck's Depression Inventory of greater than or equal to 19. Severe psychiatric disorder that would interfere with adherence to protocol requirements. Severe sleep disturbance. Current alcohol or substance abuse. Diabetes mellitus requiring drug therapy. Decompensated cardiac or pulmonary disease. Current use or a history of treatment with interleukin-2, interferon-alpha or other investigational agent(s) within 6 months of protocol screening. Corticosteroid, immunosuppressive or cytotoxic agent use within 90 days of trial screening. Any medical condition for which the principal investigator feels muscle and adipose tissue biopsy may be contraindicated. Allergy to lidocaine. |
Country | Name | City | State |
---|---|---|---|
United States | National Institutes of Health Clinical Center, 9000 Rockville Pike | Bethesda | Maryland |
Lead Sponsor | Collaborator |
---|---|
National Institute of Allergy and Infectious Diseases (NIAID) |
United States,
Brinkman K, ter Hofstede HJ, Burger DM, Smeitink JA, Koopmans PP. Adverse effects of reverse transcriptase inhibitors: mitochondrial toxicity as common pathway. AIDS. 1998 Oct 1;12(14):1735-44. Review. — View Citation
John M, Moore CB, James IR, Nolan D, Upton RP, McKinnon EJ, Mallal SA. Chronic hyperlactatemia in HIV-infected patients taking antiretroviral therapy. AIDS. 2001 Apr 13;15(6):717-23. — View Citation
Lewis W, Dalakas MC. Mitochondrial toxicity of antiviral drugs. Nat Med. 1995 May;1(5):417-22. Review. — View Citation
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