Machine learning for chemotherapy decision-making in breast cancer using large language model - Report - MDSpire

Machine learning for chemotherapy decision-making in breast cancer using large language model

  • By

  • Md Serajun Nabi

  • Dema Yuden

  • Thinley Yeshey Choden

  • S. M. Asiful Islam Saky

  • Hasanul Bannah

  • Md Sabbir Hossen

  • Mohammad Faizal Ahmad Fauzi

  • Hezerul Bin Abdul Karim

  • July 6, 2026

  • 0 min

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Clinical Report: Utilizing Large Language Models and Machine Learning to Enhance Chemotherapy Choices in Breast Cancer

Overview

This study presents a hybrid framework that integrates machine learning and large language models to improve chemotherapy decision-making in breast cancer. The Random Forest classifier demonstrated high predictive accuracy, while GPT-4 provided clinically relevant rationales for treatment recommendations.

Background

Breast cancer remains a leading cause of cancer-related mortality among women, with chemotherapy decisions often complicated by biological variability and inconsistent clinical practices. Current methods for determining chemotherapy eligibility can lead to both overtreatment and undertreatment.

Data Highlights

ModelAUCCohen's κ
Random Forest0.91-
GPT-4-0.13

Key Findings

  • The Random Forest classifier achieved an AUC of 0.91, outperforming baseline models.
  • Causal analysis revealed heterogeneous treatment benefits, indicating potential patient groups for chemotherapy deprioritization.
  • GPT-4 demonstrated moderate agreement with the Random Forest model in generating treatment rationales.
  • Uplift-based machine learning policies outperformed traditional treat-all and treat-none strategies.
  • GPT-4 enhanced interpretability through rationale-driven explanations.

Clinical Implications

The proposed framework leverages machine learning and causal analysis to support chemotherapy recommendations.

Conclusion

This study integrates advanced computational methods to enhance chemotherapy decision-making in breast cancer.

Related Resources & Content

  1. Frontiers in Digital Health, 2026 -- Large language models for breast cancer treatment planning: a blinded real-world evaluation of DeepSeek, ChatGPT, and oncologist recommendations
  2. npj Digital Medicine, 2026 -- CancerLLM: a large language model in cancer domain
  3. npj Digital Medicine, 2026 -- Evaluating large language models for pharmacotherapy simulations: a mixed-methods study
  4. Frontiers in Oncology, 2026 -- Clinical evaluation of large language model recommendations in melanoma: comparison with multidisciplinary tumor board decisions in a real-world cohort
  5. NCCN Guidelines® Insights: Breast Cancer, Version 5.2025 | CoLab
  6. Carboplatin Plus Taxane-Anthracycline Neoadjuvant Chemotherapy for Triple-Negative Breast Cancer - The ASCO Post
  7. Adjuvant Chemotherapy for HR-Positive ERBB2-Negative Breast Cancer—Clinical Practice Changes Based on TAILORx and RxPONDER Results | Oncology | JAMA Network Open
  8. NCCN Guidelines® Insights: Breast Cancer, Version 5.2025 | CoLab
  9. Carboplatin Plus Taxane-Anthracycline Neoadjuvant Chemotherapy for Triple-Negative Breast Cancer - The ASCO Post
  10. Adjuvant Chemotherapy for HR-Positive ERBB2-Negative Breast Cancer—Clinical Practice Changes Based on TAILORx and RxPONDER Results | Oncology | JAMA Network Open | JAMA Network

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