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Table 2 Content of the trial registry

From: Platelet-rich plasma versus corticosteroid injection for treatment of trigger finger: study protocol for a prospective randomized triple-blind placebo-controlled trial

Data category

Information

Primary registry and trial identifying number

ClinicalTrials.gov; NCT04167098

Date of registration in primary registry

November 18, 2019

Date and version identifier

October 9, 2020, version 1.2

Source(s) of monetary or material support

Primary sponsor

Töölö Hospital

Secondary sponsor

University of Helsinki

Contact for public queries

Samuli Aspinen, +358406360546, samuli.aspinen@hus.fi

Contact for scientific queries

Samuli Aspinen, +358406360546, samuli.aspinen@hus.fi

Public title

Effectiveness of Platelet-rich Plasma for Treatment of Trigger Finger

Scientific title

A Prospective Randomized Placebo-controlled Trial Comparing Platelet-rich Plasma and Corticosteroid Injection for Treatment of Trigger Finger

Countries of recruitment

Finland

Health condition(s) or problem(s)

Tendon entrapment

Intervention(s)

(1) PRP injection, 0.5 ml platelet-rich plasma around A1 tendon sheath; (2) corticosteroid injection, 0.5 ml methylprednisolone around A1 tendon sheath; and (3) placebo injection, 0.5 ml 0.9% saline around A1 tendon sheath

Key inclusion and exclusion criteria

Inclusion: age 18–75, trigger finger in 1–2 rays, symptom duration > 3 months

Exclusion: diabetes, rheumatoid arthritis or other condition requiring continuous oral corticosteroids, > 2 affected rays, previous history of surgery or injection to the affected ray, alcohol or drug abuse, mental instability

Study type

Interventional

Date of first enrolment

April 9, 2020

Target sample size

117

Recruitment status

Recruiting

Primary outcome(s)

Symptom resolution (rate of success), Patient-Rated Wrist Evaluation

Key secondary outcomes

Quick-Disabilities of the Arm, Shoulder and Hand; pain (Visual Analogue Scale); global improvement; grip strength; finger range of motion (ROM); complications

  1. PRP platelet-rich plasma