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Susanne Prothon,1 Ulrika Wählby Hamrén,1 Ulrika Tehler,2 Esther Yoon,3 Henrik Forsman,4 Cecilia Arfvidsson,5 Ajay Aggarwal,6 Yingxue Chen7 1Clinical Pharmacology, ADME, and AI, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Gothenburg, Sweden; 2Early Product Development, Pharmaceutical Sciences, R&D, AstraZeneca, Gothenburg, Sweden; 3Early Phase Clinical Unit, PAREXEL, Glendale, CA, USA; 4Research and Early Development, Respiratory, Inflammation and Autoimmune (RIA), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; 5Clinical Sample and Bioanalytical Science, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Gothenburg, Sweden; 6Research and Early Development, Respiratory, Inflammation and Autoimmune (RIA), BioPharmaceuticals R&D, AstraZeneca, Boston, MA, USA; 7Clinical Pharmacology, ADME, and AI, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Boston, MA, USACorrespondence: Susanne ProthonClinical Pharmacology, ADME, and AI, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Pepparedsleden 1, Mölndal 431 83, SwedenEmail susanne.prothon@astrazeneca.comIntroduction: AZD7594 is a non-steroidal, selective, glucocorticoid receptor modulator (SGRM), currently in development for the treatment of asthma and chronic obstructive pulmonary disease. This paper reports a randomized placebo-controlled dose escalation study in healthy Japanese male subjects.Methods: Inhaled AZD7594 was administered as one single dose at day 1 (day 1–4), with subsequent multiple daily doses (day 5–16) via a multiple-dose dry powder inhaler for 12 days of once-daily treatment. At each dose level, subjects were randomized to AZD7594 (n=7) or placebo (n=2). The safety, pharmacokinetics (PK) and pharmacodynamics (PD) of AZD7594 were evaluated.Results: Inhaled AZD7594 was safe and well tolerated up to and including the highest dose 1600 μg tested. Plasma exposure suggested dose-proportional PK. The urinary excretion of AZD7594 was negligible ( |
