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IMRT plus cetuximab does not improve quality of life compared to IMRT plus cisplatinTrial compares cetuximab and cisplatin for oropharyngeal cancer quality of life

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Key Takeaway
Note that IMRT plus cetuximab does not improve global health status or swallowing compared to IMRT plus cisplatin.

This Phase III randomized controlled trial enrolled 375 patients with p16+ oropharyngeal cancer to evaluate the impact of IMRT plus cetuximab compared to IMRT plus cisplatin. The primary outcome was not reported, but secondary outcomes focused on quality of life (QOL) over a 12-month follow-up period.

At 6 months, there was no significant difference in QOL scores between the cetuximab and cisplatin arms. However, at the end of treatment, statistically and clinically significant mean worsening was observed in all QOL domains except for emotional functioning, dyspnea, financial difficulties, diarrhea, and teeth. Specifically, at 6 months, clinically significant drops of more than 10 points occurred in senses, social eating, opening mouth, dry mouth, and sticky saliva.

By 12 months, drops of more than 10 points were observed for senses, trouble with social eating, opening mouth, dry mouth, sticky saliva, pain killers, and weight gain. Notably, the use of pain killers was reduced at both 6 and 12 months. Safety data and specific limitations were not reported. Replacing IMRT plus cisplatin with IMRT plus cetuximab did not improve global health status or swallowing at 6 months.

How this fits prior evidence

How this fits prior evidence: This finding addresses a gap in the quality of life outcomes for cetuximab-based regimens in HNSCC. While prior coverage noted that cetuximab-based regimens achieve 47% objective response rate in HNSCC after immune checkpoint inhibitor failure, this trial indicates that such regimens do not provide superior quality of life or swallowing outcomes compared to cisplatin in p16+ oropharyngeal cancer patients.

Researchers conducted a Phase III clinical trial involving 375 patients with p16+ oropharyngeal cancer. The study compared two different treatment paths: one using IMRT with cetuximab and another using IMRT with cisplatin. The goal was to see if switching to cetuximab would improve the daily lives of patients during their treatment.

At the six-month mark, the study found no significant difference in overall quality of life scores between the two groups. However, patients in both groups experienced significant worsening in several areas, including dry mouth, difficulty opening the mouth, and issues with social eating. By the twelve-month follow-up, many patients also reported more difficulty with weight gain and the need for pain killers.

While the study did not show that cetuximab provided a better quality of life than cisplatin, it did note that the need for pain killers decreased for both groups at six and twelve months. Because the results show that cetuximab did not improve global health status or swallowing compared to cisplatin, patients and doctors can use this information to weigh the options of these two specific treatments.

What this means for you:
Cetuximab did not improve quality of life or swallowing compared to cisplatin in this study of oropharyngeal cancer.

Study Details

Study typeRct
Sample sizen = 375
EvidenceLevel 2
Follow-up1.4 mo
PublishedSep 2026
View Original Abstract ↓
PURPOSE: NRG/RTOG 1016 was a phase III randomized noninferiority de-escalation trial comparing cetuximab versus cisplatin, concurrent with accelerated radiation 70 Gy/6 weeks, in p16+ oropharyngeal cancer. Quality of life (QOL) was a secondary endpoint. METHODS AND MATERIALS: Eligible/consenting patients among the first 400 entered completed the EORTC QLQ-C30/H&N35 at baseline, end of treatment, 3, 6, and 12 months posttreatment, to provide 90% power to detect an effect size of 0.5 in the between-arm change in QOL scores from baseline to 6 months. We report completion, responsiveness, and patterns over time across domains between arms, considering a difference of >10 points as clinically significant. RESULTS: Consent to the QOL substudy was 91%, with analyzable data in 375 patients. No significant differences in patient/tumor characteristics were found by QOL participation status. Completion at the 5 timepoints did not differ by arm (intensity modulated radiation therapy [IMRT] + cisplatin/cetuximab) and was: 92/94%, 74/77%, 76/81%, 76/81%, and 73/74%. No significant difference was observed between arms for the 6-month change from baseline on any domain. At the end of treatment, all domains showed statistically and clinically significant mean worsening across both arms except emotional functioning, dyspnea, financial difficulties, diarrhea, and teeth. By 6 months, drops >10 points remained for: senses, social eating, opening mouth, dry mouth, sticky saliva; and at 12 months for senses, trouble with social eating, opening mouth, dry mouth, sticky saliva, pain killers, and weight gain. Pain killer reduced at both 6 and 12 months. CONCLUSIONS: Although replacing concurrent IMRT + cisplatin with IMRT + cetuximab did not improve global health status or swallowing at 6 months, this study supports the responsiveness of the EORTC QLQ-C30/H&N35 to the effects of IMRT + systemic therapy for oropharyngeal cancer. Dry mouth, sticky saliva, and senses showed large, significant, and persistent impairment, whereas domains related to eating (swallowing, appetite, nutritional supplements, social eating, and weight loss) did not show sustained significant impairment in this study.
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