On December 4, 2025 OTR Therapeutics, a biotechnology company dedicated to transforming early-stage innovations into globally impactful therapies, emerged from stealth and reported the successful completion of a $100 million Series A financing closed in June 2025. The round was backed by True Light Capital, a wholly-owned subsidiary of Temasek, LAV, Pfizer Ventures, and Sirona Capital.

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Founded in March 2025, OTR Therapeutics is establishing a novel, scalable, and capital-efficient model that synergizes internal R&D with strategic curation of high-potential external innovation. This integrated approach enables the company to focus on scientific rigor and operational agility, leveraging its deep regional insights and the development efficiency of the local ecosystem to accelerate innovative therapies to patients worldwide.

The proceeds of the financing will advance OTR’s pipeline of differentiated programs that target significant treatment gaps in immunology & inflammation, oncology, and other disease areas. The funds will also expand OTR’s R&D hub capability, which emphasizes both scientific excellence and strategic partnership agility to foster expedited development of high-impact therapies.

In line with its strategy, OTR also announced the acquisition of a preclinical program with best-in-class potential for neurological diseases with high unmet needs. This acquisition is part of the company’s strategic and ongoing efforts to identify and advance promising early-stage assets into global clinical development, alongside its internal proprietary discovery programs to address a broader range of critical patient needs.

"The rapidly evolving global pharmaceutical R&D landscape demands greater novelty, speed and efficiency," said Dr. Zhui Chen, Founder and CEO of OTR Therapeutics. "At OTR, we aim to build a next-generation biotech model that delivers unprecedented R&D and capital efficiency. It enables us to stay agile while remaining rigorously focused on propelling novel, differentiated drug candidates through global clinical translation in a disciplined and efficient manner. We are grateful for the strong support from our investors and their confidence in our vision and capability to deliver transformative therapies for patients."

Co-founded by Zhui Chen, Ph.D., Shannon Chuai, Ph.D., and Yuan Shi, Ph.D., OTR Therapeutics is led by a team of seasoned drug hunters and entrepreneurs in the biotech and pharmaceutical industries with a proven track record of delivering breakthrough innovation, operational excellence, and financial success.

Yi Shi, Managing Director, LAV: "We believe the biopharma industry is shifting towards more capital-efficient and specialized R&D models. OTR Therapeutics is at the forefront of this evolution, demonstrating how a focused, integrated framework can expedite the journey of translating early-stage innovation into global clinical development."

Michael Baran, Partner, Pfizer Ventures: "Pfizer Ventures identifies and invests in emerging companies who are developing innovative medicines and technologies that have the potential to shape the future of our industry. To this end, we’re pleased to be able to support OTR Therapeutics as it scales its R&D capabilities and builds a portfolio of potentially transformative therapies."

(Press release, OTR Therapeutics, DEC 4, 2025, View Source [SID1234661146])

On December 4, 2025 TransThera Sciences Inc. ("TransThera") reported the publication of clinical results from a US-based Phase 2 trial evaluating tinengotinib in patients with Cholangiocarcinoma (CCA) on The Lancet Gastroenterology and Hepatology (Impact Factor: 38.6).

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Cholangiocarcinoma (CCA) is an aggressive malignancy of the bile ducts, frequently driven by FGFR2 fusions-genomic alterations that are targetable by FGFR inhibitors such as pemigatinib and futibatinib. However, resistance to these agents commonly arises due to secondary FGFR2 mutations.

In a multicenter, open-label Phase 2 trial (NCT04919642), patients with FGFR2 fusion-positive CCA who had either primary resistance or developed acquired resistance to prior FGFR inhibitor (FGFRi) therapy were enrolled, along with patients harboring other FGFR alterations or FGFR wiled-type tumors. Tinengotinib demonstrated clinical activity in patients with FGFR2 fusion-positive CCA with acquired FGFRi resistance, as well as in those with other FGFR-altered subtypes.

Dr. Milind Javle of The University of Texas MD Anderson Cancer Center, corresponding author of the publication, stated: "We currently have two FDA-approved therapies targeting FGFR2 fusions in CCA. But resistance remains a major clinical challenge. As such, next generation FGFR inhibitors capable of overcoming resistance are urgently needed. Tinengotinib, as a multi-kinase FGFR inhibitor, is designed to inhibit both FGFR and compensatory pathways contributing to resistance. In this phase 2 study, tinengotinib demonstrated durable responses and meaningful clinical benefit. These promising results provide a strong rationale to proceed with a Phase 3 registration study".

Dr. Jean Fan, Chief Medical Officer of TransThera, also commented: "We are very pleased that the clinical trial results have gained peer recognition and were published in such a prestigious journal. This study provides important insights into treatment strategies for patients with FGFR-altered, chemotherapy- and FGFR inhibitor–refractory or relapsed CCA, including the comparison of tinengotinib versus physician’s choice. We are committed to advancing global enrollment and delivering new treatment options for patients with metastatic cholangiocarcinoma."

