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IQ Therapeutic Protein Drug-Drug Interaction White Paper

Schiller, Hilmar (2023) IQ Therapeutic Protein Drug-Drug Interaction White Paper. Clinical Pharmacology & Therapeutics. ISSN 0009-92361532-6535

Abstract

Typically, therapeutic proteins (TPs) do not elicit clinically meaningful drug interactions (DIs). However, there are select instances where TP drug interactions (TP-DIs) of clinical concern can occur. This white paper discusses the various types of TP-DIs involving mechanisms such as changes in disease state, target-mediated drug disposition (TMDD), FcRN, or anti-drug antibodies (ADAs). The nature of drug interaction being investigated should determine whether the study is conducted in healthy subjects, in patients, or assessed via population pharmacokinetic (PopPK) analysis. DIs involving antibody-drug conjugates are discussed briefly but the primary focus will be DIs involving cytokine modulation. Cytokine modulation can occur directly by certain TPs, or indirectly due to moderate-to-severe inflammation, infection, or injury. Disease states that have been shown to result in indirect disease-DIs that are clinically meaningful (i.e., typically a 2-fold change in the systemic exposure of a co-administered sensitive CYP substrate drug) have been listed. Type of disease and severity of inflammation should be the primary drivers for risk assessment for disease-DIs. While more clinical inflammatory marker data needs to be collected, the use of two or more clinical inflammatory markers (such as c-reactive protein, albumin, or interleukin-6) may help broadly categorize whether the predicted magnitude of inflammatory disease-drug interaction risk is negligible, weak, or moderate-to-strong. Based on current knowledge, clinical DI studies are not necessary for all TPs, and in particular, should no longer be conducted in psoriasis trials as psoriasis patients have insufficient systemic inflammation to cause a meaningful indirect disease-DI.

Item Type: Article
Date Deposited: 01 Feb 2023 00:45
Last Modified: 01 Feb 2023 00:46
URI: https://oak.novartis.com/id/eprint/47811

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