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Nonmem version

Manufactured by ICON Development Solutions
Sourced in United States

NONMEM is a software package for nonlinear mixed-effects modeling. It is used for analyzing pharmacokinetic and pharmacodynamic data.

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5 protocols using nonmem version

1

Population Pharmacokinetic Modeling of Paromomycin

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To allow for analysis of sparse and heterogeneous data, a population approach was applied for pharmacokinetic modelling of paromomycin plasma concentrations. The population pharmacokinetic model was developed using a nonlinear mixed-effects modelling approach (NONMEM, version 7.3; ICON Development Solutions, Ellicott City, MD, USA) using the first-order conditional estimation method with interaction (FOCE-I) and ADVAN13. Tools used to evaluate the model and visualize the data and model output were R (version 3.6.2), RStudio (version 1.2.5033; Boston, MA, USA), PsN (version 4.7.0), and the graphical interface Pirana (version 2.9.9). Model development and evaluation was performed in three steps: (1) selection of a structural and stochastic model; (2) selection of the covariate model; (3) internal model evaluation.
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2

Pharmacokinetic Modeling with NONMEM and R

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Software packages NONMEM version 7.3 (ICON Development Solutions) was used for this analysis, where first‐order conditional estimation method was used as default.22 To support the analysis, Perl‐speaks‐NONMEM version 4.7.923 and R software (versions 3.2.2, 3.4.1, and 3.6.1)24 were used. The diagnostic assessment was performed using Xpose4.17, 18
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3

Population PK Modeling of GUMDROPS Clinical Trial

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Population PK model development was performed in NONMEM version 7.3.0 (ICON Development Solutions, Ellicott City, MD). Clinical trial data of GUMDROPS was collected in Castor EDC (version 2021.6.2, Castor Electronic Data Capture; Ciwit BV, Amsterdam, The Netherlands). Analysis of the PET images and kinetic modeling was performed using PMOD (version 4.105, PMOD Technologies LLC, Zürich, Switzerland). All data preparation, statistical analysis, and graphical presentation was performed in R version .3.6.3.14
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4

Nonlinear Mixed-Effects Pharmacokinetic Modeling

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PopPK analysis was performed using nonlinear mixed-effects modeling software (NONMEM®, version 7.4; ICON Development Solutions, Ellicott City, MD, United States) compiled with gfortran 4.6.0 and interfaced with Perl-speaks-NONMEM (version 4.7.0; uupharmacometrics.github.io/PsN). The NONMEM output was analyzed using R software (version 3.5.1; www.r-project.org). First-order conditional estimation methodology with interaction between interpatient and residual variability was employed for model development.
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5

Pharmacokinetics and Safety of Darolutamide

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Patient demographics, comorbidities, and concomitant medications were summarized descriptively for all randomized patients, i.e., the full analysis set. Comedications were categorized according to potential for relevant DDIs (CYP inducers/inhibitors/substrates, UGT substrates, and drug transporter substrates) based on in vitro and phase I clinical studies of darolutamide [21 (link)] and established DDI profiles for the currently available androgen-receptor inhibitors, enzalutamide and apalutamide [11 –14 ].
Pharmacokinetic model development was conducted via nonlinear mixed-effects modelling using NONMEM (version 7.3, ICON Development Solutions plc, Manchester, UK) and R software [22 ]. Full details of the population pharmacokinetic analysis are given in the ESM—Methods.
Safety evaluations were conducted in all patients who were randomized and received at least one dose of study medication.
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