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Table 1 Key study characteristics

From: Meta-analysis of long-term joint structural deterioration in minimally treated patients with rheumatoid arthritis

Study [Ref]

Study design

Follow-up period

Reassignment in studies of biologics

Larsen

JSN

ES

TSS

Outcomes of interest

DMARD-IR population

 Breedveld et al. 2004 [20]

RCT

NA

No reassignment; MTX dose increase for non-responders

No

No

No

Yes

Modified TSS

 Hamdy et al. 1987 [21]

Double-blind RCT

1.5 years

NA

No

No

No

Yes

TSS

 Jeurissen et al. 1991 [22]

Double-blind RCT

48 weeks

NA

No

No

No

Yes

Modified TSS

 Keystone et al. 2004 [23]

Double-blind RCT

1 year

No reassignment; MTX dose increase for non-responders

No

Yes

Yes

Yes

Modified TSS

 Keystone et al. 2008 [24]

Double-blind RCT

1 year

No reassignment

No

Yes

Yes

Yes

Modified TSS

 Lipsky et al. 2000 [25]

RCT

1 year

No reassignment

No

Yes

Yes

Yes

Modified TSS

 Maini et al. 2004 [26]

Double-blind RCT

2 years

No reassignment

No

Yes

Yes

Yes

Modified TSS

 Sany et al. 1990 [27]

RCT

2 years

NA

Yes

No

No

No

Larsen scores

 Smolen et al. 2009 [28]

RCT

2 years

No reassignment

No

Yes

Yes

Yes

Modified TSS

 van der Heijde et al. 2006 [29]

Double-blind RCT

2 years

No reassignment

No

Yes

Yes

Yes

Modified TSS

 van Holten et al. 2005 [30]

Double-blind RCT

24 weeks

NA

No

No

No

Yes

Modified TSS

 Wick et al. 2005 [31]

Retrospective cohort

NA

NA

Yes

No

No

No

Larsen scores

Non-DMARD-IR population

 Bathon et al. 2000 [32]

RCT

1 year

No reassignment

No

Yes

Yes

Yes

Modified TSS

 Boiardi et al. 1999 [33]

Prospective cohort

1 year

NA

Yes

No

No

No

Larsen scores

 Breedveld et al. 2006 [34]

Double-blind RCT

2 years

No reassignment; MTX dose increase for non-responders

No

Yes

Yes

Yes

Modified TSS

 Choy et al. 2008 [35]

Double-blind RCT

2 years

NA

Yes

No

No

No

Larsen scores

 Cohen et al. 2001 [36]

Double-blind RCT

2 years

NA

No

Yes

Yes

Yes

Modified TSS

 Cohen et al. 2008 [37]

Double-blind RCT

1 year

NA

No

Yes

Yes

No

Modified TSS

 Emery et al. 2000 [38]

Double-blind RCT

2 years

NA

Yes

No

No

No

Larsen scores

 Emery et al. 2008 [39]

Double-blind RCT

1 year

No reassignment

No

No

No

Yes

Modified TSS

 Emery et al. 2009 [40]

Double-blind RCT

2 years

No reassignment

No

Yes

Yes

Yes

Modified TSS

 Ferraccioli et al. 1996 [41]

Open-label RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Ferraccioli et al. 1997 [42]

Open-label RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Goldbach-Mansky et al. 2009 [43]

RCT

24 weeks

NA

No

Yes

Yes

Yes

Modified TSS

 Hannonen et al. 1993 [44]

Double-blind RCT

48 weeks

NA

No

Yes

Yes

Yes

Modified TSS

 Hetland et al. 2006 [45]

Double-blind RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Hetland et al. 2008 [46]

Double-blind RCT

2 years

NA

No

Yes

Yes

Yes

Modified TSS

 Landewé et al. 2002 [47]

Double-blind RCT

1 year

NA

No

No

No

Yes

Modified TSS

 Larsen et al. 2001 [48]

Double-blind RCT

24 weeks

NA

Yes

No

No

No

Larsen scores

 Maravic et al. 1999 [49]

Open-label RCT

1 year

NA

Yes

No

No

Yes

Larsen scores and TSS

 Marchesoni et al. 2002 [50]

First phase was open and uncontrolled; second phase was single-blind RCT

2 years

NA

Yes

Yes

Yes

Yes

Larsen scores and TSS

 Peltomaa et al. 1995 [51]

RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Sanmarti et al. 2003 [52]

Prospective cohort

1 year

NA

Yes

No

No

No

Larsen scores

 Sarzi-Puttini et al. 2005 [53]

RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Scott et al. 1985 [54]

RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Scott et al. 1989 [55]

RCT

1 year

NA

Yes

No

No

No

Larsen scores

 Scott et al. 1990 [56]

RCT

2 years

NA

Yes

No

No

No

Larsen scores

 Smith et al. 1982 [57]

Open-label RCT

2 years

NA

Yes

No

No

No

Larsen scores

 St Clair et al. 2004 [58]

RCT

2 years

No reassignment

No

Yes

Yes

Yes

Modified TSS,

 Strand et al. 1999 [59]

Double-blind RCT

1 year

NA

No

Yes

Yes

Yes

Modified TSS

 Svensson et al. 2003 [60]

Double-blind RCT

1.5 years

NA

Yes

No

No

No

Larsen scores

 Svensson et al. 2005 [61]

Open-label RCT

2 years

NA

No

Yes

Yes

Yes

Modified TSS

 van Riel et al. 1986 [62]

Single-blind RCT

1 year

NA

Yes

No

No

No

Modified Larsen scores

 Wassenberg et al. 2005 [63]

Double-blind RCT

2 years

NA

No

Yes

Yes

Yes

Modified TSS

  1. DMARD disease-modifying anti-rheumatic drug, DMARD-IR patient population with moderate-to-severe RA with a history of inadequate response to non-biologic DMARDs who are currently treated with one (other) non-biologic DMARD, ES Erosion Subscore of TSS, JSN Joint Space Narrowing Subscore of TSS, MTX methotrexate, NA not available, non-DMARD-IR patient population with moderate to severe RA without a history of inadequate response to a DMARD who are currently receiving palliative care (non-steroidal anti-inflammatory drugs, analgesics, low-dose glucocorticoids) or are being minimally treated with one non-biologic DMARD, RA rheumatoid arthritis, Ref reference, RCT randomized controlled trial, TSS modified Total Sharp Score