New Research Shows Potential to Reverse Alzheimer’s Disease
- Dec 29, 2025
- 2 min read

For over a century, the scientific community has operated under the "dogma" that Alzheimer's disease (AD) is a one-way decline. Billions of dollars have been spent on research focused solely on slowing or preventing the condition, as recovery was deemed impossible. However, a transformative study led by Dr. Kalyani Chaubey and Dr. Andrew Pieper has challenged this belief, demonstrating that advanced Alzheimer's can be reversed in animal models.
According to the sources, the research team identified a collapse in the brain's energy balance as a primary driver of the disease. Specifically, the brain fails to maintain healthy levels of NAD+, a vital cellular energy molecule. While NAD+ levels naturally decline with age, the sources note that this depletion is significantly more severe in the brains of those with Alzheimer’s.
To test if this damage could be undone, researchers used a pharmacological agent called P7C3-A20 to restore NAD+ balance in mice engineered with human AD mutations. The results were "striking": mice with advanced disease not only stopped declining but achieved full neurological and cognitive recovery. This recovery was confirmed by the normalization of phosphorylated tau 217, a key clinical biomarker used to diagnose the disease in humans.
Dr. Pieper emphasized that this discovery represents a paradigm shift, offering a "message of hope" that the effects of the disease may not be permanent. He cautioned, however, that patients should not use over-the-counter NAD+ precursors, as these can raise levels to a range that promotes cancer. Instead, the study's approach focuses on maintaining a healthy, balanced energy state under stress.
The next steps involve moving this research into human clinical trials to see if the success in animal models translates to patients. The sources indicate that the researchers also identified candidate proteins in human brains that may facilitate this reversal, potentially opening doors for treating other age-related neurodegenerative diseases.
🔖 Sources
Keywords: Reverse Alzheimer’s Disease










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