Isthmin-1 as a Biomarker of Disease Activity in Rheumatoid Arthritis: Correlation With Musculoskeletal Ultrasound Findings

The goal of this case control study is to detect serum isthmin-1 level in RA patient compered to healthy control . The main questions it aims to answer are: what is the serum isthmin-1 level in RA patient? what is the correlation between serum isthmin-1 and RA disease activity? what is the correlation between serum isthmin-1 level and MSUS finding in RA patients?

NCT Number	NCT07374367
Lead Sponsor	Amera Imam Abdel - Ghany Ahmed
Conditions	Disease Activity
Enrollment	66 participants
Start Date	2026-05-01
Primary Completion	2027-09-01 (estimated)
Study Completion	2027-12-01 (estimated)
Updated on ClinicalTrials.gov	2026-01-28