🔬 Discovery

Budesonide

Budesonida

Date
1973 · confidence medium
Place
Lund, Scania, Sweden
Credited to
Arne Thalén and Ralph Brattsand (Draco, a subsidiary later merged into Astra)
Field
Life & health

What was discovered

Chemists at Draco in Lund (later part of the Swedish drug company Astra) patented budesonide in 1973, a locally acting corticosteroid with very low systemic absorption, ideal for inhaled treatment of asthma; it went on the market starting in 1981.

The specific credit to Thalén and Brattsand and the location (Astra, in Södertälje) are not confirmed in the Wikipedia article consulted; they are kept as the standard attribution in the pharmacological literature, with medium confidence.

What it led to

  • Standard inhaled treatment for asthma and COPD
  • Nasal and rectal formulations for allergic rhinitis and inflammatory bowel disease
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Sources✓ verified 2026-09-28