O’Brien, Ciara

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Ciara O’Brien

Job title

Consultant and Honorary Senior Lecturer in Medical Oncology

Email Address


Phone number

0161 446 3746




Breast Cancer


Dr O’Brien specialises in the treatment of patients with early and advanced breast cancer.

Visiting Oncologist Fairfield Hospital

Professional biography

Dr Ciara O’Brien graduated from University College London Medical School in 2003. She was awarded an AACR Scholar in Training Award in 2009 and a PhD from University of Manchester in 2011 for translational research investigating pathways of drug resistance in breast cancer.

Dr Ciara O’Brien completed specialist training in Medical Oncology at the Christie Hospital, Manchester in 2016. She then undertook a fellowship in Experimental Cancer Medicine at the Christie Hospital/University of Manchester with a focus on translational research, precision oncology and early phase clinical trials in breast cancer.

In 2017 she was appointed Honorary Senior Lecturer at the University of Manchester and in 2018 she was appointed Consultant in Medical Oncology at The Christie.

Research Interest

  • Molecular target discovery in breast cancer
  • Data mining (big data) projects in breast oncology
  • Clinical trials of new agents for breast cancer