Defining Low Disease Activity States in Psoriatic Arthritis using Novel Composite Disease Instruments

2015 ◽  
Vol 43 (2) ◽  
pp. 371-375 ◽  
Author(s):  
Laura C. Coates ◽  
Philip S. Helliwell

Objective.To explore the relationship between minimal disease activity (MDA) and the low disease activity cutoffs of the Psoriatic ArthritiS Disease Activity Score (PASDAS) and the Composite Psoriatic Disease Activity Index (CPDAI).Methods.Data from the GRAPPA (Group for Research and Assessment of Psoriasis and Psoriatic Arthritis) composite exercise (GRACE) study were used for these analyses. Alternative definitions of low disease activity were used with 6/7 and 7/7 of MDA items, and a criteria set mandating the 2 articular items and 3/5 alternate items (MDA-joints). Two reference questions were used as anchors: physician’s global opinion of MDA, and patient’s opinion on their disease control.Results.Substantial agreement was found between MDA, MDA-joints, PASDAS, and CPDAI. Compared to the 2 reference questions, the various definitions of low disease activity gave sensitivities that were generally worse than specificities, the latter being high (> 0.9) in most cases. Both PASDAS and CPDAI demonstrated good discrimination between the “low” and “high” disease activity states by all the MDA definitions. Using these data, with an MDA of 7/7 to define a very low disease cutoff, the corresponding values for PASDAS and CPDAI were 1.9 and 2, respectively.Conclusion.An MDA score of 7/7 is proposed as very low disease activity in psoriatic arthritis. Using this definition, the equivalent cutoffs for PASDAS and CPDAI are 1.9 and 2, respectively.

2019 ◽  
Vol 46 (7) ◽  
pp. 710-715 ◽  
Author(s):  
Ruben Queiro ◽  
Juan D. Cañete ◽  
Carlos Montilla ◽  
Miguel Angel Abad ◽  
María Montoro ◽  
...  

Objective.To examine the grade of agreement between very low disease activity (VLDA) and Disease Activity Index for Psoriatic Arthritis (DAPSA) remission, as well as their association with the effect of the disease as assessed by the Psoriatic Arthritis Impact of Disease (PsAID) questionnaire in patients with psoriatic arthritis in routine clinical practice.Methods.Posthoc analysis of data from a cross-sectional multicenter study. Patients were included who fulfilled the Classification for Psoriatic Arthritis (CASPAR) criteria with at least 1 year of disease duration and were treated with biological and/or conventional synthetic disease-modifying antirheumatic drugs according to routine clinical practice in Spain. Patients were considered in VLDA if they met 7/7 of the minimal disease activity criteria. DAPSA and clinical (c)DAPSA score ≤ 4 identified remissions.Results.Of the 227 patients included in the original study, 26 (11.5%), 52 (22.9%), and 65 (28.6%) were in VLDA, DAPSA remission, and cDAPSA remission, respectively. There was a moderate agreement between VLDA and DAPSA remission (κ = 0.52) or cDAPSA remission (κ = 0.42). Patients with VLDA had less effect of the disease as measured by PsAID [mean total score (SD): VLDA 1.1 (1.2); DAPSA remission 1.3 (1.5); cDAPSA remission 1.7 (1.6)]. There was a moderate agreement between DAPSA remission or cDAPSA remission and PsAID < 4 (κ = 0.46 and κ = 0.58 respectively), while poor agreement (κ = 0.18) was found between VLDA and PsAID < 4.Conclusion.VLDA criteria seem to be more stringent for assessing a status of remission; however, DAPSA remission shows better correlation with a patient-acceptable symptoms state than VLDA does.


2018 ◽  
Vol 78 (2) ◽  
pp. 201-208 ◽  
Author(s):  
Clémence Gorlier ◽  
Ana-Maria Orbai ◽  
Déborah Puyraimond-Zemmour ◽  
Laura C Coates ◽  
Uta Kiltz ◽  
...  

