# Treating Primary Progressive Aphasia (PPA) Using High-definition tDCS

> **NCT04046991** · PHASE2 · COMPLETED · sponsor: **University of Pennsylvania** · enrollment: 76 (actual)

## Conditions studied

- Primary Progressive Aphasia

## Interventions

- **DEVICE:** high-definition transcranial direct current stimulation
- **BEHAVIORAL:** modified constraint-induced language therapy

## Key facts

- **NCT ID:** NCT04046991
- **Lead sponsor:** University of Pennsylvania
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-08-17
- **Primary completion:** 2025-06-30
- **Final completion:** 2025-06-30
- **Target enrollment:** 76 (ACTUAL)
- **Last updated:** 2025-10-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04046991

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04046991, "Treating Primary Progressive Aphasia (PPA) Using High-definition tDCS". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04046991. Licensed CC0.

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