Bispecific antibody

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Longer-Term Follow-Up of Western Patients Showed Improving, Favorable Trend in Overall Survival in Global Phase III HARMONi Clinical Trial for Ivonescimab Plus Chemotherapy in 2L+ EGFRm NSCLC
Businesswire· 2025-09-07 07:30
Core Insights - The Phase III HARMONi trial data for ivonescimab plus chemotherapy shows an improving overall survival (OS) trend with a nominal p-value of 0.0332 compared to chemotherapy alone, particularly in North American patients with an OS hazard ratio (HR) of 0.70 [1][4][6] Group 1: Trial Overview - HARMONi trial evaluated ivonescimab plus platinum-doublet chemotherapy against placebo plus chemotherapy in patients with EGFR-mutated, locally advanced or metastatic non-squamous non-small cell lung cancer (NSCLC) who progressed after third-generation EGFR TKI treatment [2][18] - The trial's primary endpoints were progression-free survival (PFS) and overall survival (OS), with previous PD-1 monoclonal antibodies failing to show benefits in similar settings [2] Group 2: Efficacy Results - In the primary analysis, ivonescimab plus chemotherapy showed a median OS of 16.8 months versus 14.0 months for placebo plus chemotherapy, with a hazard ratio of 0.79 (95% CI: 0.62 – 1.01; p=0.057) [4][6] - Longer-term follow-up analysis indicated a median OS of 17.0 months for ivonescimab compared to 14.0 months for placebo in Western patients, with an improved hazard ratio of 0.84 [6][7] - The overall response rate was higher in the ivonescimab arm at 45% compared to 34% in the placebo arm, with a median duration of response of 7.6 months versus 4.2 months [10] Group 3: Safety Profile - Ivonescimab plus chemotherapy demonstrated a manageable safety profile, with 7.3% of patients discontinuing due to treatment-related adverse events (TRAEs) compared to 5.0% in the placebo group [12][13] - The most common TRAEs included anemia and decreases in white blood cell counts, with less than 1% experiencing Grade 3 or higher hemorrhage events [12][13] Group 4: Future Developments - Summit Therapeutics plans to host a conference call on September 8, 2025, to discuss the ivonescimab data presented at the WCLC 2025 [14][30] - The company is engaged in multiple Phase III clinical trials for ivonescimab, including HARMONi-2 and HARMONi-6, which are expected to further evaluate its efficacy [19][20]
RemeGen's Independently-Developed Bispecific Antibody RC148 Approved to Proceed Phase II Clinical Trial in US by FDA
Prnewswire· 2025-08-08 09:49
Core Insights - RemeGen Co., Ltd. has received clearance from the FDA for its IND application for phase II clinical trials of its bispecific antibody RC148 in the US [1][2] - RC148 targets PD-1 and VEGF and is developed using RemeGen's bispecific antibody technology platform [2] - The FDA clearance is a significant milestone that is expected to expedite the global development process of RC148 [2] Company Developments - RemeGen is currently conducting clinical trials of RC148 as both a monotherapy and in combination therapy for advanced solid tumors in China [2] - The successful IND application clearance marks an important step in RemeGen's strategy to expand its presence in the global oncology market [1][2]
Lynozyfic™ (linvoseltamab-gcpt) Receives FDA Accelerated Approval for Treatment of Relapsed or Refractory Multiple Myeloma
Globenewswire· 2025-07-02 15:00
Core Viewpoint - The FDA has granted accelerated approval for Lynozyfic™ (linvoseltamab-gcpt) to treat adult patients with relapsed or refractory multiple myeloma who have undergone at least four prior lines of therapy, marking a significant advancement in treatment options for this patient population [1][5][6]. Group 1: FDA Approval and Clinical Trial Results - Lynozyfic is the first FDA-approved BCMAxCD3 bispecific antibody, allowing for a flexible dosing schedule that can adapt based on patient response [2][3]. - The approval is based on the LINKER-MM1 trial, where 70% of patients achieved an overall response rate, with 45% achieving a complete response or better [6][5]. - The median time to first response was 0.95 months, and the median duration of response was not reached, with an estimated 89% of responders maintaining their response at 9 months [6][12]. Group 2: Safety and Administration - Lynozyfic has a Boxed Warning for cytokine release syndrome (CRS) and neurologic toxicity, with common adverse reactions including musculoskeletal pain, cough, and fatigue [4][18]. - The treatment involves a step-up dosing regimen, requiring hospitalization for safety during the initial doses [10][20]. - Lynozyfic is available only through a restricted program called the Lynozyfic Risk Evaluation and Mitigation Strategy (REMS) due to the associated risks [4][22]. Group 3: Company Commitment and Future Development - Regeneron is committed to advancing the treatment landscape for multiple myeloma and has launched Lynozyfic Surround™, providing financial and educational resources for patients [5][6]. - The company is rapidly advancing its clinical development program for Lynozyfic, exploring its use in earlier lines of therapy and in combination with other treatments [5][13]. - Regeneron utilizes its proprietary VelocImmune technology to develop Lynozyfic, showcasing its expertise in creating fully human antibodies [9][17].
