Randomized, double-blind, placebo-controlled, phase I study of the safety and pharmacokinetics of namilumab in healthy Japanese and Caucasian men


International Journal of Clinical Pharmacology and Therapeutics
Shingo TanakaMasaki Kawamura

Abstract

Namilumab is an investigational human monoclonal antibody to human granulocyte-macrophage colony-stimulating factor (GM-CSF). A phase I study of repeated namilumab dosing (150 or 300 mg subcutaneously) in non-Japanese patients with rheumatoid arthritis reported no safety concerns. The objective of this study was to report the safety (primary endpoint) and pharmacokinetic/pharmacodynamic effects of namilumab in healthy Japanese and Caucasian men aged 20 - 45 years (NCT02354599). 24 Japanese subjects were randomized to a single dose of namilumab (80, 150, or 300 mg; n = 6/group) or placebo (n = 6; 2 subjects randomized/matched dose); 8 Caucasian subjects received namilumab 150 mg (n = 6) or placebo (n = 2). Overall, 29 subjects completed the study (2 withdrew voluntarily; 1 due to a serious adverse event (AE) unrelated to treatment). Baseline demographics were similar across treatment groups; mean age and weight were higher in Caucasians. Namilumab was well tolerated, with no notable safety concerns or pharmacokinetic/pharmacodynamic differences between Japanese and Caucasian subjects. AEs were mild to moderate, with no dose-proportional increase in Japanese subjects. Area under the serum concentration-time curve from zero to inf...Continue Reading

Associated Clinical Trials

Citations

Nov 6, 2020·ImmunoTargets and Therapy·Kevin M C LeeJohn A Hamilton

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