On December 17, 2024 TAE Life Sciences (TLS), a leading developer of Boron Neutron Capture Therapy (BNCT) systems and drugs, and the Italian National Center for Oncological Hadrontherapy (CNAO), a premier hadrontherapy center in Europe, reported a definitive agreement to collaborate on groundbreaking global drug research and development initiatives for the implementation of BNCT (Press release, TAE Life Sciences, DEC 17, 2024, View Source [SID1234649182]).

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This strategic partnership will bring together the expertise of two innovative leaders in cancer treatment, with the purpose to revolutionize cancer care through BNCT, a targeted radiation therapy designed to improve outcomes for patients with complex and metastatic cancers. CNAO’s extensive experience in hadrontherapy, encompassing proton, carbon ions and other particles, complements TLS’s leadership in advancing cancer treatment with BNCT technology and drug development.

BNCT is a type of combination cancer treatment that uses neutron radiation and a special boron compound to target and destroy cancer cells. The process involves two main steps. In the first one, a boron-rich compound is administered to the patient, typically via injection or infusion. This compound is designed to be selectively absorbed by cancer cells, with minimal uptake by normal tissues. In the second step, after the boron compound has been absorbed by the cancer cells, the patient is exposed to a beam of low-energy neutrons. These neutrons interact with the boron atoms within the cancer cells and destroy them.

In late 2020, CNAO had already entered into an agreement with TLS to adopt the BNCT system and install an accelerator-based neutron source in Italy. Now, the new agreement completes the collaboration, including the drug development as well.

Prof. Gianluca Vago, CNAO President, commented: "Our mission has always been to leverage cutting-edge technologies to expand treatment opportunities for the benefit of cancer patients. Being chosen by TLS for such an important collaboration is a further recognition of CNAO’s expertise in particle therapies, both in clinical and research activities. For this project, our center will work in close cooperation with University of Pavia, Polytechnic University of Milan, National Institute for Nuclear Physics and Fondazione IRCCS Policlinico San Matteo of Pavia. The partnership with TLS will enable us to open up new frontiers in BNCT and make CNAO a unique facility in the world to combine treatments with protons, heavy ions (carbon ions and other species) and neutrons."

Planned Milestones and Key Objectives:

Installation and Clinical Trials: The installation of TLS’s Alphabeam BNCT system at CNAO is scheduled to begin in 2025, with clinical trials launching in 2026. The initial trials will leverage Steboronine (Boronophenylalanine, BPA)—an boron drug developed by Stella Pharma for BNCT and distributed by TLS in Europe and the US. Steboronine selectively accumulates boron in cancer cells and is already approved in Japan for recurrent head and neck cancers, the focus of these first trials.
Advancing Cancer Treatment: The collaboration is poised to expand the clinical applications of BNCT to address a wide range of cancers, including metastatic cancers, offering new hope for patients worldwide.
CNAO NEXT Services: The partnership includes efforts to promote the range of services offered by CNAO NEXT, an independent company set up by CNAO, which operates in the field of precision therapies, providing technical and clinical consultancy and assisting other centers in implementing particle therapies.
A significant aspect of the collaboration involves the clinical implementation and commercialization of new TLS BNCT drugs, such as Boronotyrosine (BTS), which has shown promising preclinical results in animal models. "Our partnership with CNAO marks a transformative step in advancing BNCT as a next-generation cancer therapy," said Rob Hill, CEO of TAE Life Sciences. "Together, we aim to push the boundaries of cancer treatment and provide groundbreaking solutions to patients who need them most."

Additionally, prof. Lisa Licitra, Scientific Director of CNAO, Chief of Head and Neck Cancer Medical Oncology Dept at Fondazione IRCCS Istituto Nazionale dei Tumori, Associate Professor at the University of Milan, has joined the TLS Clinical Advisory Board as an internationally recognized leader in head and neck oncology. She will serve as leading oncologist for the BNCT clinical trials at CNAO focusing on head and neck cancer and will oversee the clinical trial at CNAO, further strengthening the collaboration’s scientific foundation.

Prof. Lisa Licitra, Scientific Director of CNAO, affirmed: "BNCT has demonstrated compelling responses for recurrent or refractory tumours, such as head and neck cancers. Therefore, working with Prof. Ester Orlandi, Head of CNAO Clinical Department, we will initially focus on patients with this type of tumours. With the introduction of BNCT, we can reduce treatment to 1-2 sessions, expand therapeutic indications and potentially offer new hope to patients with metastatic tumours. Our goal will be to offer increasingly customized therapeutic options, by having at our disposal a wide range of particles: not only protons and carbon ions but also neutrons for BNCT, helium and oxygen."

