Core Viewpoint - Greenwich LifeSciences, Inc. is advancing its Phase III clinical trial, FLAMINGO-01, for GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences, while also updating on its cash burn rate and financing strategy [1][2]. Financial Updates - The Company raised more than its 2025 cash burn rate of approximately $9.5 million through its ATM financing, resulting in a year-end cash balance of approximately $6 million as of December 31, 2025 [2]. - As of January 23, 2026, the cash balance increased to approximately $12.5 million after raising about $7 million in the first three weeks of January 2026 [2]. - The current cash balance may cover the Company's cash needs for all of 2026, considering the projected increase in cash needs over the previous years [3]. Clinical Trial Progress - FLAMINGO-01 has screened over 1,000 patients, with a current screening rate of approximately 600 patients per year [4]. - The non-HLA-A*02 arm is fully enrolled, with 250 patients receiving GLSI-100, which represents a significant increase in treated patients compared to the Phase IIb trial [4]. - Preliminary analysis indicates an approximately 80% reduction in recurrence rates after the Primary Immunization Series (PIS) is completed, aligning with Phase IIb trial results [7]. Immunotherapy Details - GLSI-100 is designed to elicit a potent immune response, with the PIS involving six injections over the first six months, followed by five booster injections every six months [4][13]. - The safety profile and immune response trends in non-HLA-A*02 patients are similar to those observed in HLA-A*02 patients from the FLAMINGO-01 trial and the Phase IIb study [7]. Future Financing Strategy - The Company plans to continue using the ATM to sustain or grow its cash balance, potentially reducing the need for large financing in the near term [3]. - Continued use of the ATM may facilitate access to non-dilutive funding options, such as strategic partnerships or debt financing, to support FLAMINGO-01 and future commercial activities [3].

Core Insights - Biotech shares experienced significant movements in after-hours trading, with Sarepta Therapeutics leading due to anticipated trial data and other companies benefiting from recent clinical and regulatory updates [1] Company Summaries - Sarepta Therapeutics Inc. (SRPT) saw a surge of 9.65% to $23.17, driven by anticipation for a webcast on January 26, 2026, where three-year topline results from its Phase 3 trial of ELEVIDYS for Duchenne muscular dystrophy will be presented, potentially pivotal for its gene therapy program [2] - Fractyl Health, Inc. (GUTS) increased by 7.66% to $2.25, indicating speculative interest despite no new company news, suggesting momentum-driven trading [3] - Greenwich LifeSciences, Inc. (GLSI) advanced 2.08% to $26.00 following FDA approval of the first commercial lot of GP2 vials for the FLAMINGO-01 trial, marking a significant step in its commercialization efforts with the potential to prepare approximately 200,000 doses [4] - Anebulo Pharmaceuticals, Inc. (ANEB) rose 8.41% to $1.16, attracting buyers despite no new updates, reflecting investor interest [5] - OmniAb, Inc. (OABI) gained 4.59% to $2.05, similar to Anebulo, indicating broader investor interest in the biotech sector without fresh news [6] - Trevi Therapeutics, Inc. (TRVI) added 3.40% to $10.33 after publishing results from its Phase 2b CORAL trial in a peer-reviewed journal, enhancing credibility and investor enthusiasm [7] - AEON Biopharma, Inc. (AEON) edged up 1.80% to $1.13, confirming a meeting with the FDA and securing shareholder approval for financing transactions, simplifying its capital structure ahead of a second PIPE financing closing expected around January 27, 2026 [8]

