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Live Notes, Real Time Conference Coverage 2020 AACR Virtual Meeting April 28, 2020 Symposium: New Drugs on the Horizon Part 3 12:30-1:25 PM

New Drugs on the Horizon: Part 3
Introduction

Andrew J. Phillips, C4 Therapeutics

symposium brought by AACR CICR and had about 30 proposals for talks and chose three talks
unfortunately the networking event is not possible but hope to see you soon in good health

ABBV-184: A novel survivin specific T cell receptor/CD3 bispecific therapeutic that targets both solid tumor and hematological malignancies

Edward B Reilly
AbbVie Inc. @abbvie

T-cell receptors (TCR) can recognize the intracellular targets whereas antibodies only recognize the 25% of potential extracellular targets
survivin is expressed in multiple cancers and correlates with poor survival and prognosis
CD3 bispecific TCR to survivn (Ab to CD3 on T- cells and TCR to survivin on cancer cells presented in MHC Class A3)
ABBV184 effective in vivo in lung cancer models as single agent;
in humanized mouse tumor models CD3/survivin bispecific can recruit T cells into solid tumors; multiple immune cells CD4 and CD8 positive T cells were found to infiltrate into tumor
therapeutic window as measured by cytokine release assays in tumor vs. normal cells very wide (>25 fold)
ABBV184 does not bind platelets and has good in vivo safety profile
First- in human dose determination trial: used in vitro cancer cell assays to determine 1st human dose
looking at AML and lung cancer indications
phase 1 trial is underway for safety and efficacy and determine phase 2 dose
survivin has very few mutations so they are not worried about a changing epitope of their target TCR peptide of choice

The discovery of TNO155: A first in class SHP2 inhibitor

Matthew J. LaMarche
Novartis @Novartis

SHP2 is an intracellular phosphatase that is upstream of MEK ERK pathway; has an SH2 domain and PTP domain
knockdown of SHP2 inhibits tumor growth and colony formation in soft agar
55 TKIs there are very little phosphatase inhibitors; difficult to target the active catalytic site; inhibitors can be oxidized at the active site; so they tried to target the two domains and developed an allosteric inhibitor at binding site where three domains come together and stabilize it
they produced a number of chemical scaffolds that would bind and stabilize this allosteric site
block the redox reaction by blocking the cysteine in the binding site
lead compound had phototoxicity; used SAR analysis to improve affinity and reduce phototox effects
was very difficult to balance efficacy, binding properties, and tox by adjusting stuctures
TNO155 is their lead into trials
SHP2 expressed in T cells and they find good combo with I/O with uptick of CD8 cells
TNO155 is very selective no SHP1 inhibition; SHP2 can autoinhibit itself when three domains come together and stabilize; no cross reactivity with other phosphatases
they screened 1.5 million compounds and got low hit rate so that is why they needed to chemically engineer and improve on the classes they found as near hits

Closing Remarks

Xiaojing Wang
Genentech, Inc. @genentech

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Meeting Announcement: Cancer Immunotherapy and Combinations June 15-16 2016

Posted in Cancer - General, Cancer and Current Therapeutics, FDA, FDA Regulatory Affairs, Immunodiagnostics, Immunology, Immunotherapy, tagged bispecific antibodies, Cancer - General, Cancer immunology, cancer immunotherapeutics, Cancer immunotherapy, cancer vaccine, PD1, vaccine on February 12, 2016| Leave a Comment »

Meeting Announcement: Cancer Immunotherapy and Combinations June 15-16 2016

Reporter: Stephen J. Williams, PhD

Cancer Immunotherapy & Combinations – June 15-16, 2016 in Boston, MA

#CHIWPC16

Final Brochure PDF | Learn More | Sponsorship & Exhibit Details | Register by March 4 & SAVE up to $400!

Cambridge Healthtech Institute’s inaugural Cancer Immunotherapy and Combinations meeting will convene immuno-oncology researchers, cancer immunotherapy developers, and technology providers to discuss next-generation approaches and combinations, including small molecule development, to enhance the efficacy of checkpoint inhibitors.

BISPECIFIC ANTIBODIES – DUAL TARGETING

FEATURED PRESENTATION: ANTI-PD1 OR CD137 ENHANCES NK-CELL CYTOTOXICITY TOWARDS CD30+ HODGKIN LYMPHOMA INDUCED BY CD30/CD16A TANDAB AFM13
Martin Treder, Ph.D., CSO, R&D, Affimed

In vivo Efficacy of Bispecific Antibodies Targeting Two Immune-Modulatory Receptors
Jacqueline Doody, Ph.D., Vice President, Immunology, F-star Biotechnology, Ltd

Dual-Targeting Bispecific Antibodies for Selective Neutralization of CD47 on Cancer Cells
Krzysztof Masternak, Ph.D., Head, Biology, Therapeutic Antibody Discovery, Novimmune

Update on MCLA-134: A Biclonics® Binding Two Immunomodulatory Targets Expressed by T Cells
Mark Throsby, Ph.D., CSO, Merus

The ImmTAC Technology: A Cutting-Edge Immunotherapy for Cancer Treatment
Samir Hassan, Ph.D., Director, Translational Research & Development, Immunocore Ltd.

