SPRO FDA calendar & decision history Spero Therapeutics Inc. · no upcoming catalyst on file · 1 past FDA decision
FDA decision history (1) Jun 17, 2026✓ Approved Utebzi (Tebipenem HBr) - (PIVO See the full 2026 PDUFA calendar → This page aggregates SPRO's FDA catalysts from pdufa.bio's own calendar and decision archive. Each item links to its source page. Facts and dates only; verify against primary FDA / SEC / company filings.
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