Ultrasound to identify systemic lupus erythematosus patients with musculoskeletal symptoms who respond best to therapy: the US Evaluation For mUsculoskeletal Lupus longitudinal multicentre study

OBJECTIVES: To determine whether SLE patients with inflammatory joint symptoms and US synovitis/tenosyovitis achieve better clinical responses to glucocorticoids compared with patients with normal scans. Secondary objectives included identification of clinical features predicting US synovitis/tenosy...

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Detalles Bibliográficos
Autores principales: Mahmoud, Khaled, Zayat, Ahmed S, Yusof, Md Yuzaiful Md, Dutton, Katherine, Teh, Lee Suan, Yee, Chee-Seng, D’Cruz, David, Ng, Nora, Isenberg, David, Ciurtin, Coziana, Conaghan, Philip G, Emery, Paul, Edwards, Christopher J, Hensor, Elizabeth M A, Vital, Edward M
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2021
Materias:
Clinical Science
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8566203/
https://www.ncbi.nlm.nih.gov/pubmed/33792659
http://dx.doi.org/10.1093/rheumatology/keab288
Descripción
Sumario:OBJECTIVES: To determine whether SLE patients with inflammatory joint symptoms and US synovitis/tenosyovitis achieve better clinical responses to glucocorticoids compared with patients with normal scans. Secondary objectives included identification of clinical features predicting US synovitis/tenosynovitis. METHODS: In a longitudinal multicentre study, SLE patients with physician-diagnosed inflammatory joint pain received intramuscular methylprednisolone 120 mg once. Clinical assessments, patient-reported outcomes and bilateral hand/wrist USs were collected at 0, 2 and 6 weeks. The primary outcome (determined via internal pilot) was the early morning stiffness visual analogue scale (EMS-VAS) at 2 weeks, adjusted for baseline, comparing patients with positive (greyscale ≥2 and/or power Doppler ≥1) and negative US. Post hoc analyses excluded FM. RESULTS: Of 133 patients, 78 had a positive US. Only 53 (68%) of these had one or more swollen joint. Of 66 patients with one or more swollen joint, 20% had a negative US. A positive US was associated with joint swelling, symmetrical small joint distribution and serology. The primary endpoint was not met: in the full analysis set (N = 133) there was no difference in baseline-adjusted EMS-VAS at week 2 [−7.7 mm (95% CI −19.0, 3.5); P = 0.178]. After excluding 32 patients with FM, response was significantly better in patients with a positive US at baseline [baseline-adjusted EMS-VAS at 2 weeks −12.1 mm (95% CI −22.2, −0.1); P = 0.049]. This difference was greater when adjusted for treatment [−12.8 mm (95% CI −22, −3); P = 0.007]. BILAG and SLEDAI responses were higher in US-positive patients. CONCLUSION: In SLE patients without FM, those with a positive US had a better clinical response to therapy. Imaging-detected synovitis/tenosynovitis may be considered to decide on therapy and enrich clinical trials.

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