BackgroundThe objective was to compare different definitions of remission and low disease activity (LDA) in patients with psoriatic arthritis (PsA), based on both patients’ and physicians’ perspectives.MethodsIn ReFlap (Remission/Flare in PsA; NCT03119805), adults with physician-confirmed PsA and >2 years of disease duration in 14 countries were included. Remission was defined as very low disease activity (VLDA), Disease Activity index for PSoriatic Arthritis (DAPSA) ≤4, and physician-perceived and patient-perceived remission (specific question yes/no), and LDA as minimal disease activity (MDA), DAPSA <14, and physician-perceived and patient-perceived LDA. Frequencies of these definitions, their agreement (prevalence-adjusted kappa), and sensitivity and specificity versus patient-defined status were assessed cross-sectionally.ResultsOf 410 patients, the mean age (SD) was 53.9 (12.5) years, 50.7% were male, disease duration was 11.2 (8.2) years, 56.8% were on biologics, and remission/LDA was frequently attained: respectively, for remission from 12.4% (VLDA) to 36.1% (physician-perceived remission), and for LDA from 25.4% (MDA) to 43.9% (patient-perceived LDA). Thus, patient-perceived remission/LDA was frequent (65.4%). Agreement between patient-perceived remission/LDA and composite scores was moderate to good (kappa range, 0.12–0.65). When patient-perceived remission or LDA status is used as reference, DAPSA-defined remission/LDA and VLDA/MDA had a sensitivity of 73.1% and 51.5%, respectively, and a specificity of 76.8% and 88.0%, respectively. Physician-perceived remission/LDA using a single question was frequent (67.6%) but performed poorly against other definitions.ConclusionIn this unselected population, remission/LDA was frequently attained. VLDA/MDA was a more stringent definition than DAPSA-based remission/LDA. DAPSA-based remission/LDA performed better than VLDA/MDA to detect patient-defined remission or remission/LDA. Further studies of long-term outcomes are needed.


Rheumatology ◽  
2020 ◽  
Author(s):  
Laura C Coates ◽  
Joseph F Merola ◽  
Philip J Mease ◽  
Alexis Ogdie ◽  
Dafna D Gladman ◽  
...  

Abstract Objectives To examine which composite measures are most sensitive to change when measuring psoriatic arthritis (PsA) disease activity, analyses compared the responsiveness of composite measures used in a 48-week randomized, controlled trial of MTX and etanercept in patients with PsA. Methods The trial randomised 851 patients to receive weekly: MTX (20 mg/week), etanercept (50 mg/week) or MTX plus etanercept. Dichotomous composite measures examined included ACR 20/50/70 responses, minimal disease activity (MDA) and very low disease activity (VLDA). Continuous composite measures examined included Disease Activity Score (28 joints) using CRP (DAS28-CRP), Clinical Disease Activity Index (CDAI), Simplified Disease Activity Index (SDAI), Disease Activity for Psoriatic Arthritis (DAPSA) and Psoriatic Arthritis Disease Activity Score (PASDAS). Results At week 24, etanercept-treated groups were significantly more effective than MTX monotherapy to achieve ACR 20 (primary end point) and MDA (key secondary end point). When examining score changes from baseline at week 24 across the five continuous composite measures, PASDAS demonstrated relatively greater changes in the etanercept-treated groups compared with MTX monotherapy and had the largest effect size and standardized response. Joint count changes drove overall score changes at week 24 from baseline in all the continuous composite measures except for PASDAS, which was driven by the Physician and Patient Global Assessments. Conclusion PASDAS was the most sensitive continuous composite measure examined with results that mirrored the protocol-defined primary and key secondary outcomes. Composite measures with multiple domains, such as PASDAS, may better quantify change in PsA disease burden. Trail registration https://ClinicalTrials.gov, number NCT02376790.


