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Neoadjuvant relatlimab and nivolumab in resectable melanoma.


ABSTRACT: Relatlimab and nivolumab combination immunotherapy improves progression-free survival over nivolumab monotherapy in patients with unresectable advanced melanoma1. We investigated this regimen in patients with resectable clinical stage III or oligometastatic stage IV melanoma (NCT02519322). Patients received two neoadjuvant doses (nivolumab 480 mg and relatlimab 160 mg intravenously every 4 weeks) followed by surgery, and then ten doses of adjuvant combination therapy. The primary end point was pathologic complete response (pCR) rate2. The combination resulted in 57% pCR rate and 70% overall pathologic response rate among 30 patients treated. The radiographic response rate using Response Evaluation Criteria in Solid Tumors 1.1 was 57%. No grade 3-4 immune-related adverse events were observed in the neoadjuvant setting. The 1- and 2-year recurrence-free survival rate was 100% and 92% for patients with any pathologic response, compared to 88% and 55% for patients who did not have a pathologic response (P = 0.005). Increased immune cell infiltration at baseline, and decrease in M2 macrophages during treatment, were associated with pathologic response. Our results indicate that neoadjuvant relatlimab and nivolumab induces a high pCR rate. Safety during neoadjuvant therapy is favourable compared to other combination immunotherapy regimens. These data, in combination with the results of the RELATIVITY-047 trial1, provide further confirmation of the efficacy and safety of this new immunotherapy regimen.

SUBMITTER: Amaria RN 

PROVIDER: S-EPMC9607737 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Neoadjuvant relatlimab and nivolumab in resectable melanoma.

Amaria Rodabe N RN   Postow Michael M   Burton Elizabeth M EM   Tetzlaff Michael T MT   Ross Merrick I MI   Torres-Cabala Carlos C   Glitza Isabella C IC   Duan Fei F   Milton Denái R DR   Busam Klaus K   Simpson Lauren L   McQuade Jennifer L JL   Wong Michael K MK   Gershenwald Jeffrey E JE   Lee Jeffrey E JE   Goepfert Ryan P RP   Keung Emily Z EZ   Fisher Sarah B SB   Betof-Warner Allison A   Shoushtari Alexander N AN   Callahan Margaret M   Coit Daniel D   Bartlett Edmund K EK   Bello Danielle D   Momtaz Parisa P   Nicholas Courtney C   Gu Aidi A   Zhang Xuejun X   Korivi Brinda Rao BR   Patnana Madhavi M   Patel Sapna P SP   Diab Adi A   Lucci Anthony A   Prieto Victor G VG   Davies Michael A MA   Allison James P JP   Sharma Padmanee P   Wargo Jennifer A JA   Ariyan Charlotte C   Tawbi Hussein A HA  

Nature 20221026 7934


Relatlimab and nivolumab combination immunotherapy improves progression-free survival over nivolumab monotherapy in patients with unresectable advanced melanoma<sup>1</sup>. We investigated this regimen in patients with resectable clinical stage III or oligometastatic stage IV melanoma (NCT02519322). Patients received two neoadjuvant doses (nivolumab 480 mg and relatlimab 160 mg intravenously every 4 weeks) followed by surgery, and then ten doses of adjuvant combination therapy. The primary end  ...[more]

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