On March 25, 2024 BioCryst Pharmaceuticals, Inc. (Nasdaq: BCRX) reported that the company will present at the H.C. Wainwright 2nd Annual Autoimmune & Inflammatory Disease Virtual Conference on Thursday, March 28, 2024, at 2:30 p.m. ET and the 23rd Annual Needham Virtual Healthcare Conference on Tuesday, April 9, 2024, at 10:15 a.m. ET (Press release, BioCryst Pharmaceuticals, MAR 25, 2024, View Source [SID1234641403]).

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Links to the live audio webcasts and replays of the presentations may be accessed in the Investors & Media section of BioCryst’s website at http://www.biocryst.com.

On March 25, 2024 AIM ImmunoTech Inc. (NYSE American: AIM) ("AIM") reported the publication of new data analysis from a long-term Early Access Program ("EAP") studying the company’s drug Ampligen (rintatolimod) for the treatment of advanced pancreatic ductal adenocarcinoma ("PDAC") (Press release, AIM ImmunoTech, MAR 25, 2024, View Source [SID1234641401]). The manuscript titled "Rintatolimod in Advanced Pancreatic Cancer enhances Anti-Tumor Immunity through Dendritic Cell-Mediated T Cell Responses," appears in the journal Clinical Cancer Research, one of oncology’s most prestigious journals.

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Ampligen is a dsRNA product candidate that acts via the TLR-3 receptor present on several immune cells, epithelial cells and tumors. Researchers at the Erasmus University Medical Center ("Erasmus MC") found that Ampligen treatment in pancreatic cancer patients enhances peripheral immune activity at the transcriptomic and proteomic levels, particularly involving type 1 conventional dendritic cells (cDC1s) and T cells. Post-Ampligen, the increased peripheral abundance of BTLA+XCR1+ cDC1s and CD4+SELL+ T cells correlated with improved clinical outcomes. Patients with stable disease exhibited pronounced overexpression of genes related to DC and T cell activation. Notably, the expression of immune checkpoints PD-L1 and PD-L2 decreased post-Ampligen across all patients.

AIM Chief Executive Officer Thomas K. Equels stated: "We have already seen that Ampligen as a single-agent therapy was associated with improved progression-free survival and overall survival in these Early Access Program pancreatic cancer patients. This new data analysis provides us further insight into exactly why that’s the case, which could give us the ability to identify cancer patients who might benefit more from Ampligen treatment than they would from other known cancer treatments. Additionally, the changes in the tumor microenvironment we see in pancreatic cancer are similar to those we have seen in triple-negative breast cancer, ovarian cancer and colorectal cancer metastatic to the liver. We have hypothesized that Ampligen has the potential to be efficacious in almost every solid tumor type based on its direct effect on malignant tumor cells and its effect on the tumor micro-environment. All these data combined lend further credence to the broad applicability of Ampligen in solid tumors."

Prof. Casper H.J. van Eijck, MD, PhD, Pancreato-biliary Surgeon at Erasmus MC and co-author of the published paper, stated, "Based on these results, we believe Ampligen may break immunological tolerance by enhancing anti-tumor immunity through DC-mediated T-cell responses. The data suggests that Ampligen infusions modulate PD-L1 and PD-L2 expression in the tumor microenvironment, while at the same time they upregulate Ki67+CD4+ and Ki67+CD8+ T-cells. We therefore believe that combining Ampligen with an immune checkpoint inhibitor – such as durvalumab – could synergistically circumvent immune blockade and potentially mitigate the T-cell exhaustion known to occur with immune checkpoint therapies. We look forward to further evaluating Ampligen toward potentially meeting the critical need for more effective therapies to treat pancreatic cancer, including with the ongoing DURIPANC trial, which looks at the combination effect of Ampligen and AstraZeneca’s durvalumab."

AIM is currently evaluating Ampligen as a therapy for metastatic pancreatic ductal adenocarcinoma in the Phase 1b/2 DURIPANC clinical study (NCT05927142) and as a therapy for locally advanced pancreatic adenocarcinoma in the Phase 2 AMP-270 clinical study (NCT05494697).

