The Effects of small-volume rotator interval approach versus large-volume posterior approach ultrasound guided corticosteroid injections in frozen shoulder: Double-blinded Randomized Controlled Trial

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20260501003

Enrollment

Registered

2026-05-01

Start date

2026-05-04

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Adult patients diagnosed with primary adhesive capsulitis (frozen shoulder) attending outpatient rehabilitation clinic. Adhesive Capsulitis of Shoulder

Interventions

Ultrasound guided intraarticular injection is performed via the rotator interval using an anterior approach. The total injectate volume is 10 mL, consisting of triamcinolone 40 mg in 1 mL, lidocaine 1

Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery

Small Volume Rotator Interval Approach,Large volume posterior approach

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Age between 18 and 65 years, 2.Unilateral primary adhesive capsulitis, 3.Shoulder pain with a score of at least 4 out of 10 on the Visual Analog Scale, 5.Limitation of shoulder range of motion of at least 25 percent in at least two planes of movement, 6.Limitation of passive external rotation of at least 50 percent compared with the contralateral side, or external rotation less than 30 degrees

Exclusion criteria

Exclusion criteria: 1.Secondary adhesive capsulitis, 2.Rotator cuff tear or other significant structural pathology of the shoulder, 3.Bleeding disorders, 4.Uncontrolled diabetes mellitus with hemoglobin A1c greater than 7 percent, 5.Neurological or rheumatologic disorders affecting the shoulder, 6.History of houlder surgery or intra-articular steroid injection within the past three months, 7.Known allergy to corticosteroids or lidocaine

Design outcomes

Primary

Measure	Time frame
Shoulder Pain and Disability Index (SPADI) score baseline, at 6 and at 12 months after end of the intervention Shoulder Pain and Disability Index (SPADI) score	—

Secondary

Measure	Time frame
Pain intensity baseline, at 6 and at 12 months after end of the intervention Visual Analog Scale,Passive range of motion baseline, at 6 and at 12 months after end of the intervention Passive range of motion	—

Countries

Thailand

Contacts

Public Contactpunika suwalak

Songkhla hospital

punika.s@cpird.in.th66629592441

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026