Baricitinib for Reduction of HIV - CNS

Recruiting now · Phase 2 · Has a placebo group

Conditions studied: Human Immunodeficiency Virus

In brief

There is still no cure for the human immunodeficiency virus (HIV). While combination antiretroviral therapy (cART) is effective in decreasing deaths from HIV, infected individuals face a lifetime of treatment and many potential complications including end organ diseases such as HIV-associated neurocognitive disorders. HIV infection is controllable with antiretroviral therapy (ART), but ART cannot eliminate HIV reservoirs. Thus, there is no available cure for HIV. There is a large and growing body of evidence that the central nervous system (CNS) is an HIV reservoir site and a barrier to HIV eradication. Our group has done extensive pre-clinical work with janus-kinase (JAK 1/2) inhibitors. This includes baricitinib, which is an orally available, FDA-approved drug for rheumatoid arthritis. Evidence suggests that this drug has activity against HIV in the central nervous system (CNS). In our recently completed pilot study, we showed that baricitinib crosses the blood brain barrier (BBB) and decreases HIV CNS persistence in the brain. Using bloodwork, neurocognitive testing, MRIs and lumbar punctures, we plan to evaluate the change in central nervous system HIV after treatment with baricitinib versus placebo. We will also evaluate changes in neuroimaging, inflammation in blood and cerebrospinal fluid (CSF), and neuropsychological performance after treatment with baricitinib versus placebo. Evidence shows that the central nervous system is one of the reservoir sites that enables the HIV virus to persist in the body even after years of treatment. In order to attack this reservoir and eventually find a cure, it is vital to learn if certain medications can suppress HIV in the CNS.

Key facts

Study ID: NCT05452564
Run by: William Tyor
People needed: 95
Starts: 2023-05-18
Expected to finish: 2028-01-01
Last updated by the study team: 2026-03-23

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

HIV infected on continuous ART with plasma HIV RNA <200 copies/ml for at least 12 months (on at least two previous clinic visits and confirmed at screening). If a viral load is documented from a CLIA-certified laboratory 14 days before screening, then this result can be used in place of the screening lab result.
Current CD4+ > 350 cells/microliter for at least twelve months (on at least two previous clinic visits and confirmed at screening). If a CD4 count is documented from a CLIA-certified laboratory 30 days before screening, then this result can be used in place of the screening lab result.
Women of reproductive age will have a negative pregnancy test at study entry and agree to contraception while on the study drug. Women who are at least 50 years of age and who have been amenorrheic for at least 12 months will not be required to agree to contraception to participate.

You may not qualify if…

< 18 years of age or > 65 years of age
Pregnancy or breastfeeding
Significant hematological abnormalities at screening (ANC < 1000, Hgb<10, platelet< 100,000)
History of progressive multifocal leukoencephalopathy
Untreated latent tuberculosis infection (which will be screened for before entry). If there is a prior positive test, the test does not need to be repeated at screening.
Immunosuppressive medications (including corticosteroids) and anticoagulants (aspirin acceptable) within 1 month. A partial list is provided in the SOP for staff, but otherwise, if there is a question it will be adjudicated by the Investigator(s).
History of deep venous thrombosis
Cardiovascular disease:
Coronary artery disease or history of myocardial infarction, no exclusion if greater than 3 months
Congestive heart failure with left ventricular ejection fraction ≤40% per American Heart Association guidelines-- no exclusion if greater than 3 months
Ever a history of stroke
Hematologic malignancies including lymphoma and leukemia which have no evidence of cure or are at least in remission for > 5 years
Major surgery within 8 weeks before screening or will require major surgery during the study
Current or recent (<4 weeks before randomization) clinically serious viral (including COVID-19), a bacterial, fungal, or parasitic infection or any other active or recent infection. History of untreated syphilis infection. If an RPR was negative in the 3 months before screening, then an RPR is not needed at screening
Symptomatic herpes simplex at the time of randomization
Symptomatic herpes zoster infection within 12 weeks before randomization.
History of disseminated/complicated herpes zoster (for example, ophthalmic zoster or CNS involvement).
Positive test for hepatitis B virus (HBV) defined as:
positive for hepatitis B surface antigen (HBsAg), or
positive for hepatitis B core antibody (HBcAb) and positive for hepatitis B virus deoxyribonucleic acid (HBV DNA)
Hepatitis C virus (HCV) chronic infection (hepatitis C antibody-positive and HCV ribonucleic acid [RNA]-positive), ever.
Cirrhosis of the liver from any cause
Any of the following specific abnormalities on screening laboratory tests:
ALT or AST >2 x upper limits of normal (ULN)
alkaline phosphatase (ALP) ≥2 x ULN

Where it is running

Grady Memorial Hospital — Atlanta, Georgia, United States (enrolling)
Emory University Hospital — Atlanta, Georgia, United States (enrolling)

Full record on ClinicalTrials.gov

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