Norgine welcomes TGA registration in Australia of IFINWIL® (eflornithine) for adults and children diagnosed with high-risk neuroblastoma (HRNB)

On April 17, 2025 Norgine reported that the Australian Therapeutic Goods Administration (TGA) has approved the registration of IFINWIL (eflornithine) for the treatment of adults and paediatric patients with high-risk neuroblastoma (HRNB), who have responded to prior multiagent, multimodality therapy (Press release, Norgine, APR 16, 2025, View Source [SID1234651964]).

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Neuroblastoma Australia welcomed the news today:

"On behalf of all families of children impacted by neuroblastoma, we welcome the TGA’s decision to approve IFINWIL. We urgently need treatments for children diagnosed with neuroblastoma and this milestone marks a step in the right direction towards a better future for children and their families. We thank the Federal Government for taking action to ensure access and we look forward to continued support for children with aggressive cancers." said Lucy Jones, CEO Neuroblastoma Australia.

High Risk Neuroblastoma is a rare but aggressive form of cancer, predominantly affecting children and most commonly presenting in the first 5 years of life2. Each year in Australia, approximately 50 children are diagnosed with neuroblastoma, with about half of these cases being classified as high risk neuroblastoma3,4. Neuroblastoma originates in the body’s nerve cells (neuroblasts) and typically presents as a primary tumour in the adrenal glands5. It is considered an aggressive tumour because it often spreads to other parts of the body (metastasizes). In most cases, it has spread by the time it is diagnosed5.

"We are committed to improving the lives of children and their families living with high-risk neuroblastoma" said Gus Rudolph, General Manager, Norgine, Australia. "This rare childhood cancer has devastating consequences for those impacted and while more needs to be done to improve treatment outcomes, we would like to recognise the TGA for their work to-date on this approval. Norgine will continue to engage with the relevant stakeholders to bring IFINWIL to patients as quickly as possible."

"This approval, as part of the Project Orbis initiative, represents a vital step forward in ensuring access to innovative cancer treatments for patients around the world," said Dr. David Gillen, Chief Medical Officer, Norgine. "By working collaboratively with international regulatory partners, we are able to help bring promising therapies to paediatric patients sooner – a goal that is especially important when time is critical. We’re proud to support Project Orbis as we strive to expedite access to high-impact oncology medicines."

Receiving the TGA approval is an important milestone on the path to realising sustainable and equitable access. IFINWIL is not currently included on the PBS.

Please refer to the IFINWIL Consumer Medicines Information (CMI) for full safety information on risks, side effects and precautions including the risk of low red blood cells (anaemia), low neutrophils (blood cells that fight infection), low platelets (clotting cells), increase in liver enzymes, and hearing loss or problems balancing.1

Notes to Editors:

About IFINWIL

IFINWIL has been investigated for use as a post maintenance treatment for high-risk neuroblastoma (HRNB) in paediatric patients with no active disease (NAD) / no evidence of disease (NED) after first line multiagent, multimodality therapy.6 IFINWIL is a therapy that blocks an enzyme called ornithine decarboxylase (ODC) responsible for producing polyamines, which are important to tumour growth and development 7.

For more information on IFINWIL, find the CMI here: IFINWIL Consumer Medicine Information (CMI) or the Therapeutic Goods Administration at View Source or speak to your healthcare practitioner.

High-Risk Neuroblastoma (HRNB) Treatment Background

Children diagnosed with HRNB undergo an intense treatment regimen that still leaves them vulnerable to relapse and death.8 Although there have been some improvements in survival, children with high risk neuroblastoma still face a 30% chance of recurrence (relapse) within the first 5 years post maintenance, and have an extremely poor prognosis and low likelihood of long term survival9 (e.g. estimates as low as 15% of patients will live for five years after relapsing).10 Avoiding relapse is key to long-term survival, and until now, there have been no approved therapies for the post maintenance treatment period in major markets outside of the United States11.

