[NMusers] Coding delayed covariate effects

2012-02-23 Thread Elisabet Størset
Dear nonmemusers In my PK modeling project, a drug (elimination: 100 % hepatic metabolism) is given orally twice daily over a period of 10 weeks. 100 subjects contribute daily trough concentrations. During this period, covariates vary within subjects. Two covariates that are difficult to handle a

[NMusers] Trough concentrations and ADDL

2012-01-11 Thread Elisabet Størset
ed if the time before the dose is changed is several weeks. This could give errors. Is there a way NONMEM could understand that "the patient will use this dose at 12 hour intervall until a new dose record is stated"? Thank you in advance for helping! Kindly regards Elisabet Størset, new nonmemuser.

Re: [NMusers] Guidelines for a fresh modeller

2011-11-24 Thread Elisabet Størset
Thanks to everyone for your very kind answers! It will help me getting started. My experience with the modelling world so far is that interest in modelling correlates with being friendly and helpful. :) 2011/11/24 Carlos Hoyo > Dear Elisabeth, > > You can compare the fits for one compartment ver

[NMusers] Guidelines for a fresh modeller

2011-11-24 Thread Elisabet Størset
Dear NONMEMusers I am working with my very first pop-PK model with NONMEM and have no experience. I have read a lot of theory but lack experience of actually using nonmem. I see the OFV and estimates, but have trouble knowing how to interpret the results and the graphs, and how to improve the stru