NIH-funded research R21 grant

Ceftaroline-meropenem combo to beat MRSA in cystic fibrosis

Official title: Targeting MRSA in Cystic Fibrosis: Ceftaroline-Meropenem Combination Therapy and the Predictive Role of PrsA

Funded at Mainehealth · NIH-11439521 · Data updated 2026-11-12

A new combination antibiotic approach is being tested to help people with cystic fibrosis who have MRSA infections that resist standard treatments.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMainehealth
NIH-funded
Lab location1 site (Portland, United States)
Project startSeptember 1, 2026
Project endAugust 31, 2028
Funding year2026
Award (this year)$489,848
NIH project number1R21AI202371-01
Project IDNIH-11439521 on NIH RePORTER

Who could benefit from this research

Could help

PwCF with chronic or recurrent MRSA infections who have limited options due to antibiotic resistance.

Less likely to help

PwCF without MRSA infection or whose infection is susceptible to standard therapy may not benefit from this approach.

What this research studies

This project focuses on people with cystic fibrosis who suffer from MRSA infections. It explores using ceftaroline together with meropenem to overcome resistance and suppress MRSA in the airways. The team has observed that MRSA can persist despite current therapies, contributing to slower lung function and earlier health decline. By studying this combination therapy, researchers hope to identify a more effective way to control infections and improve outcomes for PwCF. The study design includes preclinical observations and a plan to translate findings toward future clinical evaluation.

Why it matters

Potential benefit: If successful, the approach could offer a more effective option to control chronic MRSA infections in cystic fibrosis, potentially slowing lung decline and reducing exacerbations.

How similar studies have gone: Early results from related antibiotic combinations suggest potential, but this exact ceftaroline-meropenem pairing for MRSA in CF is novel.

Where this research is happening

  • Mainehealth
    Portland, United States
    Active

Researchers

  • Principal investigator: Rosato, Adriana E — Mainehealth
  • Study coordinator: Rosato, Adriana E

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.