About Project Orbis

Project Orbis is an initiative (since May 2019) of the US FDA Oncology Center of Excellence (OCE) and provides a framework for concurrent submission and collaborative review of innovative oncology products among international regulatory authorities. It was created with the overarching goal to speed worldwide patient access to innovative cancer therapies. Project Orbis is coordinated by the FDA, and its partners include United Kingdom Medicines and Healthcare Products regulatory Agency (UK MHRA), Australia Therapeutic Goods Administration (TGA), Canada (Health Canada), Singapore (Health Sciences Authority (HSA), Switzerland (Swissmedic), Brazil (Agência Nacional de Vigilância Sanitária (ANVISA), Israel (Ministry of Health).

In April 2024, Norgine submitted an application for approval of eflornithine in high-risk neuroblastoma (HRNB), via Project Orbis in Australia, Switzerland and the United Kingdom. This milestone supports Norgine’s efforts to deliver patient access to eflornithine and bring a further treatment option in the field of paediatric oncology.

Leap Therapeutics to Host Virtual KOL Event to Discuss Sirexatamab (DKN-01) in Second-line Patients with Advanced Microsatellite Stable Colorectal Cancer

On April 15, 2025 Leap Therapeutics, Inc. (Nasdaq: LPTX), a biotechnology company focused on developing targeted and immuno-oncology therapeutics, reported it will host a virtual key opinion leader (KOL) event featuring Zev A. Wainberg, MD, Professor of Medicine at University of California, Los Angeles (UCLA) and co-director of the UCLA GI Oncology Program, on Wednesday, April 23, 2025 at 2:30 p.m. ET (Press release, Leap Therapeutics, APR 15, 2025, View Source [SID1234651948]).

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Dr. Wainberg will connect with Leap’s Chief Medical Officer, Cynthia Sirard, MD, to discuss the unmet need and how sirexatamab (DKN-01) may improve upon the current treatment landscape for previously treated patients with advanced microsatellite stable (MSS) colorectal cancer (CRC).

The event will focus on reviewing the positive data from Part B of the Phase 2 DeFianCe study of sirexatamab in second-line patients with advanced MSS CRC. Sirexatamab, Leap’s most advanced clinical program, is a humanized monoclonal antibody targeting the Dickkopf-1 (DKK1) protein.

A live Q&A will follow the discussion. A replay of the event will be available for a limited time on the Investors page of the Company’s website at View Source

About Zev A. Wainberg, MD
Zev A. Wainberg, MD, is the Professor of Medicine at UCLA and co-director of the UCLA GI Oncology Program. He was trained in medical oncology and hematology at UCLA. He completed his residency training at Albert Einstein College of Medicine and received his MD from the Sackler School of Medicine, New York Program at Tel Aviv University. His research involves a variety of clinical trials in multiple gastrointestinal cancers including pancreas, colon, gastric, and esophageal. Dr. Wainberg’s laboratory-based research efforts involve the testing of novel therapeutics against all gastrointestinal cancers. Currently, he is the recipient of several grants focused on the targeting of cancer stem cells and in molecular classification of gastrointestinal cancers.

Accent Therapeutics Announces First Patient Dosed in Phase 1/2 Trial of Novel KIF18A Inhibitor ATX-295 and Receives FDA Fast Track Designation for Lead Assets ATX-295 and DHX9 Inhibitor ATX-559

On April 15, 2025 Accent Therapeutics, a clinical-stage biopharmaceutical company focused on novel, targeted, small molecule cancer therapeutics, reported that the first patient has been dosed in a first-in-human Phase 1/2 clinical trial evaluating the safety and tolerability of ATX-295, a potential best-in-class oral KIF18A inhibitor (Press release, Accent Therapeutics, APR 15, 2025, View Source [SID1234651949]). In addition, the company has received Fast Track designation from the U.S. Food and Drug Administration (FDA) for ATX-295 for the treatment of adult patients with advanced/metastatic platinum-resistant or refractory ovarian cancer, and for ATX-559, a first-in-class potent and selective inhibitor of DHX9, for the treatment of adult patients with unresectable/metastatic dMMR/MSI-H colorectal cancer post checkpoint inhibitor treatment.