On March 25, 2024 Biocytogen Pharmaceuticals (Beijing) Co., Ltd. ("Biocytogen", HKEX: 02315), a global biotechnology company that drives the research and development of novel antibody-based drugs with innovative technologies, and ABL Bio Inc. ("ABL", KOSDAQ: 298380), a Korean clinical-stage biotechnology company developing novel therapeutics in oncology and CNS diseases, reported a collaboration to develop new bispecific antibody-drug conjugates (bsADCs) (Press release, Biocytogen, MAR 25, 2024, View Source [SID1234641396]).

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Biocytogen’s RenLite mice platform can produce fully human antibodies with diverse epitopes and high affinity. This platform is notable for its ability to generate antibodies in a common light chain format, offering a distinctive combination of design flexibility, simplified manufacturing processes, and optimal developability for bsADC development. Based on this platform, both companies will be able to discuss expanding their collaboration for various types of ADC development.

Dr. Yuelei Shen, President and CEO of Biocytogen, said, "We are very pleased to collaborate with ABL, a company that possesses advanced platforms for cancer immunotherapy and treatments against CNS diseases. ABL’s consistent success in advancing its pipeline strongly showcases its expertise and capabilities in regulatory, clinical development, and business development activities. BsADC drugs derived from our RenLite mice platform have shown preferable potency in various tumor models, while also exhibiting good safety profiles. We believe our fully human bsADC platform technology, which features increased tumor selectivity, target synergized internalization, and convenient CMC development, will complement ABL’s capabilities effectively. Together, we aim to expedite the development of innovative bsADC therapies."

Sang Hoon Lee, CEO of ABL, said, "We are excited to establish this partnership with Biocytogen for bsADCs. This collaboration is one of the stepping stones for getting down to developing bsADCs. We look forward to a productive collaboration, and firmly believe that this partnership will contribute towards creating a distinctive pipeline, ultimately leading to novel therapies that improve the quality of life for patients."

On March 22, 2024 Alphamab Oncology (stock code: 9966.HK) reported that the phase II clinical research results of anti- PD-L1/CTLA-4 bispecific antibody KN046 plus chemotherapy as first-line treatment for metastatic non-small cell lung cancer (NSCLC) were published online in the renowned journal Cell Reports Medicine (IF: 14.3). Professor Li Zhang from Sun Yat-Sen University Cancer Center is the corresponding author of this paper, and Professor Yuanyuan Zhao is the first author.

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Lung cancer is one of the most common cancers in the world, and it is the malignant tumor with the highest morbidity and mortality in China. According to the latest national cancer statistics released by the National Cancer Center, there are 1.06 million new cases of lung cancer, with a total death toll of 0.73 million in year 2022, far exceeding other tumor types. NSCLC accounts for about 80% – 90% of all lung cancers, and about 57% of NSCLC patients are metastatic at the time of diagnosis. In recent years, immune checkpoint inhibitors have made breakthroughs in the treatment of advanced NSCLC. However, the overall prognosis and long-term therapeutic efficacy still need to be improved.

KN046-202 is a phase II, open-label, multi-center clinical study to evaluate the efficacy, safety and tolerability of KN046 combined with chemotherapy as first-line treatment for metastatic NSCLC. Patients were recruited into two cohorts: patients with non-squamous (non-sq)-NSCLC receive pemetrexed, while those with sq-NSCLC receive paclitaxel, both plus KN046 and carboplatin. Following four cycles (Q3W), maintenance therapy includes KN046 with pemetrexed for non-sq-NSCLC and KN046 for sq-NSCLC. Primary endpoints were confirmed objective response rate (ORR) and duration of response (DoR) as assessed by the investigators according to RECIST version 1.1.

In total, 87 patients were enrolled, including 51 in the non-sq-NSCLC cohort and 36 in the sq-NSCLC cohort. The median age was 61 (range, 32-76) years, and 75.9% were males. As of March 15, 2022, the median follow-up time was 23.1 months.

Efficacy: The confirmed objective response rate (ORR) was 46.0%(95% CI:35.2%-57.0%) and median duration of response (DoR) was 8.1(95% CI:4.14-13.90) months. Median progression-free survival (PFS) was 5.8 (95% CI: 5.26-7.10) months, median overall survival (OS) was 26.6 (95%CI:16.92-NR) months, and the 12-month OS rate was 74.2%(95% CI:63.46%-82.18%). In the non-sq-NSCLC cohort, the confirmed ORR was 43.1%, median DoR was 9.7months, median PFS was 5.8 months, and median OS was 27.2 months; In the sq-NSCLC cohort, the confirmed ORR was 50.0%, median DoR was 7.3months, median PFS was 5.7 months, and median OS was 26.6 months.