RADIOTHERAPY AND CHEMOTHERAPY – PD-1 COMBINATIONS

Rational Development of Combinations of Antiangiogenic Therapy with Immune Checkpoint Blockers Using Mouse Models of HCC and Cirrhosis
Dan Duda, D.M.D., Ph.D., Associate Professor, Steele Laboratories for Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School

Harnessing the Immune Microenvironment of Gastrointestinal Cancers Using Combined Modalities
Osama Rahma, M.D., Assistant Professor, Internal Medicine/Oncology, University of Virginia

AGONIST – PD-1 AND CTLA-4 COMBINATIONS

The Role of the Target in the Disposition and Immunogenicity of an Anti-GITR Agonist Antibody
Enrique Escandón, Ph.D., Senior Principal Scientist, DMPK and Disposition, Merck

Combination of 4-1BB Agonist and PD-1 Antagonist Promotes Antitumor Effector/Memory CD8 T Cells
Changyu Wang, Ph.D., Director, Cancer Immunology, Pfizer

Combination Immunotherapy with Checkpoint Blockade, Agonist Anti-OX40 mAb, and Vaccination Rescues Anergic CD8 T Cells
William Redmond, Ph.D., Associate Member, Laboratory of Cancer Immunotherapy, Earle A. Chiles Research Institute, Providence Portland Medical Center

Interactive Breakout Discussion Groups with Continental Breakfast

This session features various discussion groups that are led by a moderator/s who ensures focused conversations around the key issues listed. Attendees choose to join a specific group and the small, informal setting facilitates sharing of ideas and active networking. Continental breakfast is available for all participants.

Topic: Small Molecule Targeting of IDO1 and TDO for Cancer Immunotherapy

Moderator: Rogier Buijsman, Ph.D., Head, Chemistry, Netherlands Translational Research Center B.V. (NTRC)

Overcoming challenges of current IDO1 inhibitors lacking selectivity over TDO and having suboptimal drug-like properties
Advances in IDO1 and TDO inhibitor screening
Is selective IDO1 or TDO inhibitors is required, or a dual IDO1/TDO inhibitor is preferred to obtain optimal efficacy and safety in the clinic?

Topic: Strategies for Developing Bispecific Antibodies for Cancer Immunotherapy

Moderator: Krzysztof Masternak, Ph.D., Head, Biology, Therapeutic Antibody Discovery, Novimmune

Considerations for efficacy in vitro and in vivo: selectivity for tumor cells, ADCP, ADCC, in vivo efficacy (xenograft models)
Insights into mechanisms of action
Safety considerations: binding selectivity, PK and tox studies

Topic: Combining Standard Antiangiogenic Therapy with Immune Checkpoint Inhibitors

Moderator: Dan Duda, D.M.D., Ph.D., Associate Professor, Steele Laboratories for Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School

Will checkpoint combination with chemotherapy or other targeted agents prove to have too many toxicity issues?
How do we minimize overlapping toxic effects of radiation and immunotherapy?
How to optimize the sequencing of these two treatment modalities?

SMALL MOLECULE INHIBITORS AS SINGLE AND CHECKPOINT COMBINATION AGENTS

Selective Small Molecule Inhibitors of IDO1 and TDO for Cancer Immunotherapy
Rogier Buijsman, Ph.D., Head, Chemistry, Netherlands Translational Research Center B.V. (NTRC)

Potent and Selective Small Molecule USP7 Inhibitors for Cancer Immunotherapy
Suresh Kumar, Ph.D., Director, R&D, Progenra, Inc.

Epigenetic Agents for Combination with Cancer Immunotherapy
Svetlana Hamm, Ph.D., Head, Biology, Translational Pharmacology, 4SC Group

VACCINES AND CHECKPOINT BLOCKADE IMMUNOTHERAPY

Immunotherapy for Mesothelioma with an in vivo DC Vaccine and PD-1/PD-L1 Blockade
Huabiao Chen, M.D., Ph.D., Principal Investigator, Vaccine and Immunotherapy Center, Massachusetts General Hospital

Bringing Together Checkpoint Inhibition with Vaccines Using Customizing Capsids
Willie Quinn, Ph.D., President & CEO, Bullet Bio

Recommended All Access Package:

June 14 SC1: Immunosequencing: Generating a New Class of Cancer Immunotherapy Diagnostics*

June 14 SC5: Convergence of Immunotherapy and Epigenetics for Cancer Treatment*

June 14 SC8: Rational Design of Cancer Combination Therapies*

June 15-16: Cancer Immunotherapy and Combinations

June 16-17: Tumor Models for Cancer Immunotherapy

* Separate registration required.

Exhibit booth space has sold out! The few remaining spaces are being sold via sponsorship only. To customize yoursponsorship package, please contact:
Joseph Vacca, M.Sc., Associate Director, Business Development, 781-972-5431, jvacca@healthtech.com

For more information visit

WorldPreclinicalCongress.com/Cancer-Immunotherapy-Combinations

Cambridge Healthtech Institute, 250 First Avenue, Suite 300, Needham, MA 02494 healthtech.com
Tel: 781-972-5400 | Fax: 781-972-5425

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