NEW YORK, Dec. 13, 2022 (GLOBE NEWSWIRE) — BeyondSpring Inc. (the “Company” or “BeyondSpring”) (Nasdaq: BYSI), a clinical stage global biopharmaceutical company focused on developing innovative cancer therapies, today announced data from the ESMO Asia Congress 2022 and the American Society of Hematology (ASH) Annual Meeting about the use of lead asset, plinabulin, for the prevention of docetaxel-induced neutropenia (DIN) in non-small cell lung cancer (NSCLC) patients. In addition, data was presented on plinabulin for the prevention of docetaxel-induced neutropenia in breast cancer (BC in the 105 study) at the 2022 San Antonio Breast Cancer Symposium (SABCS). The analyses in the NSCLC studies support the efficacy of plinabulin as a monotherapy in reducing the mean duration of severe neutropenia (DSN) with a >1 day benefit for patients receiving docetaxel and plinabulin (compared to patients not receiving plinabulin) in two independent randomized trials (study 101 and 103).
“Docetaxel-induced neutropenia can cause life-threatening infections in cancer patients, and the current standard of care, prophylactic treatment with a G-CSF in high-risk patients, has limitations. It has to be administered 24 hours following chemotherapy, and patients can experience post-treatment bone pain, a mild reduction in platelet count and a decline in quality of life,” said Dr. Douglas Blayney, professor of medicine (oncology) emeritus at Stanford University Medical School and global principal investigator for the plinabulin neutropenia prevention studies. “The data that we presented at these three conferences demonstrate that plinabulin can provide solutions for some of the challenges seen with G-CSF. Plinabulin is given on the same day as chemotherapy as a short infusion, has minimal associated bone pain, no reduction in platelet count and quality of life is maintained throughout the course of therapy. Importantly, the analyses showed a reduction in mean DSN of one day or more in NSCLC patients receiving plinabulin vs placebo (no G-CSF), which is the gold standard for regulatory review.”
Trials Mentioned in the Abstracts
Poster Presentation at the ASH Annual Meeting
Title: Prevention of Docetaxel (Doc)-Induced Neutropenia (DIN) with Single Agent Plinabulin (Plin) Versus (vs) Control (No-Treatment or Placebo) in Non-Small Cell Lung Cancer (NSCLC) in Two Randomized Trials
Presentation Number: 1094
Presenter: Dr. Douglas Blayney, professor of medicine (oncology) emeritus at Stanford University Medical School and global principal investigator for the plinabulin neutropenia prevention studies
The presentation summarized data from two randomized NSCLC studies (study 101 and 103), and DIN results were compared between the plinabulin arm and the control arm (placebo or no treatment). The DSN was calculated based on Day 8 absolute neutrophil count (ANC) values in the plinabulin and control arms.
Oral Presentation at ESMO Asia Congress 2022
Title: Superior single agent effectiveness with plinabulin (Plin) versus (vs) placebo (Plac) for docetaxel (Doc)-induced neutropenia (DIN) prevention in non-small cell lung cancer (NSCLC) patients (pts)
Presentation Number: 276MO
Presenter: Dr. Douglas Blayney, professor of medicine (oncology) emeritus at Stanford University Medical School and global principal investigator for the plinabulin neutropenia prevention studies
The presentation summarized DIN data from a non-randomized comparison derived from two different studies: plinabulin data from study 105 and the control (placebo or no treatment) data from study 103.
Poster Presentation at SABCS
Title: Superior effectiveness of Plinabulin (Plin) versus no-treatment for Docetaxel (Doc)-induced neutropenia (N) and other hematologic complication in breast cancer (BC) patients
Presentation Number: P1-12-10
Presenter: Dr. Douglas Blayney, professor of medicine (oncology) emeritus at Stanford University Medical School and global principal investigator for the plinabulin neutropenia prevention studies
The presentation summarized DIN data for plinabulin from study 105 and the control data (placebo or no treatment) was taken from the literature.
About Plinabulin
Plinabulin, BeyondSpring’s lead asset, is a selective immunomodulating microtubule-binding agent, which is a potent antigen presenting cell (APC) inducer that is being developed as an anticancer agent. Plinabulin triggers the release of the immune defense protein, GEF-H1, which leads to two distinct effects: first is a durable anti-cancer benefit due to the maturation of dendritic cells resulting in the activation of tumor antigen-specific T-cells to target cancer cells and the second is a CIN prevention benefit. Plinabulin has single agent anti-cancer activity in a number of cancers including small cell lung cancer (SCLC) and multiple myeloma (MM). Plinabulin also exerts early-onset of action in the prevention of chemotherapy-induced neutropenia (CIN) by boosting the number of hematopoietic stem/progenitor cells (HSPCs).
About BeyondSpring
Headquartered in New York City, BeyondSpring is a clinical stage global biopharmaceutical company focused on developing innovative cancer therapies to improve clinical outcomes for patients who have high unmet medical needs. BeyondSpring’s first-in-class lead asset, plinabulin, is being developed as a potential “pipeline in a drug” in various cancer indications as a direct anti-cancer agent and to prevent chemotherapy-induced neutropenia (CIN). The plinabulin and G-CSF combination for the prevention of CIN has demonstrated positive Phase 3 data in the PROTECTIVE-2 study. In the DUBLIN-3 study, a global, randomized, active controlled Phase 3 study, the plinabulin and docetaxel combination met the primary endpoint of extending overall survival compared to docetaxel alone in 2nd/3rd line non-small cell lung cancer (NSCLC) (EGFR wild type). Additionally, plinabulin is being broadly studied in combination with various immuno-oncology regimens that could boost the efficacy of PD-1/PD-L1 antibodies in seven different cancers. Lastly, BeyondSpring’s pipeline includes three preclinical immuno-oncology assets and a subsidiary, SEED Therapeutics, which is leveraging a proprietary targeted protein degradation drug discovery platform with initial R&D collaboration with Eli Lilly.
Investor Contact:
IR@beyondspringpharma.com
Media Contact:
PR@beyondspringpharma.com
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