Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry

Bente Glintborg; Mikkel Østergaard; Niels Steen Krogh; Lene Dreyer; Hanne Lene Kristensen; Merete Lund Hetland; Lene Dreyer

doi:10.1136/ard.2009.124446

Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry

Bente Glintborg, Mikkel Østergaard, Niels Steen Krogh, Lene Dreyer, Hanne Lene Kristensen, Merete Lund Hetland, Lene Dreyer

135 Citationer (Scopus)

Abstract

Objectives: To use prospectively registered data from the Danish nationwide rheumatological database (DANBIO) to describe disease activity, clinical response, treatment duration and predictors of drug survival (ie, number of days individual patients maintained treatment) and clinical response among patients with ankylosing spondylitis (AS) receiving their first treatment series with a tumour necrosis factor α (TNFα) inhibitor. Methods: 842 TNFα inhibitor naive patients with AS were identified in DANBIO. Clinical response, drug survival and predictors thereof were investigated. 'Clinical response' was defined as a 50% or 20 mm reduction in Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) within 6 months compared with baseline. Achievement of a BASDAI <40 mm within 6 months was used as a second response parameter. Results: 603 patients (72%) were men, disease duration 5 (1-13) years (median (IQR), age 41 (32-50) years. 445 (53%) received infliximab, 247 (29%) adalimumab and 150 (18%) etanercept. Parameters at baseline/1-year follow-up were: C-reactive protein (CRP): 14 (7-27)/5 (2-10) mg/l, BASDAI 59 (44-72)/21 (8-39) mm, Bath Ankylosing Spondylitis Functional Index (BASFI) 50 (34-67)/24 (9-45) mm, Bath Ankylosing Spondylitis Metrology Index 40 (20-50)/20 (10-40) mm. Within 6 months, 407/644 patients (63%) achieved a clinical response. Median drug survival was 4.3 years. One- and 2-year survival rates were 74% and 63%, respectively. Baseline characteristics associated with longer drug survival were male gender, CRP >14 mg/l and low visual analogue scale fatigue (Cox regression analysis). Age, TNFα inhibitor and methotrexate use were insignificant. CRP >14 mg/l, lower BASFI and younger age at baseline was associated with clinical response and achievement of a BASDAI <40 mm (logistic regression analysis). Conclusion: TNFα inhibitors provide a rapid and sustained decrease of disease activity among patients with AS in clinical practice. Factors associated with continued treatment, clinical response and achievement of a BASDAI <40 mm were identified.

Originalsprog	Engelsk
Tidsskrift	Annals of the Rheumatic Diseases
Vol/bind	69
Udgave nummer	11
Sider (fra-til)	2002-8
Antal sider	7
ISSN	0003-4967
DOI	https://doi.org/10.1136/ard.2009.124446
Status	Udgivet - 1 nov. 2010

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10.1136/ard.2009.124446

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Citationsformater

Glintborg, B., Østergaard, M., Krogh, N. S., Dreyer, L., Kristensen, H. L., Hetland, M. L., & Dreyer, L. (2010). Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry. Annals of the Rheumatic Diseases, 69(11), 2002-8. https://doi.org/10.1136/ard.2009.124446

Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry. / Glintborg, Bente; Østergaard, Mikkel; Krogh, Niels Steen et al.

I: Annals of the Rheumatic Diseases, Bind 69, Nr. 11, 01.11.2010, s. 2002-8.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

Glintborg, B, Østergaard, M, Krogh, NS, Dreyer, L, Kristensen, HL, Hetland, ML & Dreyer, L 2010, 'Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry', Annals of the Rheumatic Diseases, bind 69, nr. 11, s. 2002-8. https://doi.org/10.1136/ard.2009.124446

Glintborg B, Østergaard M, Krogh NS, Dreyer L, Kristensen HL, Hetland ML et al. Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry. Annals of the Rheumatic Diseases. 2010 nov. 1;69(11):2002-8. doi: 10.1136/ard.2009.124446

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title = "Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry",

abstract = "Objectives: To use prospectively registered data from the Danish nationwide rheumatological database (DANBIO) to describe disease activity, clinical response, treatment duration and predictors of drug survival (ie, number of days individual patients maintained treatment) and clinical response among patients with ankylosing spondylitis (AS) receiving their first treatment series with a tumour necrosis factor α (TNFα) inhibitor. Methods: 842 TNFα inhibitor naive patients with AS were identified in DANBIO. Clinical response, drug survival and predictors thereof were investigated. 'Clinical response' was defined as a 50% or 20 mm reduction in Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) within 6 months compared with baseline. Achievement of a BASDAI <40 mm within 6 months was used as a second response parameter. Results: 603 patients (72%) were men, disease duration 5 (1-13) years (median (IQR), age 41 (32-50) years. 445 (53%) received infliximab, 247 (29%) adalimumab and 150 (18%) etanercept. Parameters at baseline/1-year follow-up were: C-reactive protein (CRP): 14 (7-27)/5 (2-10) mg/l, BASDAI 59 (44-72)/21 (8-39) mm, Bath Ankylosing Spondylitis Functional Index (BASFI) 50 (34-67)/24 (9-45) mm, Bath Ankylosing Spondylitis Metrology Index 40 (20-50)/20 (10-40) mm. Within 6 months, 407/644 patients (63%) achieved a clinical response. Median drug survival was 4.3 years. One- and 2-year survival rates were 74% and 63%, respectively. Baseline characteristics associated with longer drug survival were male gender, CRP >14 mg/l and low visual analogue scale fatigue (Cox regression analysis). Age, TNFα inhibitor and methotrexate use were insignificant. CRP >14 mg/l, lower BASFI and younger age at baseline was associated with clinical response and achievement of a BASDAI <40 mm (logistic regression analysis). Conclusion: TNFα inhibitors provide a rapid and sustained decrease of disease activity among patients with AS in clinical practice. Factors associated with continued treatment, clinical response and achievement of a BASDAI <40 mm were identified.",

