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Clinical Efficacy of Diclofenac Diethylamine as a Coupling Agent in Extracorporeal Shock Wave Therapy for Tennis Elbow: A Randomized Controlled Trial

Clinical Efficacy of Diclofenac Diethylamine as a Coupling Agent in Extracorporeal Shock Wave Therapy for Tennis Elbow: A Randomized Controlled Trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600129447
Enrollment
Unknown
Registered
2026-08-05
Start date
2026-08-05
Completion date
Unknown
Last updated
2026-08-10

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

Conditions

Lateral epicondylitis (tennis elbow)

Interventions

Control group:Extracorporeal shock wave therapy with a conventional coupling agent
Treatment group 1:Extracorporeal shock wave therapy with 2% diclofenac diethylamine as the coupling agent
Treatment group 2:Extracorporeal shock wave therapy with 1% diclofenac diethylamine as the coupling agent

Sponsors

The First Affiliated Hospital of Army Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1.Met the diagnostic criteria for tennis elbow (according to the diagnostic criteria for lateral epicondylitis as defined in the textbook Surgery). 2.Aged 18–70 years; 3.Disease duration of =4 weeks (non-acute lateral epicondylitis); 4.Meet the indications for extracorporeal shock wave therapy, with intact skin without any breakage or damage over the lateral elbow; 5.Voluntary participation in the study with signed informed consent, and ability and willingness to comply with all protocol requirements and follow-up visits;

Exclusion criteria

Exclusion criteria: 1.Patients with concurrent cervical or neurological disorders; 2.Patients with local skin abnormalities over the elbow joint, including infection, lesions, or rash; 3.Patients who have received corticosteroid injections, acupotomy, or shock wave therapy to the elbow within the past month; 4.Presence of any other conditions that contraindicate extracorporeal shock wave therapy (e.g., pregnancy, coagulation disorders, malignant tumors in the treatment area, etc.);

Design outcomes

Primary

MeasureTime frame
Tennis elbow functional score;

Secondary

MeasureTime frame
Treatment Fear Score;Tennis elbow functional score;pain-freegripstrength;Elbow joint pain score;

Countries

China

Contacts

Public ContactCHEN GUANGXING

The First Affiliated Hospital of Army Medical University

cgx7676@hotmail.com+86 23 6877306

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 25, 2026