Billion-Dollar Molecules: Voxelotor, A $5.4 Billion Reversible Covalent Aldehyde

Abstract. Voxelotor, a gram-daily reversible covalent aldehyde drug, is an approved first-in-class oral drug that prevents the hemoglobin polymerization that drives sickle cell disease. It was one of several agents in clinical trials acquired from Global Blood Therapeutics by Pfizer as part of an over $5 billion buyout. In this article, we dive into:

  • the mechanism of action of the first-in-class drug
  • the clinical context of the acquired portfolio
  • the drug discovery story of this new drug class

request a trial

Premium members get access to our library of hundreds of in-depth reviews on key molecules, ten new reviews each month, novel drug approval coverage, drug discovery company updates, and more.

Interested in learning more? Submit this form to request a trial.

already a member? log in:

Join the Drug Hunter mailing list

to get free content and resources weekly. Trusted by > 5,500 drug hunters worldwide. Unsubscribe anytime.


Join Subscribers from

…and hundreds more!