deltatrials
Completed NA INTERVENTIONAL 4-arm NCT03636360

The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms

Sponsor: Seoul Semiconductor

Interventions Light
Updated 7 times since 2018 Last updated: Mar 29, 2021 Started: Jul 1, 2019 Primary completion: Mar 1, 2021 Completion: Mar 1, 2021
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 Circadian Dysregulation and Mood and is currently completed. Seoul Semiconductor leads this study, which shows 7 recorded versions since 2019 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Sep 2018 – ~Nov 2018 · 2 months · monthly snapshotNot Yet Recruiting~Nov 2018 – ~Nov 2019 · 12 months · monthly snapshotNot Yet Recruiting~Nov 2019 – ~Jan 2021 · 14 months · monthly snapshotRecruiting~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshotRecruiting~Apr 2021 – ~Jul 2024 · 39 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

7 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed NA

  2. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  3. Apr 2021 — Jul 2024 [monthly]

    Completed NA

    Status: RecruitingCompleted

  4. Jan 2021 — Apr 2021 [monthly]

    Recruiting NA

  5. Nov 2019 — Jan 2021 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

Show 2 earlier versions
  1. Nov 2018 — Nov 2019 [monthly]

    Not Yet Recruiting NA

  2. Sep 2018 — Nov 2018 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Seoul Semiconductor
  • VA Palo Alto Health Care System
Data source: VA Palo Alto Health Care System

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

Study Locations