Effet immunomodulateur de la kétamine lors d’une chirurgie de cancer colorectal: une étude randomisée contrôlée

Translated title of the contribution: The immunomodulatory effect of ketamine in colorectal cancer surgery: a randomized-controlled trial

Jin Sun Cho, Na Young Kim, Jae Kwang Shim, Ji Hae Jun, Sugeun Lee, Young Lan Kwak

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: Ketamine’s inhibitory action on the N-methyl-d-aspartate receptor and anti-inflammatory effects may provide beneficial immunomodulation in cancer surgery. We investigated the effect of subanesthetic-dose ketamine as an adjunct to desflurane anesthesia on natural killer (NK) cell activity and inflammation in patients undergoing colorectal cancer surgery. Methods: A total of 100 patients were randomly assigned to a control or ketamine group. The ketamine group received a bolus of 0.25 mg·kg−1 ketamine five minutes before the start of surgery, followed by an infusion 0.05 mg·kg−1·hr−1 until the end of surgery; the control group received a similar amount of normal saline. We measured NK cell activity and proinflammatory cytokines (interleukin-6 [IL-6] and tumour necrosis factor-α [TNF-α]) before surgery and one, 24, and 48 hr after surgery. C-reactive protein (CRP) was measured before surgery and one, three, and five days after surgery. Carcinoembryonic antigen and cancer recurrence/metastasis were assessed two years after surgery. Results: The NK cell activity was significantly decreased after surgery in both groups, but the change was not different between groups in the linear mixed model analysis (P = 0.47). Changes in IL-6, TNF-α, CRP, and carcinoembryonic antigen levels were not different between groups (P = 0.27, 0.69, 0.99, and 0.97, respectively). Cancer recurrence within 2 years after surgery was similar between groups (10% vs 8%, P = 0.62). Conclusions: Intraoperative low-dose ketamine administration did not convey any favourable impacts on overall postoperative NK cell activity, inflammatory responses, and prognosis in colorectal cancer surgery patients. Trial registration: www.clinicaltrial.gov (NCT03273231); registered 6 September 2017.

Translated title of the contributionThe immunomodulatory effect of ketamine in colorectal cancer surgery: a randomized-controlled trial
Original languageFrench
Pages (from-to)683-692
Number of pages10
JournalCanadian Journal of Anesthesia
Volume68
Issue number5
DOIs
Publication statusPublished - 2021 May

Bibliographical note

Funding Information:
Jin Sun Cho contributed to all aspects of this manuscript, including study conception and design; acquisition, analysis, and interpretation of data; and drafting the article. Na Young Kim contributed to conception and design of the study and acquisition of data. Jae-Kwang Shim contributed to interpretation of data and drafting and revising the article. Sugeun Lee and Ji Hae Jun contributed to acquisition and analysis of data. Young-Lan Kwak contributed to all aspects of this manuscript, including study conception and design; acquisition, analysis, and interpretation of data; and drafting and revising the article. The authors thank the Biostatistics Collaboration Unit, a part of the Medical Research Support Services of Yonsei University College of Medicine, for contributing to this study. None. This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (No. 2017R1C1B5018102). This submission was handled by Dr. Hilary P. Grocott, Former Editor-in-Chief, Canadian Journal of Anesthesia.

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (No. 2017R1C1B5018102).

Publisher Copyright:
© 2021, Canadian Anesthesiologists' Society.

All Science Journal Classification (ASJC) codes

  • Anesthesiology and Pain Medicine

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