Skip Ribbon Commands
Skip to main content
Clin Asst Prof Sommat Kiattisa

Clin Asst Prof Sommat Kiattisa

MBBS, MRCP (UK), FRCR (Clinical Oncology), FAMS, Master in Clinical Investigations

Senior Consultant

National Cancer Centre Singapore

Specialty: Radiation Oncology

Clinical Interest: Gynae-Oncology, Head & Neck

Clinical Appointments

  • Senior Consultant Division of Radiation Oncology National Cancer Centre SingaporeNational Cancer Centre Singapore
  • Visiting Consultant Gynaecological Oncology KK Women's and Children's HospitalKK Women's and Children's Hospital

Academic Appointments

  • Clinical Asst Professor at Duke-NUS Medical School


Dr Kiattisa Sommat is a graduate of National University of Singapore Faculty of Medicine. She trained in Radiation Oncology at National Cancer Centre Singapore and did a fellowship in Clinical Oncology at The Royal Marsden Hospital, UK. Her clinical interests include all aspects of radiation oncology, with particular interests in nasopharyngeal, head and neck cancers and gynecological cancers. She was instrumental in introducing MRI guided interstitial brachytherapy for gynaecological cancers in National Cancer Centre Singapore. She has published articles in major international peer-reviewed oncology journals and presented at international meeting. She has also received several grants to support her research in these areas.


  • MBBS National University of Singapore 2007
  • FRCR (Clinical Oncology) 2013
  • MRCP (UK) 2014
  • Master in Clinical Investigations (National University of Singapore) 2016
  • Fellow, Academy of Medicine (FAMS) 2014 till present

Professional Appointments and Committee Memberships

  • Senior Consultant, Department of Radiation Oncology, National Cancer Centre Singapore 2016 - Present
  • Chairman, DRO Safety Committee, Department of Radiation Oncology 2016-2018
  • Chairman, Organising Committee, ESTRO “Multidisciplinary Management of Head and Neck Oncology 2017
  • Member, Clinical Trial Steering Committee, 2015 – Present
  • Member, Chapter of Radiation Oncology Committee, Academy of Medicine Singapore, 2014 - Present


  • Nurturing Clinical Scientist Award (Singapore Health Services) 2017
  • Terry Fox Foundation Research Grant for “18F-FMISO PET guided dose escalation in nasopharyngeal carcinoma – a feasibility and planning study” 2016
  • Community Cancer Fund Research Grant for Pilot Project on Speech Therapy and Dietician Services in NCCS 2015
  • MOH Healthcare Research Scholarship 2015 for Master of Clinical Investigation Program (MCI)
  • Community Cancer Fund Research Grant for SITC Immunotherapy Conference 2015
  • Health Manpower Development Programme (HMDP) Award 2014
  • ASEAN Scholarship 2000-2001

Research Interests


  • Impact of comorbidity on tolerability and survival following curative intent intensity modulated radiotherapy in older patients with nasopharyngeal cancer. Kiattisa Sommat, Nelson Ling Fung Yit, Fuqiang Wang, John Heng Chi Lim. Journal of Geriatric Oncology. DOI:
  • Thyroid V40 Predicts Primary Hypothyroidism Following Intensity Modulated Radiotherapy for Nasopharyngeal Carcinoma. Kiattisa Sommat, Whee Sze Ong, Ashik Hussain, Yoke Lim Soong, Terence Tan, Joseph Wee, Kam Weng Fong. International Journal of Radiation Oncology*Biology*Physics
  • The new front line in advanced nasopharygeal cancer. Kiattisa Sommat, Joseph TS Wee. Journal of XiangYa Medicine 2017;2:6
  • Comparison between 4-MV and 6MV radiotherapy in T1N0 glottic cancer. Kiattisa Sommat, Nelson Ling Fung Yit, Kwok Li-lian Laryngoscope 2016 30May2016, DOI 10.1002/lary.26067
  • A 13 Years Single Institutional Experience with Definitive Radiotherapy in Hypopharyngeal Cancer Kiattisa Sommat, Sook Kwin Yong, Kam Weng Fong, Terence Tan, Joseph Wee, Yoke Lim Soong Annals, Academy of Medicine 32-36 Vol 46, No.1, January 2017
  • Comparison of Circulating Tumour Cells and Circulating Cell-Free Epstein-Barr Virus DNA in Patients with Nasopharyngeal Carcinoma Undergoing Radiotherapy. Jess Vo, Wen Long Nei, Min Hu, Wai Min Phyo, Fuqiang Wang, Kam Weng Fong, Terence Tan, Yoke Lim Soong, Shie Lee Cheah, Kiattisa Sommat, Huiyu Low, Belinda Ling, Johnson Ng, Wan Loo Tan, Kian Sing Chan, Lynette Oon, Jackie Ying, and Min-Han Tan Scientific Reports 6, Article number:13(2016)
  • Long term outcome of intensity modulated radiotherapy in nasopharyngeal carcinoma in National Cancer Centre Singapore Kiattisa Sommat, Fu Qiang Wang, Li-Lian Kwok, Terence Tan, Kam Weng Fong, Yoke Lim Soong, Shie Lee Cheah, Joseph Wee BMC Proceedings 2016, 10(Suppl 1):O7

Research Trials

  • 18F-FMISO PET guided dose escalation in nasopharyngeal carcinoma – a feasibility and planning study 2016 till present
  • A Situation Analysis of National Radiotherapy Resources and Patterns of Care for Patients with Nasopharyngeal Carcinoma in Low-Middle Income Countries: Can Enhancing the Quality of Radiotherapy Planning Improve Outcomes 2015 till present
  • Somatostatin receptor imaging in Nasopharyngeal cancer 2015 till present