Rheumatology ◽  
2018 ◽  
Vol 58 (5) ◽  
pp. 869-873 ◽  
Author(s):  
Sravan Kumar Appani ◽  
Phani Kumar Devarasetti ◽  
Rajendra Vara Prasad Irlapati ◽  
Liza Rajasekhar

Abstract Objective Despite the widespread clinical use of MTX in PsA, data from published randomized controlled studies suggest limited efficacy. The objective of the present study was to document the efficacy of MTX. Methods This was an open-label, prospective study of patients satisfying the ClASsification criteria for Psoriatic ARthritis study (CASPAR) criteria for PsA who received MTX in doses of ⩾15 mg/week throughout the follow-up period of 9 months. Disease activity was assessed across various domains by tender and swollen joint count, physician and patient global assessment, DAS-28 ESR, Clinical Disease Activity Index for PsA (cDAPSA), Leeds Dactylitis Instrument basic, Leeds Enthesitis Index (LEI), Psoriasis Area and Severity Index (PASI), Minimal Disease Activity and HAQ (CRD Pune version) at baseline and at 3, 6 and 9 months of follow-up. Response to therapy was assessed by EULAR DAS28 ESR, Disease Activity Index for PsA (cDAPSA) response, HAQ response and PASI75. MTX dose escalation and the use of combination DMARDS were dictated by disease activity. Results A total of 73 patients were included, with mean (s.d.) age 44 (9.7) years. The mean (s.d.) dose of MTX used was 17.5 (3.8) mg/week. Seven patients received additional DMARDS (LEF/SSZ). At the end of 9 months, significant improvement (P < 0.05) was noted in the tender joint count, swollen joint count, global activity, DAS-28ESR, cDAPSA, Leeds Dactylitis Index basic, LEI, PASI and HAQ. Major cDAPSA response was achieved in 58.9% of patients. EULAR DAS28 moderate and good response was achieved in 74% and 6.8% of patients, respectively. Minimal Disease Activity was achieved in 63% of patients. A PASI75 response and HAQ response was achieved in 67.9% and 65.8% of patients, respectively. Conclusion MTX initiated at ⩾15 mg/week with targeted escalation resulted in significant improvement in the skin, joint, dactylitis, enthesitis and functional domains of PsA.


Rheumatology ◽  
2020 ◽  
Vol 59 (8) ◽  
pp. 1818-1825 ◽  
Author(s):  
Benjamin Hagège ◽  
Elina Tan ◽  
Martine Gayraud ◽  
Bruno Fautrel ◽  
Laure Gossec ◽  
...  

Abstract Objectives Remission (REM) or low disease activity (LDA) is the treatment target in psoriatic arthritis (PsA). The objective of this study was to assess the reporting and prevalence of REM/LDA in published studies of PsA. Methods This was a systematic literature review of all clinical papers published in PubMed, EMBASE or Cochrane database in English between 2012 and 2019 in the field of PsA. Data were collected regarding reporting of REM/LDA by very low disease activity/minimal disease activity (VLDA/MDA), Disease Activity index for Psoriatic Arthritis (DAPSA), or Disease Activity Score 28 joints (DAS28). The pooled rates of REM and LDA by each definition were calculated by random effect meta-analysis. Results In all, 258 publications (corresponding to 114 651 patients), of which 81 (31%) were randomized controlled trials, were analysed: patients’ mean age was 49.4 ( 4.4) years; with a mean disease duration of 8.5 ( 3.8) years. REM/LDA was reported in 91/258 (35.3%) publications. VLDA/MDA was used in 61/91 (67.0%) studies, DAPSA in 27/91 (29.6%) and DAS28 in 28/91 (30.7%), with 40/91 (43.9%) papers reporting several of these definitions. The pooled prevalence (lower–upper limits) of REM was 13.1% (10.9–15.4), 23.1% (16.8–30.1) and 42.1% (33.9–50.4) using VLDA, DAPSA-REM and DAS28, respectively. For LDA the pooled prevalence was 36.3% (32.3–40.5), 52.8% (41.8–63.6) and 60.4% (52.5–68.0) using MDA, DAPSA-LDA and DAS28, respectively. Conclusion REM/LDA status was reported in only1/3 of recent studies on PsA, with important variations in the frequency of these outcomes according to the definition used: 13.1–42.1% for REM, and 36.3–60.4% for LDA. This highlights the need for consensus.


