Abstract

12092 Background: This trial was conducted to compare the efficacy of low dose once-a-week cisplatin with once-every-3-weeks cisplatin with radiation in locally advanced head and neck squamous cell carcinoma (LAHNSCC). The current analysis focuses on the quality of life (QoL) of patients in this trial. Methods: In this phase III randomized trial, patients with stage III or IV non-metastatic LAHNSCC were randomized to receive cisplatin 30 mg/m2 once a week or cisplatin 100 mg/m2 once every 3 weeks concurrently with curative intent radiotherapy. The primary endpoint was locoregional control. QoL was a key secondary endpoint. QoL was assessed using the EORTC QLQ-C30 (v.3) and EORTC QLQ-H&N35 (v.1). QoL data were assessed at baseline and days 22 and 43 during treatment; at the end of chemoradiation and at each follow-up. The linear mixed effects model was used for longitudinal analysis of QoL domains to determine the impact of treatment (arm) and time on QoL scores. Results: Three hundred patients were enrolled, 150 in each arm. QoL data from 283 patients with at least one assessable questionnaire were analyzed. The pretreatment QoL scores were similar in both the arms in all domains. There was no significant difference in the global health status/QoL with respect to the treatment arm ( P =0.608) or time ( P=0.0544 ). There was no significant difference in the longitudinal QoL scores between the two treatment arms in all domains except the physical function ( P= .0074), constipation ( P= .0326), trouble with social contact ( P= .0321) and sexuality ( P= .0004). There was a decline in the QoL scores in all domains in both arms during treatment. After completion of treatment, the QoL scores started improving steadily up to 1 year and plateaued thereafter in both arms. Conclusions: The use of once-every-three weeks cisplatin significantly improved the locoregional control without adversely impacting the quality of life as compared to once-a-week cisplatin in combination with radical radiotherapy in locally advanced HNSCC. Clinical trial information: CTRI/2012/10/ 003062. .

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