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"Cancers with high chromosomal instability, such as in certain ovarian, breast, and lung cancers, collectively affect a large patient population but have limited treatment options. With ATX-295 entering the clinic, we are excited to translate multiple years of KIF18A research into the development of a potentially best-in-class program," said Jason Sager, M.D., Chief Medical Officer of Accent Therapeutics. "With the launch of our Phase 1/2 clinical trial of ATX-295, we now have two investigational drugs in the clinic, bringing us closer to achieving our mission of transforming cancer care. Additionally, receiving FDA Fast Track designation for both of our lead assets underscores the power of our approach and the potential for these investigational drugs to urgently address high unmet medical needs."

ATX-295 is a selective inhibitor of KIF18A, a mitotic kinesin motor protein critical for cell division in select tumors with chromosomal instability, but not in healthy cells. Accent has demonstrated that its novel, potent, and selective small molecule KIF18A inhibitor displays selective dose-dependent tumor growth inhibition in preclinical models, including in high grade serous ovarian cancer and triple negative breast cancer, supporting its advancement to the clinic.

The ATX-295 Phase 1/2 open-label, dose-escalation and expansion study (NCT06799065) is designed to evaluate the molecule’s safety profile at multiple dose levels, assessing the tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of orally administered ATX-295. The trial is enrolling patients with locally advanced or metastatic solid tumors, including high-grade serious ovarian cancer.

The initiation of the Phase 1/2 ATX-295 study follows closely after Accent’s initial clinical asset, ATX-559, a first-in-class oral inhibitor of DHX9, entered clinical evaluation in late 2024. Both clinical assets have been granted Fast Track status by the FDA. Fast Track designation is designed to facilitate the development and expedite the review of novel drug candidates that address serious conditions marked by unmet medical need, with the aim of accelerating patient access to novel treatment options.

Accent will present new preclinical data supporting the continued clinical assessment of ATX-295 and ATX-559 at the 2025 AACR (Free AACR Whitepaper) Annual Meeting taking place April 25-30 in Chicago, Illinois. Accent will also present a trial-in-progress update on the ATX-559 Phase 1/2 clinical trial at the 2025 ASCO (Free ASCO Whitepaper) Annual Meeting taking place May 30 – June 3 in Chicago, Illinois.

About ATX-559
ATX-559 is a first-in-class potent and selective inhibitor of DHX9, a novel and previously undrugged RNA and DNA/RNA helicase, shown to play a critical role in tumors with high levels of replication stress (including breast, ovarian, colorectal, endometrial, gastric, and others), representing large patient populations with significant unmet medical need. DHX9 has been reported to play important roles in replication, transcription, translation, RNA splicing, RNA processing, and maintenance of genomic stability, making it a compelling novel oncology target. In addition to exploiting key tumor vulnerabilities in DNA repair deficient backgrounds (e.g., BRCA) and hyper-mutated states (e.g., MSI-H/dMMR), Accent is exploring the sensitivity of other tumor types to DHX9 inhibition, and the potential to combine DHX9 inhibitors with other cancer treatments to maximize its full potential for helping patients. Accent retains full worldwide rights to ATX-559, currently being evaluated in a Phase 1/2 clinical trial (NCT06625515), and the DHX9 program.

About ATX-295
Accent’s second lead program, ATX-295, is a potential best-in-class inhibitor for KIF18A which may address a large patient population across several cancer indications, including ovarian and triple negative breast cancer (TNBC). KIF18A is a mitotic kinesin motor protein critical for cell division in select tumors with chromosomal instability, but not in healthy cells. KIF18A inhibitor treatment results in rapid cell death for cancers with an abnormal number of chromosomes (aneuploid) in vitro and in vivo, while cells with normal numbers of chromosomes (euploid) are unaffected. Accent retains full worldwide rights to the KIF18A program, currently being evaluated in a Phase 1/2 clinical trial enrolling solid tumor patients (NCT06799065).

