NIH-funded research R21 grant

Hit-to-lead drug development for Acanthamoeba keratitis

Official title: Hit to lead drug development for Acanthamoeba keratitis

Funded at Purdue University · NIH-11465023 · Data updated 2026-11-12

A Purdue research team is developing new drug candidates to treat Acanthamoeba keratitis, a painful eye infection often linked to contact lens use and water exposure.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionPurdue University
NIH-funded
Lab location1 site (West Lafayette, United States)
Project startSeptember 1, 2026
Project endAugust 31, 2028
Funding year2026
Award (this year)$248,814
NIH project number1R21AI203106-01
Project IDNIH-11465023 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with or at risk for Acanthamoeba keratitis, particularly contact lens wearers with water exposure history.

Less likely to help

People without AK or who would not be treated with benzoxazepinoindazole-based drugs may not benefit.

What this research studies

This project focuses on finding and optimizing new chemical compounds that can more effectively kill Acanthamoeba in the eye and work well in the eye’s environment. Researchers will study structure-activity and structure-property relationships to move promising compounds from early discovery toward a lead candidate. The work combines drug-discovery expertise with infectious-disease chemistry to improve potency, selectivity, and ocular pharmacokinetics. The goal is to shorten treatment duration and reduce the need for surgeries.

Why it matters

Potential benefit: If successful, patients could receive more effective treatments that clear infections faster and reduce vision loss or eye surgeries.

How similar studies have gone: Previous work in amoebic infections has shown that targeted chemical classes can improve potency and selectivity, but this specific hit-to-lead effort is novel for AK.

Where this research is happening

  • Purdue University
    West Lafayette, United States
    Active

Researchers

  • Principal investigator: Rice, Christopher Aaron — Purdue University
  • Study coordinator: Rice, Christopher Aaron

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.
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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.