On December 17, 2024 Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) reported that it will webcast its presentation at the 43rd Annual J.P. Morgan Healthcare Conference on Monday, January 13, 2025 (Press release, Regeneron, DEC 17, 2024, View Source [SID1234649160]). The presentation is scheduled for 2:15 p.m. Pacific Time (5:15 p.m. Eastern Time) and may be accessed from the "Investors & Media" page of Regeneron’s website at View Source A replay and transcript of the webcast will be archived on the Company’s website for at least 30 days.

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On December 17, 2024 Indapta Therapeutics, Inc., a privately held clinical stage biotechnology company developing next-generation cell therapies for the treatment of cancer and autoimmune diseases, reported it has closed a $22.5 million round of new financing to accelerate the clinical development of its differentiated allogeneic Natural Killer (NK) cell therapy (Press release, Indapta Therapeutics, DEC 17, 2024, View Source [SID1234649183]). Current investors RA Capital Management, LP, Leaps by Bayer, the impact investment arm of Bayer AG, Vertex Ventures HC, Pontifax, and the Myeloma Investment Fund, the venture philanthropy subsidiary of the Multiple Myeloma Research Foundation, completed the round.

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"This funding will enable us to generate significant additional data in our ongoing trial of IDP-023 in cancer as well as initial data from our first trial in autoimmune disease," said Mark Frohlich, Indapta’s CEO. "Preliminary results of IDP-023 in cancer are encouraging and we look forward to initiating our Phase 1 trial for multiple sclerosis in Q1 2025. This financing, together with our recently announced collaboration with Sanofi, highlights the promise of our differentiated platform."

Advancing Clinical Trials of Lead Product IDP-023

Indapta has completed enrollment in the safety run-in portion of the Phase 1 clinical trial of IDP-023 in Non-Hodgkin’s Lymphoma (NHL) and Multiple Myeloma (MM), in which patients received up to three doses of IDP-023 without and with interleukin (IL)-2. As presented at the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper) meeting, the mean maximum decrease in serum M-protein or light chain was 73% in responding myeloma patients with relapsed/refractory disease, with three patients achieving a reduction of 84% or greater. Enrollment of cohorts receiving IDP-023 in combination with monoclonal antibodies targeting CD20 or CD38 is underway.

In August, Indapta announced FDA clearance of its IND of IDP-023 in combination with ocrelizumab in progressive MS. The company’s approach is highly differentiated from other cellular approaches to autoimmune diseases, with at least three different mechanisms that can address the biology of the disease: 1) by combining with a B cell targeting antibody like ocrelizumab, IDP-023 can deplete B cells more effectively than antibody alone; 2) g-NK cells are capable of targeting autoreactive T and B cells that are known to upregulate HLA-E; and 3) given their inherent anti-viral activity, g-NK cells can potentially address the EBV viral reservoir that contributes to the disease pathogenesis.

On December 17, 2024 Immutep Limited (ASX: IMM; NASDAQ: IMMP) ("Immutep" or "the Company"), a clinical-stage biotechnology company developing novel LAG-3 immunotherapies for cancer and autoimmune disease, reported favourable initial safety data from the placebo-controlled, double-blind first-in-human Phase I study evaluating IMP761 (Press release, Immutep, DEC 17, 2024, View Source [SID1234649141]). Through the first three of five single ascending dose cohorts in healthy participants, there have been no treatment related adverse events.

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Dr. Frédéric Triebel, CSO of Immutep, said: "We are very encouraged by the safety data generated to date for IMP761, the world’s first LAG-3 agonist antibody, in this Phase I setting. Derisking this promising asset in this proof-of-concept study in healthy subjects assessing its safety and immunosuppressive efficacy on an antigenspecific T-cell mediated intra-dermal reaction is an important step for this exciting program in autoimmune diseases. Given that IMP761 is potentially addressing the root cause of many different autoimmune diseases, we are eager to see this study generating more data."

