UK drug major GlaxoSmithKline and USA-based biopharmaceutical company Theravance say they have initiated Phase IIb trials of the inhaled corticosteroid, GW685698, and the long-acting beta agonist, GW642444. The program is designed to produce dose optimization data for the two compounds, which are being developed as a next-generation combination therapy for asthma.
The two studies form part of the HORIZON program, which is currently enrolling sufferers of persistent asthma. These will recruit around 2,400 patients worldwide, and will both utilize a new inhalation device that has been developed by the two firms. An additional assessment of GW642444 in chronic obstructive pulmonary disease is due to begin in the next few months.
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