SHPCP February 2024 Lunch & Learn

Date/Time
Date(s) - February 29, 2024
11:30 am - 1:00 pm

Location
Texas Advanced Computing Center (TACC) @ UT Austin

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Society of HPC Professionals lunch and learn event, including tour of TACC supercomputing facility!

 

Optimal Therapeutic Strategies for HER2+ Breast Cancer Treatment: A Mathematical Modeling Approach

Ernesto Lima, Ph.D. – Research Associate, Center for Computational Oncology at the Oden Institute for Computational Engineering and Sciences at The University of Texas at Austin

29 February 2024
11:30am- Noon CDT — Networking
Noon – 1:00pm CDT — Presentation (+ online option)
1:00- 2:00pm CDT — TACC Tour

Texas Advanced Computing Center (TACC) + Online option
10505 Exploration Way
Austin, TX 78758

 

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About the Event

The treatment of human epidermal growth factor receptor 2 positive (HER2+) breast cancer often involves a combination of drugs targeting the HER2 receptor and chemotherapy. Determining the optimal therapeutic regimen that maximizes tumor control while minimizing toxicity remains a challenge. In this study, we utilized data from a murine model of HER2+ breast cancer, quantifying temporal changes in tumor volume under various trastuzumab and doxorubicin treatment protocols.

Employing a Bayesian framework, we developed, calibrated, and selected ten mathematical models characterizing the dynamic relationship between tumor volume and drug availability, as well as drug-drug interactions. Optimal control theory was then applied to identify two optimal treatment protocols. The first protocol, using the same experimental doses for both drugs, predicted an additional 45% reduction in tumor burden compared to the experimental regimen. The second protocol, utilizing the same trastuzumab dose, achieved equivalent tumor control with only 43% of the doxorubicin dose.

Our results highlight the effectiveness of mathematical modeling and optimal control theory in identifying therapeutic regimens that enhance efficacy and minimize toxicity in HER2+ breast cancer treatment.

About the Speaker

Ernesto Lima, Ph.D.
Research Associate, Center for Computational Oncology at the Oden Institute for Computational Engineering and Sciences at The University of Texas at Austin

Ernesto Lima received his Doctor of Science in Computational Modeling from the National Laboratory for Scientific Computing (LNCC) in Brazil in 2014. During his doctoral studies, he was a visitor at the University of Texas at Austin. This experience inspired him to return to the University of Texas, where he is currently a Research Associate at the Center for Computational Oncology at the Oden Institute for Computational Engineering and Sciences and a member of the Life Sciences group at the Texas Advanced Computing Center (TACC).

His research focuses on the development of numerical methods, innovative tumor growth models, treatment optimization, and model selection and calibration.

 

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