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Machine learning and patient-reported outcomes for longitudinal monitoring of disease progression in metastatic breast cancer: a multicenter, retrospective analysis

Background - Assessments of health-related quality of life (HRQoL) play an important role in transition to palliative care for women with metastatic breast cancer. We developed machine learning (ML) algorithms to analyse longitudinal HRQoL data and identify patients who may benefit from palliative c...

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Main Authors: Deutsch, Thomas M. (Author) , Pfob, André (Author) , Brusniak, Katharina (Author) , Riedel, Fabian (Author) , Bauer, Armin (Author) , Dijkstra, Tjeerd (Author) , Engler, Tobias (Author) , Brucker, Sara Y. (Author) , Hartkopf, Andreas D. (Author) , Schneeweiss, Andreas (Author) , Sidey-Gibbons, Chris (Author) , Wallwiener, Markus (Author)
Format: Article (Journal)
Language:English
Published: July 2023
In: European journal of cancer
Year: 2023, Volume: 188, Pages: 111-121
ISSN:1879-0852
DOI:10.1016/j.ejca.2023.04.019
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Author Notes:Thomas M. Deutsch, André Pfob, Katharina Brusniak, Fabian Riedel, Armin Bauer, Tjeerd Dijkstra, Tobias Engler, Sara Y. Brucker, Andreas D. Hartkopf, Andreas Schneeweiss, Chris Sidey-Gibbons, Markus Wallwiener
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Summary:Background - Assessments of health-related quality of life (HRQoL) play an important role in transition to palliative care for women with metastatic breast cancer. We developed machine learning (ML) algorithms to analyse longitudinal HRQoL data and identify patients who may benefit from palliative care due to disease progression. - Methods - We recruited patients from two institutions and administered the EuroQoL Visual Analog Scale (EQ-VAS) via an online platform over a 6-month period. We trained a regularised regression algorithm using 10-fold cross-validation to determine if a patient was at high or low risk of disease progression based on changes in the EQ-VAS scores using data of one institution and validated the performance on data of the other institution. Progression-free survival (PFS) was the end-point. We conducted Kaplan-Meier and Cox regression analysis adjusted for clinical risk factors. - Results - Of 179 patients, 98 (54.7%) had progressive disease after a median follow-up of 14weeks. Using EQ-VAS scores collected at weeks 1-6 to predict disease progression at week 12, in the validation set (n = 63), PFS was significantly lower in the intelligent EQ-VAS high-risk versus low-risk group: median PFS 7 versus 10weeks, log-rank P < 0.038). Intelligent EQ-VAS had the strongest association with PFS (adjusted hazard ratio 2.69, 95% confidence interval 1.17-6.18, P = 0.02). - Conclusion - ML algorithms can analyse changes in longitudinal HRQoL data to identify patients with disease progression earlier than standard follow-up methods. Intelligent EQ-VAS scores were identified as independent prognostic factor. Future studies may validate these results to remotely monitor patients.
Item Description:Online verfügbar: 29. April 2023, Artikelversion: 23. Mai 2023
Gesehen am 15.08.2023
Physical Description:Online Resource
ISSN:1879-0852
DOI:10.1016/j.ejca.2023.04.019

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