Spero Therapeutics, Inc.(SPRO)Earnings, Financials & Key Ratios

Spero Therapeutics, Inc. and partner GSK receive FDA approval for Utebzi, the first oral carbapenem for complicated urinary tract infections, via partnership with GSK. SPRO stands to receive milestone payments and royalties from GSK, with potential annual earnings of ~$50m and upside if Utebzi achieves blockbuster status. Despite a volatile share price and limited pipeline, SPRO's low burn rate and funding runway into 2028 support a 'buy the dip' thesis for risk-tolerant investors.

GSK wins FDA approval for Utebzi, the first oral carbapenem for complicated UTIs, further expanding its anti-infectives portfolio.

PHILADELPHIA--(BUSINESS WIRE)--GSK plc (LSE/NYSE: GSK) and Spero Therapeutics (Nasdaq: SPRO) today announced that the US Food and Drug Administration (FDA) has approved Utebzi, an oral antibiotic for the treatment of complicated urinary tract infections (cUTIs) including pyelonephritisi, caused by certain susceptible pathogensii in adult patients who have limited or no alternative oral treatment options. This is the first and only oral carbapenem antibiotic approved for these patients. This app.

CAMBRIDGE, Mass., June 17, 2026 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (Nasdaq: SPRO) and GSK plc (LSE/NYSE: GSK) today announced that the US Food and Drug Administration (FDA) has approved Utebzi, an oral antibiotic for the treatment of complicated urinary tract infections (cUTIs) including pyelonephritis1, caused by certain susceptible pathogens2 in adult patients who have limited or no alternative oral treatment options. This is the first and only oral carbapenem antibiotic approved for these patients. This approval is a result of GSK's development and exclusive global licensing agreement (excluding select Asian territories) with Spero Therapeutics.iv