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. 2006 Apr;13(2):78-87.
doi: 10.1159/000091969. Epub 2006 Apr 19.

Systematic Review of Clinical Data With BNO-101 (Sinupret) in the Treatment of Sinusitis


Systematic Review of Clinical Data With BNO-101 (Sinupret) in the Treatment of Sinusitis

Jörg Melzer et al. Forsch Komplementmed. .


Background: The herbal formula BNO-101 (containing Gentianae radix, Primulae flos, Rumicis herba, Sambuci flos and Verbenae herba; ratio 1:3:3:3:3) has been widely employed as a 'mucoactive' agent in Germany for 70 years for the symptoms of respiratory infections. This paper reviews the clinical evidence of BNO-101 in sinusitis.

Methods: The systematic search identified 22 studies with BNO-101. Out of these, 6 controlled trials on sinusitis were reassessed according to predefined criteria. 4 trials had almost identical designs and could be examined by meta-analysis.

Results: The database comprised approximately 900 patients, mostly young adult males. After 2 weeks of treatment, verum was significantly superior to placebo (2 RCTs, 159 vs. 160 patients, both add-on to antibacterial treatment). The benefit regards the patients' assessment ('cured': verum = 61.1%, placebo = 34.5%), reduction of drain obstruction, headache and radiological signs (all p < 0.05). Comparing BNO-101 to ambroxol (2 RCTs, 151 vs. 150 patients, add-on to antibacterials in 13% of the cases) the patients' assessment after 2 weeks showed no difference, although it favoured BNO-101 in chronic cases ('cured' BNO-101 = 37.1%, ambroxol = 12.5%; p < 0.05). It also favoured BNO-101 concerning pyorrhoea and headache (p < 0.05). No significant differences were reported in 2 open randomised trials vs. N-acetyl-cysteine and vs. the herbal product Myrtol std.

Conclusions: BNO-101, combined with standard antibacterial therapy, significantly reduces the acute symptoms and signs of sinusitis. The effects are of the same order of magnitude as observed with other mucoactive agents. In the trials investigated BNO-101 had a favourable risk/benefit ratio, with an incidence of adverse events similar to placebo.

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