deltatrials
Completed PHASE4 INTERVENTIONAL 3-arm NCT00177216

Characteristics of Sleep Patterns in Young Adults With and Without Insomnia

Psychobiology and Treatment Response in Primary Insomnia

Sponsor: National Institute of Mental Health (NIMH)

Updated 7 times since 2017 Last updated: Feb 29, 2016 Started: Feb 28, 2002 Primary completion: May 31, 2008 Completion: May 31, 2008
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Sleep Disorders and is currently completed. National Institute of Mental Health (NIMH) leads this study, which shows 7 recorded versions since 2002 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotCompleted~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 19 months · monthly snapshotCompleted~Jan 2026 – present · 3 months · monthly snapshotCompleted

Change History

7 versions recorded
  1. Jan 2026 — Present [monthly]

    Completed PHASE4

  2. Sep 2024 — Present [monthly]

    Completed PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  4. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE4

  5. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE4

Show 2 earlier versions
  1. Feb 2017 — Jun 2018 [monthly]

    Completed PHASE4

  2. Jan 2017 — Feb 2017 [monthly]

    Completed PHASE4

    First recorded

Feb 2002

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute of Mental Health (NIMH)
  • University of Pittsburgh
Data source: University of Pittsburgh

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

Study Locations