Baylink To Highlight New Preclinical Data At The American Association For Cancer Research (AACR) Annual Meeting

On April 15, 2025 Baylink Biosciences reported that new preclinical data from its portfolio will be presented at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting from April 25-30, 2025, in Chicago, IL (Press release, Baylink Biosciences, APR 15, 2025, https://www.baylinkbio.com/post/lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit [SID1234652037]). These data provide insights into the potential of Baylink’s innovative Antibody Drug Conjugate platform in treatment of cancers with high unmet medical need. Scientists at Baylink have invented a platform technology that enables the delivery of a variety of payloads including hydrophobic chemotherapy and protein degrader drugs at a high drug to antibody ratio while preserving stability and pharmacokinetic characteristics to enable application in ADC format. The innovative linker panel combined with Baylink’s proprietary payloads create a deep well of products, including dual payload ADC designs, and Degrader Antibody Conjugates (DAC) with potential application in cancer treatment.

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Preclinical data from Baylink’s most advanced candidate (BLB-101) will be presented. BLB-101 is an antibody drug conjugate designed to target Claudin 6/9 and deliver the topoisomerase 1 inhibitor, exatecan in a highly efficient manner with a drug to antibody ratio of 8. Claudin 6 (CLDN6) is a tight junction protein that is highly expressed in various human cancers, including ovarian cancer, endometrial cancer, and non-small cell lung cancer (NSCLC), but is absent in normal adult tissues. Claudin 9 (CLDN9), which shares high homology with CLDN6, exhibits a similar expression pattern—being nearly undetectable in normal tissues but upregulated in ovarian and endometrial cancers.

Data generated to support the rationale for Baylink’s innovative linker platform will also be presented. Baylink’s linker platform is designed to reduce non-specific uptake into healthy tissues and cells while enhancing potency by improving ADC’s homogeneity, stability, PK, and efficacy. The platform also has the ability to deliver ADCs with multiple payload classes.

"We are very pleased to share these results from Baylink’s innovative antibody drug conjugate platform. The data presented at this year’s AACR (Free AACR Whitepaper) meeting demonstrate the potential for Baylink’s technology to overcome critical challenges in the ADC field," said Alice Chen, PhD, Chief Scientific Officer and Founder of Baylink. "In addition to sharing details on our platform technology, we are presenting data for one of our lead products, BLB-101, a novel antibody targeting CLDN6/9, conjugated to our linker BL001 delivering exatecan. We believe BLB-101 offers the potential for best in class performance for CLDN6/9+ tumors such as ovarian, endometrial, and lung cancer."

A linker platform for antibody drug conjugates (ADCs): expanding the therapeutic window

Poster number:7463

Session Date and Time: April 30, 2025, 9:00 AM – 12:00 PM

Preclinical evaluation of BLB-101, a topoisomerase-inhibitor-based anti-CLDN6/9 antibody-drug conjugate featuring a proprietary hydrophilic linker

Poster number:1578

Session Date and Time: April 28, 2025, 9:00 AM – 12:00 PM

About Baylink Biosciences innovative linker technology

Baylink’s linker technology was designed to overcome key challenges in the antibody drug conjugate field such as tumor resistance, lack of payload diversity, and narrow therapeutic window. Using proprietary, innovative linker designs, Baylink scientists created a panel of linkers enabling delivery of challenging drug payloads. Drugs that are hydrophobic in nature are problematic for delivery using traditional ADC linker technology. Baylink scientists incorporated design features into the linker technology that allows conjugation of these hydrophobic payloads with high DAR. Additionally, the linker technology effectively reduces non-tumor-antigen-specific uptake into healthy tissues and cells reducing potential for adverse events. The overall resulting ADCs have potential for better efficacy and safety. The platform is also enabling delivery of multiple payloads, so called dual payload ADCs.

Annual report [Section 13 and 15(d), not S-K Item 405]

On April 15, 2025 Vaccinex reported its annual report for the year 2024 (Filing, 3 mnth, DEC 31, Vaccinex, 2024, APR 15, 2025, View Source [SID1234652129]).

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