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TG Therapeutics Announces Data Presentations at the 15th International Conference on Malignant Lymphoma | ||
By: Nasdaq / GlobeNewswire - 20 Jun 2019 | Back to overview list |
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Phase 2 study of umbralisib monotherapy in BTK/PI3K-delta Intolerant CLL reports an estimated median progression-free survival (PFS) of 23.5 months (n=50) Phase 1/2 study of U2 + Pembrolizumab reports 83% (5 of 6) ORR in BTK refractory CLL patients, with 4 of 5 responders achieving a response to U2 alone prior to introduction of pembrolizumab NEW YORK, June 20, 2019 (GLOBE NEWSWIRE) -- TG Therapeutics, Inc. (NASDAQ: TGTX), today announced data from four presentations, including three oral presentations and one poster presentation, at the 15th International Conference on Malignant Lymphoma (ICML), being held in Lugano, Switzerland. Highlights from all presentations are included below. Michael S. Weiss, the Company's Executive Chairman and Chief Executive Officer, stated, “We are excited by the data presented today evaluating umbralisib in patients intolerant to currently approved BTK or PI3K therapies. We believe the data presented continue to show that there are many patients in need of alternative treatment options for whom umbralisib can provide meaningful benefit.” Mr. Weiss continued, “We are also pleased to present data from the combination of ublituximab + umbralisib (“U2”) plus pembrolizumab in patients with relapsed/refractory CLL and Richter’s transformation. It was encouraging to see that 5 of 6 BTK refractory patients responded to therapy, with 4 of those responders achieving a rapid response to U2 alone at the patient’s first efficacy assessment prior to the addition of pembrolizumab. We are eager to initiate our clinical study of U2 plus TG-1501, our PDL1 inhibitor, in the same patient population and believe the triplet may offer the opportunity for time limited therapy in CLL.” Highlights from the oral presentations include: Oral Presentation Title: A Phase 2 Study to Assess the Safety and Efficacy of Umbralisib in Patients with Chronic Lymphocytic Leukemia (CLL) Who Are Intolerant to Prior BTK or PI3K Delta Inhibitor Therapy This presentation includes data from patients with CLL who are intolerant to prior BTK or PI3K delta inhibitor therapy who were then treated with single agent umbralisib. To be eligible for the study patients had to have received prior treatment with a BTK inhibitor or a PI3K delta inhibitor and discontinued therapy due to intolerance. Fifty-one patients were evaluable for safety of which 50 were evaluable for Progression Free Survival (PFS). Highlights:
Oral Presentation Title: Phase I/II Study of Umbralisib (TGR-1202) in Combination with Ublituximab (TG-1101) and Pembrolizumab in Patients with Relapsed/Refractory CLL and Richter’s Transformation (RT) This oral presentation includes data from patients with relapsed or refractory CLL or RT treated with the triple combination of ublituximab, umbralisib, and pembrolizumab. Patients with CLL received 2 cycles of the U2 regimen before pembrolizumab was added for an additional 4 cycles, followed by umbralisib maintenance. Patients with RT received U2 + pembrolizumab for the first 4 cycles, followed by U2 maintenance. Twenty patients were evaluable for safety (11 CLL patients and 9 RT patients) and 19 were evaluable for efficacy (11 CLL and 8 RT). Data highlights include:
Additionally, data from the UNITY-NHL MZL cohort and data from TG-1801, the Company’s first-in-class anti-CD47-CD19 bispecific antibody, will be presented during ICML. These presentations were recaps and have been previously presented. Links to full data presentations included below. Oral Presentation Title: Umbralisib Monotherapy Demonstrates Efficacy and Safety in Patients with Relapsed/Refractory Marginal Zone Lymphoma: A Multicenter, Open-Label, Registration Directed Phase 2 Study Poster Presentation Title: The novel bispecific CD47-CD19 antibody TG-1801 potentiates the activity of ublituximab-umbralisib (U2) drug combination in preclinical models of B-NHL Full schedule of data being presented at ICML:
The data presentations are now available on the Publications page, located within the Pipeline section, of the Company’s website at www.tgtherapeutics.com/publications.cfm. ABOUT TG THERAPEUTICS, INC. TG Therapeutics is a biopharmaceutical company focused on the acquisition, development and commercialization of novel treatments for B-cell malignancies and autoimmune diseases. Currently, the company is developing multiple therapies targeting hematological malignancies and autoimmune diseases. Ublituximab (TG-1101) is a novel, glycoengineered monoclonal antibody that targets a specific and unique epitope on the CD20 antigen found on mature B-lymphocytes. TG Therapeutics is also developing umbralisib (TGR-1202), an oral, once-daily inhibitor of PI3K-delta. Umbralisib uniquely inhibits CK1-epsilon, which may allow it to overcome certain tolerability issues associated with first generation PI3K-delta inhibitors. Both ublituximab and umbralisib, or the combination of which is referred to as "U2", are in Phase 3 clinical development for patients with hematologic malignancies, with ublituximab also in Phase 3 clinical development for Multiple Sclerosis. Additionally, the Company has recently brought into Phase 1 clinical development, TG-1501, its anti-PD-L1 monoclonal antibody, TG-1701, its covalently-bound Bruton’s Tyrosine Kinase (BTK) inhibitor and TG-1801, its anti-CD47/CD19 bispecific antibody. TG Therapeutics is headquartered in New York City. |
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