491P_PR - Background pain vs breakthrough pain? Which is the priority of cancer pain treatment

Date 18 December 2016
Event ESMO Asia 2016 Congress
Session Poster lunch
Topics Palliative Care
Presenter Sun Kyung Baek
Citation Annals of Oncology (2016) 27 (suppl_9): ix157-ix160. 10.1093/annonc/mdw595
Authors S.K. Baek1, D.Y. Kim2, J.Y. Lee3
  • 1Internal Medicine, Kyung Hee University Hospital, 130-872 - Seoul/KR
  • 2Division Of Hematology & Medical Oncology, Department Of Internal Medicine, Dongguk University Ilsan Medical Center, 10326 - Goyang/KR
  • 3Biostatistics, Korea University College of Medicine, 02841 - Seoul/KR



We evaluated the difference of QOL and demand for treatment between patients with moderate or severe background cancer pain (BCP) and breakthrough cancer pain (BTcP) in Korean patients admitted with cancer pain.


In-hospital patients with cancer pain completed a questionnaire concerning severity of BCP, prevalence and treatment for BTcP, sleep disorders, and demand and satisfaction with cancer pain treatment.


Of the 1,841 patients with cancer pain, 496 (26.9%) complained of high NRS pain, and 736 patients (40%) complained of moderate NRS pain. Of the remaining 609 patients (33.1%), 177 (29.1%) complained of BTcP. Patients with moderate or severe BCP showed significant association with a sleep disorder and dissatisfaction with pain control, compared with those with BTcP (p 


Patients with uncontrolled BCP showed association with a lower quality of life than those with BTcP. Physicians should be aware of and control BCP first, even though BTcP also has an negative impact on the QOL.

Clinical trial indentification

Legal entity responsible for the study

Sun Kyung Baek


Palliative care committee of the Korean Cancer Study group


All authors have declared no conflicts of interest.