Core Insights - BeyondSpring Inc. reported Q3 2025 financial results and highlighted significant clinical and corporate milestones, particularly focusing on its lead asset, Plinabulin, which is in late-stage development for cancer treatment [1][2]. Clinical Developments - Plinabulin has shown a favorable safety profile and potential as an immune-modulating therapy, with over 700 patients treated. It demonstrated an 85% disease control rate in combination with docetaxel and Keytruda for metastatic non-small cell lung cancer (NSCLC) patients who progressed after PD-1/L1 inhibitors [2][4]. - The global Phase 3 DUBLIN-3 trial results published in The Lancet Respiratory Medicine indicated that Plinabulin combined with docetaxel achieved durable survival benefits and reduced chemotherapy-induced neutropenia [2][4]. - A Phase 2 study showed a median progression-free survival (PFS) of 7.0 months and a 12-month overall survival (OS) rate of 79% for patients treated with Plinabulin, docetaxel, and pembrolizumab [5]. Financial Performance - For the nine months ended September 2025, the net loss was $6.2 million, a decrease from $6.9 million for the same period in 2024. The net loss for Q3 2025 was $1.7 million, compared to $2.2 million in Q3 2024 [7][10]. - Research and development (R&D) expenses increased to $2.9 million for the nine months ended September 2025, up from $2.2 million in the same period in 2024, primarily due to higher drug manufacturing and regulatory affairs expenses [10][17]. - General and administrative (G&A) expenses decreased to $3.4 million for the nine months ended September 2025, down from $4.9 million in 2024, attributed to lower salary expenses and professional service costs [10][17]. Corporate Milestones - SEED Therapeutics, co-founded by BeyondSpring, completed a $30 million Series A-3 financing and received IND clearance from both the US FDA and China NMPA for its lead program targeting RBM39 [4][5]. - SEED was named a finalist for the 2025 Prix Galien USA "Best Start-Up" Award, highlighting its innovative approach in the field of targeted protein degradation [4][5].

Core Insights - BeyondSpring Inc. reported Q2 2025 financial results and highlighted significant clinical and corporate milestones, focusing on its lead asset, Plinabulin, which is positioned to redefine cancer treatment by leveraging the immune system [1][2]. Clinical Developments - Plinabulin is a first-in-class agent that matures dendritic cells, potentially offering new hope to 60% of non-small cell lung cancer (NSCLC) patients whose disease progresses after checkpoint inhibitor therapy [2]. - In the global Phase 3 trial (Dublin-3), the combination of Plinabulin and docetaxel showed durable survival benefits and reduced chemotherapy-induced neutropenia compared to standard docetaxel alone [2]. - New data from a Phase 2 study indicated that the combination of pembrolizumab, Plinabulin, and docetaxel in metastatic NSCLC patients demonstrated a median progression-free survival (PFS) of 6.8 months and an overall survival (OS) of 78% at 15 months [5]. - A collaboration with MD Anderson highlighted Plinabulin's rapid dendritic cell activation across eight cancer types, reporting an objective response rate (ORR) of 23% and a disease control rate (DCR) of 54% [5]. Corporate Milestones - SEED Therapeutics, in which BeyondSpring is a founding shareholder, received FDA clearance for its RBM39 molecular glue degrader, ST-01156, targeting aggressive cancers [2][4]. - Dr. Bill Desmarais joined SEED Therapeutics as CFO and CBO, bringing over 20 years of biotech leadership experience [6]. Financial Performance - For the six months ended June 2025, BeyondSpring reported a net income of $1 million, an improvement from a net loss of $2.6 million in the same period of 2024 [7]. - Research and development (R&D) expenses increased to $1.9 million for the six months ended June 2025, compared to $1.6 million in the prior year, primarily due to higher professional service fees [9]. - General and administrative (G&A) expenses decreased to $2.7 million for the six months ended June 2025, down from $3.1 million in the same period of 2024 [9]. Financial Position - As of June 30, 2025, cash and cash equivalents stood at $9.5 million, a significant increase from $2.9 million as of December 2024 [9]. - Current assets totaled $15.7 million, down from $25.3 million as of December 2024, reflecting the impact of discontinued operations [9].

