FDA & Regulatory
The approval converts an IV-only antibiotic class into an outpatient option, potentially shifting hundreds of thousands of annual cUTI hospitalizations toward oral step-down therapy.
Regulatory Desk · 3 min read
The FDA on June 17, 2026, approved Utebzi (tebipenem pivoxil hydrobromide, 600 mg oral tablets) for the treatment of adult patients with complicated urinary tract infections (cUTI) and acute uncomplicated pyelonephritis caused by susceptible Enterobacteriaceae. The approval, granted to GSK following the full NDA transfer from Spero Therapeutics upon GSK’s 2023 acquisition, makes tebipenem the first oral carbapenem antibiotic approved anywhere in the world.
Why an oral carbapenem matters
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