Chow, Michael YT; Pan, Harry W; Seow, Han Cong; Lam, Jenny KW; (2022) Inhalable neutralizing antibodies – promising approach to combating respiratory viral infections. Trends in Pharmacological Sciences 10.1016/j.tips.2022.11.006. (In press).

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Abstract

Monoclonal antibodies represent an exciting class of therapeutics against respiratory viral infections. Notwithstanding their specificity and affinity, the conventional parenteral administration is suboptimal in delivering antibodies for neutralizing activity in the airways due to the poor distribution of macromolecules to the respiratory tract. Inhaled therapy is a promising approach to overcome this hurdle in a noninvasive manner, while advances in antibody engineering have led to the development of unique antibody formats which exhibit properties desirable for inhalation. In this Opinion, we examine the major challenges surrounding the development of inhaled antibodies, identify knowledge gaps that need to be addressed and provide strategies from a drug delivery perspective to enhance the efficacy and safety of neutralizing antibodies against respiratory viral infections.

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