TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers

ABSTRACT: TNG908 is a clinical stage PRMT5 inhibitor with an MTA-cooperative binding mechanism designed to leverage the synthetic lethal interaction between PRMT5 inhibition and MTAP deletion. MTAP deletion occurs in 10–15 % of all human cancer representing multiple histologies. MTA is a negative re...

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Main Authors: Kimberly J. Briggs, Kevin M. Cottrell, Matthew R. Tonini, Alice Tsai, Minjie Zhang, Douglas A. Whittington, Wenhai Zhang, Steven A. Lombardo, Satoshi Yoda, Erik W. Wilker, Samuel R. Meier, Yi Yu, Teng Teng, Alan Huang, John P. Maxwell
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Translational Oncology
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Online Access:http://www.sciencedirect.com/science/article/pii/S1936523324003905
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author Kimberly J. Briggs
Kevin M. Cottrell
Matthew R. Tonini
Alice Tsai
Minjie Zhang
Douglas A. Whittington
Wenhai Zhang
Steven A. Lombardo
Satoshi Yoda
Erik W. Wilker
Samuel R. Meier
Yi Yu
Teng Teng
Alan Huang
John P. Maxwell
author_facet Kimberly J. Briggs
Kevin M. Cottrell
Matthew R. Tonini
Alice Tsai
Minjie Zhang
Douglas A. Whittington
Wenhai Zhang
Steven A. Lombardo
Satoshi Yoda
Erik W. Wilker
Samuel R. Meier
Yi Yu
Teng Teng
Alan Huang
John P. Maxwell
author_sort Kimberly J. Briggs
collection DOAJ
description ABSTRACT: TNG908 is a clinical stage PRMT5 inhibitor with an MTA-cooperative binding mechanism designed to leverage the synthetic lethal interaction between PRMT5 inhibition and MTAP deletion. MTAP deletion occurs in 10–15 % of all human cancer representing multiple histologies. MTA is a negative regulator of PRMT5 that accumulates as a result of MTAP deletion. In this study, we demonstrate that TNG908 selectively binds the PRMT5·MTA complex driving selective inhibition of PRMT5 in MTAP-null cancers, a mechanism that creates a large therapeutic index relative to first generation PRMT5 inhibitors that have alternative binding mechanisms that are not tumor-selective. Strong preclinical activity in multiple MTAP-deleted xenograft models, as well as demonstrated brain penetrance in preclinical models, support the potential for histology-agnostic clinical development of TNG908 in MTAP-deleted solid tumors, including CNS malignancies. TNG908 is being tested clinically in patients with MTAP-deleted tumors, including glioblastoma, in a Phase I/II clinical trial (NCT05275478).
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publishDate 2025-02-01
publisher Elsevier
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series Translational Oncology
spelling doaj-art-4696adece42546adac2fb883892bfaec2025-01-22T05:41:32ZengElsevierTranslational Oncology1936-52332025-02-0152102264TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancersKimberly J. Briggs0Kevin M. Cottrell1Matthew R. Tonini2Alice Tsai3Minjie Zhang4Douglas A. Whittington5Wenhai Zhang6Steven A. Lombardo7Satoshi Yoda8Erik W. Wilker9Samuel R. Meier10Yi Yu11Teng Teng12Alan Huang13John P. Maxwell14Corresponding author.; Tango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesTango Therapeutics, Tango Therapeutics, 201 Brookline Avenue, Boston, 02215, MA, United StatesABSTRACT: TNG908 is a clinical stage PRMT5 inhibitor with an MTA-cooperative binding mechanism designed to leverage the synthetic lethal interaction between PRMT5 inhibition and MTAP deletion. MTAP deletion occurs in 10–15 % of all human cancer representing multiple histologies. MTA is a negative regulator of PRMT5 that accumulates as a result of MTAP deletion. In this study, we demonstrate that TNG908 selectively binds the PRMT5·MTA complex driving selective inhibition of PRMT5 in MTAP-null cancers, a mechanism that creates a large therapeutic index relative to first generation PRMT5 inhibitors that have alternative binding mechanisms that are not tumor-selective. Strong preclinical activity in multiple MTAP-deleted xenograft models, as well as demonstrated brain penetrance in preclinical models, support the potential for histology-agnostic clinical development of TNG908 in MTAP-deleted solid tumors, including CNS malignancies. TNG908 is being tested clinically in patients with MTAP-deleted tumors, including glioblastoma, in a Phase I/II clinical trial (NCT05275478).http://www.sciencedirect.com/science/article/pii/S1936523324003905PRMT5MTAPMTA-cooperativesynthetic lethalitycollateral lethality
spellingShingle Kimberly J. Briggs
Kevin M. Cottrell
Matthew R. Tonini
Alice Tsai
Minjie Zhang
Douglas A. Whittington
Wenhai Zhang
Steven A. Lombardo
Satoshi Yoda
Erik W. Wilker
Samuel R. Meier
Yi Yu
Teng Teng
Alan Huang
John P. Maxwell
TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers
Translational Oncology
PRMT5
MTAP
MTA-cooperative
synthetic lethality
collateral lethality
title TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers
title_full TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers
title_fullStr TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers
title_full_unstemmed TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers
title_short TNG908 is a brain-penetrant, MTA-cooperative PRMT5 inhibitor developed for the treatment of MTAP-deleted cancers
title_sort tng908 is a brain penetrant mta cooperative prmt5 inhibitor developed for the treatment of mtap deleted cancers
topic PRMT5
MTAP
MTA-cooperative
synthetic lethality
collateral lethality
url http://www.sciencedirect.com/science/article/pii/S1936523324003905
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