Progressive non-fluent aphasia
MONDO:0015059Progressive non-fluent aphasia (PNFA) is a form of frontotemporal dementia (FTD), characterized by agrammatism, laborious speech, alexia, and agraphia, frequently accompanied by apraxia of speech (AOS). Language comprehension is relatively preserved.
Also known as: Agramatic variant of PPA, Agramatic variant of primary progressive aphasia, Primary Progressive Nonfluent aphasia, non-fluent variant PPA, non-fluent primary progressive aphasia
60 clinical trials for this condition and its sub-types.
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Broader categories
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Could a pill slow a rare dementia? early trial begins
Disease control OngoingThis early-stage trial tests an oral drug called verdiperstat in 64 people with semantic variant primary progressive aphasia (svPPA), a rare dementia that affects language. The study is double-blind and placebo-controlled, meaning some participants get the drug and some get a pla…
Phase: PHASE1 • Sponsor: Peter Ljubenkov, MD • Aim: Disease control
Last updated Jul 08, 2026 00:00 UTC
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Could a single gene injection slow frontotemporal dementia?
Disease control OngoingThis early-stage trial tests a gene therapy called PBFT02 for frontotemporal dementia (FTD) in people with specific genetic mutations. The therapy delivers a working copy of the GRN gene directly into the brain. The study involves 30 adults and primarily checks for safety and sid…
Phase: PHASE1, PHASE2 • Sponsor: Passage Bio, Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:33 UTC
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Could a pill help restore speech in progressive aphasia?
Symptom relief OngoingThis study tests a drug called neflamapimod in 20 people with a language disorder called nonfluent variant primary progressive aphasia (nfvPPA). The goal is to see if the drug is safe and if it can improve language symptoms. Participants will receive either the drug or a placebo …
Phase: PHASE2 • Sponsor: EIP Pharma Inc • Aim: Symptom relief
Last updated Jul 08, 2026 00:00 UTC
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Can speech therapy slow language loss in progressive aphasia?
Symptom relief OngoingThis study tests two types of speech therapy for people with primary progressive aphasia, a brain disorder that slowly destroys language skills. Sixty participants will work on word retrieval or script practice with a clinician and at home. Researchers will measure changes in com…
Phase: NA • Sponsor: University of Texas at Austin • Aim: Symptom relief
Last updated Jun 27, 2026 07:57 UTC
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Can online speech therapy help those with Dementia-Related language loss?
Symptom relief ENROLLING_BY_INVITATIONThis study tests a speech-language telerehabilitation program for people with primary progressive aphasia (PPA), a dementia that slowly destroys language abilities. The program includes online therapy sessions and care partner training. Researchers will enroll 21 participants to …
Phase: NA • Sponsor: University of Texas at Austin • Aim: Symptom relief
Last updated Jun 27, 2026 07:53 UTC
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Simple blood draws could spot dementia years early
Knowledge-focused OngoingThis study tracks a protein called neurofilament light chain in the blood of 342 people who carry genetic mutations linked to frontotemporal dementia (FTD). Participants provide blood samples every three months for three years, often from home. The goal is to see if this biomarke…
Sponsor: The Bluefield Project to Cure Frontotemporal Dementia • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Scientists map Brain's 'Roads' to predict dementia spread
Knowledge-focused ENROLLING_BY_INVITATIONThis study uses advanced MRI scans and genetic tests to track how neurodegenerative diseases like frontotemporal dementia and ALS spread across the brain's network. Researchers will follow 645 participants, including patients, family members, and healthy controls, for up to 2 yea…
Phase: NA • Sponsor: IRCCS San Raffaele • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:29 UTC
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Wearable tech aims to track rare brain diseases from home
Knowledge-focused OngoingThis study is testing whether wearable sensors can reliably monitor movement problems in people with progressive supranuclear palsy (PSP) and related frontotemporal disorders. About 60 participants will wear pendant-like devices for 12 months to track their activity. The goal is …
Sponsor: Massachusetts General Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC
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Mayo clinic launches major brain disease tracking study
Knowledge-focused ENROLLING_BY_INVITATIONThis study aims to learn more about diseases that affect the brain, such as Parkinson's disease and different types of dementia. Researchers will follow 500 adults with symptoms of these conditions over time, using brain scans and genetic tests to see how the diseases progress. T…
Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC
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New study probes brain inflammation to unlock dementia mysteries
Knowledge-focused OngoingThis observational study looks at how brain inflammation contributes to frontotemporal lobar degeneration (FTLD), a group of disorders that cause dementia. Researchers will use advanced brain scans, blood tests, and spinal fluid analysis in 110 participants to find biomarkers tha…
Sponsor: Leiden University Medical Center • Aim: Knowledge-focused
Last updated Jun 26, 2026 15:38 UTC