Core Viewpoint Greenwich LifeSciences, Inc. has made significant progress in its Phase III clinical trial, FLAMINGO-01, for GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences, with the FDA approving the first commercial lot of GP2 for use in the trial, which is a crucial step towards filing a Biological License Application (BLA) in the US. Group 1: Clinical Trial Updates - The first three commercial lots of GP2 were manufactured in 2023, capable of preparing approximately 200,000 doses [2] - The first commercial lot of GP2 vials has been approved for use in FLAMINGO-01 in the US [2][3] - More than 1,000 patients have been screened in FLAMINGO-01, with a current screening rate of approximately 600 patients per year [5] Group 2: Manufacturing and Regulatory Progress - The company plans to start using the new GP2 vials at all 40 US sites in the coming weeks [3] - The submission of commercial manufacturing data for three lots is critical for the BLA filing in the US and other countries [4] - At least two more lots of finished GP2 product will be manufactured to support clinical and manufacturing data review by the FDA [4] Group 3: Efficacy and Safety Data - Preliminary analysis shows an approximately 80% reduction in recurrence rates after the Primary Immunization Series (PIS) in the non-HLA-A*02 arm of FLAMINGO-01 [6] - The immune response and safety profile of non-HLA-A*02 patients are trending similarly to HLA-A*02 arms and the Phase IIb study [6] - The Phase IIb trial demonstrated an 80% or greater reduction in cancer recurrences in HER2/neu 3+ patients treated with GLSI-100 [8] Group 4: Future Plans and Market Potential - The company aims to conduct FLAMINGO-01 at 150 leading clinical sites in the US and Europe, facilitating a smooth transition to product launch if GLSI-100 is approved [5] - The trial is designed to detect a hazard ratio of 0.3 in invasive breast cancer-free survival, with an interim analysis planned when at least 14 events have occurred [9] - The company is preparing to submit the same manufacturing data to regulatory agencies in Europe, the UK, and Canada [5]

Core Viewpoint - Greenwich LifeSciences, Inc. has announced an extension of the lock-up period for shares owned by its directors, officers, and pre-IPO investors to September 30, 2026, to align interests with long-term investors and support the ongoing Phase III clinical trial, FLAMINGO-01, for its immunotherapy GLSI-100 aimed at preventing breast cancer recurrences [1][2] Group 1: Lock-Up Extension - The lock-up period for shares owned by directors, officers, and pre-IPO investors has been extended to approximately 72 months from the IPO date [1] - The Board of Directors retains the authority to modify the lock-up terms and implement a leak-out plan for share sales after the lock-up period [2] Group 2: FLAMINGO-01 Clinical Trial - FLAMINGO-01 is a Phase III clinical trial evaluating GLSI-100 in HER2 positive breast cancer patients, with over 1,000 patients screened and a current screening rate of about 600 patients per year [3][7] - The trial includes a fully enrolled non-HLA-A*02 arm with 250 patients receiving GLSI-100, which has shown a recurrence rate reduction similar to the Phase IIb trial results [3][6] - The trial aims to detect a hazard ratio of 0.3 in invasive breast cancer-free survival, requiring 28 events for analysis [7] Group 3: Clinical Data and Efficacy - Preliminary data from the FLAMINGO-01 trial indicates an approximately 80% reduction in recurrence rates after the Primary Immunization Series (PIS) [6] - The Phase IIb trial demonstrated an 80% or greater reduction in cancer recurrences among HER2/neu 3+ patients treated with GLSI-100 after 5 years of follow-up [5][11] - The immune response and safety profile in the non-HLA-A*02 arm are trending similarly to the HLA-A*02 arm and Phase IIb study results [6]

Core Viewpoint - Greenwich LifeSciences, Inc. is advancing its Phase III clinical trial, FLAMINGO-01, for GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences, with updates on clinical, financing, and partnering strategies [1][2]. Clinical Strategy - The FLAMINGO-01 clinical strategy is evolving to reduce risk and enhance marketing approval chances, supported by financing strategies and cost reduction activities [2] - Approximately 140 sites are currently enrolling patients, with plans to activate an additional 10 sites in 2026 and expand to more EU countries [2] - The study has shifted from principal investigator interest to patient-driven interest, with wait lists forming at certain sites [2] - Discussions are ongoing with clinical sites in the UK and Canada for potential study participation, pending regulatory approvals [2] Financing Strategy - The company is utilizing an At-The-Market (ATM) financing strategy to manage its burn rate, which was approximately $7 million annually in 2023 and 2024 [2] - The burn rate for the first three quarters of 2025 remains around $7 million, indicating a gradual increase but not substantial due to cost-saving initiatives [2] - The upfront costs of clinical expenses are expected to decrease after the initial six months of vaccinations, as booster shots will be administered every six months [2] Partnering Strategy - The company is actively attending partnering conferences to explore collaborations with larger pharmaceutical companies in the breast cancer drug market [2] - Patent filings for GLSI-100 are expected to strengthen its patent portfolio, enhancing its market position [2] FLAMINGO-01 Data Monitoring - The Data Safety Monitoring Board (DSMB) has recommended continuing the FLAMINGO-01 study without modifications, indicating confidence in the current trial design [3] - The Steering Committee has endorsed planned modifications to the study, pending regulatory approval [3] Open Label Phase III Data - Over 1,000 patients have been screened, with a current screening rate of approximately 600 patients per year [4] - The non-HLA-A*02 arm is fully enrolled with 250 patients, significantly increasing the treated patient data compared to the Phase IIb trial [4] - The Primary Immunization Series (PIS) consists of six initial injections followed by five booster injections every six months to maintain immune response [4] Preliminary Analysis - Preliminary analysis shows an approximately 80% reduction in recurrence rates in the non-HLA-A*02 arm after completing the PIS, aligning with Phase IIb trial results [7] - The immune response and safety profile in the non-HLA-A*02 patients are trending similarly to the HLA-A*02 arms of FLAMINGO-01 [7] About GLSI-100 - GLSI-100 is designed for HER2 positive breast cancer patients who have undergone surgery, with the trial led by Baylor College of Medicine and plans to expand to 150 sites globally [9] - The trial aims to detect a hazard ratio of 0.3 in invasive breast cancer-free survival, requiring 28 events for analysis [9]

