Twenty-four-hour urinary cortisol levels before complete resection of non-small cell lung cancer and survival

Naoki Nakaya, Shin Fukudo, Nobuya Akizuki, Eisho Yoshikawa, Makoto Kobayakawa, Maiko Fujimori, Ken Shimizu, Kanji Nagai, Yutaka Nishiwaki, Yosuke Uchitomi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Cortisol has been speculated to play a role in survival from cancer. The objective of this study was to investigate the association between 24-h urinary cortisol levels and survival from non-small cell lung cancer. From June 1996 to April 1999, a total of 226 patients with resectable non-small cell lung cancer were enrolled. Urine samples were collected over a 24-h period before the curative resections. A total of 14 650 person-months (median =71 months, range =1-97 months) were accrued. Over the follow-up period, 56 deaths from all causes were identified through January 2004. Cox proportional hazards regression analyses were used to estimate the relative risk (RR) of death from all causes according to three categories of 24-h urinary cortisol levels. Multivariable RRs of death from all causes for individuals in the highest and intermediate categories, compared with the lowest category, were 1.09 (95% confidence interval =0.54-2.21) and 1.17 (0.55-2.46), respectively (p for trend =0.17). The present data do not support the hypothesis that 24-h urinary cortisol levels are associated with survival from non-small cell lung cancer.

Original languageEnglish
Pages (from-to)399-405
Number of pages7
JournalActa Oncologica
Volume44
Issue number4
DOIs
Publication statusPublished - 2005

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Radiology Nuclear Medicine and imaging

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