Longer follow-up confirms recurrence-free survival benefit of adjuvant pembrolizumab in high-risk stage III melanoma: updated results from the EORTC 1325-MG/KEYNOTE-054 trial
Authors
Eggermont, A. M. M.Blank, C. U.
Mandala, M.
Long, G. V.
Atkinson, V. G.
Dalle, S.
Haydon, A. M.
Meshcheryakov, A.
Khattak, A.
Carlino, M. S.
Sandhu, S.
Larkin, J.
Puig, S.
Ascierto, P. A.
Rutkowski, P.
Schadendorf, D.
Koornstra, R.
Hernandez-Aya, L.
Di Giacomo, A. M.
van den Eertwegh, A. J. M.
Grob, J. J.
Gutzmer, R.
Jamal, R.
Lorigan, Paul C
van Akkooi, ACJ
Krepler, C.
Ibrahim, N.
Marreaud, S.
Kicinski, M.
Suciu, S.
Robert, C.
Affiliation
Princess Máxima Center, Utrecht, the Netherlands.Issue Date
2020
Metadata
Show full item recordAbstract
Purpose: We conducted the phase III double-blind European Organisation for Research and Treatment of Cancer (EORTC) 1325/KEYNOTE-054 trial to evaluate pembrolizumab versus placebo in patients with resected high-risk stage III melanoma. On the basis of 351 recurrence-free survival (RFS) events at a 1.25-year median follow-up, pembrolizumab prolonged RFS (hazard ratio [HR], 0.57; P < .0001) compared with placebo. This led to the approval of pembrolizumab adjuvant treatment by the European Medicines Agency and US Food and Drug Administration. Here, we report an updated RFS analysis at the 3.05-year median follow-up. Patients and methods: A total of 1,019 patients with complete lymph node dissection of American Joint Committee on Cancer Staging Manual (seventh edition; AJCC-7), stage IIIA (at least one lymph node metastasis > 1 mm), IIIB, or IIIC (without in-transit metastasis) cutaneous melanoma were randomly assigned to receive pembrolizumab at a flat dose of 200 mg (n = 514) or placebo (n = 505) every 3 weeks for 1 year or until disease recurrence or unacceptable toxicity. The two coprimary end points were RFS in the overall population and in those with programmed death-ligand 1 (PD-L1)-positive tumors. Results: Pembrolizumab (190 RFS events) compared with placebo (283 RFS events) resulted in prolonged RFS in the overall population (3-year RFS rate, 63.7% v 44.1% for pembrolizumab v placebo, respectively; HR, 0.56; 95% CI, 0.47 to 0.68) and in the PD-L1-positive tumor subgroup (HR, 0.57; 99% CI, 0.43 to 0.74). The impact of pembrolizumab on RFS was similar in subgroups, in particular according to AJCC-7 and AJCC-8 staging, and BRAF mutation status (HR, 0.51 [99% CI, 0.36 to 0.73] v 0.66 [99% CI, 0.46 to 0.95] for V600E/K v wild type). Conclusion: In resected high-risk stage III melanoma, pembrolizumab adjuvant therapy provided a sustained and clinically meaningful improvement in RFS at 3-year median follow-up. This improvement was consistent across subgroups.Citation
Eggermont AMM, Blank CU, Mandala M, Long GV, Atkinson VG, Dalle S, et al. Longer Follow-Up Confirms Recurrence-Free Survival Benefit of Adjuvant Pembrolizumab in High-Risk Stage III Melanoma: Updated Results From the EORTC 1325-MG/KEYNOTE-054 Trial. J Clin Oncol. 2020:JCO2002110.Journal
Journal of Clinical OncologyDOI
10.1200/jco.20.02110PubMed ID
32946353Additional Links
https://dx.doi.org/10.1200/jco.20.02110Type
ArticleLanguage
enae974a485f413a2113503eed53cd6c53
10.1200/jco.20.02110
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