deltatrials
Active Not Recruiting OBSERVATIONAL NCT03076008

The Impact of Tibial Tubercle-trochlear Groove Distance and Patellar Height on the Outcome of Isolated Medial Patellofemoral Ligament Reconstruction (TT-TG Outcome)

Sponsor: International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine

Conditions Patellar Dislocation
Interventions Observational
Updated 19 times since 2017 Last updated: Jan 5, 2026 Started: Oct 1, 2016 Primary completion: Mar 31, 2023 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 observational or N/A phase trial investigates Patellar Dislocation and is currently ongoing. International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine leads this study, which shows 19 recorded versions since 2016 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Apr 2017 – ~Apr 2018 · 12 months · monthly snapshot~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshot~Jun 2018 – ~Jun 2019 · 12 months · monthly snapshot~Jun 2019 – ~Nov 2019 · 5 months · monthly snapshot~Nov 2019 – ~Mar 2020 · 4 months · monthly snapshot~Mar 2020 – ~Sep 2020 · 6 months · monthly snapshot~Sep 2020 – ~Jan 2021 · 4 months · monthly snapshot~Jan 2021 – ~Oct 2021 · 9 months · monthly snapshot~Oct 2021 – ~Apr 2022 · 6 months · monthly snapshot~Apr 2022 – ~Jul 2022 · 3 months · monthly snapshot~Jul 2022 – ~Oct 2023 · 15 months · monthly snapshot~Oct 2023 – ~Mar 2024 · 5 months · monthly snapshot~Mar 2024 – ~Jul 2024 · 4 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Feb 2025 · 5 months · monthly snapshot~Feb 2025 – ~Jun 2025 · 4 months · monthly snapshot~Jun 2025 – ~Sep 2025 · 3 months · monthly snapshot~Sep 2025 – ~Feb 2026 · 5 months · monthly snapshot~Feb 2026 – present · 7 months · monthly snapshot

Change History

19 versions recorded

  1. Feb 2026 — Present [monthly]

    Active Not Recruiting

  2. Sep 2025 — Feb 2026 [monthly]

    Active Not Recruiting

  3. Jun 2025 — Sep 2025 [monthly]

    Active Not Recruiting

  4. Feb 2025 — Jun 2025 [monthly]

    Active Not Recruiting

  5. Sep 2024 — Feb 2025 [monthly]

    Active Not Recruiting

▶ Show 14 earlier versions

  1. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting

  2. Mar 2024 — Jul 2024 [monthly]

    Active Not Recruiting

  3. Oct 2023 — Mar 2024 [monthly]

    Active Not Recruiting

  4. Jul 2022 — Oct 2023 [monthly]

    Active Not Recruiting

  5. Apr 2022 — Jul 2022 [monthly]

    Active Not Recruiting

    Status: Recruiting → Active Not Recruiting

  6. Oct 2021 — Apr 2022 [monthly]

    Recruiting

  7. Jan 2021 — Oct 2021 [monthly]

    Recruiting

  8. Sep 2020 — Jan 2021 [monthly]

    Recruiting

  9. Mar 2020 — Sep 2020 [monthly]

    Recruiting

  10. Nov 2019 — Mar 2020 [monthly]

    Recruiting

  11. Jun 2019 — Nov 2019 [monthly]

    Recruiting

  12. Jun 2018 — Jun 2019 [monthly]

    Recruiting

  13. Apr 2018 — Jun 2018 [monthly]

    Recruiting

    Phase: NA → None

  14. Apr 2017 — Apr 2018 [monthly]

    Recruiting NA

    First recorded

Oct 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine
  • Ohio State University
  • OrthoSport Victoria
  • University of Minnesota
Data source: University of Minnesota

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

Study Locations