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Attenuation of aspirin-induced bronchoconstriction by sodium cromoglycate and nedocromil sodium.

Abstract
The protective activity of nedocromil sodium and of sodium cromoglycate against aspirin-induced asthma has never been investigated in controlled studies. Because it has been reported that aspirin-induced platelet-mediated cytotoxic activity in vitro is inhibited after treatment in vivo with nedocromil but not with cromoglycate, we investigated whether these compounds also exhibit a different protective activity against aspirin-induced bronchoconstriction. Ten patients with aspirin-induced asthma underwent three bronchial challenges with a single dose of lysine acetylsalicylate (LASA) that caused a decrease in FEV1 of 25% or more in a preliminary dose-response test 30 min after inhalation of 4 mg nedocromil sodium, 10 mg sodium cromoglycate, or placebo. FEV1 and SRaw were recorded at intervals for 195 min. After placebo, LASA caused a maximal decrease in FEV1 of 42 +/- 4% of baseline. After cromoglycate and nedocromil the maximal decrease in FEV1 was reduced to 20 +/- 3% and 18 +/- 4%, respectively (p < 0.01 versus placebo for both treatments), without significant differences between the two treatments. Similar results were observed with SRaw. We conclude that, at the recommended therapeutic doses, sodium cromoglycate and nedocromil sodium are equally effective in attenuating aspirin-induced bronchoconstriction and that it is unlikely that platelet activation participates in the pathogenesis of aspirin-induced asthma.
AuthorsM Robuschi, G Gambaro, P Sestini, M G Pieroni, R M Refini, A Vaghi, S Bianco
JournalAmerican journal of respiratory and critical care medicine (Am J Respir Crit Care Med) Vol. 155 Issue 4 Pg. 1461-4 (Apr 1997) ISSN: 1073-449X [Print] UNITED STATES
PMID9105094 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial)
Chemical References
  • Anti-Asthmatic Agents
  • Anti-Inflammatory Agents, Non-Steroidal
  • Platelet Aggregation Inhibitors
  • Nedocromil
  • acetylsalicylic acid lysinate
  • Lysine
  • Cromolyn Sodium
  • Aspirin
Topics
  • Anti-Asthmatic Agents (administration & dosage, pharmacology)
  • Anti-Inflammatory Agents, Non-Steroidal
  • Aspirin (adverse effects, analogs & derivatives)
  • Asthma (chemically induced, physiopathology, prevention & control)
  • Bronchial Provocation Tests
  • Bronchoconstriction (drug effects)
  • Cromolyn Sodium (administration & dosage, pharmacology)
  • Cross-Over Studies
  • Dose-Response Relationship, Drug
  • Double-Blind Method
  • Female
  • Humans
  • Lysine (analogs & derivatives)
  • Male
  • Middle Aged
  • Nedocromil (administration & dosage, pharmacology)
  • Platelet Aggregation Inhibitors (administration & dosage, pharmacology)

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