Core Insights - Greenwich LifeSciences, Inc. announced an approximately 80% reduction in breast cancer recurrence rates in the non-HLA-A*02 arm of its Phase III clinical trial, FLAMINGO-01 [1][4][7] Group 1: Clinical Trial Results - The open label non-HLA-A*02 arm of FLAMINGO-01 showed an 80% reduction in recurrence rates compared to historical data from the Katherine study, which reported recurrence rates of about 3.5-4% per year [4][5] - The trial included 250 non-HLA-A*02 patients, significantly larger than the approximately 50 patients in the Phase IIb trial, allowing for more robust data [4] - The immune response and safety profile in non-HLA-A*02 patients are trending similarly to those in the HLA-A*02 arms of FLAMINGO-01 and the Phase IIb study [2][7] Group 2: Immunization Series - The Primary Immunization Series (PIS) consists of 6 GLSI-100 injections over the first 6 months, followed by 5 booster injections every 6 months to enhance long-term immune response [3] - The data suggests that peak immunity is achieved after the completion of the PIS, leading to an 80% reduction in recurrence rates compared to the initial 6 months of vaccination [5] Group 3: Future Directions - The company plans to continue treating non-HLA-A*02 patients in a placebo-controlled manner within the study, with ongoing data analysis and potential updates [7] - FLAMINGO-01 is designed to evaluate the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients, with plans to expand to 150 clinical sites globally [9]

Core Viewpoint - Greenwich LifeSciences, Inc. is making significant progress in its Phase III clinical trial, FLAMINGO-01, aimed at evaluating GLSI-100, an immunotherapy for preventing breast cancer recurrences [1][2]. Group 1: FLAMINGO-01 Progress - The company has screened over 1,000 patients in the FLAMINGO-01 trial, maintaining a screening rate of approximately 150 patients per quarter, equating to 600 patients annually across 140 active sites [2][3]. - The company is considering a strategy to continue enrolling patients in both HLA-A*02 and non-HLA-A*02 arms until interim analyses are conducted [2]. Group 2: Clinical Trial Details - FLAMINGO-01 is designed to evaluate the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients who have residual disease or high-risk pathologic complete response after surgery [4]. - The trial will randomize approximately 500 HLA-A*02 patients to receive either GLSI-100 or a placebo, with an additional arm for up to 250 patients of other HLA types [4]. - An interim analysis for superiority and futility will be conducted after at least 14 events have occurred, with the trial designed to detect a hazard ratio of 0.3 in invasive breast cancer-free survival [4]. Group 3: Company Overview - Greenwich LifeSciences is focused on developing GP2, an immunotherapy aimed at preventing breast cancer recurrences in patients post-surgery [6]. - The company is actively expanding its clinical trial sites, with plans to open up to 150 sites globally [4].

