Spero Therapeutics, Inc.

Spero Therapeutics is a drug development company working on antibiotics and treatments for rare diseases. The company's main focus is bacteria that have become resistant to existing antibiotics, which makes infections harder to treat. One of their lead medicines is an oral antibiotic called tebipenem that is being tested to treat complicated urinary tract infections in adults. The company licenses some of its medicines to other pharmaceutical companies for development and sale in specific regions like China and Southeast Asia.