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Poster session 02

235TiP - Hamlet.rt Trans: Prospective single-centre translational study evaluating liquid biomarkers of radiation response

Date

21 Oct 2023

Session

Poster session 02

Topics

Clinical Research;  Pathology/Molecular Biology;  Translational Research;  Genetic and Genomic Testing;  Radiation Oncology;  Basic Science

Tumour Site

Non-Small Cell Lung Cancer;  Prostate Cancer;  Head and Neck Cancers

Presenters

Mary Denholm

Citation

Annals of Oncology (2023) 34 (suppl_2): S233-S277. 10.1016/S0923-7534(23)01932-4

Authors

M. Denholm1, H.W. Martin2, A. Roshan3, S. Miller4, G. Harden4, C. Towns4, S. Kadyan4, P. Mennea5, D. Muñoz-Espín6, N. Rosenfeld2, G.C. Barnett7, R. Rintoul3, C.E. Coles8, H. Yang7, R. Jena9

Author affiliations

  • 1 Oncology, Early Cancer Institute, Cambridge University, CB20XZ - Cambridge/GB
  • 2 Oncology, CRUK Cambridge Institute, CB2 0QQ - Cambridge/GB
  • 3 Oncology, CRUK - Cancer Research UK Cambridge Institute - University of Cambridge, CB2 0RE - Cambridge/GB
  • 4 Cambridge Clinical Trials Unit, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ - Cambridge/GB
  • 5 Rosenfeld Lab, CRUK - Cancer Research UK Cambridge Institute - University of Cambridge, CB2 0RE - Cambridge/GB
  • 6 Oncology, Early Cancer Institute, Cambridge University, cb20xz - Cambridge/GB
  • 7 Oncology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ - Cambridge/GB
  • 8 Oncology Department, University of Cambridge - Clinical Oncology - R block (R4), CB2 0QQ - Cambridge/GB
  • 9 Oncology, Addenbrooke's Hospital, CB2 0QQ - Cambridge/GB

Resources

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Abstract 235TiP

Background

Hamlet.rt (Heuristics, Algorithms and Machine Learning: Evaluation & Testing in Radiation Therapy) is a multi-centre study exploring the role of machine learning in predicting response and toxicity in patients receiving radical radiotherapy for non-small cell lung cancer (NSCLC), Head and Neck Cancer (H&N Cancer) and Prostate cancer. Hamlet.rt Trans is a translational sub-study that leverages the infrastructure of Cancer Research UK RadNet Cambridge to evaluate multiple liquid biomarkers of radiation response. This study aims to investigate biomarkers of treatment response in patients with lung and head and neck cancers and markers of treatment toxicity in patients with prostate cancer.

Trial design

HAMLET.trans is a translational biosampling study of patients undergoing radical radiotherapy for NSCLC, H&N cancer or prostate cancer. Venous samples for ctDNA analysis and senescence-related profiling are collected together with dried blood spot samples before chemotherapy and radiotherapy at multiple time points during radiotherapy and post-treatment. Urine is collected from patients with prostate cancer. Patients are completing toxicity questionnaires during and after radiotherapy. Delivery dose per fraction is assessed based on imaging just before radiotherapy delivery. The trial aims to recruit at least 20 patients per arm. Patient samples are analysed for tumor-specific mutation, methylation profiling of cfDNA as well as cytokine assays to establish markers or response and toxicity and identify optimal sample timings for future studies. Blood spots are analysed for ctDNA tumour content to establish a less invasive way of frequent sampling on therapy. The results of HAMLET.trans will inform ongoing translational work.

Clinical trial identification

NCT04060706.

Editorial acknowledgement

Legal entity responsible for the study

Cambridge Cancer Trials Centre.

Funding

Cancer Research UK and the Medical Research Council UK.

Disclosure

All authors have declared no conflicts of interest.

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