deltatrials
Active Not Recruiting PHASE1 INTERVENTIONAL 4-arm NCT03142893

Hormonal Mechanisms of Sleep Restriction - Axis Study

Sponsor: Peter y. Liu

Conditions Sleep Restriction
Interventions Corticorelin Cosyntropin Injectable Product Dexamethasone Dexamethasone Injection Ganirelix Gonadorelin Hydrocortisone Injection Ketoconazole Pill Placebo oral capsule Recombinant Human Luteinizing Hormone Saline Solution Saline Solution for Injection
Updated 14 times since 2017 Last updated: Sep 4, 2025 Started: May 8, 2017 Primary completion: Oct 30, 2020 Completion: Jun 30, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE1 trial investigates Sleep Restriction and is currently ongoing. Peter y. Liu leads this study, which shows 14 recorded versions since 2017 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jul 2017 – ~Jun 2018 · 11 months · monthly snapshot~Jun 2018 – ~Sep 2018 · 3 months · monthly snapshot~Sep 2018 – ~Nov 2019 · 14 months · monthly snapshot~Nov 2019 – ~Oct 2020 · 11 months · monthly snapshot~Oct 2020 – ~Jan 2021 · 3 months · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Apr 2022 · 14 months · monthly snapshot~Apr 2022 – ~Feb 2023 · 10 months · monthly snapshot~Feb 2023 – ~Feb 2024 · 12 months · monthly snapshot~Feb 2024 – ~May 2024 · 3 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Oct 2025 · 13 months · monthly snapshot~Oct 2025 – present · 9 months · monthly snapshot

Change History

14 versions recorded

  1. Oct 2025 — Present [monthly]

    Active Not Recruiting PHASE1

  2. Sep 2024 — Oct 2025 [monthly]

    Active Not Recruiting PHASE1

  3. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting PHASE1

  4. May 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE1

  5. Feb 2024 — May 2024 [monthly]

    Active Not Recruiting PHASE1

▶ Show 9 earlier versions

  1. Feb 2023 — Feb 2024 [monthly]

    Active Not Recruiting PHASE1

  2. Apr 2022 — Feb 2023 [monthly]

    Active Not Recruiting PHASE1

  3. Feb 2021 — Apr 2022 [monthly]

    Active Not Recruiting PHASE1

    Status: Recruiting → Active Not Recruiting

  4. Jan 2021 — Feb 2021 [monthly]

    Recruiting PHASE1

  5. Oct 2020 — Jan 2021 [monthly]

    Recruiting PHASE1

  6. Nov 2019 — Oct 2020 [monthly]

    Recruiting PHASE1

  7. Sep 2018 — Nov 2019 [monthly]

    Recruiting PHASE1

  8. Jun 2018 — Sep 2018 [monthly]

    Recruiting PHASE1

  9. Jul 2017 — Jun 2018 [monthly]

    Recruiting PHASE1

    First recorded

May 2017

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Peter y. Liu
Data source: Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center

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

Study Locations