Core Insights - BeyondSpring Inc. announced a human clinical study demonstrating that Plinabulin, in combination with radiation and a checkpoint inhibitor, induces dendritic cell maturation and elicits tumor responses in patients with multiple cancer types who had previously failed ICI therapy [1][2] - The study identified a potential biomarker, baseline GEF-H1 immune signature, which may enable patient pre-selection and clinical response prediction [1][8] Clinical Study Overview - The Phase 1 translational trial evaluated a triple immunotherapy approach combining Plinabulin, radiation, and anti-PD-1 checkpoint inhibitors in patients with eight cancer types who are refractory or relapsed on prior ICI therapy [3] - Nineteen patients received the combination regimen, with an objective response rate (ORR) of 23% and a disease control rate (DCR) of 54% in non-irradiated lesions [4][8] Mechanism of Action - Plinabulin triggered dendritic cell maturation post-radiation via GEF-H1 signaling, leading to increased expression of DC maturation markers [5][11] - The mechanism of Plinabulin is distinct from traditional tubulin agents, promoting dendritic cell maturation and anti-tumor T-cell immunity without interfering with tubulin stabilizers [11] Biomarker Insights - Single-cell RNA sequencing differentiated responders from non-responders, identifying baseline GEF-H1 immune gene expression as a potential predictive biomarker for Plinabulin response [6][8] Company Background - BeyondSpring is a clinical-stage biopharmaceutical company focused on developing first-in-class therapies for high unmet medical needs, with Plinabulin as its lead asset in late-stage clinical development for various cancer indications [14]

Plinabulin's Mechanism and Preclinical Evidence - Plinabulin is a unique tubulin binder with a distinct binding site compared to other tubulin-binding agents[16, 21] - Preclinical studies show that Plinabulin, combined with radiation and anti-PD-1, activates dendritic cells (DCs), stimulates T-cell proliferation, and achieves abscopal effects[17, 24] - Plinabulin induces DC maturation, especially when administered after irradiation (IR), and Plinabulin-treated DCs stimulate T cell proliferation, enhanced by combining with IR[25] Clinical Efficacy and Immune Activation - In a Phase 1 study, the Plinabulin triple combination (with radiation and PD-1/PD-L1 inhibitors) led to an 80% disease control rate (DCR) in 10 IO-refractory patients[18, 32] - Durable responses were observed in 2 Hodgkin lymphoma patients who progressed after 12 or 16 prior lines of therapy[33] - Responding patients exhibited early immune activation with DC maturation and proinflammatory monocytes in the peripheral blood across six different cancer types[19, 35] Summary and Future Directions - Plinabulin demonstrates induction of DC maturation and re-sensitization to anti-PD(L)1 in IO-refractory tumors[37] - The impressive overall results, showing a high 80% disease control rate in ICI-refractory and heavily pre-treated patients, warrant further clinical studies of Plinabulin/IO combinations in IO-refractory settings[37, 38]

Core Insights - BeyondSpring Inc. presented interim Phase 2 data for its 303 Study on Plinabulin in combination with pembrolizumab and docetaxel for metastatic non-small cell lung cancer (NSCLC) patients who progressed on PD-1/L1 therapies, showing promising results in terms of progression-free survival and overall survival [1][2][3] Study Overview - The 303 Study enrolled 47 patients, with a median age of 67, and included a majority of male patients (80.9%) and current or former smokers (72.3%) [2] - The study evaluated the efficacy and safety of the triple combination therapy, with a median follow-up of 12.7 months [2][10] Key Results - Median Progression-Free Survival (PFS) was reported at 6.8 months, nearly double the 3.7 months seen with standard of care docetaxel [6] - Disease Control Rate (DCR) was 77.3%, indicating a clinical benefit for the majority of patients who had previously progressed on PD-1/L1 inhibitors [6] - The 15-month Overall Survival (OS) rate was 78%, which is longer than the median OS of 11.8 months for standard of care docetaxel [6] Mechanism of Action - Plinabulin is a first-in-class, late-stage differentiated tubulin binder that activates GEF-H1, leading to dendritic cell maturation and T cell activation, which may reverse acquired resistance to immune checkpoint inhibitors [5][9] Clinical Implications - The results suggest that Plinabulin could address the significant unmet medical need for effective treatments in NSCLC patients who have developed resistance to PD-1/L1 therapies [4][7] - The combination therapy demonstrated good tolerability, with 51.1% of patients experiencing grade 3 or higher treatment-related adverse effects, but no treatment-related deaths were reported [6]