Safety: All 87 enrolled patients were evaluable for safety. The most common treatment-related adverse events (TRAEs) were anemia (87.4%), loss of appetite (72.4%), and neutropenia (70.1%). In this study, immune-related adverse event (irAEs), grade ≥3 irAEs, and serious irAEs were reported in 50 (57.5%), 11 (12.6%), and 9(10.3%) patients, respectively. The most common irAEs were pruritus (28.7%), elevated aspartate aminotransferase (24.1%), and rash (21.8%).

In conclusion, the encouraging results from this phase II study showed that KN046 combined with platinum doublet chemotherapy is effective and tolerable as first-line treatment for metastatic NSCLC, which could also be a promising treatment option for this patient population.

About KN046

KN046 is PD-L1/CTLA-4 bispecific antibody independently developed by Alphamab. Its innovative designs include: a novel mechanism – CTLA-4 fused with PD-L1 single domain antibody; engineered to target the tumor microenvironment with high PD-L1 expression, and Treg (suppress tumor immunity) clearing function.

There are about 20 clinical trials of KN046 in different stages covering more than 10 types of tumors including NSCLC, pancreatic cancer, thymic cancer, HCC, ESCC and TNBC in Australia, the US and China. The results of these clinical trials have shown an advantage in survival for patients. Alphamab Oncology has received FDA clearance to enter phase II trial of KN046 based on the clinical results in China and Australia. Moreover, KN046 has obtained the U.S. FDA’s orphan drug designation for thymic epithelial tumor in September 2020. Several pivotal clinical trials are currently being conducted, among which the interim analysis of the phase III clinical study of KN046 combined with chemotherapy as the first-line treatment of NSCLC successfully met the prespecified PFS endpoint.

(Press release, Alphamab, MAR 22, 2024, View Source [SID1234657015])

On March 22, 2024 Ono Pharmaceutical Co., Ltd. (Osaka, Japan; President and CEO: Gyo Sagara; "Ono") reported that it has entered into a comprehensive drug discovery collaboration agreement with the University of Oxford (Oxfordshire, UK; "Oxford") to verify drug discovery seeds and obtain screening compounds for the creation of innovative medicines (Press release, Ono, MAR 22, 2024, View Source [SID1234646257]).

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In this comprehensive collaboration, Ono will select drug discovery seeds from the portfolio of Oxford that align with our research priority themes, and Oxford will conduct validation tests and compound screening for the drug discovery seeds at Oxford. First, Ono has selected the research theme relating to neuroscience, which is one of our four priority research areas and is also an expertise area at Oxford.

 More specifically, Oxford will conduct target validation experiments and compound screening, and Ono will generate drug candidates based on the compounds obtained from Oxford including their hit compounds, towards the development and commercialization of new drug candidates. Ono will obtain an option right to exclusively develop and commercialize these drug candidates worldwide.

 The University of Oxford, located in Oxfordshire, UK, is a collegiate university and one of the top universities in the world. It has the Centre for Medicines Discovery, which is focusing on drug discovery, and based on basic research by experts and researchers with deep insights into drug discovery seeds. It possesses the research infrastructure and drug discovery capabilities that enables to obtain highly unique drug discovery seeds and hit compounds for difficult-to-modulate target groups.

 Ono has generated a number of innovative medicines, by proactively promoting "open innovation", in the fields of cancer, immunology, neurology, and specialty area as priority areas for drug discovery. Ono keeps on committing to creating innovative medicines, aiming to become a global specialty pharma through our unique drug discovery approach based on the open innovation.

 "We are pleased to have the opportunity to collaborate with the University of Oxford, which possesses world-leading research capabilities." said Toichi Takino, Senior Executive Officer / Executive Director, Discovery & Research of Ono. "We expect the potential for the development of new treatment through this partnership."

 "We are delighted to be starting this strategic collaboration with Ono Pharmaceuticals, to validate new therapeutic approaches across a range of different unmet medical needs. " said John Davis, Professor of Pharmaceutical Discovery, Centre for Medicines Discovery, the University of Oxford. "Combining innovative academic research together with the development insights and capability of pharmaceutical industry partners is key to unlocking the potential of new research findings"