Greenwich LifeSciences, Inc. engages in the development of a breast cancer immunotherapy designed to prevent the recurrence of breast cancer following surgery. The company was founded by Eric Rothe on August 29, 2006 and is headquartered in Stafford, TX.
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- Stony Brook University Hospital is the only Long Island site participating in the worldwide FLAMINGO-01 phase 3 clinical trial testing a breast cancer vaccine for HER2-positive patients. - The vaccine from Greenwich LifeSciences has demonstrated an 80% or greater reduction in metastatic breast cancer recurrence over 5 years, compared to no more than 50% reduction from other approved products. - The treatment works by injecting patients with a piece of the HER2 protein combined with an immune adjuvant to stimulate the patient's immune system to fight cancer. - If successful, the vaccine could become the standard of care for HER2-positive breast cancer patients, potentially reducing recurrence rates from 25% to 10% per 100 patients treated.
- Greenwich LifeSciences has completed enrollment of 250 patients in the non-HLA-A*02 arm of its Phase III FLAMINGO-01 trial evaluating GLSI-100 immunotherapy for preventing breast cancer recurrence. - The company has screened over 1,000 patients across 140 active sites globally, maintaining a screening rate of approximately 150 patients per quarter. - Preliminary analysis suggests promising trends in immune response and safety profiles similar to previous Phase IIb results, where breast cancer recurrences were reduced by up to 80%. - The non-HLA-A*02 patient population could potentially double the eligible patient pool to approximately 88,000 new patients annually with an estimated market potential of $8-10 billion per year.
- Greenwich LifeSciences received European regulatory approval to expand its Phase III FLAMINGO-01 clinical trial to Ireland, adding to a global network of 150 trial sites across seven countries. - The trial evaluates GLSI-100 immunotherapy in HER2-positive breast cancer patients with residual disease or high-risk pathologic complete response after surgery and trastuzumab treatment. - Ireland diagnosed 3,723 new breast cancer cases in 2022, representing 30% of all cancers in women and the second leading cause of cancer death with 883 deaths. - Dr. Janice Walshe from St Vincent's University Hospital in Dublin will serve as national principal investigator, bringing extensive experience in international breast cancer trials.
- Greenwich LifeSciences' GLSI-100 immunotherapy received FDA Fast Track designation on September 10, 2025, for treating HLA-A02-positive HER2-positive breast cancer patients. - The designation enables expedited regulatory review and rolling BLA submissions, potentially compressing development timelines by up to 30%. - Phase IIb data demonstrated greater than 80% reduction in metastatic recurrence over five years, significantly outperforming existing therapies. - The ongoing Phase III FLAMINGO-01 trial is enrolling 750 patients across 117 global sites, targeting a $13.4 billion HER2-positive breast cancer market by 2030.
- Greenwich LifeSciences announced that the FDA has granted Fast Track designation for GLSI-100, an immunotherapy designed to prevent breast cancer recurrences in HLA-A*02 patients with HER2-positive breast cancer. - The designation enables more frequent FDA communication and potential rolling review of the Biologic License Application, potentially accelerating approval timelines for the investigational treatment. - Previous Phase IIb data demonstrated an 80% or greater reduction in metastatic breast cancer recurrence rates over 5 years compared to placebo in HER2/neu 3+ patients. - The company is currently conducting FLAMINGO-01, a Phase III trial designed to evaluate GLSI-100's safety and efficacy in approximately 750 patients across up to 150 global sites.
- Greenwich LifeSciences is conducting FLAMINGO-01, a Phase III trial evaluating GLSI-100 immunotherapy to prevent breast cancer recurrences in HER2-positive patients with residual disease. - The global trial, led by Baylor College of Medicine, plans to enroll up to 750 patients across 150 sites and is designed to detect a 70% reduction in recurrence risk. - GLSI-100 targets the HER2 protein expressed in 75% of breast cancers, addressing a significant unmet need among approximately 300,000 new breast cancer patients annually in the U.S. - Noble Capital Markets has initiated equity research coverage on the company, highlighting the clinical and commercial potential of this novel immunotherapy approach.
- Greenwich LifeSciences is transitioning from external Clinical Research Organizations to an internal clinical trial management team for its Phase III FLAMINGO-01 study to reduce costs and improve efficiency. - The strategic shift aims to lower the company's baseline burn rate while enhancing data quality and site monitoring capabilities for the breast cancer immunotherapy trial. - The internal team expansion positions Greenwich to potentially conduct multiple simultaneous trials and manage additional pipeline indications or in-licensed drug candidates more cost-effectively. - FLAMINGO-01 is evaluating GLSI-100 immunotherapy in HER2-positive breast cancer patients, with plans to enroll approximately 750 patients across up to 150 global sites.
- Initial analysis of FLAMINGO-01 trial reveals 46% of screened patients carry at least one HLA-A*02 allele, a crucial factor for GLSI-100 breast cancer vaccine treatment. - The trial's open-label arm studying non-HLA-A*02 patients has been expanded from 100 to 250 participants following FDA and EMA approval. - The Phase III trial design includes approximately 500 HLA-A*02 positive patients in randomized arms, with an additional open-label arm to investigate vaccine efficacy in other HLA types.
- Greenwich LifeSciences broadens its Phase III FLAMINGO-01 trial for GLSI-100, an immunotherapy aimed at preventing breast cancer recurrence, by adding new clinical sites in the U.S. and Europe. - The trial expands into France through a partnership with Unicancer, activating 19 sites, and collaborates with GBG in Germany, adding approximately 38 sites to the study. - Harvard and Johns Hopkins join the trial in the U.S., with principal investigators Dr. Laura Spring and Dr. Cesar Santa-Maria joining the Steering Committee. - EMA approves the addition of 11 sites in Spain, Germany, and Poland, potentially activating 110-115 sites in Europe, with plans to expand to Ireland, Romania, and other countries.
- MAIA Biotechnology's lead candidate, THIO, is currently in Phase II clinical trials, evaluating its potential in treating patients with non-small cell lung cancer. - Recent SEC filings reveal that Geode Capital Management LLC increased its stake in MAIA Biotechnology by 22.9% during the third quarter, indicating growing investor confidence. - Greenwich LifeSciences' GP2 immunotherapy is in Phase III clinical trials, aimed at preventing breast cancer recurrences in patients post-surgery. - Institutional investors and hedge funds have shown increased interest in Greenwich LifeSciences, with Geode Capital Management LLC raising its position by 4.6%.
