A method and composition are disclosed utilizing the pure (R,R) isomer of formoterol, which is a potent bronchodilator with reduced adverse effects, having a low incidence of the development of tolerance and having increased duration of action.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation of U.S. Ser. No. 09/136,109 (now U.S. Pat. No. 6,068,833), filed Aug. 18, 1998 as a continuation of U.S. Ser. No. 08/613,382 (now U.S. Pat. No. 5,795,564), filed Mar. 7, 1996 as a continuation-in-part of U.S. Ser. No. 08/373,515 (now abandoned), filed Jan. 12, 1995 as a continuation-in-part of U.S. Ser. No. 08/222,319 (now abandoned), filed Apr. 4, 1994 as a continuation of U.S. Ser. No. 07/927,458 (now abandoned), filed Aug. 10, 1992, and is a continuation-in-part of U.S. Ser. No. 08/382,744 (now abandoned), filed Feb. 2, 1995 as a continuation of U.S. Ser. No. 08/223,798 (now abandoned) filed Apr. 6, 1994 as a continuation of U.S. Ser. No. 07/862,907 (now abandoned), filed Apr. 3, 1992.
A method and composition are disclosed utilizing the pure (R,R) isomer of formoterol, which is a potent bronchodilator with reduced adverse effects, a low incidence of the development of tolerance and an increased duration of action, as compared to racemic formoterol.
The present invention relates to multifunctional .beta.-agonist compounds comprising a reactive oxygen species scavenger group and a nitric oxide donor, and their use for the treatment of respiratory diseases involving airway obstruction, such as asthma and chronic bronchitis. The invention further relates to methods and devices for administering the compounds.