Diar Mira Ardani, - and Bakti Surarso, - and Nyilo Purnami, - and Rizka Fathoni Perdana, - (2021) Changes in Plasma Beta-Endorphin Levels in Stage III–IV Nasopharyngeal Carcinoma Patients Post World Health Organization 3-Step Analgesic Ladder Therapy. Asian Journal Of Oncology, 3 (7). pp. 1-6. ISSN 2454-6798

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Abstract

Introduction Nasopharyngeal carcinoma (NPC) is the most common malignancy in the field of otorhinolaryngology, and chronic pain is identical with this malignancy. Pain therapy according to World Health Organization (WHO) recommendations is WHO 3-step analgesic ladder. Pain is subjective and related to the function of beta-endorphin hormone. Objective Analyzing the relationship between the degree of pain and plasma endorphin levels in stage III–IV NPC patients before and after the administration of WHO 3-step analgesic ladder. Materials and Methods The study design used pretest and posttest without control design. Participants were given WHO 3-step analgesic ladder therapy for 3 days. The participants then rated the pain scale using the visual analog scale (VAS) and plasma beta-endorphin levels in venous blood. The statistical test used the dependent t-test, Wilcoxon test, and Spearman test with p < 0.05, confidence interval: 95%. Results There were 14 stage-III NPC patients with moderate pain (78.57%) and 31 stage-IV NPC participants had moderate pain (83.87%; p ¼ 0.071). The VAS value in the moderate pain group before and after therapy was 82.22 and 66.67%, respectively (p < 0.001). The values of plasma beta-endorphin levels before and after therapy were 74.89 69.12 and 72.49 75.53 pg/mL, respectively (p ¼ 0.647). Plasma beta-endorphin levels were 19.20 37.72 pg/mL (mild pain), 4.76 35.30 pg/mL (moderate pain), and 21.67 6.27 pg/mL (severe pain; p ¼ 0.717). Conclusion Pain levels in advanced NPC patients have decreased after the therapy, but plasma beta-endorphin levels have no significant difference.

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