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Willemin ME, Wang Lin SX, De Zwart L, Wu LS, Miao X, Verona R, Banerjee A, Liu B, Kobos R, Qi M, Ouellet D, Goldberg JD, Girgis S. Evaluating drug interaction potential from cytokine release syndrome using a physiologically based pharmacokinetic model: A case study of teclistamab. CPT Pharmacometrics Syst Pharmacol 2024. [PMID: 38831634 DOI: 10.1002/psp4.13144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 06/05/2024] Open
Abstract
Cytokine release syndrome (CRS) was associated with teclistamab treatment in the phase I/II MajesTEC-1 study. Cytokines, especially interleukin (IL)-6, are known suppressors of cytochrome P450 (CYP) enzymes' activity. A physiologically based pharmacokinetic model evaluated the impact of IL-6 serum levels on exposure of substrates of various CYP enzymes (1A2, 2C9, 2C19, 3A4, 3A5). Two IL-6 kinetics profiles were assessed, the mean IL-6 profile with a maximum concentration (Cmax) of IL-6 (21 pg/mL) and the IL-6 profile of the patient presenting the highest IL-6 Cmax (288 pg/mL) among patients receiving the recommended phase II dose of teclistamab in MajesTEC-1. For the mean IL-6 kinetics profile, teclistamab was predicted to result in a limited change in exposure of CYP substrates (area under the curve [AUC] mean ratio 0.87-1.20). For the maximum IL-6 kinetics profile, the impact on omeprazole, simvastatin, midazolam, and cyclosporine exposure was weak to moderate (mean AUC ratios 1.90-2.23), and minimal for caffeine and s-warfarin (mean AUC ratios 0.82-1.25). Maximum change in exposure for these substrates occurred 3-4 days after step-up dosing in cycle 1. These results suggest that after cycle 1, drug interaction from IL-6 effect has no meaningful impact on CYP activities, with minimal or moderate impact on CYP substrates. The highest risk of drug interaction is expected to occur during step-up dosing up to 7 days after the first treatment dose (1.5 mg/kg subcutaneously) and during and after CRS.
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Affiliation(s)
| | | | | | - Liviawati S Wu
- Janssen Research & Development, South San Francisco, California, USA
| | - Xin Miao
- Janssen Research & Development, Spring House, Pennsylvania, USA
| | - Raluca Verona
- Janssen Research & Development, Spring House, Pennsylvania, USA
| | - Arnob Banerjee
- Janssen Research & Development, Spring House, Pennsylvania, USA
| | - Baolian Liu
- Janssen Research & Development, Raritan, New Jersey, USA
| | - Rachel Kobos
- Janssen Research & Development, Raritan, New Jersey, USA
| | - Ming Qi
- Janssen Research & Development, Raritan, New Jersey, USA
| | - Daniele Ouellet
- Janssen Research & Development, Spring House, Pennsylvania, USA
| | | | - Suzette Girgis
- Janssen Research & Development, Spring House, Pennsylvania, USA
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Chen Y, Ma F, Jones N, Deng R, Li C, Li C. Assessment of CYP3A-mediated drug interaction via cytokine (IL-6) elevation for mosunetuzumab using physiologically-based pharmacokinetic modeling. CPT Pharmacometrics Syst Pharmacol 2024; 13:234-246. [PMID: 38050329 PMCID: PMC10864933 DOI: 10.1002/psp4.13073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/06/2023] [Accepted: 10/19/2023] [Indexed: 12/06/2023] Open
Abstract
Mosunetuzumab is a CD3/CD20 bispecific antibody. As an on-target effect, transient elevation of interleukin-6 (IL-6) occurs in early treatment cycles. A physiologically-based pharmacokinetic (PBPK) model was developed to assess potential drug interaction caused by IL-6 enzyme suppression on cytochrome P450 3A (CYP3A) during mosunetuzumab treatment. The model's performance in predicting IL-6 CYP3A suppression and subsequent drug-drug interactions (DDIs) was verified using existing clinical data of DDIs caused by chronic and transient IL-6 elevation. Sensitivity analyses were performed for a complete DDI risk assessment. The IL-6 concentration- and time-dependent CYP3A suppression during mosunetuzumab treatment was simulated using PBPK model with incorporation of in vitro IL-6 inhibition data. At clinically approved doses/regimens, the DDI at maximum CYP3A suppression was predicted to be a midazolam maximum drug concentration in plasma (Cmax ) and area under the plasma drug concentration-time curve (AUC) ratio of 1.17 and 1.37, respectively. At the 95th percentile of IL-6 concentration level or when gut CYP3A suppression was considered, the predicted DDI risk for mosunetuzumab remained low (<2-fold). The PBPK-based DDI predictions informed the mosunetuzumab product label to monitor, in early cycles, the concentrations and toxicities for sensitive CYP3A substrates with narrow therapeutic windows.