author = "Bente Glintborg and Mikkel {\O}stergaard and Krogh, {Niels Steen} and Lene Dreyer and Kristensen, {Hanne Lene} and Hetland, {Merete Lund} and Lene Dreyer",

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doi = "10.1136/ard.2009.124446",

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T1 - Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry

AU - Glintborg, Bente

AU - Østergaard, Mikkel

AU - Krogh, Niels Steen

AU - Dreyer, Lene

AU - Kristensen, Hanne Lene

AU - Hetland, Merete Lund

AU - Dreyer, Lene

PY - 2010/11/1

Y1 - 2010/11/1

N2 - Objectives: To use prospectively registered data from the Danish nationwide rheumatological database (DANBIO) to describe disease activity, clinical response, treatment duration and predictors of drug survival (ie, number of days individual patients maintained treatment) and clinical response among patients with ankylosing spondylitis (AS) receiving their first treatment series with a tumour necrosis factor α (TNFα) inhibitor. Methods: 842 TNFα inhibitor naive patients with AS were identified in DANBIO. Clinical response, drug survival and predictors thereof were investigated. 'Clinical response' was defined as a 50% or 20 mm reduction in Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) within 6 months compared with baseline. Achievement of a BASDAI <40 mm within 6 months was used as a second response parameter. Results: 603 patients (72%) were men, disease duration 5 (1-13) years (median (IQR), age 41 (32-50) years. 445 (53%) received infliximab, 247 (29%) adalimumab and 150 (18%) etanercept. Parameters at baseline/1-year follow-up were: C-reactive protein (CRP): 14 (7-27)/5 (2-10) mg/l, BASDAI 59 (44-72)/21 (8-39) mm, Bath Ankylosing Spondylitis Functional Index (BASFI) 50 (34-67)/24 (9-45) mm, Bath Ankylosing Spondylitis Metrology Index 40 (20-50)/20 (10-40) mm. Within 6 months, 407/644 patients (63%) achieved a clinical response. Median drug survival was 4.3 years. One- and 2-year survival rates were 74% and 63%, respectively. Baseline characteristics associated with longer drug survival were male gender, CRP >14 mg/l and low visual analogue scale fatigue (Cox regression analysis). Age, TNFα inhibitor and methotrexate use were insignificant. CRP >14 mg/l, lower BASFI and younger age at baseline was associated with clinical response and achievement of a BASDAI <40 mm (logistic regression analysis). Conclusion: TNFα inhibitors provide a rapid and sustained decrease of disease activity among patients with AS in clinical practice. Factors associated with continued treatment, clinical response and achievement of a BASDAI <40 mm were identified.

AB - Objectives: To use prospectively registered data from the Danish nationwide rheumatological database (DANBIO) to describe disease activity, clinical response, treatment duration and predictors of drug survival (ie, number of days individual patients maintained treatment) and clinical response among patients with ankylosing spondylitis (AS) receiving their first treatment series with a tumour necrosis factor α (TNFα) inhibitor. Methods: 842 TNFα inhibitor naive patients with AS were identified in DANBIO. Clinical response, drug survival and predictors thereof were investigated. 'Clinical response' was defined as a 50% or 20 mm reduction in Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) within 6 months compared with baseline. Achievement of a BASDAI <40 mm within 6 months was used as a second response parameter. Results: 603 patients (72%) were men, disease duration 5 (1-13) years (median (IQR), age 41 (32-50) years. 445 (53%) received infliximab, 247 (29%) adalimumab and 150 (18%) etanercept. Parameters at baseline/1-year follow-up were: C-reactive protein (CRP): 14 (7-27)/5 (2-10) mg/l, BASDAI 59 (44-72)/21 (8-39) mm, Bath Ankylosing Spondylitis Functional Index (BASFI) 50 (34-67)/24 (9-45) mm, Bath Ankylosing Spondylitis Metrology Index 40 (20-50)/20 (10-40) mm. Within 6 months, 407/644 patients (63%) achieved a clinical response. Median drug survival was 4.3 years. One- and 2-year survival rates were 74% and 63%, respectively. Baseline characteristics associated with longer drug survival were male gender, CRP >14 mg/l and low visual analogue scale fatigue (Cox regression analysis). Age, TNFα inhibitor and methotrexate use were insignificant. CRP >14 mg/l, lower BASFI and younger age at baseline was associated with clinical response and achievement of a BASDAI <40 mm (logistic regression analysis). Conclusion: TNFα inhibitors provide a rapid and sustained decrease of disease activity among patients with AS in clinical practice. Factors associated with continued treatment, clinical response and achievement of a BASDAI <40 mm were identified.

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DO - 10.1136/ard.2009.124446

M3 - Journal article

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JO - Annals of the Rheumatic Diseases

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