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Abstract #1083

Applying an MRI-based mathematical model to predict the response of cervical cancer to chemoradiation: Preliminary results

Reshmi J S Patel1, Chengyue Wu2,3,4,5,6, Casey E Stowers3, Rania M Mohamed7, Jingfei Ma2, Gaiane M Rauch4,8, and Thomas E Yankeelov1,2,3,9,10,11
1Biomedical Engineering Department, The University of Texas at Austin, Austin, TX, United States, 2Imaging Physics Department, The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 3Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX, United States, 4Breast Imaging Department, The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 5Biostatistics Department, The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 6Institute for Data Science in Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 7Cancer Systems Imaging Department, The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 8Abdominal Imaging Department, The University of Texas MD Anderson Cancer Center, Houston, TX, United States, 9Diagnostic Medicine Department, The University of Texas at Austin, Austin, TX, United States, 10Oncology Department, The University of Texas at Austin, Austin, TX, United States, 11Livestrong Cancer Institutes, The University of Texas at Austin, Austin, TX, United States

Synopsis

Keywords: Cancer, Modelling, Computational Oncology, Cervical Cancer, Treatment Response, Tumor Prediction

Motivation: Cervical cancer patients have a 20-30% risk of residual disease after standard-of-care chemoradiation, so there is a need for optimized therapeutic interventions.

Goal(s): We aim to predict response of individual cervical cancer patients to chemoradiation using a mathematical model calibrated with quantitative MRI data.

Approach: We calibrated a reaction-diffusion model of tumor cellularity with MRI data before (V1) and two weeks into chemoradiation (V2). The calibrated model predicted patient-specific tumor status after five weeks of treatment (V3).

Results: For a responder and non-responder, the differences between the observed and predicted percent change in tumor cellularity from V1 to V3 were less than 10%.

Impact: Our biology-based mathematical model using quantitative MRI data has the potential to accurately predict tumor response to chemoradiation for patients with locally advanced cervical cancer.

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Keywords