Company Overview - BeyondSpring Inc. is a clinical-stage global biopharmaceutical company focused on developing cancer therapies, particularly its lead asset Plinabulin, which is in late-stage clinical development for non-small cell lung cancer (NSCLC) and other cancer indications [3] Study Announcement - BeyondSpring announced a poster presentation on the 303 Study, an investigator-initiated study supported by Merck, at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting, scheduled from May 30 to June 3 in Chicago, IL [1] 303 Study Details - The 303 Study is an open-label, single-arm Phase 2 study evaluating the efficacy and safety of Plinabulin in combination with docetaxel and pembrolizumab for previously treated patients with metastatic NSCLC who have progressed after anti-PD-(L)1 inhibitor therapy [4] - The study involves 47 enrolled patients and is conducted at Peking Union Medical College Hospital in Beijing, China, with Dr. Mengzhao Wang as the principal investigator [4] - The primary endpoint is the investigator-based overall response rate (ORR), while secondary endpoints include progression-free survival (PFS), overall survival (OS), duration of response (DoR), and safety [4] Presentation Details - The presentation will take place on May 31, 2025, from 1:30 PM to 4:30 PM CDT at McCormick Place Convention Center, focusing on initial efficacy and safety results related to immune re-sensitization [5]

Core Viewpoint - BeyondSpring Inc. reported its unaudited financial results for Q1 2025, highlighting advancements in its cancer therapeutics, particularly Plinabulin, and the SEED Therapeutics program, while also noting financial performance metrics. Financial Performance - R&D expenses from continuing operations increased by 21% to $874,000 in Q1 2025 from $721,000 in Q1 2024 [5] - G&A expenses from continuing operations rose by 30% to $1,736,000 in Q1 2025 compared to $1,334,000 in Q1 2024 [5] - Net loss from continuing operations was $2,584,000 in Q1 2025, a 24% increase from $2,080,000 in Q1 2024 [5] Clinical Developments - Plinabulin has been administered to over 700 patients, demonstrating a favorable safety profile and potential efficacy in patients who have progressed on PD-1/L1 inhibitors [2] - Early readouts in metastatic non-small cell lung cancer (NSCLC) and Hodgkin lymphoma showed durable responses warranting further evaluation [2] - The RBM39 molecular-glue degrader achieved complete tumor regression in Ewing sarcoma models and is on track for an IND submission mid-2025 [2][7] Corporate Updates - BeyondSpring owns approximately 40% of SEED Therapeutics, which operates independently and has been classified as discontinued operations for financial reporting [4] - The company reported a total asset increase from $34,315,000 as of December 31, 2024, to $37,104,000 as of March 31, 2025 [12][13] - The total liabilities increased from $48,600,000 to $49,771,000 during the same period [13] Shareholder Information - The net loss attributable to BeyondSpring Inc. was $4,477,000 for Q1 2025, compared to a net loss of $3,231,000 in Q1 2024 [15] - Basic and diluted earnings per share improved to $0.11 in Q1 2025 from a loss of $0.08 in Q1 2024 [15]

Core Insights - BeyondSpring Inc. reported significant clinical progress and strategic advancements in 2024, particularly for its lead asset Plinabulin and its partnership with SEED Therapeutics [2][3] Clinical Developments - Plinabulin showed a statistically significant survival benefit in patients with second- and third-line non-small cell lung cancer (NSCLC) (EGFR wild-type), a market lacking new therapies for over a decade [3][5] - Ongoing Phase 2 studies indicate Plinabulin's potential to resensitize tumors that have progressed on PD-1/PD-L1 inhibitors, demonstrating promising efficacy and good tolerability [3][9] - SEED Therapeutics secured a strategic collaboration with Eisai Co., Ltd., which could yield up to $1.5 billion in potential payments, enhancing its oncology pipeline [3][10] Financial Performance - For the year ended December 31, 2024, the company reported a net loss of $16.7 million, a decrease from $21.9 million in 2023, indicating improved financial performance [19] - Research and development expenses were $2.6 million in 2024, down from $7.3 million in 2023, reflecting cost optimization measures [10] - As of December 31, 2024, the company had cash, cash equivalents, and short-term investments totaling $2.9 million, with current assets amounting to $25.3 million [10][16] Strategic Collaborations - SEED Therapeutics is advancing its lead oncology asset, RBM39 degrader, which received Rare Pediatric Disease and Orphan Drug Designations from the FDA, reinforcing its potential in targeted protein degradation [3][10] - The collaboration with Eisai and the existing partnership with Eli Lilly are expected to drive significant advancements in oncology and targeted protein degradation [3][10] Future Milestones - Key upcoming milestones include updated data from ongoing Phase 2 studies in metastatic NSCLC and extensive-stage small-cell lung cancer (ES-SCLC) expected in 2025 [10][19] - The expected IND filing for the RBM39 degrader is anticipated in mid-2025, with patient enrollment beginning in the second half of 2025 [10]