Clinical Outcomes Following One-Stage Cartilage Regenerative Procedures After Acute Patellar Dislocations Associated with Cartilage Flake Lesions

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00037922

Enrollment

Registered

2025-09-17

Start date

2025-09-02

Completion date

Unknown

Last updated

2025-10-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

S83.0

Interventions

Group 1: Patients who underwent minced cartilage implantation (MCI) or flake refixation (FR) in the retropatellar region following an acute patellar dislocation with cartilage flake between 2020 and 2

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who underwent either minced cartilage implantation or flake refixation in the retropatellar region following patellar dislocation with a cartilage flake were included. For underage participants, informed consent for study participation will be obtained by telephone from a legal guardian

Exclusion criteria

Exclusion criteria: In the event of telephone contact, patients may decline to participate in the survey

Design outcomes

Primary

Measure	Time frame
The Knee injury and Osteoarthritis Outcome Score (KOOS) is assessed at the time of follow-up using an online questionnaire. The KOOS is an established and validated score for the evaluation of knee function. Data analysis is performed according to the official scoring manual.	—

Secondary

Measure	Time frame
Recurrent patellar dislocation or revision surgery (telephone interview) MOCART 2.0 score (score for assessing the quality of cartilage repair tissue on MRI) Kujala score (functional score, online questionnaire)	—

Countries

Germany

Contacts

Public ContactJonas Eck

Klinik für Orthopädie und Unfallchirurgie

jonas.eck@uniklinik-freiburg.de+4976127024040

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026