Oral antibiotic for drug-resistant Gram-negative infections

New oral antibiotics focused on treating MDR Gram-negative infections

['FUNDING_SBIR_2'] · CURZA INC · NIH-11135578

An oral antibiotic being developed to treat people with serious multidrug-resistant Gram-negative bacterial infections.

Quick facts

Phase['FUNDING_SBIR_2']
Study typeNih_funding
SexAll
SponsorCURZA INC (nih funded)
Locations1 site (Salt Lake City, UNITED STATES)
Trial IDNIH-11135578 on ClinicalTrials.gov

What this research studies

This project is developing CZ-02, a new oral antibiotic class that attacks a different spot on the bacterial ribosome than current drugs. The team re-engineered a natural compound to make it stable, selective for bacteria, and active against multidrug-resistant Gram-negative pathogens while sparing human cells. Lab tests and animal studies show the compounds can block bacterial protein production and work against resistant bugs without harming mitochondria. The Phase II work aims to advance the best candidates toward becoming an oral medicine for patients with hard-to-treat Gram-negative infections.

Who could benefit from this research

Good fit: People with confirmed or suspected infections caused by multidrug-resistant Gram-negative bacteria who have limited or failing standard antibiotic options would be the ideal candidates for future clinical testing.

Not a fit: Patients with infections caused by Gram-positive bacteria, viruses, fungi, or non-infectious conditions are unlikely to benefit from this antibiotic approach.

Why it matters

Potential benefit: Could provide an effective oral treatment option for infections caused by multidrug-resistant Gram-negative bacteria that currently have few alternatives.

How similar studies have performed: Related antibiotics target the ribosome, but targeting this unique ribosomal site to produce an oral drug against MDR Gram-negative bacteria is largely novel and has limited prior success in humans.

Where this research is happening

Salt Lake City, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.