Early data suggest Roche’s NXT007 may have the potential to provide haemostatic normalisation in people with haemophilia A
Globenewswire· 2025-06-23 05:00
Core Insights - Roche announced positive phase I/II data for NXT007, a next-generation bispecific antibody for haemophilia A, supporting its progression to phase III clinical development [1][2] - NXT007 demonstrated a tolerable safety profile with no thromboembolic events reported, indicating its potential for haemostatic normalization in patients without factor VIII inhibitors [1][4] Company Overview - Roche has over 25 years of experience in developing medicines for blood diseases and is committed to advancing care for patients with haemophilia A [9] - The company aims to provide innovative treatment options, including NXT007, to enhance therapeutic choices and reduce treatment burdens for patients [2][6] Clinical Development - NXT007 is currently undergoing a robust clinical development program, with ongoing phase I/II trials and additional phase II data expected later this year [3] - Three phase III studies are planned for 2026, including a head-to-head study with Hemlibra, Roche's existing prophylactic treatment for haemophilia A [3][4] Product Details - NXT007 is engineered to optimize factor VIII-mimetic activity and enhance potency, efficacy, and administration convenience, aiming for sustained elevated bleed protection [6][5] - The clinical trials for NXT007 involve participants aged 12 to 65, with no treated bleeds observed in the highest dose cohorts [4][7] Market Context - Haemophilia A affects approximately 900,000 people globally, leading to significant health concerns due to uncontrolled bleeding [8][7] - The development of inhibitors to factor VIII replacement therapies presents a serious complication, highlighting the need for innovative treatments like NXT007 [8]
摩根大通:摩根大通:康方生物-AK104 在一线宫颈癌(1L CC)适应症获批,后续有催化因素
摩根· 2025-06-09 01:42
Investment Rating - The report assigns an "Overweight" (OW) rating to Akeso with a price target of HK$99.00 by December 2025 [2][5]. Core Insights - Akeso's AK104, a PD-1/CTLA-4 bispecific antibody, has received approval in China for first-line treatment of persistent, recurrent, or metastatic cervical cancer, which is expected to significantly boost sales in China [1][4]. - The report anticipates a global development plan for AK104 to be announced in the second half of 2025, which could attract investor interest [1][4]. - Upcoming catalysts include sales figures for AK104 and AK112, the potential global development plan announcement, and detailed data from the HARMONi studies [4][5]. Summary by Sections Approval and Efficacy - AK104's approval is based on strong results from the Phase 3 COMPASSION-16 study, showing a median overall survival (mOS) not reached in the AK104+chemo cohort compared to 22.8 months in the control group, and a median progression-free survival (mPFS) of 12.7 months versus 8.1 months [4]. Market Potential - The report estimates that AK104 could generate approximately RMB 6 billion in peak sales in China, while AK112 is expected to achieve over RMB 5 billion in peak sales in non-small cell lung cancer (NSCLC) [5]. Valuation - The price target of HK$99.00 is based on a discounted cash flow (DCF) valuation, assuming a terminal growth rate of 3.0% and a weighted average cost of capital (WACC) of 9.4% [6].
