Ambroxol for the prevention of acute upper respiratory disease

K Nobata1, M Fujimura, Y Ishiura

  • 1Respiratory Medicine, Cellular Transplantation Biology, Kanazawa University Graduate School of Medicine, 13-1 Takara-machi, Kanazawa 920-8641, Japan. k-nobata@yg7.so-net.ne.jp

Insights

Ambroxol effectively reduced acute upper respiratory disease (AURD) episodes in a clinical study. This mucolytic agent shows promise for preventing common colds and flu, offering a new therapeutic option.

Area of Science:

  • Respiratory Medicine
  • Pharmacology

Background:

  • Acute upper respiratory diseases (AURDs) like the common cold and influenza are prevalent globally.
  • Effective preventive and therapeutic interventions for AURDs remain limited.
  • Mucoactive drugs are often used, but their specific efficacy in preventing AURD requires further investigation.

Purpose of the Study:

  • To evaluate the efficacy of ambroxol, a mucoactive drug, in preventing acute upper respiratory diseases (AURDs).
  • To compare the effectiveness of ambroxol against rebamipide and carbocisteine in reducing AURD frequency.

Main Methods:

  • A randomized controlled trial involving 54 patients divided into three groups: rebamipide, carbocisteine, and ambroxol.
  • The study spanned two six-month periods (summer and winter seasons).
  • Participants received daily doses of rebamipide (300 mg), carbocisteine (1500 mg), or ambroxol (45 mg).

Main Results:

  • Ambroxol treatment significantly decreased the median number of AURD episodes compared to rebamipide (P=0.0049).
  • Carbocisteine did not show a significant reduction in AURD episodes.
  • In a subgroup of unvaccinated patients during winter, ambroxol also significantly reduced AURD episodes (P=0.0028 vs. rebamipide).

Conclusions:

  • Ambroxol demonstrates potential as an effective agent for preventing acute upper respiratory diseases.
  • The findings suggest ambroxol may be a valuable addition to strategies for managing common respiratory infections.

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