Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Primary Progressive Aphasia(PPA) clinical trials
4 of 4 indexed Primary Progressive Aphasia(PPA) trials are currently recruiting.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 4 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Primary Progressive Aphasia(PPA): 4 US clinical trials tracked, 4 recruiting.
Primary Progressive Aphasia(PPA) is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. The most active sponsor is University of Texas at Austin, running 2 of these trials.
Enrollment posture brief
Registry condition primary-progressive-aphasiappa
OPEN 4 | RECR 100% | LATE 0 | EARLY 0 | RANK #4115 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)
Primary Progressive Aphasia(PPA) lists 4 open slots (100% of 4 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Primary Progressive Aphasia(PPA) on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Primary Progressive Aphasia(PPA) is recruiting above its size-band peers.
4 of 4 indexed trials (100%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
Open and recent trials
4 total, page 1 of 1
UPenn Observational Research Repository on Neurodegenerative Disease
University of Pennsylvania
NCT04715399
STELLA-FTD: Examination of a Behavior Change Intervention for FTD Family Care Partners
Oregon Health and Science University
NCT06613204
Remotely-supervised Neuromodulation in PPA
University of Texas at Austin
NCT07260253
Intervention for Communication Quality of Life in Primary Progressive Aphasia
University of Texas at Austin
NCT07219680
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Primary Progressive Aphasia(PPA) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Primary Progressive Aphasia(PPA) trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Primary Progressive Aphasia(PPA) page
4 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Primary Progressive Aphasia(PPA) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of Texas at Austin sponsors the most Primary Progressive Aphasia(PPA) trials on record, review their full trial history before evaluating a specific study. See University of Texas at Austin's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Primary Progressive Aphasia(PPA) condition card totals 4 registered trials; most-linked intervention STELLA-FTD Test; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.