2017 ◽  
Vol 44 (4) ◽  
pp. 431-436 ◽  
Author(s):  
Brigitte Michelsen ◽  
Andreas P. Diamantopoulos ◽  
Hege Kilander Høiberg ◽  
Dag Magnar Soldal ◽  
Arthur Kavanaugh ◽  
...  

Objective.To explore the burden of skin, joint, and entheses manifestations in a representative psoriatic arthritis (PsA) outpatient cohort in the biologic treatment era.Methods.This was a cross-sectional study of 141 PsA outpatients fulfilling the ClASsification for Psoriatic ARthritis (CASPAR) criteria and examined between January 2013 and May 2014. Selected disease activity measures were explored including Disease Activity index for PSoriatic Arthritis (DAPSA), Composite Psoriatic Disease Activity Index (CPDAI), Psoriatic Arthritis Disease Activity Score (PASDAS), Disease Activity Score for 28 joints (DAS28), Simplified Disease Activity Index (SDAI), and Psoriasis Area Severity Index (PASI). Dermatology Life Quality Index (DLQI), minimal disease activity (MDA), and remission criteria were assessed.Results.Median (range) DAPSA was 14.5 (0.1–76.4), CPDAI 5 (1–11), PASDAS 3.1 (2.1–4.2), DAS28-erythrocyte sedimentation rate (ESR) 3.2 (0.6–6.4), SDAI 8.6 (0.1–39.5), PASI 1.2 (0.0–19.7), and DLQI 2.0 (0–17). The MDA criteria were fulfilled by 22.9% of the patients. DAPSA ≤ 4, CPDAI ≤ 2, PASDAS < 2.4, DAS28-ESR < 2.4, SDAI < 3.3, and Boolean’s remission criteria were fulfilled by 12.1, 9.3, 7.8, 26.2, 21.3, and 5.7% of patients, respectively. The number of satisfied patients was similar regardless of whether the group was treated with tumor necrosis factor inhibitors.Conclusion.Our real-life data indicate that there is still a need for improvement in today’s treatment of PsA. Musculoskeletal inflammatory involvement was more prominent than psoriatic skin involvement. Only a few patients fulfilled the DAPSA, PASDAS, and CPDAI remission criteria, and about a quarter fulfilled the MDA criteria. Considerably fewer patients fulfilled PsA-specific remission criteria versus non-PsA specific remission criteria. Still, patient satisfaction was good and PASI and DLQI were low.


2017 ◽  
Vol 45 (1) ◽  
pp. 78-82 ◽  
Author(s):  
Leslie R. Harrold ◽  
Bradley S. Stolshek ◽  
Sabrina Rebello ◽  
David H. Collier ◽  
Alex Mutebi ◽  
...  

Objective.Rebound may occur in patients with psoriatic arthritis (PsA) who discontinue TNF inhibitor (TNFi) therapy in low disease activity (LDA).Methods.Using physician and patient reports, we quantified rebound following TNFi discontinuation [defined as Clinical Disease Activity Index (CDAI) score > 10 or TNFi restart] and time to rebound in adults with PsA in LDA (CDAI score ≤ 10) at TNFi discontinuation.Results.Rebound occurred in 73% (69/94) of patients soon after discontinuation (median time to rebound 8.0 mos, 95% CI 6.0–12.0).Conclusion.Rebound occurred frequently in patients with PsA after TNFi discontinuation. TNFi discontinuation after achieving LDA should be carefully considered.


