# Effect of Short-term Theta Frequency Stimulation of the Vagus Nerve on Cognition in Patients With Refractory Epilepsy

> **NCT03331939** · NA · TERMINATED · sponsor: **University of California, Davis** · enrollment: 2 (actual)

## Conditions studied

- Refractory Epilepsy

## Interventions

- **OTHER:** no stimulation
- **OTHER:** beta (25-30 Hz)
- **OTHER:** Theta (5 Hz)

## Key facts

- **NCT ID:** NCT03331939
- **Lead sponsor:** University of California, Davis
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2017-01-06
- **Primary completion:** 2017-10-31
- **Final completion:** 2017-10-31
- **Target enrollment:** 2 (ACTUAL)
- **Why stopped:** insufficient study staff
- **Last updated:** 2017-11-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03331939

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03331939, "Effect of Short-term Theta Frequency Stimulation of the Vagus Nerve on Cognition in Patients With Refractory Epilepsy". Retrieved via AI Analytics 2026-09-26 from https://api.ai-analytics.org/clinical/NCT03331939. Licensed CC0.

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