New two-year follow-up of Roche's Columvi extends overall survival in relapsed or refractory diffuse large B-cell lymphoma patients
GlobeNewswire News Room· 2025-05-23 05:00
Core Insights - Roche announced two-year follow-up data from the phase III STARGLO study, showing a 40% improvement in overall survival for patients treated with Columvi® (glofitamab) in combination with gemcitabine and oxaliplatin (GemOx) compared to MabThera®/Rituxan® (rituximab) plus GemOx [1][4] Group 1: Study Results - The median follow-up was 24.7 months, with overall survival not reached for the Columvi combination, while it was 13.5 months for the R-GemOx group [1] - The Columvi combination demonstrated a 59% reduction in the risk of disease progression or death (hazard ratio = 0.41, 95% confidence interval: 0.29–0.58) [2] - Among patients achieving complete remission (CR) at the end of treatment, 89% were alive and 82% maintained remission one year post-treatment [2][4] Group 2: Treatment Implications - Columvi is approved in over 30 countries for patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) who are not candidates for autologous stem cell transplant [3] - The combination of Columvi and GemOx has been added to the National Comprehensive Cancer Network Clinical Practice Guidelines as a category 1 preferred recommendation for second-line DLBCL treatment [3] - There is an urgent need for rapidly available treatments for DLBCL, as many patients do not have access to the latest therapies [2][9] Group 3: Safety and Efficacy - The safety profile of the Columvi combination remained consistent with previous analyses, with a higher rate of adverse events observed, including cytokine release syndrome, which was generally low grade [2][4] - Patients receiving the Columvi combination had a higher median number of treatment cycles (11 versus 4) due to disease progression in the R-GemOx arm [2] Group 4: Company Strategy - Roche is focused on developing tailored treatment options for blood cancers, including the CD20xCD3 bispecific antibody program, which includes Columvi and Lunsumio® [5][7] - The company is also investigating Columvi in combination with other therapies for previously untreated DLBCL in ongoing studies [8]
Lynozyfic™ (linvoseltamab) Approved in the European Union for the Treatment of Relapsed/Refractory Multiple Myeloma
Globenewswire· 2025-04-28 11:01
Core Insights - The European Commission has granted conditional marketing approval for Lynozyfic (linvoseltamab) to treat adults with relapsed and refractory multiple myeloma, specifically for those who have undergone at least three prior therapies [1][3][5] - Lynozyfic is a bispecific antibody that targets B-cell maturation antigen (BCMA) on multiple myeloma cells and CD3 on T cells, facilitating T-cell activation and cancer cell killing [1][3] - The approval is based on the LINKER-MM1 trial, which showed a 71% objective response rate and a 50% complete response rate among patients treated with Lynozyfic [3][4] Company Overview - Regeneron Pharmaceuticals is a leading biotechnology company focused on developing innovative medicines for serious diseases, including blood cancers [17][18] - The company has a strong commitment to transforming cancer care, as evidenced by the approval of Lynozyfic as its second bispecific antibody [5][12] - Regeneron utilizes proprietary technologies, such as VelociSuite, to develop optimized fully human antibodies and bispecific antibodies [15][18] Clinical Development - Lynozyfic is currently being investigated in a broad clinical development program, including monotherapy and combination regimens across different lines of therapy for multiple myeloma [11][12] - The ongoing LINKER-MM1 trial has enrolled over 300 patients, assessing safety, tolerability, and anti-tumor activity [9][10] - The regimen for Lynozyfic includes an initial step-up dosing followed by a response-adapted schedule, allowing for convenient administration every four weeks for eligible patients [2][10] Market Context - Multiple myeloma is the second most common blood cancer, with over 35,000 new cases diagnosed annually in Europe and 187,000 globally [6][7] - Despite treatment advances, multiple myeloma remains incurable, and patients often experience relapses and require new therapies [7][8] - The introduction of Lynozyfic provides a new treatment option with a different mechanism of action, addressing the need for innovative therapies in this patient population [3][5]
Odronextamab BLA Accepted for FDA Review for the Treatment of Relapsed/Refractory Follicular Lymphoma
Globenewswire· 2025-02-26 12:00
Core Viewpoint - Regeneron Pharmaceuticals has resubmitted the Biologics License Application (BLA) for odronextamab to the FDA for the treatment of relapsed/refractory follicular lymphoma, with a decision expected by July 30, 2025 [1][2]. Group 1: FDA Review and Clinical Trials - The FDA accepted the BLA resubmission after Regeneron met the enrollment target for the Phase 3 trial (OLYMPIA-1), which was the only issue identified in the previous submission [2]. - Data from Phase 1 and pivotal Phase 2 trials (ELM-1 and ELM-2) showed an overall response rate of 80% (n=103), with 74% (n=95) achieving a complete response [2]. - Serious adverse events were reported in 67% of patients, with cytokine release syndrome, COVID-19, and pneumonia being the most common [2]. Group 2: Product Information and Market Context - Odronextamab is already approved in the EU as Ordspono™ for treating R/R FL or diffuse large B-cell lymphoma after two or more lines of therapy [3]. - Follicular lymphoma (FL) is a common subtype of B-cell non-Hodgkin lymphoma, with approximately 122,000 cases diagnosed globally each year and over 13,600 cases expected in the U.S. in 2025 [4]. Group 3: Clinical Development Program - The clinical development program for odronextamab includes ongoing trials (ELM-1 and ELM-2) investigating its safety and efficacy across various B-NHL subtypes [5][6]. - The primary endpoint for these trials is the objective response rate, with secondary endpoints including complete response and overall survival [6]. - Odronextamab is being evaluated both as a monotherapy and in combination with other therapies in multiple Phase 3 trials [7]. Group 4: Company Overview - Regeneron is a leading biotechnology company focused on developing medicines for serious diseases, leveraging over three decades of expertise in biology and proprietary technologies [12][13]. - The company is known for its innovative approaches in blood cancer research, particularly in bispecific antibodies and other therapeutic modalities [9].