# 40 Hz Light Neurostimulation for Patients With Depression (FELIX)

> **NCT05680220** · NA · RECRUITING · sponsor: **Klaus Martiny** · enrollment: 60 (estimated)

## Conditions studied

- Major Depressive Disorder
- Treatment Resistant Depression

## Interventions

- **DEVICE:** Neurostimulation System (NSS): Active Setting
- **DEVICE:** Neurostimulation System (NSS): Sham Setting

## Key facts

- **NCT ID:** NCT05680220
- **Lead sponsor:** Klaus Martiny
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-10-05
- **Primary completion:** 2027-06-30
- **Final completion:** 2027-07-30
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2026-03-03

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05680220

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05680220, "40 Hz Light Neurostimulation for Patients With Depression (FELIX)". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT05680220. Licensed CC0.

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