3-sites absorption model

1 messages 1 people Latest: Apr 27, 2009

3-sites absorption model

From: Pierre-Olivier Tremblay Date: April 27, 2009 technical
Dear NMusers, I have a technical question, I wish to implement a linear 3 absorption sites model in NONMEM. However, I'm not very familiar with the ADVAN5 to 9 subroutines (or should it even be coded using those?). Below is an exerpt of the model in WinNonlin code, I was wondering if someone could point me in the right direction with this or would have a reference for a similar model. TEMPORARY DOSE=250000 END START Z(1) = 0 Z(2) = 0 END DIFFERENTIAL FR1=1-(FR2+FR3) FR2=1-(FR1+FR3) FR3=1-(FR1+FR2) INPT1 = DOSE*FR1*KA1*EXP(-KA1*X) IF X LE TLAG1 THEN INPT2 = 0 ELSE INPT2 = DOSE*(1-FR1)*KA2*EXP(-KA2*(X-TLAG1)) ENDIF IF X LE TLAG2 THEN INPT3 = 0 ELSE INPT3 = DOSE*FR3*KA3*EXP(-KA3*(X-TLAG2)) ENDIF DZ(1) = (INPT1 + INPT2 + INPT3)/V - (KEL+K12)*Z(1)+K21*Z(2) DZ(2) = K12*Z(1)-K21*Z(2) END FUNCTION 1 F= Z(1) END Many thanks in advance for your help ! Pierre-Olivier Tremblay ----------------------------------------- Ce courriel et toutes ses pièces jointes sont confidentiels et ne peuvent être utilisés que par le destinataire ou l'organisation à qui ils sont adressés. Si vous n'êtes pas le destinataire visé, veuillez en informer l'expéditeur et supprimez immédiatement le courriel. Ce message confirme également que ce courriel et ses pièces jointes ont été inspectés par notre logiciel d'antivirus pour votre sécurité. ----------------------------------------- This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender and delete it immediately. This footnote also confirms that this e-mail message and its attached file(s) have been swept for your security by our antivirus software using the latest virus signatures. Anapharm Par Proofpoint