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[Population Pharmacokinetics] Alternative Dosing Regimens of Tislelizumab Using a Pharmacometrics Model-Based Approach.

2025-03-31

Tislelizumab 200?mg once every 3?weeks (Q3W) is approved for the treatment of multiple cancers. We used a model-based approach to propose three alternative dosing regimens, 150?mg Q2W, 300?mg Q4W, and 400?mg Q6W, with the aims of providing flexible treatment regimens compatible with background chemotherapy and/or reducing infusion visits. A previously developed population pharmacokinetic model was used to simulate pharmacokinetic exposure of the alternative regimens. Regulatory guidance on alternative dosing was used to define pharmacokinetics-based criteria. Alternative doses were selected by......

[Population Pharmacokinetics] Single- and multiple-dose pharmacokinetics and safety of the SARS-CoV-2 3CL protease inhibitor RAY1216: a phase 1 study in healthy participants

2025-01-31

Abstract
Coronavirus disease 2019, which leads to pneumonia, is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). RAY1216 is a 3C-like protease inhibitor that targets SARS-CoV-2. The aim of our study was to assess the pharmacokinetics (PK) and safety of RAY1216 in healthy volunteers. This was a randomized, placebo-controlled, double-blind study consisting of four components: a single ascending dose study, a drug-drug interaction study, a multiple ascending dose study, and a food-effect study. All participants were randomly assigned to receive either a single dose or mult......

[Population Pharmacokinetics] Alternative dosing regimens of tislelizumab proposed using modeling and simulation.

2025-01-27

Abstract
394
Background: Tislelizumab (TIS; BGB-A317) is approved for the treatment of multiple solid tumors, administered at 200 mg every 3 weeks (Q3W), and has demonstrated a flat exposure–response relationship across a wide range of doses. We evaluated alternative dosing regimens of TIS at 150 mg every 2 weeks (Q2W), 300 mg every 4 weeks (Q4W), and 400 mg every 6 weeks (Q6W) using a model-based approach with the aim of alleviating patient burden by providing longer dosing intervals and/or treatment flexibility compatible with background chemotherapy to meet the needs of patients and healt......

[Population Pharmacokinetics] Population pharmacokinetic modeling and exposure-response analysis of anrikefon: insights and implications in clinical analgesia

2025-01-23

Abstract
Background: Anrikefon (HSK21542), a potent and selective peripheral kappa opioid receptor (KOR) agonist developed by Haisco, effectively blocks pain and itch signals.

Aim: To develop a population pharmacokinetic (PK) model for anrikefon and conduct exposure-response (E-R) analysis for safety and efficacy in postoperative pain patients.

Method: The Population PK analysis uses NONMEM software with data from six trials. E-R relationships were assessed using safety and efficacy data from three trials. Covariate screening and Bayesian post-hoc simulations identified relevant factors......

[Population Pharmacokinetics] Comprehensive population pharmacokinetic modelling of sugemalimab, an anti-programmed death-ligand 1 (PD-L1) human monoclonal antibody, in patients with solid tumours or lymphomas across multiple Phase I-III studies

2024-10-10

Abstract
Aims: The aim of this study was to develop a population pharmacokinetics model for sugemalimab, a monoclonal antibody that targets programmed death-ligand 1 (PD-L1), using data from Phase I-III trials and to assess clinical factors affecting sugemalimab exposure.

Methods: A nonlinear mixed-effect modelling approach was employed to analyse pooled data from nine studies involving 1628 subjects to characterize the PopPK of sugemalimab. This investigation examined the influence of various covariates on sugemalimab pharmacokinetics (PK), encompassing demographics, baseline hepatic and ......