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Weekly Cisplatin Regimen Shows Noninferiority to Standard Dosing in Head and Neck CancerWeekly cisplatin treatment shows promise for head and neck cancer

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Key Takeaway
Weekly cisplatin dosing is noninferior to 3-weekly dosing for high-risk squamous cell carcinoma of the head and neck.

This Phase II/III randomized controlled trial evaluated the efficacy of chemoradiotherapy for patients with postoperative high-risk locally advanced squamous cell carcinoma of the head and neck. The study compared a weekly cisplatin regimen (40 mg/m²) against a standard 3-weekly regimen (100 mg/m²) over a median follow-up of 5.6 years.

Primary analysis of overall survival demonstrated noninferiority for the weekly dosing schedule. The 5-year OS was 71.2% for the weekly group compared to 58.7% for the 3-weekly group, yielding a hazard ratio of 0.76. While the confidence interval crossed the noninferiority margin, the data supports the viability of the modified schedule.

Secondary outcomes, including relapse-free survival and local relapse-free survival, were numerically superior in the weekly cohort. Furthermore, safety profiles were comparable between both treatment arms, with no late adverse events showing a greater than 10% difference. These findings suggest that the weekly regimen is a viable alternative for managing this patient population.

How this fits prior evidence

How this fits prior evidence: This finding addresses a gap in the management of high-risk squamous cell carcinoma of the head and neck by establishing the noninferiority of a weekly cisplatin regimen. It does not directly relate to the previously reported outcomes for metastatic prostatic small cell neuroendocrine carcinoma, IMRT plus cetuximab, small cell lung cancer, high-grade neuroendocrine lung carcinoma, or nasopharyngeal carcinoma.

Living with head and neck cancer involves a difficult road of treatment. For patients with high-risk cancer after surgery, doctors are looking for ways to manage chemotherapy that are both effective and manageable. A recent trial looked at two different ways of giving cisplatin, a common chemotherapy drug, to see if changing the schedule changed the outcome.

Researchers compared giving a smaller dose of cisplatin every week for seven cycles against a larger dose every three weeks for three cycles. The study found that the weekly schedule was not inferior to the three-week schedule in terms of overall survival. Specifically, the five-year survival rate was 71.2% for those on the weekly plan compared to 58.7% for those on the three-week plan.

While the survival rates were similar enough to call the treatments comparable, the weekly group showed numerically better results for staying cancer-free. Safety data showed no significant differences in late side effects between the two groups. This finding suggests that the weekly schedule is a reasonable alternative for patients undergoing treatment for squamous cell carcinoma of the head and neck.

What this means for you:
Weekly cisplatin doses are a comparable and potentially easier alternative to three-week doses for certain head and neck cancers.

Common questions

How does the weekly treatment compare to the three-week treatment?

The trial showed that the weekly cisplatin schedule was not inferior to the three-week schedule for overall survival. While the five-year survival rate was 71.2% for the weekly group and 58.7% for the three-week group, the results confirmed that the weekly regimen is a reasonable alternative for patients with high-risk head and neck cancer.

Are there different side effects between the two schedules?

The study found that no late adverse events showed more than a 10% difference between the weekly and three-week treatment groups. This suggests that the two different dosing schedules were similar in terms of late side effects for the patients involved.

Who specifically can benefit from the weekly treatment?

This finding specifically applies to patients with postoperative high-risk locally advanced squamous cell carcinoma of the head and neck. Because the trial confirmed the weekly regimen is not inferior, it may be a practical option for these patients. Talk to your doctor to see if this schedule is right for you.

Study Details

Study typeRct
EvidenceLevel 2
Follow-up0.7 mo
PublishedSep 2026
View Original Abstract ↓
The interim analysis of JCOG1008 demonstrated that chemoradiotherapy with cisplatin 40 mg/m once a week for seven cycles (weekly cisplatin) was noninferior in terms of overall survival (OS) compared with chemoradiotherapy with cisplatin 100 mg/m once every 3 weeks for three cycles (3-weekly cisplatin) for postoperative high-risk locally advanced squamous cell carcinoma of the head and neck (LA-SCCHN). This report presents the long-term follow-up results of JCOG1008. In this phase II/III trial, patients with postoperative high-risk LA-SCCHN were randomly assigned to receive either chemoradiotherapy with 3-weekly cisplatin or with weekly cisplatin. A total of 261 patients were enrolled. At the final analysis, with a median follow-up of 5.6 years, 5-year OS was 58.7% in the 3-weekly arm and 71.2% in the weekly arm (hazard ratio, 0.76 [95% CI, 0.52 to 1.12 [<1.32]]), confirming the noninferiority of the weekly regimen. Both 5-year relapse-free survival (RFS) and 5-year local RFS were numerically better in the weekly arm. No late adverse event showed more than a 10% difference between the two arms. In conclusion, 5-year follow-up confirmed that chemoradiotherapy with weekly cisplatin is noninferior in OS to chemoradiotherapy with 3-weekly cisplatin in patients with postoperative high-risk LA-SCCHN. These results further support the use of weekly cisplatin plus radiotherapy as a reasonable alternative for this patient population.
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