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Tubulis GmbH. (3/5/24). "Press Release: Tubulis to Present Preclinical Proof-of-Concept Data for Two Lead ADC Candidates Targeting Solid Tumors at the AACR Annual Meeting 2024". Munich.
Region | San Diego, CA | |
Country | United States (USA) | |
Organisation | Tubulis GmbH | |
Group | Tubulis (Group) | |
Organisation 2 | American Association for Cancer Research (AACR) | |
Product | TUB-030 (ADC addressing tumor-antigen 5T4, Tubulis) | |
Product 2 | AACR Annual Meeting 2024 San Diego | |
Person | Helma-Smets, Jonas (Tubulis 201907– Managing Director (CSO) + Co-Founder) | |
Person 2 | Schumacher, Dominik (Tubulis 201907– Managing Director (CEO) + Co-Founder) | |
Tubulis today announced that two abstracts with comprehensive preclinical data on their next-generation antibody-drug conjugate (ADC) candidates TUB-030 and TUB-040, have been accepted for poster presentations at the Annual Meeting of the American Association for Cancer Research (AACR), taking place April 5-10, 2024 in San Diego.
Tubulis is building a pipeline of uniquely matched ADCs, tailored to respective disease biology by leveraging the company’s proprietary suite of platform technologies to combine the right targeting molecule, conjugation chemistry and payload. TUB-030 is directed against the tumor-associated antigen 5T4 which addresses a wide range of solid tumor indications. TUB-040 targets Napi2b, a well-characterized target in ovarian and lung cancer. Both ADC candidates are optimized for long-lasting, durable tumor engagement and minimal off-target toxicity.
“Our novel technologies allow us to push the boundaries of ADC design to fully leverage the biology of well-understood therapeutic targets as well as unlock less-validated ones to create treatments that deliver meaningful patient benefit. The results we will present at the AACR Annual Meeting will highlight the preclinical differentiation of our two lead candidates, TUB-030 and TUB-040. We believe that these two ADC candidates hold great potential to effectively enable durable responses and prolong overall survival in patients with a broad range of solid tumors while maintaining a significant safety and tolerability profile,” said Jonas Helma-Smets, Chief Scientific Officer of Tubulis. “We look forward to further investigating the impact these two candidates can make in the clinic.”
Details of the poster presentations:
TUB-030 Poster Information
Title: Enabling 5T4 for targeted cancer therapy: TUB-030, a novel ADC built with ethynylphosphonamidate conjugation chemistry, shows long-lasting anti-tumor
activity via Topoisomerase-I inhibition with an optimized therapeutic index
Presenter: Jonas Helma-Smets, CSO of Tubulis
Session Category and Title: Immunology – Antibody-Drug Conjugates
Session Date and Time: Monday, Apr 8, 2024, 1:30 PM – 5:00 PM PT
Location: Poster Section 2
Abstract Number: 2623
The poster will highlight the pre-clinical proof-of-concept data for TUB-030, an ADC that targets the oncofetal 5T4 antigen. 5T4 is a tumor-associated protein that is overexpressed in various types of cancers, including bladder, lung, breast, stomach, esophagus, head and neck, colon, and ovarian cancer. Tubulis’ ADC candidate differs from previous ADCs targeting 5T4 by implementing several layers of differentiation in terms of antibody, payload and conjugation technology. It combines the company’s proprietary P5 conjugation technology with its Tubutecan topoisomerase-I payload platform, resulting in a homogenous DAR (drug-antibody-ratio) of 8. TUB-030 has shown strong cytotoxicity towards cancer cells from different tumor indications with a broad range of 5T4 expression levels. Pharmacokinetic analysis further demonstrated the highly stable profile of TUB-030, enabling the efficient delivery of the payload to the tumor.
TUB-040 Poster Information
Title: TUB-040, a novel Napi2b-targeting ADC built with ethynylphosphonamidate conjugation chemistry, demonstrates high and long-lasting anti-tumor efficacy via Topoisomerase-I inhibition and excellent tolerability predictive of a wide therapeutic window in humans
Presenter: Jonas Helma-Smets, CSO of Tubulis
Session Category and Title: Immunology – Antibody-Drug Conjugates
Session Date and Time: Monday, Apr 8, 2024, 1:30 PM – 5:00 PM PT
Location: Poster Section 2
Published Abstract Number: 2622
The poster will provide a detailed overview of the preclinical proof-of-concept for TUB-040. The ADC candidate is directed against Napi2b, an antigen highly overexpressed in ovarian cancer and lung adenocarcinoma. Its IgG1 antibody targeting Napi2b is connected to its payload, the Topoisomerase I inhibitor Exatecan through a cleavable linker system. The company’s P5 conjugation technology was used to build TUB-040 with a homogenous DAR of 8. TUB-040 induces DNA damage and cell death, without causing unspecific uptake and cytotoxicity in healthy, target-negative cells. Moreover, Pharmacokinetic analysis showed that TUB-040 is highly stable, thus efficiently delivering its payload to the tumor while reducing offsite toxicities.
The full abstracts will be published on March 22, 2024, in an online-only proceedings supplement to the AACR journal, Cancer Research. The company will issue a press release detailing the full preclinical data following the presentation at AACR.
About Tubulis
Tubulis generates uniquely matched protein-drug conjugates through the combination of novel proprietary technologies and disease-specific biologic insight. Our goal is to expand the therapeutic potential of antibody-drug conjugates (ADCs) by increasing design flexibility while overcoming constraints of toxicity, efficacy and indication. Tubulis will build new conjugates to fill its growing pipeline and will continue to collaborate with industry partners to usher in a new ADC era and deliver better outcomes for patients.
Contacts
For Tubulis
Dominik Schumacher,
CEO & Co-Founder
Phone: +49 175 800 5594
Email: contact@tubulis.com
Media Requests for Tubulis
Trophic Communications
Stephanie May or Marie Weickert
Phone: + 49 171 185 5682
Email: tubulis@trophic.eu
Record changed: 2024-04-19 |
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More documents for Tubulis (Group)
- [1] Tubulis GmbH. (3/14/24). "Press Release: Tubulis Closes Upsized €128 Million Series B2 to Accelerate Clinical Development of Solid Tumor-Focused ADC Pipeline". Munich....
- [2] Tubulis GmbH. (4/20/23). "Press Release: Tubulis Announces Strategic License Agreement with Bristol Myers Squibb to Develop Next Generation ADCs for the Treatment of Cancer Patients". Munich....
- [3] Tubulis GmbH. (5/3/22). "Press Release: Tubulis Closes €60 Million Series B Financing to Accelerate its ADC Pipeline and Expand its Breadth of Platform Technologies". Munich....
- [4] Tubulis GmbH. (7/21/20). "Press Release: Tubulis Raises €10.7 M Series A to Advance Development of a New Generation of Antibody-Drug Conjugates". Munich....
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