2015 ◽  
Vol 42 (12) ◽  
pp. 2332-2338 ◽  
Author(s):  
Ennio Lubrano ◽  
Fabio Massimo Perrotta ◽  
Wendy J. Parsons ◽  
Antonio Marchesoni

Objective.To assess the low disease activity (LDA) in a group of patients with psoriatic arthritis (PsA) receiving antitumor necrosis factor-α (TNF-α) by using the patient’s global assessment (PtGA) in clinical practice, and to compare PtGA with minimal disease activity (MDA) and other outcome measures.Methods.Patients with PsA classified by the ClASsification for Psoriatic ARthritis (CASPAR) criteria and consecutively admitted to an outpatient clinic dedicated to biologic therapy were assessed during their routine followup. The primary outcome measure was the proportion of patients achieving a PtGA ≤ 20 at 4-, 8-, and 12-month followups. Secondary outcome measures included the proportion of patients achieving MDA and other outcome measures. Correlation of PtGA with MDA and other process and outcome measures were also performed.Results.During the period of observation, 124 patients were evaluated. PtGA ≤ 20 was achieved in 25.7% at 4 months, 48.9% at 8 months, and 65.3% at 12 months of followup. The percentage of PtGA ≤ 20 statistically improved throughout the 3 timepoint assessments and it was statistically correlated to MDA. A significant correlation with the Disease Activity index for PSoriatic Arthritis (DAPSA), Bath Ankylosing Spondylitis Disease Activity Index, and Health Assessment Questionnaire was also observed. MDA, DAPSA, and Disease Activity Score at 28 joints with C-reactive protein remission were achieved at 12 months in 64%, 36%, and 71% of patients, respectively.Conclusion.PtGA can estimate the LDA status and could be considered as a surrogate of outcome measures for the assessment of global disease activity in patients with PsA receiving anti-TNF therapy during routine clinical practice. These data suggest that PtGA might be used in outpatient settings, being a simple, reliable, and not time-consuming instrument.


2014 ◽  
Vol 2014 ◽  
pp. 1-12 ◽  
Author(s):  
Fausto Salaffi ◽  
Alessandro Ciapetti ◽  
Marina Carotti ◽  
Stefania Gasparini ◽  
Marwin Gutierrez

Objective. To compare, “in a real world,” the performance of the most common composite activity indices in a cohort of PsA patients.Methods. A total of 171 PsA patients were involved. The following variables were evaluated: peripheral joint assessment, patient reported of pain, physician and patient assessments of disease activity, patient general health status, dactylitis digit count, Leeds Enthesitis Index, Health Assessment Questionnaire (HAQ), physical and mental component summary score of the Medical Outcome Survey (SF-36), Psoriasis Area and Severity Index (PASI), Dermatology Life Quality Index, C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR). To measure the disease activity, the Disease Activity Score (DAS28-ESR and DAS28-CRP), Simple Disease Activity Index (SDAI), Composite Psoriatic Disease Activity Index (CPDAI), disease activity in psoriatic arthritis (DAPSA), and Psoriatic Arthritis Disease Activity Score (PASDAS) have been calculated. The criteria for minimal disease activity (MDA) and remission were applied as external criterion.Results. The ROC were similar in all the composite measures. Only the CPDAI showed less discriminative ability. There was a high degree of correlation between all the indices (P<0.0001). The highest correlations were between DAPSA and SDAI (rho = 0.996) and between DAPSA and DAS28-CRP (rho = 0.957). CPDAI, DAPSA, and PASDAS had the most stringent definitions of remission and MDA category. DAS28-ESR and DAS28-CRP had the highest proportions in remission and MDA.Conclusions. Although a good concurrent validity and discriminant capacity of six disease activity indices were observed, the proportions of patients classified in the disease activity levels differed. In particular, the rate of patients in remission was clearly different among the respective indices.


Sign in / Sign up

Export Citation Format

Share Document