Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials

Abstract Microtubule associated protein tau (MAPT) is a naturally occurring protein that plays a significant role in stabilizing microtubules, which are essential for the transport of nutrients and other materials within neurons. In tauopathies, tau protein assembles into mis-folded multimers rangin...

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Main Authors: Glenn A. Harris, Lauren R. Hirschfeld, M. Isabel Gonzalez, Martyn C. Pritchard, Patrick C. May
Format: Article
Language:English
Published: BMC 2025-06-01
Series:Alzheimer’s Research & Therapy
Subjects:
Online Access:https://doi.org/10.1186/s13195-025-01775-x
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author Glenn A. Harris
Lauren R. Hirschfeld
M. Isabel Gonzalez
Martyn C. Pritchard
Patrick C. May
author_facet Glenn A. Harris
Lauren R. Hirschfeld
M. Isabel Gonzalez
Martyn C. Pritchard
Patrick C. May
author_sort Glenn A. Harris
collection DOAJ
description Abstract Microtubule associated protein tau (MAPT) is a naturally occurring protein that plays a significant role in stabilizing microtubules, which are essential for the transport of nutrients and other materials within neurons. In tauopathies, tau protein assembles into mis-folded multimers ranging from soluble oligomers to insoluble aggregates, known as neurofibrillary tangles, neuropil threads and are components of neuritic plaques. These abnormal tau assemblies collectively are thought to disrupt the normal function of neurons and lead to their death. Tauopathies are a leading cause of neurodegeneration, and there are no approved disease modifying therapies targeting the tau pathology for any tauopathy. This review is a two-year update to an initial review of preclinical, clinical, and recently discontinued therapeutic programs in development focused on ameliorating tau pathology. This review outlines the landscape of therapeutic drugs indexed through January 1, 2025. Currently, there are 170 drugs monitored in the pipeline, one less than in the previous period. In the clinic, there are five candidates in phase 3 trials, 15 in phase 2 trials, and 12 in phase 1 trials. In total, there are four less candidates in clinical trials during this review period than the last. New to this review is the inclusion of the clinical development of tau positron emission tomography (PET) ligands which undergo regulatory oversite. In addition to the one FDA-approved tau PET ligand Tauvid™ (flortaucipir), there are six additional tau PET ligands currently in active clinical trials.
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spelling doaj-art-426974a881214259a67d66a5873b95fa2025-08-20T03:25:16ZengBMCAlzheimer’s Research & Therapy1758-91932025-06-0117112210.1186/s13195-025-01775-xRevisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trialsGlenn A. Harris0Lauren R. Hirschfeld1M. Isabel Gonzalez2Martyn C. Pritchard3Patrick C. May4Rainwater Charitable FoundationRainwater Charitable FoundationDrug Discovery and Development Consultants LtdDrug Discovery and Development Consultants LtdADvantage Neuroscience Consulting LLCAbstract Microtubule associated protein tau (MAPT) is a naturally occurring protein that plays a significant role in stabilizing microtubules, which are essential for the transport of nutrients and other materials within neurons. In tauopathies, tau protein assembles into mis-folded multimers ranging from soluble oligomers to insoluble aggregates, known as neurofibrillary tangles, neuropil threads and are components of neuritic plaques. These abnormal tau assemblies collectively are thought to disrupt the normal function of neurons and lead to their death. Tauopathies are a leading cause of neurodegeneration, and there are no approved disease modifying therapies targeting the tau pathology for any tauopathy. This review is a two-year update to an initial review of preclinical, clinical, and recently discontinued therapeutic programs in development focused on ameliorating tau pathology. This review outlines the landscape of therapeutic drugs indexed through January 1, 2025. Currently, there are 170 drugs monitored in the pipeline, one less than in the previous period. In the clinic, there are five candidates in phase 3 trials, 15 in phase 2 trials, and 12 in phase 1 trials. In total, there are four less candidates in clinical trials during this review period than the last. New to this review is the inclusion of the clinical development of tau positron emission tomography (PET) ligands which undergo regulatory oversite. In addition to the one FDA-approved tau PET ligand Tauvid™ (flortaucipir), there are six additional tau PET ligands currently in active clinical trials.https://doi.org/10.1186/s13195-025-01775-xAlzheimer's diseaseDrug developmentFrontotemporal dementiaProgressive supranuclear palsyCorticobasal degenerationMAPT
spellingShingle Glenn A. Harris
Lauren R. Hirschfeld
M. Isabel Gonzalez
Martyn C. Pritchard
Patrick C. May
Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials
Alzheimer’s Research & Therapy
Alzheimer's disease
Drug development
Frontotemporal dementia
Progressive supranuclear palsy
Corticobasal degeneration
MAPT
title Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials
title_full Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials
title_fullStr Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials
title_full_unstemmed Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials
title_short Revisiting the therapeutic landscape of tauopathies: assessing the current pipeline and clinical trials
title_sort revisiting the therapeutic landscape of tauopathies assessing the current pipeline and clinical trials
topic Alzheimer's disease
Drug development
Frontotemporal dementia
Progressive supranuclear palsy
Corticobasal degeneration
MAPT
url https://doi.org/10.1186/s13195-025-01775-x
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