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Pancreas. 2014 Oct;43(7):1022-31. doi: 10.1097/MPA.0000000000000163.

Clinical characteristics of long-term survivors of inoperable pancreatic cancer: an 8-year cohort analysis in Korea.

Author information

1
From the Division of Gastroenterology, Department of Internal Medicine, Institute of Gastroenterology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.

Abstract

OBJECTIVES:

Inoperable pancreatic ductal adenocarcinoma is known to have an extremely poor prognosis. Although rare, there are some patients who have unexpected long-term survival, but the reason is not yet clear.

METHODS:

A total of 482 inoperable pancreatic ductal adenocarcinoma of 1602 patients diagnosed at Severance Hospital between 2002 and 2009 were evaluated, who were selected statistically with a retrospective cohort study. They were divided into locally advanced pancreatic cancer (LAPC) and metastatic pancreatic cancer (MPC). Short-term survivors (SS group) were defined as patients who survived less than 9 months with LAPC and 6 months with MPC. Patients who survived 3 times longer than the SS group were classified as long-term survivors (LS group). Predictive factors of long-survival were identified by comparing the 2 groups, and effects of these factors on survival were investigated statistically.

RESULTS:

In multivariate analysis, better performance status and lower CA19-9 were related to overall survival in LAPC. In MPC, younger age, better performance status, peritoneal metastasis, higher serum albumin, lower CA19-9, and CA19-9 variation were related to overall survival.

CONCLUSIONS:

These parameters related to long-term survivors of advanced pancreatic cancer can be useful for the expectation of survival. In the near future, conjunction of these clinical factors and novel molecular biologic characteristics of individual patients can be used for the personalized therapy.

PMID:
24991970
DOI:
10.1097/MPA.0000000000000163
[Indexed for MEDLINE]

Publication type, MeSH terms, Substances, Supplementary concept

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