TY - JOUR
T1 - Trajectory of radiographic change over a decade
T2 - The effect of transition from conventional synthetic disease-modifying antirheumatic drugs to anti-tumour necrosis factor in patients with psoriatic arthritis
AU - Allard, Andrew
AU - Antony, Anna
AU - Shaddick, Gavin
AU - Jadon, Deepak R.
AU - Cavill, Charlotte
AU - Robinson, Graham
AU - Korendowych, Eleanor
AU - McHugh, Neil
AU - Tillett, William
PY - 2019/2
Y1 - 2019/2
N2 - Objectives. To describe the trajectory of radiographic progression among patients with PsA who transitioned from conventional synthetic DMARDs to anti-TNF-α inhibitors in routine care. Methods. A retrospective sample of patients with PsA (ClASsification criteria for Psoriatic ARthritis) was taken from the Bath longitudinal cohort. All patients had radiographs of the hands and feet taken: 5 years before (T0), at the time of (T1) and 5 years after (T2) commencing anti-TNF treatment. Radiographs were scored blinded using the PsA-modified Sharpvan der Heijde score (mSvdHS) and for osteoproliferation (Psoriatic Arthritis Ratingen Score) by A.Allard, A.Antony and W.T. This sample size was calculated to ensure 90% power to determine the smallest detectable difference of the mSvdHS to a 5% significance level. Cumulative probability plots were used to determine the probability of radiographic progression pre- (T0-T1) and post-(T1-T2) anti-TNF treatment. Results. Eighty-four radiographs from 28 patients were selected for inclusion. The median [interquartile range (IQR)] disease duration at baseline (T0) was 8.5 (0-19.5) years. The interval between T0-T1 and T1-T2 was 4.2 years (3.34-6.65) and 4.9 years (4.25-5.87), respectively. The median mSvdHS at baseline (T0) was 8.5 (IQR 1.75-27.5). The median (IQR) rate of change in mSvdHS per year reduced after commencing anti-TNF, from 2.1 (0.88-3.92) between T0-T1 to 1.0 (IQR 0.05-2.35) between T1-T2 (P = 0.012). Conclusion. The trajectory of damage accumulation over a 10-year period in this observational clinical cohort is low overall. The rate of radiographic damage as measured by the mSvdHS slows following commencement of anti-TNF.
AB - Objectives. To describe the trajectory of radiographic progression among patients with PsA who transitioned from conventional synthetic DMARDs to anti-TNF-α inhibitors in routine care. Methods. A retrospective sample of patients with PsA (ClASsification criteria for Psoriatic ARthritis) was taken from the Bath longitudinal cohort. All patients had radiographs of the hands and feet taken: 5 years before (T0), at the time of (T1) and 5 years after (T2) commencing anti-TNF treatment. Radiographs were scored blinded using the PsA-modified Sharpvan der Heijde score (mSvdHS) and for osteoproliferation (Psoriatic Arthritis Ratingen Score) by A.Allard, A.Antony and W.T. This sample size was calculated to ensure 90% power to determine the smallest detectable difference of the mSvdHS to a 5% significance level. Cumulative probability plots were used to determine the probability of radiographic progression pre- (T0-T1) and post-(T1-T2) anti-TNF treatment. Results. Eighty-four radiographs from 28 patients were selected for inclusion. The median [interquartile range (IQR)] disease duration at baseline (T0) was 8.5 (0-19.5) years. The interval between T0-T1 and T1-T2 was 4.2 years (3.34-6.65) and 4.9 years (4.25-5.87), respectively. The median mSvdHS at baseline (T0) was 8.5 (IQR 1.75-27.5). The median (IQR) rate of change in mSvdHS per year reduced after commencing anti-TNF, from 2.1 (0.88-3.92) between T0-T1 to 1.0 (IQR 0.05-2.35) between T1-T2 (P = 0.012). Conclusion. The trajectory of damage accumulation over a 10-year period in this observational clinical cohort is low overall. The rate of radiographic damage as measured by the mSvdHS slows following commencement of anti-TNF.
KW - Anti-tumour necrosis factor (anti-TNF)
KW - Conventional synthetic disease-modifying anti-rheumatic drugs (csDMARD)
KW - Psoriatic arthritis
KW - Radiographic progression
UR - http://www.scopus.com/inward/record.url?scp=85060621794&partnerID=8YFLogxK
U2 - 10.1093/rheumatology/key297
DO - 10.1093/rheumatology/key297
M3 - Article
C2 - 30247726
AN - SCOPUS:85060621794
VL - 58
SP - 269
EP - 273
JO - Rheumatology
JF - Rheumatology
SN - 1462-0324
IS - 2
ER -