An over-active alternative complement pathway has been implicated in the pathophysiology of multiple diseases, including IgA nephropathy and geographic atrophy secondary to age related macular degeneration. In first-in-human double-blind, placebo-controlled phase 1 studies, the safety and pharmacodynamic effects of sefaxersen (RO7434656), a GalNAc-conjugated 2'-MOE antisense oligonucleotide targeting the complement factor B mRNA, was investigated. Healthy volunteers received either single or repeated (for 6 weeks) subcutaneous administrations of investigational drug or placebo.
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