Background & Aims: The current standard treatment modality for advanced head and neck squamous cell carcinoma (HNSCC), namely platinum-based (PB) concurrent chemoradiotherapy (CRT), is associated with frequent severe mucositis which is responsible for the multiple acute and late adverse events. So far, effective preventive methods for this CRT-induced mucositis are not identified. In the current study, we examined the prophylactic effects of beta-hydroxy-beta-methylbutyrate (HMB), arginine (Arg), and glutamine (Gln) (HMB/Arg/Gln) mixture.
Methods: Patients with HNSCC who were subject to PBCRT were randomly assigned to HMB/Arg/Gln intervention (Group I) and non-intervention (Group NI) cohort. The incidences of ≧ grade 3 mucositis (primary endpoint), ≧ grade 2 mucositis, and opioid usage and the degree of body weight loss (secondary endpoints) were compared between Group I and Group NI.
Results: A total of 75 patients were enrolled to this study and 38 patients were assigned to Group I, while 37 patients were to Group NI. After excluding patients who failed to complete CRT (3 in Group I and 2 in Group NI) or withdrew consents (11 in Group I and 1 in Group NI), 24 patients in Group I and 34 patients in Group NI were evaluated. HMB/Arg/Gln failed to reduce the incidences of ≧ grade 2 mucositis, but significantly (p = 0.0003) inhibited grade 3 mucositis in the late phase CRT, reducing the incidence from 64.6% (Group NI) to 25% (Group I) at 70Gy. The degree of body weight loss was significantly (p = 0.0038) lower in Group I (5.6%) compared to Group NI (8.9%), preventing the progression of PBCRT-induced cachexia.
Conclusions: HMB/Arg/Gln administration demonstrated inhibitory effects on the progression of grade 3 mucositis and cancer cachexia in HNSCC patients treated with PBCRT. A larger scale phase III study is encouraged.
Clinical Trial Registration: This study is registered to the UMIN Clinical Trial Registry: UMIN000050011.
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| http://dx.doi.org/10.1016/j.clnesp.2023.08.027 | DOI Listing |
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