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Affiliation(s)
- Yuan Chen
- Drug Metabolism and PharmacokineticsGenentech, Inc.South San FranciscoCaliforniaUSA
| | - Fang Ma
- Drug Metabolism and PharmacokineticsGenentech, Inc.South San FranciscoCaliforniaUSA
| | - Nicholas Jones
- Clinical ScienceGenentech, Inc.South San FranciscoCaliforniaUSA
| | - Rong Deng
- Clinical PharmacologyGenentech, Inc.South San FranciscoCaliforniaUSA
| | - Chunze Li
- Clinical PharmacologyGenentech, Inc.South San FranciscoCaliforniaUSA
| | - Chi‐Chung Li
- Clinical PharmacologyGenentech, Inc.South San FranciscoCaliforniaUSA
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Pouzin C, Teutonico D, Fagniez N, Ziti-Ljajic S, Perreard-Dumaine A, Pardon M, Klieber S, Nguyen L. Prediction of CYP Down Regulation after Tusamitamab Ravtansine Administration (a DM4-Conjugate), Based on an In Vitro-In Vivo Extrapolation Approach. Clin Pharmacol Ther 2024; 115:278-287. [PMID: 37964462 DOI: 10.1002/cpt.3102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 10/31/2023] [Indexed: 11/16/2023]
Abstract
Tusamitamab ravtansine is an antibody-drug conjugate (ADC) composed of a humanized monoclonal antibody (IgG1) and DM4 payload. Even if DM4 and its main metabolite methyl-DM4 (Me-DM4) circulate at low concentrations after ADC administration, their potential as perpetrators of cytochrome P450 mediated drug-drug interaction was assessed. In vitro studies in human hepatocytes indicated that Me-DM4 elicited a clear concentration-dependent down regulation of cytochrome P450 enzymes (CYP3A4, 1A2, and 2B6). Because DM4 was unstable under the incubation conditions studied, the in vitro constants could not be determined for this entity. Thus, to predict the clinical relevance of this observed downregulation, an in vitro-in vivo extrapolation (IVIVE) pharmacokinetic (PK) based approach was developed. To mitigate model prediction errors and because of their similar inhibitory effect on tubulin polymerization, the same downregulation constants were used for DM4 and Me-DM4. This approach describes the time course of decreasing CYP3A4, 1A2, and 2B6 enzyme amounts as a function of circulating concentrations of DM4 and Me-DM4 predicted from a population PK model. The developed IVIVE-PK model showed that the highest CYP abundance decrease was observed for CYP3A4, with a transient reduction of < 10% from baseline. The impact on midazolam exposure, as probe substrate of CYP3A, was then simulated based on a physiologically-based PK static method. The maximal CYP3A4 abundance reduction was associated with a predicted midazolam area under the curve (AUC) ratio of 1.14. To conclude, the observed in vitro downregulation of CYPs by Me-DM4 is not expected to have relevant clinical impact.
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Affiliation(s)
- Clemence Pouzin
- Sanofi R&D, Pharmacokinetics Dynamics and Metabolism Department, Paris, France
| | - Donato Teutonico
- Sanofi R&D, Pharmacokinetics Dynamics and Metabolism Department, Paris, France
| | - Nathalie Fagniez
- Sanofi R&D, Pharmacokinetics Dynamics and Metabolism Department, Paris, France
| | - Samira Ziti-Ljajic
- Sanofi R&D, Pharmacokinetics Dynamics and Metabolism Department, Paris, France
| | | | | | - Sylvie Klieber
- Sanofi R&D, In vitro ADME, Drug Metabolism and Pharmacokinetics, Paris, France
| | - Laurent Nguyen
- Sanofi R&D, Pharmacokinetics Dynamics and Metabolism Department, Paris, France
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