Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Trembath, P.W. et al.

Comparison of four weeks' treatment with fenoterol and terbutaline aerosols in adult asthmatics. A double-blind crossover study.

Fenoterol and terbutaline, two long-acting beta 2-adrenoceptor agonists in aerosol form, were compared in an 8-wk randomized double-blind crossover study in 22 mild to moderately severe asthmatics. Patients completed diary cards, recorded peak expiratory flow rate (PEFR) twice daily, and attended a clinic for measurement of PEFR, 1-sec forced expiratory volume (FEV1), and forced vital capacity (FVC) twice during each treatment period. Fifteen patients completed the study; 5 dropped out while using fenoterol, and 2 while using terbutaline. At clinic attendances, the patients had a significantly higher mean PEFR after 4 wk on terbutaline (385 L/min) than after fenoterol (316 L/min) (p less than 0.001). Similar results were found on analysis of the morning and evening PEFR recordings. On comparing each individual's PEFR recordings during the 2 treatments, it was found that there was no significant difference among the treatments in 3 patients, while 9 patients had a better response to terbutaline, and 3 patients had a better response to fenoterol. While similar number expressed a subjective preference for each treatment, the lung function data suggested that the effectiveness of fenoterol appeared to decline during the trial period.[1]

References

Comparison of four weeks' treatment with fenoterol and terbutaline aerosols in adult asthmatics. A double-blind crossover study. Trembath, P.W., Greenacre, J.K., Anderson, M., Dimmock, S., Mansfield, L., Wadsworth, J., Green, M. J. Allergy Clin. Immunol. (1979) [Pubmed]

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