deltatrials
Completed NA INTERVENTIONAL 2-arm NCT03785158

MIND After Surgery (MIND)

Melatonin for Preventing Postoperative Delirium in Elderly Patients; a Multi-centre Randomized Placebo Controlled Pilot Study

Sponsor: McMaster University

Updated 15 times since 2019 Last updated: Sep 8, 2025 Started: Sep 14, 2021 Primary completion: Jul 5, 2025 Completion: Jul 5, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Major Non-cardiac Surgery and Post-operative Delirium, this trial is completed. The trial is conducted by McMaster University and has accumulated 15 data snapshots since 2021. Cardiovascular trials of this type often inform treatment guidelines for long-term patient management.

Status Flow

~Jan 2019 – ~Feb 2019 · 31 days · monthly snapshot~Feb 2019 – ~Sep 2019 · 7 months · monthly snapshot~Sep 2019 – ~Sep 2020 · 12 months · monthly snapshot~Sep 2020 – ~Dec 2020 · 3 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshot~Apr 2021 – ~Jun 2021 · 2 months · monthly snapshot~Jun 2021 – ~Nov 2021 · 5 months · monthly snapshot~Nov 2021 – ~Feb 2023 · 15 months · monthly snapshot~Feb 2023 – ~Mar 2024 · 13 months · monthly snapshot~Mar 2024 – ~Jul 2024 · 4 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Oct 2025 · 13 months · monthly snapshot~Oct 2025 – present · 9 months · monthly snapshot

Change History

15 versions recorded
  1. Oct 2025 — Present [monthly]

    Completed NA

    Status: Active Not RecruitingCompleted

  2. Sep 2024 — Oct 2025 [monthly]

    Active Not Recruiting NA

  3. Aug 2024 — Sep 2024 [monthly]

    Active Not Recruiting NA

  4. Jul 2024 — Aug 2024 [monthly]

    Active Not Recruiting NA

  5. Mar 2024 — Jul 2024 [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

Show 10 earlier versions
  1. Feb 2023 — Mar 2024 [monthly]

    Recruiting NA

  2. Nov 2021 — Feb 2023 [monthly]

    Recruiting NA

  3. Jun 2021 — Nov 2021 [monthly]

    Recruiting NA

  4. Apr 2021 — Jun 2021 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

  5. Jan 2021 — Apr 2021 [monthly]

    Not Yet Recruiting NA

  6. Dec 2020 — Jan 2021 [monthly]

    Not Yet Recruiting NA

  7. Sep 2020 — Dec 2020 [monthly]

    Not Yet Recruiting NA

  8. Sep 2019 — Sep 2020 [monthly]

    Not Yet Recruiting NA

  9. Feb 2019 — Sep 2019 [monthly]

    Not Yet Recruiting NA

  10. Jan 2019 — Feb 2019 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • McMaster University
  • St. Joseph's Healthcare Hamilton
Data source: McMaster University

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

Study Locations