Hello

This is a code + data example for an IV infusion, 
PARENT = 1 = cpt1
METAB = 2 = cpt2

Regards

Saik

Saïk URIEN, MD, PhD
Directeur de Recherche, INSERM
Service de Pharmacologie
Centre René Huguenin
35 rue Dailly
F92210 St Cloud
Tel. 01 4711 1684
Fax 01 4711 1617
email : [EMAIL PROTECTED]





$PROB  R IV INFUS
$INPUT ID TIME AMT RATE DV CMT MDV 
$DATA  DATA125.csv

$SUBROUTINE ADVAN6 TOL=3
$MODEL
COMP=(PARENT)
COMP=(METAB)

$PK
   V1=THETA(1)*EXP(ETA(1))
   CL=THETA(2)*EXP(ETA(2))
   P12=THETA(3)*EXP(ETA(3)) 
   K20=THETA(4)*EXP(ETA(4)) 
   S1=V
   KEL  =CL/V
   K12  =P12*KEL
   K10  =KEL - K12 
   V2   = 1

$DES
   DADT(1) = -(K10+K12)*A(1) 
   DADT(2) = K12*A(1) - K20*A(2) 

$ERROR
   C1=A(1)/V1
   C2=A(2)/V2
   IPRED = C1
   IF (CMT.EQ.2) IPRED=C2
   Y=C1*(1+EPS(1))+EPS(2)
   IF (CMT.EQ.2) Y=C2*(1+EPS(3))+EPS(4)

$THETA  (0,5);V
$THETA  (0,10);CL
$THETA  (0,.005,1);f12
$THETA  (0,.01);K20
$OMEGA 0.4;oV
$OMEGA 0.4;oCL
$OMEGA 0.1;of12
$OMEGA 0.1;oK20
$SIGMA .4;sPp
$SIGMA 1;sPa
$SIGMA .4;sMp
$SIGMA .1;sMa

$EST METHOD=1 INTERACTION MAXEVAL=4500  PRINT=10 POSTHOC
$COV
$TABLE ID TIME CMT NOPRINT FILE=r

DATA CORRESPONDING TO THE CODE ABOVE
#ID     TIME    AMT     RATE    DV      CMT     MDV
1101    0       433.36  216.68  0       1       1
1101    1       0       0       11.84   1       0
1101    1       0       0       0.44    2       0
1101    2       0       0       41.17   1       0
1101    2       0       0       1.05    2       0
1101    2.08    0       0       21.08   1       0
1101    2.08    0       0       0.91    2       0
1101    2.25    0       0       11.78   1       0
1101    2.25    0       0       0.82    2       0
1101    2.5     0       0       6.38    1       0
1101    2.5     0       0       0.6     2       0
1101    3       0       0       1.48    1       0
1101    3       0       0       0.26    2       0
1101    4       0       0       0.17    1       0
1101    4       0       0       0.06    2       0
1101    6       0       0       0.02    1       0
1102    0       1132.65 566.32  0       1       1
1102    1       0       0       33.49   1       0
1102    1       0       0       1.17    2       0
1102    2       0       0       38.02   1       0
1102    2       0       0       1.65    2       0
1102    2.08    0       0       45.7    1       0
1102    2.08    0       0       1.77    2       0
1102    2.25    0       0       46.49   1       0
1102    2.25    0       0       3.22    2       0
1102    2.5     0       0       40.18   1       0
1102    2.5     0       0       1.82    2       0
1102    3       0       0       13.41   1       0
1102    3       0       0       1.22    2       0
1102    4       0       0       2.7     1       0
1102    4       0       0       0.46    2       0
1102    6       0       0       0.12    1       0
1102    6       0       0       0.09    2       0



-----Message d'origine-----
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] la part de Vijay V. Upreti
Envoyé : lundi 12 février 2007 19:20
À : [email protected]
Objet : [NMusers] Simultaneous drug and metabolite POPPK


Dear NMusers,

I have plasma concentration versus time data for a drug and its active 
metabolite. I would like to simulataneously fit this drug and its metabolite 
using NONMEM to obtain estimates of prameters and associated variability for 
both drug and its active metabolite. I am sure guys have done this nicely in 
past. I was wondering if someone can share a control stream and sample data 
for my guidance.
 


Thanks

_______________ 
Vijay V Upreti
PhD Candidate
Pharmacokinetics-Biopharmaceutics Laboratory 
Dept. of Pharmaceutical Sciences
University of Maryland, School of Pharmacy 
Rm S509, 20 Penn St., Baltimore, MD 21201 
Voice: 410.706.7388; Fax: 410.706.5017
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