deltatrials
Active Not Recruiting NA INTERVENTIONAL 1-arm NCT06922812

IWLS for Major Depressive Disorder: An Open-Label Study of Safety, Tolerability, and Efficacy (IWLS-MDD)

Intermittent White Light Stimulation (IWLS) for the Treatment of Major Depressive Disorder: An Open-Label Pilot Study of Safety, Tolerability, and Preliminary Efficacy

Sponsor: University of Sao Paulo

Updated 3 times since 2025 Last updated: Feb 19, 2026 Started: May 5, 2025 Primary completion: Nov 1, 2025 Completion: May 30, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Major Depressive Disorder (MDD) and is currently ongoing. University of Sao Paulo leads this study, which shows 3 recorded versions since 2025 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~May 2025 – ~Jun 2025 · 31 days · monthly snapshot~Jun 2025 – ~Feb 2026 · 8 months · monthly snapshotRecruiting~Feb 2026 – present · 6 months · monthly snapshotActive Not Recruiting

Change History

3 versions recorded
  1. Feb 2026 — Present [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

  2. Jun 2025 — Feb 2026 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

  3. May 2025 — Jun 2025 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University of Sao Paulo
Data source: University of Sao Paulo

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations