RE: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-30 Thread R.ter.Heine
: [NMusers] Autoinduction model - An increased clearance(day 1- 14) Dear Rob ter Heine, I am working with Efavirenz, I working with 66 patients, 924 data points, intense on day 1 and 14 and a trough con in between the two weeks. I looked into the Physiological model presented by Dr. Karlsson earlier

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Shankar Lanke
xnm.com [mailto:owner-nmus...@globomaxnm.com] > *On Behalf Of *Shankar Lanke > *Sent:* Monday, March 28, 2011 4:51 PM > *To:* r.ter.he...@meandermc.nl > *Cc:* nmusers@globomaxnm.com > *Subject:* Re: [NMusers] Autoinduction model - An increased clearance(day > 1- 14) > > > > Dea

RE: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread mats karlsson
ermc.nl Cc: nmusers@globomaxnm.com Subject: Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14) Dear Rob ter Heine, I am working with Efavirenz, I working with 66 patients, 924 data points, intense on day 1 and 14 and a trough con in between the two weeks. I looke

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Shankar Lanke
Dear Toufigh, Thank you very much for your email, there is wealth of information you have provided me, I will look carefully into your suggestions and I will my model soon. Once again I appreciate your input. On Mon, Mar 28, 2011 at 12:51 PM, Toufigh Gordi wrote: > Hi Shankar, > > We published

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Ekaterina Gibiansky
Uppsala University BMC, Box 591, 751 24 Uppsala Sweden   From: owner-nmus...@globomaxnm.com [mailto:owner-nmus...@globomaxnm.com] On Behalf Of Shankar Lanke Sent: den 28 mars 2011 15:53 To: nmusers@globomaxnm.com Subject: [NMusers] Autoinduction model - An increased clearance(

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Toufigh Gordi
Hi Shankar, We published an autoinduction model a few years back (Gordi et al., Br J Clin Pharmacol. 2005;59(2):189-98). The original paper was based on saliva samples but the model worked well using plasma data (Asimus and Gordi, Br J Clin Pharmacol. 2007;63(6):758-62). We also used it to desc

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Shankar Lanke
> *Clinical Pharmacology, Primary Care* > > *(484-865-8741 / 610-265-5372)* > > alice.nich...@pfizer.com > -- > > *From:* owner-nmus...@globomaxnm.com [mailto:owner-nmus...@globomaxnm.com] > *On Behalf Of *Shankar Lanke > *Sent:* Monday, March

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Shankar Lanke
Dear Philips, Thank you very much for your input, I am re-parameterizing the model now. I will run this model and update you soon. Regards, On Mon, Mar 28, 2011 at 10:48 AM, Luann Phillips < luann.phill...@cognigencorp.com> wrote: > Shankar, > > A couple of thoughts that may help. > > (1) If t

RE: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Ulrika Simonsson
Dear Shankar, I would guess that it is the term (t-tlag) which is negative in your code as long as tmailto:owner-nmus...@globomaxnm.com] On Behalf Of Shankar Lanke Sent: den 28 mars 2011 15:53 To: nmusers@globomaxnm.com Subject: [NMusers] Autoinduction model - An increased clearance(day 1- 14

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Shankar Lanke
2011 15:53 > *Aan:* nmusers@globomaxnm.com > *Onderwerp:* [NMusers] Autoinduction model - An increased clearance(day 1- > 14) > > Dear All, > > I am working on a Pop PK data where the patients are treated with HIV drug. > An autoinduction is involved with prolonged administration of the

Re: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Luann Phillips
Shankar, A couple of thoughts that may help. (1) If the model is terminating with a note that states something along the lines of 'Infinite value of objective function', this indicates that the estimated value of TLAG for an individual is occurring at the time of a sample. Potential solutio

RE: [NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread R.ter.Heine
Onderwerp: [NMusers] Autoinduction model - An increased clearance(day 1- 14) Dear All, I am working on a Pop PK data where the patients are treated with HIV drug. An autoinduction is involved with prolonged administration of the drug. An increased CL is expected from day 1 to day 14. We have

[NMusers] Autoinduction model - An increased clearance(day 1- 14)

2011-03-28 Thread Shankar Lanke
Dear All, I am working on a Pop PK data where the patients are treated with HIV drug. An autoinduction is involved with prolonged administration of the drug. An increased CL is expected from day 1 to day 14. We have intense data on day 1 and day 14 with sparse data between. Since a lag period is i