Validation of a German Version of the Patient Rated Tennis Elbow Evaluation

Not Applicable

Recruiting

• Conditions: Elbow Tendinitis; Elbow, Tennis
• Interventions: Other: Questionnaire Patient Rated Tennis Elbow Evaluation

• Registration Number: NCT04911920
• Lead Sponsor: Miriam Marks

Brief Summary

The German version of the Patient Rated Tennis Elbow Evaluation (PRTEE) questionnaire is tested for reliability, validity and responsiveness.

Detailed Description

In this prospective study, patients with lateral epicondylitis will complete the PRTEE before ACP injection, 6 weeks after treatment and 2-11 days later.

The statistics will include analyses about reliability, validity and responsiveness.

Study Timeline

• Study First Submitted: 2021-05-21
• Study First Submitted QC: 2021-06-02
• Study First Posted: 2021-06-03
• Study Start: 2021-08-04
• Status Verified: 2024-05
• Last Update Submitted: 2024-05-31
• Last Update Posted: 2024-06-03
• Primary Completion: 2026-04-01
• Study Completion: 2026-04-01

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 60

Inclusion Criteria

• At least 18 years of age
• Diagnosed lateral epicondylitis
• Receive a first ACP treatment at the Schulthess Klinik
• Signed informed consent form

Exclusion Criteria

• Lack of German language skills, which make it impossible to complete the questionnaire
• Diseases or conditions that would prevent accurate evaluation (e.g. central neurological, psychiatric or metabolic diseases)
• Legal incompetence
• Recent operations on the elbow or hand (less than three months ago)

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
Patients with lateral epicondylitis	Questionnaire Patient Rated Tennis Elbow Evaluation	Patients with lateral epicondylitis who are treated with at least one ACP injection.

Primary Outcome Measures

Name	Time	Method
Questionnaire Patient Rated Tennis Elbow Evaluation	Ten Weeks	Participants are asked to complete questionnaires at each of three measurement time points.

Secondary Outcome Measures

Name	Time	Method
Sociodemographic data	Ten Weeks	The socio-demographic data includes the patient's age, sex, duration of symptoms, handedness and disease-related data
The Patient Rated Elbow Evaluation (PREE)	Ten Weeks	It measures the elbow specific pain and limitations
EQ-5D-5L	Ten Weeks	general measure of health for clinical and economic questions
Patient satisfaction Questionnaire	Ten Weeks	perceived change regarding their elbow condition
The Disabilities of Arm Shoulder and Hand (DASH) questionnaire	Ten Weeks	The patient questionnaire measures impairment of the upper extremity

Trial Locations

Locations (1)

Schulthess Klinik; 🇨🇭 Zurich, Switzerland