Re: New Pharmacometrics & Systems Pharmacology Journal, Invitation for Applications: Editor-in-Chief

From: Yuhong Chen Date: February 13, 2012 technical Source: cognigen.com
Dear nmusers, I have a compound with nonlinear CL. I tried to run the nonlinear model but got error message as following, could someone point out what could be the error in my control file or my data? Best regards, Yuhong 0PROGRAM TERMINATED BY OBJ ERROR IN CELS WITH INDIVIDUAL 1 ID= 1.00000000000000E+00 SUM OF "SQUARED" WEIGHTED INDIVIDUAL RESIDUALS IS INFINITE MESSAGE ISSUED FROM ESTIMATION STEP AT INITIAL OBJ. FUNCTION EVALUATION My control file is $INPUT ID STUD STYP DOSE AMT EVID MDV TIME DV HEIG WT BMI AGE SEX RACE $DATA ../data/M_PK.NM.csv IGNORE=# $SUBROUTINE ADVAN6 TRANS1 TOL=3 $MODEL NCOMP=3 COMP=(DEPOT DEFDOSE) COMP=(CENT DEFOBS) COMP=(PERIPH) $PK ALAG1 = THETA(1) KA = THETA(2) V2 = THETA(3) Q = THETA(4) V3 = THETA(5) TVM = THETA(6) KM = THETA(7) ;#################################################################### ; Define IIV parameters ;ZLAG = ETA(1) ;ZKA = ETA(2) ;ZV2 = ETA(3) ;ZQ3 = ETA(4) ;ZV3 = ETA(5) ZVM = ETA(1) ;ZKM = ETA(3) ;######################################################################## ; NONMEM PK Parameter Definitions VM = TVM*EXP(ZVM) ;KM = TKM*EXP(ZKM) ;V2 = TV2*EXP(ZV2) ;Q = TQ3*EXP(ZQ3) ;V3 = TV3*EXP(ZV3) ;KA = TKA*EXP(ZKA) ;ALAG1 = TLAG*EXP(ZLAG) S2 = V2/1000 ;########################################################################### $DES ; PK Model CP = A(2)/S2 DADT(1) = - KA*A(1) DADT(2) = KA*A(1) - Q/V2*A(2) + Q/V3*A(3) - CP*VM/(KM+CP) DADT(3) = Q/V2*A(2) - Q/V3*A(3) ;########################################################################### $ERROR Y = F + F*EPS(1)+EPS(2) IPRE = F ;########################################################################## ; SECONDARY PARAMETERS ;########################################################################## $THETA (0,1) ; ALAG1 [hr] (0,4) ; KA [1/hr] (0,4) ; V2 [L] (0,0.1) ; Q3 [L/hr] (0,10) ; V3 [L] (0,100) ; VM [ng/mL/hr] (0,10) ; KM [ng/mL] $OMEGA ;0.5 ; ZLAG ;0 FIX ; ZKA ;0 FIX ; ZV2 ;0 FIX ; ZQ3 ;0 FIX ; ZV3 0.5 ; ZVM ;0.5 ; ZKM $SIGMA 0.02 ; Proportional 0 FIX ; Additive [ug/mL] $EST PRINT=20 MAXEVAL=9999 POSTHOC NOABORT METHOD=1 POSTHOC INTER MSF=MSFO.msf $COV MATRIX=S PRINT=E $TABLE ID TIME IPRE EVID MDV AMT DV ALAG1 VM KM V2 V3 Q KA ZVM STUD DOSE AGE WT BMI SEX RACE NOPRINT ONEHEADER FILE=nmout.tab