Fake news vaccine: study tests 'Prebunking' to shield young women from HIV drug myths
NCT ID NCT07518914
First seen Jun 27, 2026 · Last updated Aug 25, 2026 · Updated 2 times
Summary
This study tests whether a short 'inoculation' message can help young women in South Africa resist misinformation about lenacapavir, a new twice-yearly injection for HIV prevention. 1,500 women aged 18-29 will be randomly assigned to receive either the inoculation message or unrelated health information, then exposed to false claims. Researchers will measure their intention to use lenacapavir and how believable they find the misinformation.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this approach could help ensure that accurate information about lenacapavir reaches young women, supporting its uptake and HIV prevention efforts.
- What could go wrong
- This is a behavioral study, not a drug trial. It measures intentions, not actual HIV prevention. Results may not translate to real-world behavior or other populations.
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 1,500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Apr 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 29 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Female (cisgender or transgender) * Age 18-29 years * Self-reported history of sexual activity in the past 12 months * Self-reported HIV-negative status or unknown HIV status at enrolment * Willing and able to provide consent * Able to read and understand English Exclusion Criteria: Unwilling or unable to provide consent for study participation.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Health Economics and Epidemiology Research Office, University of the Witwatersrand
RECRUITINGJohannesburg, South Africa
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Other studies related to the condition(s) this trial covers.
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