Morphine Analgesia, Cannabinoid Receptor 2, and Opioid Growth Factor Receptor Cancer Tissue Expression Improve Survival after Pancreatic Cancer Surgery

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VEČEŘA Lubomír PRASIL Petr SROVNAL Josef BERTA Emil VIDLAROVA Monika GABRHELIK Tomas KOURILOVA Pavla LOVECEK Martin SKALICKY Pavel SKARDA Jozef KALA Zdeněk MICHALEK Pavel HAJDUCH Marian

Rok publikování 2023
Druh Článek v odborném periodiku
Časopis / Zdroj Cancers
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
www https://www.mdpi.com/2072-6694/15/16/4038
Doi http://dx.doi.org/10.3390/cancers15164038
Klíčová slova pancreatic cancer; pancreatic surgery; morphine; piritramide; postoperative analgesia; cancer recurrence; opioid receptors; cannabinoid receptors; patient survival
Přiložené soubory
Popis Pancreatic cancer (PDAC) has a poor prognosis despite surgical removal and adjuvant therapy. Additionally, the effects of postoperative analgesia with morphine and piritramide on survival among PDAC patients are unknown, as are their interactions with opioid/cannabinoid receptor gene expressions in PDAC tissue. Cancer-specific survival data for 71 PDAC patients who underwent radical surgery followed by postoperative analgesia with morphine (n = 48) or piritramide (n = 23) were therefore analyzed in conjunction with opioid/cannabinoid receptor gene expressions in the patients' tumors. Receptor gene expressions were determined using the quantitative real-time polymerase chain reaction. Patients receiving morphine had significantly longer cancer-specific survival (CSS) than those receiving piritramide postoperative analgesia (median 22.4 vs. 15 months; p = 0.038). This finding was supported by multivariate modelling (p < 0.001). The morphine and piritramide groups had similar morphine equipotent doses, receptor expression, and baseline characteristics. The opioid/cannabinoid receptor gene expression was analyzed in a group of 130 pancreatic cancer patients. Of the studied receptors, high cannabinoid receptor 2 (CB2) and opioid growth factor receptor (OGFR) gene expressions have a positive influence on the length of overall survival (OS; p = 0.029, resp. p = 0.01). Conversely, high delta opioid receptor gene expression shortened OS (p = 0.043). Multivariate modelling indicated that high CB2 and OGFR expression improved OS (HR = 0.538, p = 0.011, resp. HR = 0.435, p = 0.001), while high OPRD receptor expression shortened OS (HR = 2.264, p = 0.002). Morphine analgesia, CB2, and OGFR cancer tissue gene expression thus improved CSS resp. OS after radical PDAC surgery, whereas delta opioid receptor expression shortened OS.
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