The trial in up to 49 participants is being conducted by the Centre for Human Drug Research (CHDR) in Leiden, the Netherlands. In addition to the safety analysis, CHDR is implementing its keyhole limpet haemocyanin (KLH) challenge model to evaluate IMP761’s pharmacological activity. Additional safety data and assessment of pharmacokinetic/pharmacodynamic (PK/PD) relationships to follow in the first half of CY2025.

The LAG-3 (lymphocyte-activation gene-3) immune checkpoint has been identified as a promising target for an agonist antibody to treat rheumatoid arthritis, Type 1 diabetes, and multiple sclerosis, among potentially many other autoimmune diseases.1,2,3 This first-in-class agonist LAG-3 antibody is designed to restore balance to the immune system by enhancing the "brake" function of LAG-3 to silence dysregulated self-antigenspecific memory T cells that cause many autoimmune diseases. In preclinical studies, IMP761 has led to a large decrease in inflammatory cytokines and demonstrated its effectiveness in suppressing antigen-specific T cell–mediated immune responses.4

On December 17, 2024 Sonnet BioTherapeutics Holdings, Inc. (the "Company" or "Sonnet") (NASDAQ: SONN), a clinical-stage company developing targeted immunotherapeutic drugs, reported financial results for the fiscal year ended September 30, 2024 and provided a corporate update (Press release, Sonnet BioTherapeutics, DEC 17, 2024, View Source [SID1234649161]).

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"We are very pleased with the progress we have made across all facets of the company’s operations. On the financial front, we have delivered on our stated objective of cutting costs through an approximate 37% reduction in total operating expenses versus last year, which will help to extend our cash runway, combined with being able to leverage non-dilutive funding and capital markets financings. Additionally, we have executed on our partnership plans to advance both our SON-080 program and SON-1210 program to their respective next stages of development and continue to believe in their potential to address indications of significant unmet need," commented Pankaj Mohan, Ph.D., Founder and Chief Executive Officer of Sonnet. "Looking ahead, our focus is on advancing our lead program, SON-1010, and we are pleased to be on track for key data readouts from our ongoing SB101 trial for solid tumors and our SB221 trial for PROC. We look forward to the upcoming data readouts to help further unlock the intrinsic value of our FHAB technology platform."

Recent Highlights

● Announced topline safety data following successful completion of SON-1010 monotherapy dose escalation in the Phase 1 SB101 trial;

● Announced the publication of extensive discovery, development, and preclinical data regarding SON-1010, demonstrating its mechanism of action in a paper entitled, "SON-1010: an albumin-binding IL-12 fusion protein that improves cytokine half-life, targets tumors, and enhances therapeutic efficacy," in Frontiers in Immunology;

● Granted U.S. Patent No. 12,134,635 covering two of its novel drug candidates, SON-1411 (IL-18BPR-FHAB-IL12) and SON-1400 (IL-18BPR-FHAB), each containing a modified version of recombinant human interleukin-18 (BPR = Binding Protein Resistant);

● Entered into a licensing agreement with Alkem Laboratories Limited for the research, development, manufacturing, marketing, and commercialization of the SON-080 molecule for the treatment of DPN in India;

● Received preliminary approval for the sale of tax credits from the New Jersey Technology Business Tax Certificate Transfer Program administered by the New Jersey Economic Development Authority (NJEDA); and

● Entered into a Master Clinical Collaboration Agreement with the Sarcoma Oncology Center to advance the development of SON-1210 in combination with chemotherapy for the treatment of metastatic pancreatic cancer.

Lead Clinical Programs Update

SON-1010: Targeted Immune Activation Cancer Therapy, Turning ‘Cold’ Tumors ‘Hot’, Initially Targeting Solid Tumors and Platinum-Resistant Ovarian Cancer (PROC)

Phase 1 Trial (SB101 Trial): Advanced Solid Tumors (Monotherapy)

This first-in-human study is primarily designed to evaluate the safety, tolerability, PK, and PD of multiple ascending doses of SON-1010 in cancer patients and is being conducted at several sites across the United States. The Company recently completed enrollment and dose escalation in the Phase 1 SB101 clinical trial of SON-1010 (IL12-FHAB) in adult patients with advanced solid tumors. Additionally, the Company reported that results of SON-1010 at the highest dose have been formally evaluated by the Safety Review Committee. The study has enrolled 24 subjects to date. Primary outcome measures for the study were to evaluate the safety and tolerability of SON-1010 and establish the MTD.

For more information about the SB101 clinical trial, visit clinicaltrials.gov and reference identifier NCT05352750.

