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Areas of Expertise

Professor Druce performs a range of treatments, including:

  • Pituitary replacement
  • Adrenal replacement
  • Overactive and Underactive thyroid treatment
  • Endocrine Tumours
  • Endocrine Hypertension

Some of the conditions she commonly treats are:

  • Endocrine disorders
  • Pituitary disorders
  • Thyroid and parathyroid disorders
  • Adrenal disease
  • Polycystic ovary syndrome (PCOS / PCO)
  • Infertility
  • Menstrual irregularity
  • Calcium disorders
  • Neuroendocrinology
  • Endocrine oncology including pancreatic cancer and neuroendocrine and endocrine tumour syndromes.

Personal Biography

Professor Maralyn Druce MA (Hons) Cantab MBBS FRCP PhD MMEd PFHEA works at Barts Health (Barts and the London Hospital). She graduated with a masters in natural sciences from Cambridge University in 1991, and completed her medical training in 1994, at University College London Medical School.

Professor Druce then went on to study diabetes, endocrinology and general internal medicine at the Hammersmith Hospital and Barts Hospital, including a Wellcome Trust clinical research training fellowship, which she undertook between 2002-06.

In 2006, Prof Druce then obtained her PhD in physiology under Professor Steve Bloom at Imperial College; her thesis focusing on gut hormones and their role in the peripheral and central control of energy homeostasis. This was followed closely by her being awarded the Chadburn Lectureship at Barts and the London School of Medicine, 2006-11.

As well as her clinical studies, Professor Druce is also a keen educator. She undertook a Masters in Medical Education (Dundee) in 2016, and was awarded an advance HE national teaching fellowship, in 2019.

Aside from her clinical, educational and research duties, Professor Druce has also held a number of external roles. These include: Chair of the Society for Endocrinology Public Engagement Committee, Chair of the Education and Training Committee for UKINETs, Member of the exam board for the Royal College of Physicians Diabetes and Endocrinology exam and Editor-in-Chief of endocrinology, diabetes and metabolism case reports.


Professor Druce has a number of active clinical research interests; these include:

  • The pathophysiology, diagnosis and treatment of neuroendocrine tumours
  • Factors affecting the production of catecholamines and metanephrines
  • Endocrine effects of cancer therapies
  • Gut hormones in the pathophysiology and treatment of obesity.

She has also been involved in several industry-sponsored clinical trials of novel pharmacological therapies for endocrine disease.

Getting to know Professor Maralyn Druce…

“I joined Welbeck Health to be part of an exciting new venture with an excellent group of colleagues, who are able to provide novel services to patients, in comfort, in the heart of London.”

Professor Maralyn Druce
  • What attracted you to medicine?

    The combination of science and working closely with people – both patients and colleagues.

  • What encouraged you to specialise in your chosen field?

    The alignment of the key skills of thinking and explaining, which are an important part of being a good endocrinologist.

  • What keeps you busy in your personal life?

    My four teenage children!

“Maralyn Druce came to the Department of Endocrinology at Barts and the London NHS Trust as a Clinical Lecturer. She is the current Professor of Endocrine Medicine. She is an admirable educator in the medical school and internationally, passing on her medical and endocrinological skills to under-graduate and post-graduate students.”

Professor S L Chew, consultant at OneWelbeck

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