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Brian D Nicholson

BSc MBChB MRCGP MSc (Health Research)

NIHR Doctoral Research Fellow

  • NHS General Practitioner
  • Macmillan GP Facilitator - Oxfordshire
  • NCRI Primary Care Clinical Studies Group- Early Diagnosis and Survivorship Subgroups.
  • ICBP Primary Care Clinical Committee.
Diagnosis and Cancer in Primary Care

My academic interests include cancer, global health, and evidence-based diagnosis.

I am currently an NIHR Doctoral Research Fellow investigating weight loss as a feature of cancer in patients attending their GP.

I work as Oxford Co-PI on CANDID, a large NIHR SPCR multi-centre study developing clinical prediction rules to help GPs diagnose lung and colorectal cancer.

I am interested in how GPs can safely use tests to diagnose primary and recurrent cancer, including Carcinoembryonic Antigen (CEA), Faecal Immunochemical Testing (FIT), and Cancer Antigen 125 (Ca125). As a Cancer Research UK fellow I investigated variation in GP access to diagnostic tests for cancer diagnosis in England. I have interrogated International Cancer Benchmarking Partnership (ICBP) data to investigate differences in diagnostic systems between nations. I collaborate with secondary care colleagues on projects aimed at improving the diagnosis of a variety of cancers including Multiple Myeloma, Colorectal, and Ovarian.

I work as a GP in Oxford City, and as the Macmillan GP Facilitator for Oxfordshire meaning I work with Oxfordshire CCG and Thames Valley Strategic Clinical Network to improve pathways for cancer diagnosis locally.

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Recent Publications

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