C3-targeted therapy in periodontal disease: moving closer to the clinic

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Abstract

Complement plays a key role in immunosurveillance and homeostasis. When dysregulated or overactivated, complement can become a pathological effector, as seen in several inflammatory disorders, including periodontal disease. Recently, clinical correlative studies and preclinical mechanistic investigations have collectively demonstrated that complement is hyperactivated during periodontitis and that targeting its central component (C3) provides therapeutic benefit in nonhuman primates (NHPs). The preclinical efficacy of a C3-targeted drug candidate combined with excellent safety and pharmacokinetic profiles supported its use in a recent Phase IIa clinical study in which C3 inhibition resolved gingival inflammation in patients with periodontal disease. We posit that C3-targeted intervention might represent a novel and transformative host-modulation therapy meriting further investigation in Phase III clinical trials for the treatment of periodontitis.

Original languageEnglish
Pages (from-to)856-864
Number of pages9
JournalTrends in Immunology
Volume42
Issue number10
DOIs
Publication statusPublished - Oct 2021

Bibliographical note

Publisher Copyright:
© 2021

Funding

The cited preclinical complement studies were supported by grants from the US National Institutes of Health (AI068730, AI030040, DE015254, and DE021685), the European Commission (FP7-DIREKT 602699). This work was funded in part by the intramural program of the National Institutes of Health. The figures were generated using Biorender.com. G.H. H.H. and J.D.L. conceived and prepared the original draft and all authors contributed to the writing and/or editing of the final version of this Opinion article. J.D.L. is the founder of Amyndas Pharmaceuticals, which is developing complement inhibitors (including third-generation compstatin analogs such as AMY-101). J.D.L. is an inventor on patents or patent applications that describe the use of complement inhibitors for therapeutic purposes, some of which are developed by Amyndas Pharmaceuticals. J.D.L. and G.H. have a joint patent that describes the use of complement inhibitors for therapeutic purposes in periodontitis. J.D.L. is also the inventor of the compstatin technology licensed to Apellis Pharmaceuticals [i.e. 4(1MeW)7W/POT-4/APL-1 and PEGylated derivatives; e.g. APL-2/pegcetacoplan/Empaveli). The cited preclinical complement studies were supported by grants from the US National Institutes of Health ( AI068730 , AI030040 , DE015254, and DE021685 ), the European Commission ( FP7-DIREKT 602699 ). This work was funded in part by the intramural program of the National Institutes of Health . The figures were generated using Biorender.com .

FundersFunder number
National Institutes of HealthAI068730, DE021685, DE015254
National Institute of Allergy and Infectious DiseasesN01AI030040
European CommissionAPL-2/pegcetacoplan/Empaveli, 1MeW)7W/POT-4/APL-1, AMY-101, FP7-DIREKT 602699

    ASJC Scopus Subject Areas

    • Immunology and Allergy
    • Immunology

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