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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Can singing and constraint therapy rebuild speech after stroke?
Disease control Not yet recruitingThis trial investigates whether combining two behavioral therapies can help people with non-fluent aphasia—a condition where stroke damages the brain's language centers, making speech difficult. The approach uses Melodic Intonation Therapy (MIT), which uses singing-like intonatio…
Phase: NA • Sponsor: Universidad de Granada • Aim: Disease control
Last updated Aug 16, 2026 00:00 UTC
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Experimental antibody aims to repair brain connections in rare dementia
Disease control Not yet recruitingThis study tests a new drug called NS101 in 15 people with semantic variant primary progressive aphasia (svPPA), a rare type of frontotemporal dementia that affects language and memory. The drug is an antibody designed to help repair connections between brain cells. The main goal…
Phase: PHASE2 • Sponsor: Hee-Jin Kim • Aim: Disease control
Last updated Jun 26, 2026 14:05 UTC
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New brain test aims to unravel language confusion in dementia
Diagnosis Not yet recruitingThis study is testing a new cognitive assessment called the ExéSem battery, designed to help doctors tell the difference between language problems caused by memory loss versus those caused by thinking difficulties. Researchers will enroll 140 people, including those with Alzheime…
Sponsor: Hospices Civils de Lyon • Aim: Diagnosis
Last updated Jun 27, 2026 12:30 UTC
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Can ancient chinese music therapy help stroke survivors speak again?
Symptom relief Not yet recruitingThis study tests whether a special type of speech training using five musical tones can help people with aphasia (trouble speaking) after a stroke. Researchers will enroll 120 adults who had a stroke and have non-fluent aphasia. Participants will receive either five-tone therapy …
Phase: NA • Sponsor: Fujian University of Traditional Chinese Medicine • Aim: Symptom relief
Last updated Jun 27, 2026 08:12 UTC
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Smart sensors could revolutionize dementia monitoring at home
Knowledge-focused Not yet recruitingThis study will test if wearable sensors can effectively monitor symptoms and daily function in people with frontotemporal dementia (FTD). Sixty adults with FTD will wear pendant and wrist sensors for two weeks at a time, every six months over two years. The goal is to develop di…
Sponsor: BioSensics • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:30 UTC
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Smart sensors could revolutionize how we track FTD symptoms
Knowledge-focused Not yet recruitingThis study tests whether wearable sensors and computerized voice and thinking tests can reliably track symptoms in people with frontotemporal dementia (FTD). Twenty participants will wear sensors and complete assessments at home over 12 months. The goal is to develop digital biom…
Sponsor: BioSensics • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:24 UTC