Disclaimer: This article serves as a press release by TransThera to disclose the company’s latest developments. It is not intended as a product promotion advertisement and does not constitute the company’s or investment advice.

About Tinengotinib

Tinengotinib is an internally discovered, registrational clinical stage, multi-kinase inhibitor that exerts antitumor effects by targeting FGFRs and VEGFRs, mitotic kinases Aurora A/B and Janus kinases (JAK). Ongoing clinical trials in the US and China have revealed the potential of tinengotinib to be efficacious in various solid tumors. It was granted the Orphan Drug Designation (ODD) and Fast Track Designation (FTD) by the FDA for the treatment of CCA, the Breakthrough Therapy Designation (BTD) by the National Medical Products Administration (NMPA) in China, the Orphan Drug Designation (ODD) for the treatment of biliary tract cancer by the European Medicines Agency (EMA). It was also approved for inclusion in the Priority Review and Approval Procedure by the NMPA for the treatment of CCA.

(Press release, TransThera Biosciences, DEC 4, 2025, View Source [SID1234661132])

On December 4, 2025 Biocytogen Pharmaceuticals (Beijing) Co., Ltd. (Biocytogen, HKEX: 02315), reported that its partner IDEAYA Biosciences, Inc. (Nasdaq: IDYA), a precision oncology company, has received the clearance of an investigational new drug (IND) application with the U.S. Food and Drug Administration (FDA) for the initiation of a Phase 1 clinical trial of IDE034, a potential first-in-class B7H3/PTK7 bispecific antibody-drug conjugate (ADC). IDEAYA expects to begin patient enrollment in Q1 2026, initially evaluating patients with solid tumors known to express B7H3 and PTK7, including lung, colorectal, head and neck, and ovarian/gynecological cancers.

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IDE034 is a bispecific B7H3/PTK7 TOP1 ADC, independently developed by Biocytogen and licensed to IDEAYA in July 2024. The IND clearance marks an important milestone for this licensed program, supporting subsequent clinical development of IDE034, while highlighting Biocytogen’s technical capabilities in bispecific ADC discovery and development.

Dr. Yuelei Shen, Chairman and CEO of Biocytogen, said: "The IND clearance for IDE034 is an important milestone in the development of this first-in-class TOP1 ADC licensed project, representing a significant advancement for IDEAYA in expanding its clinical pipeline with bispecific, precision-targeted strategies. It also validates our RenLite platform and proprietary linker-payload technologies that enable the discovery and optimization of bispecific ADCs. We look forward to seeing IDE034 demonstrate clinical potential across multiple B7H3/PTK7 co-expressing solid tumors, offering new therapeutic options for patients."

Preclinical studies have shown that IDE034 monotherapy induces deep and durable tumor regressions in multiple B7H3/PTK7-positive tumor models, demonstrating strong anti-tumor activity. In addition, IDEAYA plans to explore combination strategies with its PARG inhibitor IDE161 to enhance the durability of response and intends to present additional preclinical data supporting the combination rationale at a major medical conference in H1 2026. B7H3 and PTK7 are co-expressed in lung, colorectal, and head and neck cancers at approximately 30%, 46%, and 27%, respectively, indicating the broad clinical potential of IDE034.

Looking ahead, Biocytogen will continue to provide high-quality source antibodies through RenBiologics to support the clinical translation of licensed projects and actively explore additional early-stage assets for external licensing opportunities.

(Press release, Ideaya Biosciences, DEC 4, 2025, View Source [SID1234661147])

On December 4, 2025 Innovent Biologics (HKEX: 01801) reported that the global strategic collaboration with Takeda (TSE: 4502, NYSE: TAK) has closed and become effective following the satisfaction of all closing conditions. The collaboration, initially announced on October 22, 2025, aims to accelerate the global development and commercialization of Innovent’s next-generation immuno-oncology (IO) and antibody-drug conjugate (ADC) therapies, including the global partnership on IBI363 (PD-1/IL-2α-bias) and IBI343 (CLDN18.2 ADC), and an option for an early-stage program IBI3001 (EGFR/B7H3 ADC).

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Dr. Hui Zhou, Chief R&D Officer for Oncology Pipeline at Innovent, stated, "IBI363 and IBI343 represent our next-generation therapies designed to address critical unmet needs in global cancer treatment. With clear, aligned development plans, Innovent’s deep understanding of these assets, combined with Takeda’s extensive experience and strong development and commercialization capabilities, we are poised to maximize the clinical potential of these assets across multiple indications. We look forward to the collaboration with our partner going forward."