Phase 1b/2a Trial (SB221 Trial): Advanced Solid Tumors and PROC (Combo with Atezolizumab)

The second trial is a global Phase 1b/2a multicenter, dose-escalation and randomized proof-of-concept study to assess the safety, tolerability, PK, PD, and efficacy of SON-1010 administered subcutaneously (SC) in combination with atezolizumab given intravenously (IV) (in collaboration with Genentech, a member of the Roche Group). This study was recently expanded to include the MTD of SON-1010 from SB101. Enrollment remains ongoing and an update on safety at the MTD in that trial is expected in Q1 2025.

For more information about the SB221 clinical trial, visit clinicaltrials.gov and reference identifier NCT05756907.

SON-1010 Upcoming Milestones

● Phase 1: Solid Tumors (Monotherapy)

○ H1 calendar year 2025: Topline Efficacy Data

● Phase 1b/2a: PROC (Combo with Atezolizumab)

○ Q1 calendar year 2025: Additional Safety Data
○ H2 calendar year 2025: RP2D & Topline Efficacy Data

SON-1210: Proprietary, Bifunctional Version of Human Interleukins 12 (IL-12) and 15 (IL-15), Configured Using Sonnet’s Fully Human Albumin Binding (FHAB) platform, in Combination with Chemotherapy for the Treatment of Advanced Solid Tumors and Metastatic Pancreatic Cancer

As previously announced, the Company successfully completed two IND-enabling toxicology studies of SON-1210 in non-human primates (NHPs), which demonstrated no overt toxicity in the GLP study apart from the expected and mild, on-target changes in hematology and clinical chemistry parameters that resolved completely within 14 to 21 days post-dosing. A significant increase in interferon gamma (IFNγ), which was controlled and prolonged, was noted as early as one day following administration, with no apparent increase in other proinflammatory cytokines. IFNγ is a well-known pharmacodynamic biomarker that is required for anti-tumor efficacy in preclinical models. Other signs of cytokine imbalance, or uncontrolled increase of pro-inflammatory cytokines (including TNF-α, IL-1β, and IL-6) were notably absent from all dose levels tested in the study.

In August 2024, the Company entered into a Master Clinical Collaboration Agreement with the Sarcoma Oncology Center, to conduct an investigator-initiated Phase 1/2a clinical study to evaluate SON-1210 in combination with several chemotherapeutic agents including but not limited to NALIRIFOX (the combination of liposomal irinotecan, 5-fluorouracil/leucovorin, and oxaliplatin) for the specific treatment of metastatic pancreatic cancer. The NALIRIFOX regimen is U.S. FDA-approved for the treatment of metastatic pancreatic cancer in the front-line and refractory settings.

SON-1210 Upcoming Milestones

● Q1 calendar year 2025: IND Submission
● H1 calendar year 2025: 1st Patient Dosed in Investigator-Initiated Phase 1/2a Study

SON-080: Low dose of rhIL-6 for Chemotherapy-Induced Peripheral Neuropathy (CIPN) and Diabetic Peripheral Neuropathy (DPN)

In October 2024, the Company entered into a licensing agreement (the "Licensing Agreement") with Alkem Laboratories Limited ("Alkem") for the research, development, manufacturing, marketing, and commercialization of its SON-080 molecule for the treatment of DPN in India and the manufacturing, marketing, and commercialization of SON-080 for chemotherapy induced neuropathy (CIPN) and autonomic neuropathy in India. Alkem will conduct all clinical trials it believes appropriate to obtain regulatory approval in India of SON-080 for the treatment of DPN.

Summary of Financial Results for the Fiscal Year 2024

As of September 30, 2024, Sonnet had $0.1 million cash on hand. The Company believes that based on cash on hand at September 30, 2024, together with the approximate $7.7 million recently received through the sale of common stock and warrants in November and December 2024, $0.7 million received from the R&D Tax Incentive Program in Australia in November 2024 to satisfy the Company’s incentive tax receivable, and $0.5 million received in October 2024 as an upfront payment related to the License Agreement, which after tax withholdings resulted in a net payment of $0.4 million, it has sufficient funds for projected operations into July 2025.

Research and development expenses were $5.7 million for the year ended September 30, 2024, compared to $11.8 million for the year ended September 30, 2023.

General and administrative expenses were $6.1 million for the year ended September 30, 2024, compared to $7.1 million for the year ended September 30, 2023.