Vilsvik J S, Langaker O, Persson G, Ringdal N, Schaanning J, Kvelstad G, Svensson K, Holthe S, Soliman S
Department of Pulmonary Disease, Regional Hospital, University of Trondheim, Norway.
Ann Allergy. 1991 Apr;66(4):315-9.
Bambuterol, a carbamate prodrug of terbutaline as a 5, 10, or 20-mg tablet, was given once every evening to patients with asthma in a randomized double-blind crossover study. Twenty milligrams improved pulmonary functions over 24 hours; 5 and 10 mg did not. Few side effects were observed.