HIV Infections Clinical Trial
— EX VIVOOfficial title:
Ex Vivo Characterization and Targeting of the Latent HIV Infected Reservoir to Cure HIV
Verified date | February 2024 |
Source | Erasmus Medical Center |
Contact | Casper Rokx, MD PhD |
c.rokx[@]erasmusmc.nl | |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Combination antiretroviral therapy (cART) blocks intracellular human immunodeficiency virus (HIV) replication in CD4+ T-lymphocytes, but fails to eliminate latent HIV infected CD4+ T-lymphocytes. About 7 (range <1-100) in 106 of these cells are latently infected and can cause reactivation of proviral HIV when cART is stopped. These latently infected cells form the reservoir and must be targeted in order to cure HIV. We would like to further investigate this reservoir and assess potential interventions to eradicate it. One promising option is to further study the influence of HIV latency disruptors (latency reversing agents, LRA) on the HIV infected reservoir. These agents are used in shock and kill strategies that disrupt latency by LRA followed by the selective (induced) killing of the reservoir cell due to viro-pathogenic effects. For accurate assessment of the reservoir and potential cure strategies, including the impact of LRA on the reservoir, a large reservoir and sufficient cells for analysis are desirable. Our understanding on the reservoir comes from in vitro lymphocyte models and early ex vivo studies. Additional studies of patients with different clinical phenotypes including untreated versus treated versus the rare individuals that control HIV spontaneously are increasingly relevant to the field. Especially this last category represent biological examples of viral control without cART and are useful to study the factors that set them apart from those that need treatment for their HIV. This study aims to deepen our understanding of the HIV reservoir and cure strategies, foremost, shock and kill strategies. We will do this by setting up a durable ex vivo platform for HIV reservoir and cure studies of which the samples can be used for hypothesis generation for in-vivo studies. A project from the Erasmus MC HIV Eradication Group (EHEG).
Status | Recruiting |
Enrollment | 40 |
Est. completion date | December 31, 2030 |
Est. primary completion date | December 31, 2030 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Age 18 years or older. 2. Confirmed HIV-1 or HIV-2 infection. Exclusion Criteria: 1. Inability to place 2.5 cm venous catheter or perform phlebotomy 2. Major comorbidities: A. Severe symptomatic anemia B. Recent symptomatic cardiovascular event (unstable angina pectoris, decompensated heart failure, myocardial infarction). 3. The inability to participate due to any other relevant medical, social, environmental, psychological, factors or according to the HIV treating physician's judgement |
Country | Name | City | State |
---|---|---|---|
Netherlands | Erasmus Medical Centre | Rotterdam |
Lead Sponsor | Collaborator |
---|---|
Erasmus Medical Center |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The number of HIV patients with a measurable proviral reservoir measured by molecular, flowcytometric and culture based assays | 10-15 years | ||
Secondary | The level of reactivation of latently HIV infected PBMCs after treatment ex vivo with established and novel HIV cure compounds (alone and in combination) as assessed by cell-associated HIVRNA. | 10-15 years | ||
Secondary | The HIV reservoir size and activity as assessed by molecular, flowcytometric, and culture based assays ex vivo. | 10-15 years | ||
Secondary | The HIV reservoir susceptibility to shock and kill strategies as assessed by molecular, flowcytometric, and culture based assays. | 10-15 years | ||
Secondary | The HIV reservoir size, activity, and susceptibility to shock and kill strategies in relation to clinical phenotypes. | 10-15 years | ||
Secondary | To measure predictive biomarkers of the size and activity of the latent HIV reservoir as assessed by molecular, flowcytometric and culture based assay ex vivo. | 10-15 years | ||
Secondary | The number of newly setup assays that measure the size of the proviral reservoir and are validated with current established molecular, flowcytometric and culture based assays. | 10-15 years |
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