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Dexmedetomidine Supplemented Analgesia and Long-term Survival After Cancer Surgery

Surgery Clinical Trial

Official title:
Impact of Dexmedetomidine Supplemented Analgesia on Long-term Survival in Elderly Patients After Cancer Surgery: a Multicenter Randomized Controlled Trial

Clinical Trial Summary

A majority of the elderly patients undergo surgery for malignant tumors. For these patients, postoperative tumor recurrence and metastasis are main factors that worsen long-term outcomes. The investigators hypothesize that dexmedetomidine supplemented analgesia in elderly patients after cancer surgery may help to maintain immune function and improve long-term outcomes, possibly by relieving stress and inflammatory response, improving analgesic efficacy and sleep quality, and reducing delirium incidence.

Clinical Trial Description

A majority of the elderly patients undergo surgery for malignant tumors. For these patients, postoperative tumor recurrence and metastasis are main factors that worsen the quality of life and shorten the duration of survival. Perioperative immune function is a key element that influences postoperative tumor recurrence and metastasis; but it is subject to the impacts of many factors. Studies showed that elevated cortisol level and inflammation provoked by surgical stress result in suppression of immune function, whereas dexmedetomidine alleviates the elevated cortisol level and inhibit excessive inflammation; high-dose opioids inhibit the immune function and increase the invasiveness of tumor cells, whereas dexmedetomidine reduces the consumption of opioids during perioperative period; postoperative sleep disturbances also impair immune function, whereas dexmedetomidine improves sleep quality in patients after surgery; occurrence of postoperative delirium is associated with increased mortality, whereas dexmedetomidine reduces delirium incidence. The investigators hypothesize that dexmedetomidine supplemented analgesia in elderly patients after cancer surgery may improve the long-term outcomes, possibly by relieving stress and inflammatory response, improving analgesic efficacy and sleep quality, and reducing delirium incidence. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03012971
Study type Interventional
Source Peking University First Hospital
Contact
Status Active, not recruiting
Phase N/A
Start date January 6, 2017
Completion date May 2024
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