Could a common cold sore drug slow Alzheimer's? new study explores the link.
NCT ID NCT03282916
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether the antiviral drug valacyclovir (Valtrex) can slow memory loss in people with mild Alzheimer's disease who also carry the herpes simplex virus. About 120 participants received either the drug or a placebo for 18 months. The goal was to see if treating the virus could help preserve thinking and daily living skills.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Banner Alzheimer's Institute (BAI)
Phoenix, Arizona, 85006, United States
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New York State Psychiatric Institute
New York, New York, 10032, United States
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New York University School of Medicine
New York, New York, 10016, United States