New treatments to help end river blindness

Innovative therapeutic strategies to support elimination of river blindness

NIH-funded research Washington University · NIH-11166445

Developing and testing new drugs and treatment plans to kill the adult worms that cause river blindness for people living in affected areas.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11166445 on NIH RePORTER

What this research studies

River blindness (onchocerciasis) is caused by a parasitic worm and current mass drug rounds often only kill the immature parasites, meaning transmission can continue. This project looks for and develops drugs that can kill adult worms (macrofilaricides) and designs treatment schedules that could shorten or stop transmission. The team uses laboratory studies, animal models, and work tied to drugs already in clinical development to find promising candidates and treatment combinations. If successful, the work would move toward clinical testing in communities where river blindness is common.

Who could benefit from this research

Good fit: People living in onchocerciasis-endemic regions or anyone diagnosed with river blindness would be the ideal candidates for related clinical testing.

Not a fit: People who do not have onchocerciasis, live outside endemic areas, or are in groups excluded from specific drug testing (for example some young children or pregnant people) may not benefit from the interventions studied.

Why it matters

Potential benefit: Could produce treatments that kill adult parasites and help communities stop transmission sooner, reducing blindness and long-term infections.

How similar studies have performed: Related approaches have shown promise—moxidectin improved parasite clearance and emodepside has shown activity against adult worms in development—but no single new drug has yet proven to stop transmission everywhere.

Where this research is happening

Saint Louis, United States

Researchers

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 below.
Conditions Acquired Immune Deficiency Syndrome VirusAcquired Immunodeficiency Syndrome Virus
Last reviewed 2026-06-14 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.