The project aims at mechanistic PK/RO modeling to predict optimal dose and regimen of BGB-B2033, GPC3 x 4-1BB bispecific antibody

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October 29, 2025

InSysBio, one of the world's pioneers of Quantitative Systems Pharmacology (QSP) modeling, announces its collaboration with BeOne Medicines, a global oncology company.

Mechanistic PK/RO modeling will be leveraged to support the selection of the optimal recommended phase 2 dose by predicting the dynamics of the various complexes formed when the BGB-B2033 binds to its targets. BGB-B2033, a GPC3 x 4-1BB bispecific antibody, is currently in early clinical development by BeOne Medicines.

"This project represents a valuable opportunity to apply our cutting-edge modeling approach since determining the optimal dose for therapies expected to exhibit a bell-shaped dose-response relationship poses a significant challenge," said Oleg Demin Jr, Scientific Director, InSysBio. "InSysBio's QSP modeling expertise can help to address this issue. Namely, we have developed generic mechanistic PK/RO model for multispecific antibodies that accelerates project timelines and improves efficiency. Moreover, FDA's Project Optimus encourages the application of mechanistic modeling approaches such as QSP to guide the selection of optimal dose in oncology."

About InSysBio
InSysBio is a group of Quantitative Systems Pharmacology (QSP) companies located in Limassol, Cyprus (INSYSBIO CY Ltd) and Edinburgh, UK (INSYSBIO UK LIMITED). InSysBio was founded in 2004 and has an extensive track record of helping pharmaceutical companies to make right decisions on the critical stages of drug research and development by application of QSP modeling. InSysBio's cutting-edge QSP approach has already become a part of the drug development process implemented by our strategic partners: there are more than 100 completed projects in collaboration with leaders of pharmaceutical industry and innovative biotech companies. For more information about InSysBio, its solutions and services, visit www.insysbio.com

October 2018
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1. 01 Oct 2018 12:23 InSysBio Announces Continuation of Collaboration with MedImmune for Quantitative Systems Pharmacology Modeling in Systemic Lupus Erythematosus InSysBio, a pioneer in Quantitative Systems Pharmacology (QSP), modeling and simulation for drug development, announced today an extension of a collaboration with MedImmune, the global biologics research and development arm of AstraZeneca, for QSP modeling in systemic lupus erythematosus (SLE). The goal is to support the clinical development of anifrolumab, an investigational monoclonal antibody against the type I interferon receptor, by modeling the contributions of key cell types involved in the pathophysiology of lupus that are associated with the type I interferon dysregulation commonly seen with the disease.
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1. 02 Oct 2018 14:05 InSysBio to present at ACoP9 InSysBio announces their participation at Ninth American Conference on Pharmacometrics (ACoP9), to be held October 7th to 10th, 2018, at the Loews Coronado Bay Resort near San Diego, CA. The theme of ACoP9 is “Modeling without Bounds”. InSysBio welcomes visitors at the booth #23.
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1. 09 Oct 2018 15:29 InSysBio starts training course “Modeling for systems biology and biomedicine” InSysBio expert modelers Dr. Galina Lebedeva, Dr. Tatiana Karelina, Dr. Evgeny Metelkin and Dr. Oleg Demin will give the course “Modeling for systems biology and biomedicine” at the Faculty of bioengineering and bioinformatics, Lomonosov Moscow State University.
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1. 19 Oct 2018 15:49 InSysBio to present at BiotechClub 2018 InSysBio announces their participation at BiotechClub 2018 conference to be held on October 26th at Hyatt Regency Moscow Petrovsky Park. The theme of BiotechClub 2018 is “From Systems Biology to Systems Medicine”.
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1. 24 Oct 2018 13:49 InSysBio to present at ICSB 2018 InSysBio announces their participation at 19th International Conference on Systems Biology (ICSB 2018) to be held October 28th to November 1st, 2018 in Lyon, France.
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