Opdivo Now Indicated to Prevent Melanoma Recurrence After Surgery

Recurrence-free survival superior to Yervoy in trial

Nivolumab (Opdivo, Bristol-Myers Squibb) has secured FDA approval for the adjuvant treatment of patients with melanoma with involvement of lymph nodes or metastatic disease who have undergone complete resection. Adjuvant therapy aims to reduce the risk of recurrence following surgical removal of the tumor and lymph nodes that contain cancer.

In the phase 3 CheckMate -238 trial, nivolumab significantly improved recurrence-free survival (RFS) versus an active comparator, ipilimumab (Yervoy, Bristol-Myers Squibb), in patients with stage IIIB/C or stage IV melanoma after surgery. This benefit was observed across important subgroups, including in both BRAF mutant and BRAF wild-type patients.

Nivolumab demonstrated an 18-month RFS rate of 66.4% (95% confidence interval [CI], 61.8–70.6) compared with 52.7% for ipilimumab (95% CI, 47.8–57.4), with the median RFS not yet reached in either group. Nivolumab reduced the risk of disease recurrence by 35% versus ipilimumab (hazard ratio [HR], 0.65; 95% CI, 0.53–0.80; P < 0.0001).

Nivolumab received breakthrough therapy designation from the FDA for the adjuvant treatment of patients with high-risk, fully resected melanoma in September 2017. Approximately three in every 10 patients with stage III melanoma receive adjuvant therapy after surgery. Even with available treatment options, the majority of stage IIIB and IIIC melanoma patients (71% and 85%, respectively) experience disease recurrence within five years.

Nivolumab injection for intravenous use is the first programmed death-1 immune checkpoint inhibitor to demonstrate superiority, including better tolerability, versus ipilimumab, a standard of care in this patient population. Based on data from the CheckMate -238 trial, the National Comprehensive Cancer Network recently added nivolumab to its treatment guidelines for completely resected stage IIIB/C melanoma and completely resected stage III melanoma with clinical satellite or in-transit metastases.

In CheckMate -238, adverse events (AEs) leading to discontinuation were reported in 9% of nivolumab-treated patients (44/452) and in 42% of ipilimumab-treated patients (193/453). Adverse reactions leading to one or more omitted doses occurred in 28% of patients who received nivolumab. Grade 3 or 4 AEs were experienced by 25% of patients (115/452) in the nivolumab group and 55% of patients (250/453) in the ipilimumab group. Serious adverse reactions occurred in 18% of patients treated with nivolumab.

“With its impressive efficacy and broad applicability within stage III and IV melanoma, nivolumab has the potential to become the next standard of care in preventing recurrence of melanoma following surgical resection,” said Jeffrey S. Weber, M.D., Ph.D., deputy director of the Laura and Isaac Perlmutter Cancer Center at NYU Langone Health, and Professor of Medicine at NYU School of Medicine.

Source: Bristol-Myers Squibb; December 20, 2017.

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