Breakthrough Drugs Show Promise in Reversing Alzheimer's Effects

WHO:

ScienceAlert - Researchers from UC San Francisco, including computational biologist Marina Sirota and neuroscientist Yadong Huang, are involved in the study.

WHAT:

ScienceAlert - Two existing drugs, letrozole and irinotecan, have been identified as potential candidates for reversing Alzheimer's effects in mice.

ScienceAlert - The drugs were shown to reduce harmful clumps of tau protein and improve learning and memory tasks in mice.

Science Daily - An experimental compound has been created that blocks a damaging process inside brain cells, slowing nerve cell loss and promoting healthier aging in mice.

WHERE:

ScienceAlert - The research was conducted at UC San Francisco.

WHEN:

ScienceAlert - Clinical trials for people with Alzheimer's disease are anticipated as the next step in the research.

WHY:

ScienceAlert - The goal is to find ways to prevent and reverse symptoms of Alzheimer's, which currently affects more than 55 million people globally, a number expected to double in the next 25 years.

HOW:

ScienceAlert - Researchers used a medical database called the Connectivity Map to identify drugs that could reverse changes in gene expression associated with Alzheimer's.

ScienceAlert - The drugs were tested in mouse models of Alzheimer's, targeting different types of brain cells affected by the disease.

(UPDATED June 9, 2026 08:11 UTC)

Researchers at UC San Francisco, including computational biologist Marina Sirota and neuroscientist Yadong Huang, have identified two existing drugs, letrozole and irinotecan, as potential candidates for reversing Alzheimer's effects in mice. These drugs were found to reduce harmful clumps of tau protein and improve learning and memory tasks, while an experimental compound was created to block a damaging process inside brain cells, promoting healthier aging. Clinical trials for people with Alzheimer's disease are anticipated as the next step in this research, which aims to find ways to prevent and reverse symptoms of a condition currently affecting over 55 million people worldwide.