NIH-funded research U01 cooperative agreement

A new treatment for cognitive impairment related to vascular dementia and Alzheimer's disease

Official title: PNA5: A Novel Mas Receptor Agonist for Treatment of Cognitive Impairment in Patients at Risk for Vascular Dementia and Alzheimer's Disease Related Dementia: an FDA required Toxicology Study

Funded at University of Arizona · NIH-10910078 · Data updated 2026-11-12

This study is testing a new treatment called PNA5 that could help improve thinking and memory for people at risk of dementia by reducing inflammation and boosting blood flow to the brain, making sure it's safe before moving on to the next steps.

More s Disease research and trials

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionUniversity of Arizona
NIH-funded
Lab location1 site (Tucson, United States)
Project startSeptember 1, 2023
Project endAugust 31, 2027
Funding year2024
Award (this year)$1,707,517
NIH project number5U01AG082617-02
Project IDNIH-10910078 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with mild cognitive impairment who are at risk for vascular contributions to cognitive impairment and dementia.

Less likely to help

Patients with advanced stages of dementia or those without cognitive impairment may not benefit from this research.

What this research studies

This research focuses on developing a novel peptide called PNA5, which acts as an agonist for the Mas receptor, to treat cognitive impairment in individuals at risk for vascular dementia and Alzheimer's disease. The study aims to conduct FDA-required toxicology and safety assessments to ensure the peptide's effectiveness and safety before moving to clinical trials. By targeting inflammation and improving blood flow to the brain, PNA5 could potentially slow down or prevent cognitive decline in at-risk patients. The research is crucial as it addresses a significant unmet medical need in the growing population of individuals facing dementia.

Why it matters

Potential benefit: If successful, this research could provide a new therapeutic option to prevent cognitive decline in patients at risk for vascular dementia and Alzheimer's disease.

How similar studies have gone: Previous studies have shown promising results with similar anti-inflammatory approaches in treating cognitive impairment, indicating potential for success in this novel application.

Where this research is happening

  • University of Arizona
    Tucson, United States
    Active

Researchers

  • Principal investigator: Hay, Meredith — University of Arizona
  • Study coordinator: Hay, Meredith

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.