deltatrials
Completed OBSERVATIONAL NCT04004481

Metabolites of Tramadol in the Postoperative Surgical Patients (METRAS)

Metabolites of Tramadol in the Postoperative Surgical Patients Admitted in the ICU

Sponsor: Josip Juraj Strossmayer University of Osijek

Updated 11 times since 2019 Last updated: Jun 16, 2021 Started: Jan 25, 2019 Primary completion: Feb 28, 2020 Completion: Mar 13, 2020
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Abdominal Surgery and Liver Dysfunction and is currently completed. Josip Juraj Strossmayer University of Osijek leads this study, which shows 11 recorded versions since 2019 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Aug 2019 – ~Jan 2020 · 5 months · monthly snapshotRecruiting~Jan 2020 – ~Apr 2020 · 3 months · monthly snapshotRecruiting~Apr 2020 – ~Nov 2020 · 7 months · monthly snapshotCompleted~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotCompleted~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshotCompleted~Sep 2021 – ~Dec 2021 · 3 months · monthly snapshotCompleted~Dec 2021 – ~Dec 2022 · 12 months · monthly snapshotCompleted~Dec 2022 – ~Jan 2023 · 31 days · monthly snapshotCompleted~Jan 2023 – ~Jul 2024 · 18 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

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

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Jan 2023 — Jul 2024 [monthly]

    Completed

  4. Dec 2022 — Jan 2023 [monthly]

    Completed

  5. Dec 2021 — Dec 2022 [monthly]

    Completed

Show 6 earlier versions
  1. Sep 2021 — Dec 2021 [monthly]

    Completed

  2. Jan 2021 — Sep 2021 [monthly]

    Completed

  3. Nov 2020 — Jan 2021 [monthly]

    Completed

  4. Apr 2020 — Nov 2020 [monthly]

    Completed

    Status: RecruitingCompleted

  5. Jan 2020 — Apr 2020 [monthly]

    Recruiting

  6. Aug 2019 — Jan 2020 [monthly]

    Recruiting

    First recorded

Jan 2019

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Josip Juraj Strossmayer University of Osijek
  • Osijek University Hospital
Data source: Osijek University Hospital

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

Study Locations