NIH-funded research R21 grant

Stable mRNA vaccine for new SARS-CoV-2 variants using RNA-plex protection

Official title: Development of a stable mRNA prophylactic vaccine against SARS-CoV-2 omicron variant

Funded at Methodist Hospital Research Institute · NIH-11395650 · Data updated 2026-11-12

A new approach aims to make mRNA vaccines against evolving COVID-19 variants more stable so they can be stored and distributed more easily.

More SARS-CoV-2 research and trials

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMethodist Hospital Research Institute
NIH-funded
Lab location1 site (Houston, United States)
Project startAugust 18, 2025
Project endJuly 31, 2027
Funding year2026
Award (this year)$239,340
NIH project number5R21AI187979-02
Project IDNIH-11395650 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals eligible for mRNA vaccine development and testing, including those at risk from emerging SARS-CoV-2 variants.

Less likely to help

Participants in later stages may face standard vaccine risks without direct benefit if the technology does not translate to humans.

What this research studies

This project seeks to keep mRNA vaccine technology effective as the virus changes, by developing a protective carrier-base system called RNA-plex that helps mRNA stay intact without strict cold storage. Researchers will test how well this method preserves vaccine mRNA in less stringent temperatures and whether the immune response remains strong. The work involves creating the protective formulation, evaluating its stability, and measuring antibody responses and other immune markers in relevant models. If successful, the technology could simplify transportation and expand vaccine access, especially in areas with limited cold-chain infrastructure.

Why it matters

Potential benefit: If successful, vaccines could be stored and shipped more easily, improving access to protection against new COVID-19 variants.

How similar studies have gone: Previous mRNA vaccine platforms have shown strong protection, but stability challenges remain; this project explores a novel protective tech that is still in early stages.

Where this research is happening

  • Methodist Hospital Research Institute
    Houston, United States
    Active

Researchers

  • Principal investigator: Mai, Junhua — Methodist Hospital Research Institute
  • Study coordinator: Mai, Junhua

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.