NIH-funded research U01 cooperative agreement

Developing a Safe Lassa Fever Vaccine

Official title: Novel Lassa fever live-attenuated vaccine platform with safety features ensuring unbreachable attenuation

Funded at Scripps Research Institute, the · NIH-11173710 · Data updated 2026-11-12

This project is creating a new, safer vaccine to protect people from Lassa fever, a serious illness found in West Africa.

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionScripps Research Institute, the
NIH-funded
Lab location1 site (La Jolla, United States)
Project startAugust 20, 2024
Project endJune 30, 2028
Funding year2025
Award (this year)$469,396
NIH project number5U01AI181212-02
Project IDNIH-11173710 on NIH RePORTER

Who could benefit from this research

Could help

This foundational research is for future vaccine development, so ideal candidates would eventually be individuals at high risk of Lassa fever infection, particularly in West Africa.

Less likely to help

Patients currently suffering from Lassa fever would not directly benefit from this vaccine development project, as it focuses on prevention rather than treatment.

What this research studies

Lassa fever is a serious disease common in West Africa, with no approved vaccine and limited treatment options. This project aims to create a live-attenuated vaccine (LAV), which uses a weakened form of the virus to teach the body to fight the infection. Researchers are designing this vaccine to be very safe by making specific genetic changes to the virus, ensuring it cannot become harmful again. They have already seen promising results in animal models, where these modified viruses were safe and provided full protection against Lassa fever. The ultimate goal is to develop a highly effective and safe vaccine to prevent this devastating disease.

Why it matters

Potential benefit: If successful, this vaccine could offer much-needed protection against Lassa fever, significantly reducing illness and death in affected regions.

How similar studies have gone: Previous work by these researchers has shown that similar modified viruses are safe and protective in animal models, suggesting a promising approach for this vaccine.

Where this research is happening

  • Scripps Research Institute, the
    La Jolla, United States
    Active

Researchers

  • Principal investigator: De la Torre, Juan C. — Scripps Research Institute, the
  • Study coordinator: De la Torre, Juan C.

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.