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Amen Sibtain

Consultant Oncologist

, London

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Amen Sibtain: Consultant Oncologist in London

Based at The London Oncology Clinic on Harley Street, Dr Amen Sibtain specialises in the treatment of gastrointestinal, hepatobiliary and head and neck cancers. He has particular expertise in chemoradiotherapy and new radiotherapy techniques, including Intensity Modulated Radiotherapy (IMRT) and stereotactic radiosurgery (Gamma Knife and Cyberknife).

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Following appointments at some of London's most renowned cancer centres, including the Royal Marsden and Mount Vernon Mr Sibtain is now based at The London Oncology Clinic on Harley Street, where he is Clinical Lead in Head and Neck Cancer. He was awarded his MD degree from the University of London for research in tumour hypoxia.

Mr Sibtain is a Past President of the Oncology Section of the Royal Society of Medicine, an examiner in oncology for the Royal College of Radiologists, an advisor to the Healthcare Commission, oncology advisor for BBC Drama, a member of the medical advisory panel for Cancer Backup, Programme Director for Clinical Oncology Specialist Training Committee for the London Deanery and Chairman of the Head and Neck Tumour Board for North East London.

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Highly experienced in the treatment of gastrointestinal, hepatobiliary and head and neck cancers, Dr Sibtain is skilled in the latest and most advanced therapies, including:

Intensity modulated radiotherapy (IMRT)

Intensity modulated radiotherapy (IMRT) uses advanced technology to shape a radiotherapy beam to the exact size and shape of a tumour, avoiding damage to surrounding healthy tissue.  Precise and varying doses can be applied to different areas of the tumour, maximising the effectiveness of the therapy and reducing side-effects.

Stereotactic radiosurgery

Stereotactic radiosurgery (also known as stereotactic radiotherapy) is another new technology to deliver targeted radiation to a tumour.  Most commonly used for small brain tumours such as acoustic neuroma, secondary brain tumours, menigioma and pituitary tumours, it involves the application of a very high dose of radiation to a very small precise area. 

Stereotactic radiosurgery can be delivered from specialised machines (Gamma Knife and CyberKnife), or from a conventional radiotherapy machine (linear accelerator) that has been adapted for the purpose.  Totally non-invasive and with an excellent record for successful treatment, it does not result in hair loss or nausea and patients can normally resume everyday activities within a couple of days.

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Research interests

Mr Sibtain is the editor of the book 'Towards The Prevention of Cancer' (RSM Press: 2007). An early adopter of the Cyberknife, he has a particular interest in new radiotherapy techniques for the treatment of cancer. 

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Accreditation and admitting rights

Amen Sibtain is an accredited consultant for the following hospitals, clinics and groups...

Professional details



Qualified in 1991 in United Kingdom

Registrations and licensing

  • General Medical Council (GMC)

    Registration no.: 3547742
    Date of registration: 01-Aug-1992

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Memberships and associations

Amen Sibtain is a member of the following professional associations and organisations...

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