Core Insights - Greenwich LifeSciences, Inc. is expanding its Phase III clinical trial FLAMINGO-01 to Austria, which is aimed at evaluating GLSI-100, an immunotherapy for preventing breast cancer recurrences [1][2] Company Overview - Greenwich LifeSciences is a clinical-stage biopharmaceutical company focused on developing GP2, an immunotherapy targeting breast cancer recurrences in patients post-surgery [6] - The company has initiated the FLAMINGO-01 trial, which is designed to assess the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients [4][6] Clinical Trial Details - FLAMINGO-01 is a Phase III trial that includes sites in the US and Europe, with plans to expand to 150 sites globally [4] - The trial will randomize approximately 500 HLA-A*02 patients to receive either GLSI-100 or a placebo, with an additional arm for up to 250 patients of other HLA types [4] - The trial aims to detect a hazard ratio of 0.3 in invasive breast cancer-free survival, requiring 28 events for analysis [4] Market Context - In Austria, breast cancer is the most common cancer among women, accounting for about 28% of all female cancers, with 6,070 new cases diagnosed in 2022 [3] - Breast cancer was the leading cause of cancer-related deaths in women in Austria, with 1,789 deaths reported in 2022 [3] Collaboration and Expansion - The company is collaborating with principal investigators at Ordensklinikum Linz in Upper Austria, with plans to activate this site within the year and explore additional sites in Vienna and Salzburg [4]

Core Viewpoint - Greenwich LifeSciences, Inc. is expanding its Phase III clinical trial, FLAMINGO-01, to Belgium, which aims to evaluate GLSI-100, an immunotherapy for preventing breast cancer recurrences [1][2]. Group 1: Clinical Trial Expansion - The FLAMINGO-01 trial has received formal approval from European regulators to include Belgium, adding to its existing sites in Spain, France, Germany, Italy, Poland, Romania, Ireland, Portugal, and the US [2]. - The trial is led by Baylor College of Medicine and plans to open up to 150 sites globally, with a focus on university-based hospitals and academic networks [5]. Group 2: Breast Cancer Statistics in Belgium - In 2022, Belgium reported 11,366 new cases of breast cancer, making it the most common cancer among women, accounting for approximately 33% of all female cancers [3]. - Breast cancer was the leading cause of cancer-related deaths in women in Belgium, with 2,324 deaths recorded in 2022 [3]. Group 3: Principal Investigator and Collaboration - The company is collaborating with Dr. Patrick Neven, a prominent figure in breast oncology, who will serve as the national principal investigator for FLAMINGO-01 in Belgium [4]. - Dr. Neven has extensive experience in clinical trials and has published over 300 peer-reviewed papers, contributing significantly to breast cancer research [4]. Group 4: Trial Design and Objectives - FLAMINGO-01 is designed to evaluate the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients who have completed neoadjuvant and postoperative adjuvant trastuzumab-based treatment [5]. - The trial aims to detect a hazard ratio of 0.3 in invasive breast cancer-free survival, requiring 28 events for analysis, with an interim analysis planned after 14 events [5].

Core Insights - Greenwich LifeSciences, Inc. is expanding its Phase III clinical trial, FLAMINGO-01, to Portugal, focusing on GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences [1][2] Group 1: Clinical Trial Expansion - The FLAMINGO-01 trial has received formal approval from European regulators to include Portugal, joining other countries such as Spain, France, Germany, Italy, Poland, Romania, Ireland, and the US [2] - The trial is designed to evaluate the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients who have completed neoadjuvant and postoperative adjuvant trastuzumab-based treatment [5] Group 2: Breast Cancer Statistics in Portugal - In 2022, there were 9,065 new cases of breast cancer diagnosed in Portugal, making it the most common cancer among women, accounting for approximately 30% of all cancers in this demographic [3] - Breast cancer was the leading cause of cancer-related deaths in women in Portugal, with 2,211 deaths reported in 2022 [3] Group 3: Principal Investigator and Collaboration - Dr. Luís António Marques da Costa has been appointed as the national principal investigator for FLAMINGO-01 in Portugal, bringing extensive experience in oncology and clinical trials [4] - The CEO of Greenwich LifeSciences expressed enthusiasm for collaborating with Dr. Costa and his team, indicating ongoing efforts to activate clinical trial sites in Lisbon and other regions of Portugal [5] Group 4: Trial Design and Objectives - FLAMINGO-01 aims to randomize approximately 500 HLA-A*02 patients to receive either GLSI-100 or a placebo, with an additional arm for up to 250 patients of other HLA types [5] - The trial is designed to detect a hazard ratio of 0.3 in invasive breast cancer-free survival, requiring 28 events for analysis, with an interim analysis planned once 14 events have occurred [5]