Restoring Brain energy: A Potential Breakthrough in AlzheimerS Disease Reversal
For decades, Alzheimer’s disease has been viewed as a relentlessly progressive adn ultimately irreversible neurodegenerative condition. Though, groundbreaking research emerging from the Harrington Discovery Institute at University Hospitals (UH) is challenging this long-held belief, offering a compelling new avenue for both prevention and potential reversal of the disease. This research, building on prior successes in traumatic brain injury recovery, centers on restoring the brain’s natural energy balance by optimizing levels of Nicotinamide Adenine dinucleotide (NAD+).
The Declining Energy Landscape of Alzheimer’s
Recent studies have consistently demonstrated a important decline in NAD+ levels within the brains of both human Alzheimer’s patients and corresponding animal models. NAD+ is a crucial coenzyme involved in hundreds of metabolic processes, fundamentally powering cellular function. Its depletion appears to be a key factor in the cascade of events leading to Alzheimer’s pathology. Recognizing this critical link, researchers led by Dr. Andrew A. Pieper, MD, PhD, director of the Brain Health Medicines Center, embarked on a two-pronged inquiry: could maintaining healthy NAD+ levels prevent the onset of Alzheimer’s, and could restoring these levels reverse the disease once it had taken hold?
From Traumatic Brain injury to Alzheimer’s: A Proven Strategy
This investigation wasn’t starting from scratch. Dr. Pieper’s team had previously demonstrated the restorative power of NAD+ balance in the context of severe, long-lasting traumatic brain injury, published in Proceedings of the National Academy of Sciences USA.This prior work provided a strong foundation for applying the same principles to Alzheimer’s. The current study utilized P7C3-A20,a specifically engineered pharmacologic compound developed in Dr. Pieper’s laboratory, designed to restore NAD+ balance without the risks associated with simply elevating NAD+ levels (more on that later).
Striking Results: Complete Cognitive Recovery in Advanced Disease
The results were nothing short of remarkable. In mouse models, preserving NAD+ balance demonstrably protected against the development of Alzheimer’s.Though, the most significant finding was the ability to reverse the disease even after it had progressed to an advanced stage. Both mouse models tested exhibited complete recovery of cognitive function following NAD+ restoration.
This recovery wasn’t just behavioral; it was reflected in objective biomarkers. Blood tests revealed normalized levels of phosphorylated tau 217 (p-tau217), a recently validated clinical biomarker for Alzheimer’s diagnosis in humans. This normalization provides strong evidence of genuine disease reversal and offers a promising target for monitoring treatment efficacy in future human trials.
A Paradigm Shift in Alzheimer’s Treatment
“We were very excited and encouraged by our results,” states Dr. Pieper, who also holds the Morley-Mather Chair in Neuropsychiatry at UH and the CWRU Rebecca E.Barchas, MD, DLFAPA, University Professorship in Translational Psychiatry. “Restoring the brain’s energy balance achieved pathological and functional recovery in both lines of mice with advanced alzheimer’s. Seeing this effect in two very different animal models,each driven by different genetic causes,strengthens the idea that restoring the brain’s NAD+ balance might help patients recover from Alzheimer’s.”
This research represents a essential shift in how we understand and approach Alzheimer’s. Dr. Pieper emphasizes, ”The key takeaway is a message of hope – the effects of Alzheimer’s disease may not be inevitably permanent. The damaged brain can, under some conditions, repair itself and regain function.” Dr. Chaubey adds that the study also identified potential candidate proteins in the human Alzheimer’s brain that might potentially be linked to the ability to reverse the disease.
Beyond Supplements: The Importance of Targeted Therapy
It’s crucial to distinguish this research from the growing market of over-the-counter NAD+ precursors. Dr. Pieper cautions that these supplements, while raising NAD+ levels, have been shown in animal studies to potentially drive levels too high, promoting cancer development. The P7C3-A20 compound used in this research takes a different approach. It doesn’t simply flood the system with NAD+; it helps cells maintain a healthy balance during periods of extreme stress, preventing levels from exceeding their optimal range.
“This is important when considering patient care,” Dr. Pieper explains, “and clinicians should consider the possibility that therapeutic strategies aimed at restoring brain energy balance might offer a path to disease recovery.”
The path Forward: Human Trials and Future Research
The technology behind P7C3-A20 is currently being commercialized by Glengary Brain Health, a Cleveland-based company co-founded by Dr. Pieper. The next critical step is translating these promising animal results into carefully designed human clinical trials.









