Document Detail


Mathematical analysis and simulations involving chemotherapy and surgery on large human tumours under a suitable cell-kill functional response.
MedLine Citation:
PMID:  23311370     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Dosage and frequency of treatment schedules are important for successful chemotherapy. However, in this work we argue that cell-kill response and tumoral growth should not be seen as separate and therefore are essential in a mathematical cancer model. This paper presents a mathematical model for sequencing of cancer chemotherapy and surgery. Our purpose is to investigate treatments for large human tumours considering a suitable cell-kill dynamics. We use some biological and pharmacological data in a numerical approach, where drug administration occurs in cycles (periodic infusion) and surgery is performed instantaneously. Moreover, we also present an analysis of stability for a chemotherapeutic model with continuous drug administration. According to Norton and Simon [22], our results indicate that chemotherapy is less efficient in treating tumours that have reached a plateau level of growing and that a combination with surgical treatment can provide better outcomes.
Authors:
Diego Samuel Rodrigues; Paulo Fernando de Arruda Mancera
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Mathematical biosciences and engineering : MBE     Volume:  10     ISSN:  1551-0018     ISO Abbreviation:  Math Biosci Eng     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-01-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101197794     Medline TA:  Math Biosci Eng     Country:  United States    
Other Details:
Languages:  eng     Pagination:  221-34     Citation Subset:  IM    
Affiliation:
Universidade de Sao Paulo, Depto de Matematica Aplicada e Estatistica, ICMC, USP, 13560-970, Sao Carlos, Brazil. diegosarodrigues@gmail.com.
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