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The effects of the beta 2-adrenergic agonist, salbutamol, 200 mug, and the cholinergic antagonist, Sch 1000, 40 mug, have been compared in 25 asthmatic patients using a single dose, double-blind, crossover trial design. Salbutamol aerosol produces a greater degree of bronchodilatation than Sch 1000 aerosol during the initial three hours following drug administration. There is no significant difference in the bronchodilator effects of the two drugs in the interval four to eight hours after drug administration. Nonatopic patients showed less difference in bronchodilator response to each of the two drugs than atopic patients. Neither drug showed any significant adverse effect on blood pressure, pulse rate, or electrocardiogram. In six asthmatic patients the effect of the combination of salbutamol, 200 mug, and Sch 1000, 40 mug, was evaluated. The combination produced a longer duration of bronchodilatation than either drug alone when compared to placebo.
R E Ruffin, and
J D Fitzgerald, and
A S Rebuck
October 1973,
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R E Ruffin, and
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R E Ruffin, and
J D Fitzgerald, and
A S Rebuck
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R E Ruffin, and
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A S Rebuck
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A S Rebuck
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R E Ruffin, and
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R E Ruffin, and
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A S Rebuck
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R E Ruffin, and
J D Fitzgerald, and
A S Rebuck
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