Profile of the use of disease modifying drugs in the Brazilian Registry of Spondyloarthritides

Charles L. Kohem Adriana B. Bortoluzzo Célio R. Gonçalves José Antonio Braga da Silva Antonio Carlos Ximenes Manoel B. Bértolo Sandra L.E. Ribeiro Mauro Keiserman Rita Menin Thelma L. Skare Sueli Carneiro Valderílio F. Azevedo Walber P. Vieira Elisa N. Albuquerque Washington A. Bianchi Rubens Bonfiglioli Cristiano Campanholo Hellen M. S. Carvalho Izaias Pereira da Costa Angela L. B. Pinto Duarte Nocy H. Leite Sonia A. L. Lima Eduardo S. Meirelles Ivânio A. Pereira Marcelo M. Pinheiro Elizandra Polito Gustavo G. Resende Francisco Airton C. Rocha Mittermayer B. Santiago Maria de Fátima L. C. Sauma Valéria Valim Percival D. Sampaio-Barros About the authors

Introduction:

Few studies have evaluated the profile of use of disease modifying drugs (DMD) in Brazilian patients with spondyloarthritis (SpA).

Methods:

A common research protocol was applied prospectively in 1505 patients classified as SpA by criteria of the European Spondyloarthropathies Study Group (ESSG), followed at 29 referral centers in Rheumatology in Brazil. Demographic and clinical variables were obtained and evaluated, by analyzing their correlation with the use of DMDs methotrexate (MTX) and sulfasalazine (SSZ).

Results:

At least one DMD was used by 73.6 % of patients: MTX by 29.2 % and SSZ by 21.7%, while 22.7 % used both drugs. The use of MTX was significantly associated with peripheral involvement, and SSZ was associated with axial involvement, and the two drugs were more administered, separately or in combination, in the mixed involvement (p < 0.001). The use of a DMD was significantly associated with Caucasian ethnicity (MTX , p = 0.014), inflammatory back pain (SSZ, p = 0.002) , buttock pain (SSZ, p = 0.030), neck pain (MTX, p = 0.042), arthritis of the lower limbs (MTX, p < 0.001), arthritis of the upper limbs (MTX, p < 0.001), enthesitis (p = 0.007), dactylitis (MTX, p < 0.001), inflammatory bowel disease (SSZ, p < 0.001) and nail involvement (MTX, p < 0.001).

Conclusion:

The use of at least one DMD was reported by more than 70% of patients in a large cohort of Brazilian patients with SpA, with MTX use more associated with peripheral involvement and the use of SSZ more associated with axial involvement.

Sspondyloarthritides; Treatment; Disease modifying drugs; Methotrexate; Sulfasalazine


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