deltatrials
Completed NA INTERVENTIONAL 2-arm NCT01821976

Transtibial Amputation Outcomes Study (TAOS)

Transtibial Amputation Outcomes Study (TAOS): Comparing Transtibial Amputation With (Ertl) and Without a Tibia-fibula Synostosis Procedure

Sponsor: Major Extremity Trauma Research Consortium

Updated 14 times since 2017 Last updated: Nov 30, 2023 Started: Mar 31, 2013 Primary completion: Mar 31, 2020 Completion: Mar 31, 2020
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 Transtibial Amputation, this trial is completed. The trial is conducted by Major Extremity Trauma Research Consortium and has accumulated 14 data snapshots since 2013. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Jul 2017 · 6 months · monthly snapshot~Jul 2017 – ~Jun 2018 · 11 months · monthly snapshot~Jun 2018 – ~Jul 2018 · 30 days · monthly snapshot~Jul 2018 – ~Aug 2019 · 13 months · monthly snapshot~Aug 2019 – ~Dec 2020 · 16 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshot~Apr 2021 – ~Apr 2023 · 24 months · monthly snapshot~Apr 2023 – ~May 2023 · 30 days · monthly snapshot~May 2023 – ~Jan 2024 · 8 months · monthly snapshot~Jan 2024 – ~Jul 2024 · 6 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 12 months · monthly snapshot

Change History

14 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed NA

  2. Sep 2024 — Sep 2025 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Jan 2024 — Jul 2024 [monthly]

    Completed NA

    Status: Active Not RecruitingCompleted

  5. May 2023 — Jan 2024 [monthly]

    Active Not Recruiting NA

    Status: Unknown StatusActive Not Recruiting

Show 9 earlier versions
  1. Apr 2023 — May 2023 [monthly]

    Unknown Status NA

    Status: Active Not RecruitingUnknown Status

  2. Apr 2021 — Apr 2023 [monthly]

    Active Not Recruiting NA

  3. Jan 2021 — Apr 2021 [monthly]

    Active Not Recruiting NA

  4. Dec 2020 — Jan 2021 [monthly]

    Active Not Recruiting NA

  5. Aug 2019 — Dec 2020 [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

  6. Jul 2018 — Aug 2019 [monthly]

    Recruiting NA

  7. Jun 2018 — Jul 2018 [monthly]

    Recruiting NA

  8. Jul 2017 — Jun 2018 [monthly]

    Recruiting NA

  9. Jan 2017 — Jul 2017 [monthly]

    Recruiting NA

    First recorded

Mar 2013

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Major Extremity Trauma Research Consortium
Data source: Major Extremity Trauma Research Consortium

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