Effects of the antitussive fominoben (PB89) on hypoxia in chronic obstructive lung disease: comparison with dextromethorphan using a double-blind method.
|
| Abstract |
We studied the effects of a non-narcotic, centrally acting antitussive, fominoben (PB89), on hypoxia in sixty patients suffering from chronic obstructive lung diseases (COLD), utilizing a double-blind method and using the antitussive dextromethorphan as a reference drug. By the oral administration of a dose of 2 fominoben tablets (160 mg) three times a day for 2 weeks, a significant increase in arterial O2 pressure (PaO2), a decrease in arterial CO2 pressure (PaCO2), and a rise in pH were observed. However, alveolar-arterial O2 difference (A-aDO2) was not improved. On the other hand, after administration of a dose of 2 dextromethorphan tablets (30 mg) three times a day for 2 weeks, no increase in PaO2, no decrease in PaCo2 and no improvement in A-aDO2 were observed, although a rise in pH was seen. The increase in PaO2 by fominoben was marked in COLD with dyspnoea. No improvement of A-aDO2 despite a decrease in PaCO2 suggests that fominoben might increase alveolar ventilation, in spite of its effect as an antitussive, exerting a favourable effect on hypoxia. It is, therefore, speculated that the cough centre and the respiratory centre are capable of functioning independently of each other.
|
|---|---|
| Authors | T Sasaki, M Sugiyama, H Sasaki, S Suzuki, T Takishima |
| Journal | The Journal of international medical research (J Int Med Res) Vol. 13 Issue 2 Pg. 96-101 ( 1985) ISSN: 0300-0605 [Print] England |
| PMID | 3158563 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial) |
| Chemical References |
|
| Topics |
|
Join CureHunter, for free Research Interface BASIC access!
Realize the full power of the drug-disease research graph!