The purpose of this study is to determine the objective response of GB1211 and pembrolizumab versus pembrolizumab and placebo in patients with advance metastatic melanoma or head and neck squamous cell carcinoma.
Patients with unresectable or metastatic melanoma including unknown primary or mucosal melanomas. Histological confirmation of melanoma will be required by previous biopsy or cytology. Patients with recurrent or metastatic head and neck squamous cell carcinoma (HNSCC) with disease progression during or after platinum-containing chemotherapy are eligible. PD-L1 testing is not needed for OHN cancers.
Patients who have received anti-PD1 or anti-PD-L1 in the past are eligible if it has been at least 6 months since the last anti-PD-1 or PD-L1 dose, they meet all other eligibility criteria and progression of malignancy has been documented on imaging. Progression for this patient subset is defined as the appearance of one or more new metastatic sites, or a 5% or greater increase in the sum of diameter of target lesions or an unequivocal increase in non-target site. Treatment naïve melanoma patients are eligible.
Patients must be ≥ 18 years of age.
ECOG performance status of 0-2.
Patients who have previously received a galectin antagonist.
Patients with active autoimmune disease except for autoimmune thyroiditis or vitiligo.
Patients with history of autoimmune colitis.
Patients with untreated brain metastases. Patients with treated brain metastases who demonstrate control of brain metastases with follow-up imaging 4 or more weeks after initial therapy are eligible.
Providence Health & Services
Lead sponsor
Providence Cancer Center
Collaborator
Providence Cancer Center, Earle A. Chiles Research Institute
Collaborator
Galecto Biotech AB
Collaborator