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Scientists investigate mpox in severely weakened immune systems
NCT ID NCT06045923
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how the mpox virus spreads and how the immune system responds in people with advanced HIV. Researchers tracked the virus in different body samples and measured immune markers to better understand severe illness. The goal is to use these findings to improve treatment and prevent deaths in this vulnerable group.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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100 people
The number who actually took part.
- Started
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Mar 2023
- Finished
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Jan 2026
- Lead sponsor
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A government agency
The lead sponsor is a US federal agency other than the NIH.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients who are hospitalized in the United States with probable/confirmed mpox and HIV with CD4 count \< 200 cells/uL.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥18 years; AND * HIV infection with CD4 count \< 200 cells/uL; AND * Probable or confirmed mpox (does NOT need to be a new diagnosis); AND * Hospitalized while symptomatic from mpox, for reasons other than (or in addition to) infection prevention and control Exclusion Criteria: * Inability of the individual or appropriate proxy to provide informed consent. * In the judgment of the clinical treating team, has a medical condition or other factor that might affect their ability to participate in the evaluation.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Centers for Disease Control and Prevention
Atlanta, Georgia, 30333, United States
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