Alflutinib (AST2818) is a third-generation epidermal growth factor receptor (EGFR) inhibitor that inhibits both EGFR-sensitive mutations and T790M mutations.
Liver toxicity of anthraquinones: A combined in vitro cytotoxicity and in silico reverse dosimetry evaluation
Anthraquinones are found in a variety of consumer products such as dietary supplements, traditional Chinese medicines, and drugs.
(Q)SAR tools for the prediction of mutagenic properties: Are they ready for application in pesticide regulation?
The assessment of human health risks resulting from the presence of metabolites in groundwater and food residues has become an important element...
Feature of the week #83: Several ways to handle the baseline of PD models
The baseline of PD models can be estimated as a model parameter, fixed to the observed value or a mixture of both.
Simulations Plus Offers Rapid Response COVID-19 Research Initiative
New StrategiesPlus™ program created for collaborative research acceleration
Physiologically Based Biopharmaceutics Modeling and Virtual Bioequivalence Assessment to Support Formulation Development
Mechanistic Absorption and PK modeling using GastroPlus®
In vitro evaluation of reactive nature of E- and Z-guggulsterones and their metabolites in human liver microsomes using UHPLC-Orbitrap mass spectrometer
Guggulipid is known to be useful for hypercholesterolemia, arthritis, acne, and obesity.
Forced degradation studies of norepinephrine and epinephrine from dental anesthetics: Development of stability‐indicating HPLC method and in silico toxicity evaluation
Injectable solutions containing epinephrine (EPI) and norepinephrine (NE) are not stable, and their degradation is...
Feature of the week #82: Kaplan-Meier estimator
Have you ever wondered how the survival function is estimated from time-to-event data?
Sandra Suarez-Sharp Joins Simulations Plus to Lead Regulatory Strategies Team
Simulations Plus today announced the addition of Sandra Suarez-Sharp as Vice President, Regulatory Affairs to lead the new Regulatory Strategies team.
20-year FDA Master Reviewer will advise the planning of drug development programs with sponsor companies
Generalized PBPK Model for Evaluation of Inhalation Exposure of Volatile Organic Compounds
Physiologically based pharmacokinetic modeling (PBPK) is a valuable tool to evaluate inhalation exposure of volatile organic compounds (VOCs).
Quantitative Systems Toxicology (DILIsym) Modeling of the Acetaminophen Cellular Pathways for Liver Toxicity Supports that Acetaminophen is Not a Carcinogenic Hazard in Humans
Acetaminophen has a long history of safe use at therapeutic doses, but can cause liver injury at very high doses.
Synergy Between Two Mechanisms of Action Contributes to Species Differences in the Liver Safety Profile for PF-04895162
PF-04895162 (ICA-105665), a drug in development for the treatment of epilepsy, was terminated after transaminase elevations (up to grade...
Quantitative Systems Toxicology Modeling of Cisplatin Nephrotoxicity Using in vitro Assays of Proximal Tubule Epithelial Cells for Mechanistic Toxicity Pathways
Cisplatin-induced nephrotoxicity results in acute kidney injury (AKI) and is caused by various cellular mechanisms, including...
Using in silico-in vitro to in vivo Extrapolation (IS-IVIVE) to Predict the Oral Dose Required to Activate the Aryl Hydrocarbon Receptor (AhR)
Activation of AhR can have toxic effects on mammalian hosts
Putting deep learning in perspective for pest management scientists
‘Deep learning’ is causing rapid technological changes in many fields of science, and conjectures about its potential for...
Feature of the week #81: Efficient alternative implementation for common equations including delays
Delayed differential equations (DDEs) can be implemented in Mlxtran language using the "delay" function.
In vitro – In vivo correlation in the development of oral drug formulation: A screenshot of the last two decades
In vitro – in vivo correlation (IVIVC) allows prediction of the in vivo performance of a pharmaceutical product based on its in vitro...
Ensemble modeling highlights importance of understanding parasite-host behavior in preclinical antimalarial drug development
Emerging drug resistance and high-attrition rates in early and late stage drug development necessitate accelerated development of antimalarial compounds.
March 2020 GastroPlus Newsletter
Since last month’s newsletter, the world has become Coronavirus conscious.