Nivolumab, BMS-936558 in Combination with Relatlimab, BMS-986016 in Patients with Metastatic Melanoma Naïve to Prior Immunotherapy in the Metastatic Setting

A Phase II Study of Anti-PD1 Monoclonal Antibody (Nivolumab, BMS-936558) Administered in Combination with Anti-LAG3 Monoclonal Antibody (Relatlimab, BMS-986016) in Patients with Metastatic Melanoma Naïve to Prior Immunotherapy in the Metastatic Setting

The main goal of this study is to evaluate the antitumor activity of relatlimab and nivolumab in combination in subjects with unresectable or metastatic melanoma who have not received prior treatment with immunotherapy.

This study will evaluate the antitumor activity of anti-LAG3 monoclonal antibody relatlimab and the anti-PD1 monoclonal antibody nivolumab in combination in subjects with unresectable or metastatic melanoma who have not received prior treatment with immunotherapy. The trial is designed with a lead-in phase of 2 cycles (4 week) treatment of either nivolumab, relatlimab, or the combination of nivolumab/relatlimab, followed by a combination phase of nivolumab/relatlimab treatment in all subjects. This lead-in design with accompanying tumor biopsies and peripheral blood analyses will enable mechanistic analyses of the effect of LAG3 and PD1 blockade alone and in combination to enhance understanding of mechanisms of response and resistance. Duration of response, progression free survival, and safety will be assessed as secondary objectives.

Inclusion Criteria:

• Men or women 18 years of age or older meeting AJCC 8th edition criteria for unresectable stage IIIB, stage IIIC, stage IIID, or stage IV melanoma who have not received treatment with immunotherapy in the metastatic setting

Exclusion Criteria:

• Known or suspected CNS metastases, with the following exceptions:

  • Subjects with controlled brain metastases will be allowed to enroll. Controlled brain metastases are defined as no radiographic progression for at least 4 weeks following radiation and/or surgical treatment at the time of consent. Subjects must be off steroids for at least 2 weeks prior to randomization.
  • Subjects with signs or symptoms of brain metastases are not eligible unless brain metastases are ruled out by computed tomography or magnetic resonance imaging.

• Active autoimmune disease requiring treatment, with the exception of type 1 diabetes mellitus, vitiligo, resolved childhood asthma/atopy, controlled hyper/hypothyroidism, hypoadrenalism or hypopituitarism.

• Prior systemic treatment in the metastatic setting, including anti-PD1, anti-PDL1, anti-PDL2, anti-CTLA-4 antibody, or any other antibody or drug specifically targeting T-cell costimulation or immune checkpoint pathways; or chemotherapy.

• Prior adjuvant treatment with anti-PD1, anti-PDL1, and/or anti-LAG3 antibody. Note that prior adjuvant treatment with targeted therapy (e.g. BRAF/MEK inhibition), anti-CTLA4, or treatment not otherwise specified above would be permitted.

• Ocular melanoma