Under the agreement:

Innovent and Takeda will co-develop IBI363 globally, and co-commercialize IBI363 in the U.S., with Takeda leading the co-development and co-commercialization efforts under joint governance and aligned development plan. In addition, Innovent has granted Takeda exclusive commercialization rights for IBI363 outside Greater China and the U.S. Takeda has global manufacturing rights to supply IBI363 outside of Greater China, with such rights being co-exclusive with Innovent for commercial supply in the U.S.
Innovent has also granted Takeda exclusive global rights to develop, manufacture and commercialize IBI343 outside of Greater China.
Additionally, Takeda receives an exclusive option to license global rights for IBI3001, a first-in-class EGFR/B7H3 bispecific ADC in Phase 1 stage, outside Greater China.
Takeda will pay Innovent an upfront payment of US$1.2 billion, including a US$100 million equity investment in Innovent through new share issuance at premium, i.e., HK$112.56 per share. Furthermore, Innovent is eligible for development and sales milestone payments for IBI363, IBI343, and IBI3001 (if option exercised) totaling up to approximately $10.2 billion, for a total deal value of up to $11.4 billion. Innovent is also eligible to receive potential royalty payments for each molecule outside Greater China, except with respect to IBI363 in the U.S., where the parties will share profits or losses (40/60 Innovent/Takeda).

Detailed information about the collaboration can be found at the official website of Innovent Biologics.

(Press release, Innovent Biologics, DEC 4, 2025, View Source [SID1234661133])

On December 4, 2025 Arima Genomics, Inc., a company leveraging whole-genome sequence and structure information to provide comprehensive cancer therapy selection insights, reported new data to be presented at the 2025 American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting and Exposition taking place in Orlando, FL from December 6–9, 2025.

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In the largest cohort to date comparing the Hi-C–based method for genome-wide analysis of fusions and rearrangements used in the Aventa Lymphoma test with conventional fluorescence in situ hybridization (FISH) in diffuse large B-cell lymphoma (DLBCL), investigators showed that the Hi-C assay identified additional clinically relevant rearrangements that routine FISH panels missed, and did so with higher sensitivity for key biomarkers associated with diagnosis and prognosis.

The retrospective study evaluated FFPE tumor samples from 159 patients with DLBCL uniformly treated with R-CHOP. All cases had previously undergone FISH testing for MYC, BCL2 and BCL6 rearrangements. Using the same Hi-C sequencing method that underlies the clinically available Aventa Lymphoma test, researchers compared genome-wide structural rearrangement calls to clinical FISH results and assessed the potential clinical impact of discordant findings.

Hi-C sequencing detected additional biomarker rearrangements in approximately one-quarter of DLBCL cases beyond what FISH reported. These included:

MYC, BCL2, and BCL6 rearrangements that were not detected by standard FISH probes
Classification biomarkers for other lymphoma entities (such as CCND1, CCND3, IRF4, ALK and MALT rearrangements)
Rearrangements involving genes that may enable additional treatment options, including PD-L1 and ATM
Across rearrangements the investigators classified as clinically relevant in this cohort, standard FISH detected only about two-thirds, whereas the Hi-C assay detected nearly all of them — meaning that more than one-third of clinically relevant rearrangements would have been missed by FISH alone.

The additional findings were not merely incremental: they supported refinement of lymphoma classification and treatment considerations. In selected cases, the Hi-C results:

Helped distinguish DLBCL from high-grade B-cell lymphoma with double-hit features
Prompted reconsideration of a different diagnosis that would suggest an alternative treatment approach
Identified patients with rearrangements (such as PD-L1, ALK, or ATM) that could make them candidates for targeted therapies or clinical trials
"In this multi-center cohort of 159 R-CHOP–treated DLBCL patients, we directly compared Arima’s innovative, genome-wide Hi-C sequencing assay with the FISH panels that pathologists routinely use today," said Ken H. Young, MD, PhD, Professor of Pathology and Director of the Hematopathology Division at Duke University School of Medicine. "Hi-C sequencing uncovered additional clinically important rearrangements that routine testing missed and helped clarify the diagnosis or provide additional therapeutic biomarkers in multiple cases. These results indicate that this comprehensive structural assay can significantly improve the workflow of pathology laboratories, without the complexity of anticipating correct targets or the need to run iterative FISH studies in a stepwise process, and represents a clinically meaningful advance in lymphoma diagnostics."

"This largest study to date using our technology in lymphoma confirms what we have seen both in research settings and clinically with Aventa Lymphoma: when you look genome-wide, you consistently uncover clinically important rearrangements that targeted panels miss," said Anthony Schmitt, PhD, Senior Vice President, Science, at Arima Genomics. "With Aventa Lymphoma, we aim to give pathologists and oncologists a practical tool for more confident classification, more refined risk assessment, and better alignment of patients with evolving treatment options and clinical trials."

The data will be presented in a poster session on December 7, 2025, from 6:00 PM – 8:00 PM EST:

Abstract Number: abs25-9162
Title: Hi-c FFPE sequencing analysis is highly concordant with FISH and detects additional variants informing diagnosis and treatment in diffuse large B-cell lymphoma
Session Name: 621. Lymphomas: Translational – Molecular and Genetic: Poster I

(Press release, Arima Genomics, DEC 4, 2025, View Source [SID1234661148])