NIH-funded research U01 cooperative agreement

CMS121 long-term safety testing to support Alzheimer’s drug development

Official title: Long-term, non-clinical toxicology for advancing CMS121 to Phase 2 trials for AD

Funded at Virogenics, INC. · NIH-11550675 · Data updated 2026-11-12

A non-clinical safety study in animals is planned to support advancing CMS121 for Alzheimer’s disease into a Phase 2 trial.

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionVirogenics, INC.
NIH-funded
Lab location1 site (Del Mar, United States)
Project startSeptember 24, 2024
Project endAugust 31, 2027
Funding year2026
Award (this year)$193,672
NIH project number3U01AG084549-03S1
Project IDNIH-11550675 on NIH RePORTER

Who could benefit from this research

Could help

Not applicable to patient enrollment; guards for future trial participants will rely on later human studies.

Less likely to help

This non-clinical work does not involve patients or provide direct benefits to individuals now.

What this research studies

This project will produce large quantities of CMS121-M and conduct 6-month rat and 9-month dog toxicology studies to assess safety with daily dosing. The results will inform dosing strategies and study designs for future human trials. The work includes manufacturing scale-up and executing long-term safety tests under FDA guidance at Virogenics, Inc. in Del Mar. Overall, it aims to ensure that CMS121 can be safely tested in people with Alzheimer’s disease.

Why it matters

Potential benefit: If successful, the toxicology data could support a safer, more informed move into Phase 2 trials for CMS121 in Alzheimer’s patients.

How similar studies have gone: Long-term animal toxicology is a standard step and has precedents guiding human trial design for AD drugs.

Where this research is happening

  • Virogenics, INC.
    Del Mar, United States
    Active

Researchers

  • Principal investigator: Raschke, William C — Virogenics, INC.
  • Study coordinator: Raschke, William C

Related research

Other NIH-funded projects on the same topics.

  • New drug CMS121 to help people with Alzheimer’s disease

    A promising new drug candidate called CMS121 is being studied to support a long-term treatment plan for adults with mild to moderate Alzheimer’s disease.

    NIH research Virogenics, INC. · Del Mar, United States · NIH-11392461

  • Long-term safety testing of CMS121 for people with mild to moderate Alzheimer's disease

    This project is testing whether the new pill CMS121 can be safely given every day for a long time to adults with mild to moderate Alzheimer's disease.

    NIH research Virogenics, INC. · Del Mar, United States · NIH-11196206

  • Developing a new treatment for Alzheimer's Disease

    This study is testing a new drug called CMS121 that could help improve memory and thinking skills in people with Alzheimer's Disease, offering a different approach than current treatments, and it might make a real difference if it works well in trials.

    NIH research Virogenics, INC. · Del Mar, United States · NIH-11008209

  • Investigating a new treatment for Alzheimer's Disease

    This study is testing a new drug called CMS121 to see if it can help people with mild to moderate Alzheimer's Disease by improving memory and thinking skills, while also making sure it's safe to take every day.

    NIH research Virogenics, INC. · Del Mar, United States · NIH-10779413

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.
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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.