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Professor Timothy Perren

Consultant oncologist
MD FRCP

Practising at

Spire Leeds Hospital

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Treatment information

Some of the principal treatments carried out by Professor Timothy Perren at Spire include:

Other treatments

Oncology, gynaecological cancer, breast cancer, breast disease, palliative medicine

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Professional profile

I am a consultant medical oncologist specialising in the non-surgical treatment of cancers using chemotherapy, hormonal therapy and the new molecular therapies such as Herceptin (trastuzumab), Perjeta (pertuzumab), Kadcyla (trastuzumab), Tyveb (lapatinib), Avastin (bevacizumab) and Lynparza (olaparib).

Modern treatment for cancer requires the careful integration of diagnostic procedures, surgical treatment and medical therapies. Treatment is becoming increasingly tailored to the patient and their cancer. I believe that it is important to take into account the individual needs and situation of each patient and to involve the patient and their family closely in the development of a treatment plan. I am a member of the multidisciplinary teams for breast cancer and gynaecological cancers at the Leeds Teaching Hospitals NHS Trust and work with the same team of surgeons, radiologists and pathologists in my private practice as I do in the NHS.

Through my NHS practice I am involved in many research trials investigating the integration of new treatments into cancer care. I was the chief investigator on the influential ICON7 trial published in the New England Journal of Medicine in 2011 which has led to the integration of bevicizumab into standard first treatment for ovarian cancer. I am also author or co-author in more than a 100 other research papers and abstracts.

In April 2015 my RG score (calculated based on the publication profile and how other researchers interact with it) within ResearchGate was 40.90 which is higher than 97.5% of ResearchGate members. I am regularly approached to present my work at International meetings.

I trained in general medicine in London and in Stoke on Trent and I am a fellow of the Royal College of Physicians. My oncology training was in Birmingham and at the Royal Marsden Hospital. My MD thesis was concerned with the identification of prognostic factors in breast cancer. I was appointed consultant medical oncologist at St James's Hospital in Leeds in January 1990 and to the Chair of Women’s Cancers and Oncology in 2013.

I specialise in the treatment of breast cancer and gynaecological cancers. I provide treatment for newly diagnosed patients, as well as for those with recurrent or metastatic disease.

Clinical Interests


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Media Coverage

Leeds mum battling breast cancer backs campaign

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Qualification and professional memberships

Professional memberships

American Society of Clinical Oncology
European Society of Medical Oncology
Association of Cancer Physicians

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Current NHS posts

Honorary consultant medical oncologist, Leeds Teaching Hospitals NHS Trust
Professor of oncology and women's cancers, University of Leeds

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Personal Profile

I am married with 3 adult boys. In my limited spare time I enjoy walking in the countryside with my family and our 2 gun dogs. I am also keen on sailing and boating, and I am a member of a local sailing club.

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Private contact details

Telephone 0113 218 5908/9
Private secretary Jennifer Perren
Private secretary telephone 07767 820032
Private secretary email jennifer.perren@me.com

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