NIH-funded research NIH-funded research

Peptide-based drug leads aimed at treating botulism

Official title: Synthesis and evaluation of peptidomimetics to probe the active site of the botulinum neurotoxin to discover therapeutic leads for the treatment of botulism

Funded at California State University Fullerton · NIH-11332264 · Data updated 2026-11-12

Researchers are making peptide molecules that could block the botulinum toxin and help people with botulism.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionCalifornia State University Fullerton
NIH-funded
Lab location1 site (Fullerton, United States)
Project startApril 11, 2024
Project endMarch 31, 2027
Funding year2026
Award (this year)$142,000
NIH project number5R16AI175003-03
Project IDNIH-11332264 on NIH RePORTER

Who could benefit from this research

Could help

People diagnosed with or acutely exposed to botulinum toxin would be the eventual candidates for treatments developed from this work.

Less likely to help

People without botulism or those with paralysis from non-toxin causes are unlikely to benefit from these specific therapies.

What this research studies

If I had botulism, this project would be trying to make small peptide molecules to block the botulinum toxin's active site. The team will create many dipeptide variants and use enzyme tests and structural data to find molecules that stop the toxin. They will also test whether promising molecules can enter cells and resist breakdown, then refine their designs to work better in the body.

Why it matters

Potential benefit: Could produce new medicines that neutralize the toxin and prevent respiratory failure and death from botulism.

How similar studies have gone: Laboratory results previously showed dipeptides can inhibit the botulinum enzyme in biochemical assays and crystal structures, but clinical benefit has not yet been demonstrated.

Where this research is happening

  • California State University Fullerton
    Fullerton, United States
    Active

Researchers

  • Principal investigator: Salzameda, Nicholas Thomas — California State University Fullerton
  • Study coordinator: Salzameda, Nicholas Thomas

Related research

Other NIH-funded projects on the same topics.

  • How acetylation affects RNA-splicing decisions

    This grant looks at how chemical changes on RNA-binding proteins influence how our cells decide which RNA pieces to keep or skip, which can affect diseases like cancer and neurodegeneration.

    NIH research California State University Fullerton · Fullerton, United States · NIH-11379511

  • Cell Sorter to enable advanced cell analysis at CSUF

    A new benchtop cell sorter will help CSUF students and researchers isolate specific cell types for cancer, microbiology, neurobiology, and parasitology studies.

    NIH research California State University Fullerton · Fullerton, United States · NIH-11363155

  • How a common human blood protein helps Acinetobacter pick up antibiotic-resistance genes

    This project looks at whether human serum albumin, a common blood protein, makes Acinetobacter bacteria more likely to grab genes that cause antibiotic resistance, which matters for people with these infections.

    NIH research California State University Fullerton · Fullerton, United States · NIH-11111361

  • Developing new non-opioid medications for chronic pain relief

    This study is looking for new ways to help people with chronic pain by creating special medications that work on two key enzymes, which could provide better pain relief without the side effects of traditional treatments, and patients may have the chance to try these new options in trials.

    NIH research California State University Fullerton · Fullerton, United States · NIH-11089497

  • Developing new treatments for botulism using synthetic molecules

    This study is working on developing new treatments for botulism, a serious illness caused by a harmful toxin, by testing small molecules to see if they can stop the toxin from causing harm.

    NIH research California State University Fullerton · Fullerton, United States · NIH-11074142

  • Understanding how certain bacteria interact with host cells

    This study is looking at how a specific signaling pathway in a type of bacteria affects its ability to interact with plants and animals, which could help us understand how these bacteria can either cause problems or help their hosts.

    NIH research California State University Fullerton · Fullerton, United States · NIH-10908372

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.