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Prof Marilena Loizidou
Academic Department of Surgery, UCL Medical School
9th floor, Royal Free Hospital
Tel: 020 7794 0500 x 35575; x35303
Prof Marilena Loizidou profile picture
  • Professor of Cancer Nanotechnology
  • Department of Surgical Biotechnology
  • Div of Surgery & Interventional Sci
  • Faculty of Medical Sciences

Marilena Loizidou is Deputy Director of the Division of Surgery and Interventional Science (SIS) at UCL; and Head of the SIS Department at the Royal Free Campus.  

After her undergraduate training in Biochemistry (McMasters University, Canada), she moved to the University of Southampton where she obtained her PhD in Solid Tumour Biology and Pharmacology and became lead clinical scientist at the University of Southampton/NHS. She moved to UCL to the academic department of Surgery, and became Head of Department in 2013.

ML uses nanotechnology tools in her cancer pharmacology research.  Her main focus has been in the field of novel imaging and targeted therapeutics in solid tumours, mainly colorectal cancer, with a focus on the role of the fibrotic cancer stroma.  ML co-invented tumouroids, 3D in vitro cultures of cancer which mimic the composition and architecture of solid tumours. Tumouroids are being developed as platforms for therapeutics and for stratified, precision medicine.

 ML is Co-Founder and Director of the MSc in Nanotechnology and Regenerative Medicine and the MSc in Surgical and Interventional Sciences.


Research Summary



Use of nanoparticles to improve drug targeting and treatment of solid cancers, particularly colorectal cancer.


Creation of tumouroids, complex 3D cultures of cancer in the laboratory, to mimic the tissue composition of solid cancers. Tumouroids are currently being developed as drug testing platforms and for stratified, precision medicine.

Teaching Summary


(1) Director, MSc in Surgical and Interventional Sciences.

(2) Co-Director, MSc in Nanotechnology and Regenerative Medicine.


(1) Co-Director, MSc in Evidence-based Healthcare in Surgery

(2) Co-Founder and Director, Intercalated BSc in Surgical Sciences

2000 Senior Lecturer    , United Kingdom
Academic Background
1991   Doctor of Philosophy University of Southampton
1985   Master of Science University of Southampton
1984   Bachelor of Science McMaster University
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