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Greenwich LifeSciences Provides Update on Open Label HLA Data from FLAMINGO-01
STAFFORD, Texas, Feb. 10, 2025 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company
About this update from Greenwich Lifesciences, Inc.
[{"type":"text","content":"STAFFORD, Texas, Feb. 10, 2025 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the \"Company\"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating GLSI-100, an immunotherapy to prevent breast cancer recurrences, today announced the following update on FLAMINGO-01 open label HLA data. Analysis of the open label data from FLAMINGO-01 has commenced and has been conducted in a manner that maintains the study blind. A preliminary review of FLAMINGO-01 HLA data in both the HLA-A*02 treated and placebo arms and the third open label arm with all other HLA types, shows that approximately 46% of all screened patients have at least one HLA-A*02 allele from either parent. The main purpose of the open label arm is to investigate the safety and efficacy of GLSI-100 vaccination in patients who do not have an HLA-A*02 allele. It is possible that the open label arm may be large enough to draw immune response and efficacy conclusions. As discussed below, the HLA type can be analyzed by race and ethnicity in those patients who self-reported such information. CEO Snehal Patel commented, \"The review of open label data and the ability to look at multiple patient populations in the Phase III trial will be much greater than was possible in the Phase IIb trial. The HLA-A*02 prevalence of 46% in all screened patients meets our expectations of 40-50% prevalence and supports our sample size estimates for the trial and the interim analysis. We are also interested in studying the 8% of patients who have received HLA-A*02 alleles from both parents, as the mechanism of action in these double HLA-A*02 patients could lead to greater immune response and efficacy.\" Mr. Patel further added, \"There may be other subgroups of HLA types that can be analyzed in addition to the main arms. Approximately 92% of the patients that are in the HLA-A*02 arms have a second HLA-A type from the other parent that is not HLA-A*02 and could be any of 6 or more other prevalent HLA-A types. We can compare these HLA combinations against each other for immune response and clinical outcome, which could allow for subgroup analysis of HLA-A combinations. The prevalence of various HLA-A types by race or ethnicity may also help to inform the Company in its initial commercial development strategy by suggesti...