Comparative Study Between the Use of Trapeziometacarpal Prostheses and the Usual Resection-tenosuspension Arthroplasty for the Treatment of Rhizarthrosis, Focusing on Changes in Pain (Measured With the VAS Scale) and Function (With the Quick-DASH).

Recruiting now · Not applicable

Conditions studied: Rizarthrosis

In brief

It is a randomized, prospective, single-blind study of two treatment techniques for rhizarthrosis. The patients are divided into two groups: one in which a Maia trapeziometacarpal prosthesis is implanted, and the other in which the standard technique of trapeziectomy and tenosuspension plasty is performed according to the Burton-Pellegrini technique.The follow-up of the patients is one year, and functionality (measured with the Quick Dash test) and pain (measured with the VAS scale) are compared throughout this period.This study has a sample size of 62 patients, 31 per group. Other secondary variables are also evaluated, such as strength and mobility of the thumb trapeziometacarpal joint (measured with the Kapandji index).

Key facts

Study ID

NCT07101887

Run by

Parc de Salut Mar

People needed

61

Starts

2022-06-01

Expected to finish

2025-11-01

Last updated by the study team

2025-08-03

Who can join

Age: any. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Rizarthrosis grade I, II, III

You may not qualify if…

• Rizarthrosis grade IV
• Severe osteoporosis
• Metals allergy
• Previous surgical interventions related
• Malformations in the articular zones that difficult the implant placement

Where it is running

• Hospital del Mar — Barcelona, Spain (enrolling)

Full record on ClinicalTrials.gov

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