Table 10Discontinuation rates and adverse events

Drug Therapy Comparison CategoryStudy, Yr

Risk of Bias Ratings
Study Design N DurationComparison (Dose)Results
Corticosteroids vs. csDMARDsCAMERA-II, 201294

Medium
RCT
N=239
2 yrs
PRED (10 mg/day) + MTX (10 mg/week) vs. MTX (10 mg/week)Overall discontinuation: 28% vs. 29.8% at 2 years

Discontinuation due to adverse events: 14% vs. 17%

Serious adverse events: 2.0% vs. 4.0%

Specific adverse events:
Nausea: 19.6% vs. 36.1, p=0.006
ALT > ULN: 12.8% vs. 27.7%, p=0.016
AST > ULN: 6.8% vs. 17.6%, p=0.016
Headache: 19.6% vs. 26%
No difference in infections
Corticosteroids vs. csDMARDsCARDERA, 200793

Medium
RCT
N=467
2 yrs
PNL (60 mg/day tapered over 34 weeks) + MTX (7.5-15 mg/week) vs. MTXOverall discontinuation: 47% vs. 16.2% at 2 years

Discontinuation due to adverse events: 12.2% vs. 6.8%

Serious adverse events: 19.0% vs. 21.0%

Specific adverse events:
Respiratory tract infection: 49.0% vs. 54.0%
Nausea/vomiting: 20.0% vs. 15.0%
Abdominal pain: 9.0% vs. 7.0%
Headache: 10.0% vs. 6.0%
Dizziness: 6.0% vs. 4.0%
Corticosteroids vs. csDMARDsMontecucco et al., 20123

Medium
Open label RCT
N=220
12 months
PRED (12.5 mg/day for 2 weeks then taper to 6.25 mg/day) + MTX (10-25 mg/week)
vs. MTX (10-25 mg/week)
Overall discontinuation: 8.2% vs. 10.9%

Discontinuation due to adverse events: 5.5% vs. 9.1%, p=0.29

Serious adverse events: NR

Specific adverse events: NR
Corticosteroids vs. csDMARDsCareRA, 2015,95 2015,98 201799

Medium
Open label RCT
N=379
2 yrs
High-risk patients:
1: MTX (15 mg/week) + SSZ (2 g/day) + PRED (60 mg/day tapered to 7.5 mg/day)
vs. 2: MTX + PRED (30 mg tapered to 5 mg/day)
vs. 3: MTX + LEF (10 mg/day) + PRED (30 mg tapered to 5 mg/day)
vs. Low-risk patients:
4: MTX 15 mg/week
vs. 5: MTX + PRED (30 mg tapered to 5 mg/day)
Overall discontinuation: 8.2%,9.2%, 8.6%, 6.4%,11.6%

Discontinuation due to adverse events: NR

No significant serious adverse events: 15.3%, 15.3%, 10.8%, 14.9%, 16.3%, p=NR, NS

Specific adverse events:
Rash: 4.1%, 3.1%,1.1%, 6.4%, 4.7%
Corticosteroids vs. csDMARDsBARFOT #2, 2005,78 2009,97 2014,138, 140

Medium
High for 4-yr outcomes
Open label RCT
N=259
2 yrs

4-yr followup
PNL 7.5 mg/day + DMARD (SSZ 2 g/day or MTX 10 mg/week)
vs. DMARD (SSZ 2 g/day or MTX 10 mg/week)
Overall discontinuation: 11.8% vs. 19.8%

Discontinuation due to adverse events: 1.7% vs. 0.0%

Serious adverse events: NR

Specific adverse events:
Rash: 5% vs. 6.9%
High-Dose CorticosteroidsDurez et al., 200718 a bRCT
N=44
1 yr
IFX (3 mg/kg at weeks 0, 2, 6 until 46 weeks) + MTX (7.5-20 mg/wk) vs. Methyl-PNL (1 g weeks 0, 2, 6 and every 8 weeks until 46 weeks) + MTX vs. MTXOverall discontinuation: 6.7% vs. 6.7% vs. 14.3%

Discontinuation due to adverse events: 6.7% vs. 0.0% vs. 0.0%

Serious adverse events: 0.0% vs. 0.0% vs. 6.7%

Specific adverse events:
Benign infection: 80.0% vs. 80.0% vs. 93.3%
Mild hepatotoxicity: 14.3% vs. 20.0% vs. 33.5%
csDMARD Monotherapy Versus csDMARD MonotherapyBARFOT #1, 200327

High
RCT
N=245
2 yrs
PNL (7.5-15 mg/day for 1-3 months) + MTX (5-15 mg/week)
vs. SSZ (2-3 g/day) + PNL (up to 10 mg/day)
Overall discontinuation: 19.5% vs. 47.7%

Discontinuation due to adverse events: 11.5% vs. 33.3%

Serious adverse events: NR

Specific adverse events: NR
csDMARD Monotherapy Versus csDMARD MonotherapyNOR-DMARD 201228

High
Obser-vational
N=1,102
3 yrs
MTX (10 mg-15 mg/week)
vs. SSZ (2 g/day)
Overall discontinuation: 48.1% vs. 78.9%

Discontinuation due to adverse events: 15.4% vs. 36%

Serious adverse events: NR

Specific adverse events:
Infections: 34.1% vs. 20.0%, p<0.001
Nausea: 18.9% vs. 13.1%, p<0.07
Abdominal pain: 4.0% vs. 8.0%, p<0.03
Rash: 2.7% vs. 9.1%, p<0.001
csDMARD Monotherapy Versus csDMARD MonotherapyNOR-DMARD 201228

High
Obser-vational
N=1,102
3 yrs
MTX (10 mg-15 mg/week)
vs. SSZ (2 g/day)
Overall discontinuation: 48.1% vs. 78.9%

Discontinuation due to adverse events: 15.4% vs. 36%

Serious adverse events: NR

Specific adverse events:
Infections: 34.1% vs. 20.0%, p<0.001
Nausea: 18.9% vs. 13.1%, p<0.07
Abdominal pain: 4.0% vs. 8.0%, p<0.03
Rash: 2.7% vs. 9.1%, p<0.001
csDMARD Combination Therapy vs. csDMARD MonotherapyDougados et al., 199921,104 a

Medium
RCT
N=209
1 yr
5-yr followup
SSZ (2-3 g/day) + MTX (7.5 to 15 mg/week)
vs. SSZ
vs. MTX
Overall discontinuation: 29.2%, 30.9%, 21.7%

Discontinuation due to adverse events: 12.5%, 14.7%, 10.1%

Serious adverse events: 1.0%, 0.0%, 2.0%

Specific adverse events:
Nausea: 49.0%, 32.0%, 23.0%, p=0.007
csDMARD Combination Therapy vs. csDMARD MonotherapyHaagsma 199723 a

Medium
RCT
N=105
1 yr
SSZ (1-3 g/day) vs. MTX (7.5-15 mg/week)
vs. MTX + SSZ
Overall discontinuation: 35.3%, 5.7%, 16.7%

Discontinuation due to adverse events: 26.5%, 5.7%, 13.9%

Serious adverse events: 8.8%, 0.0%, 0.0%

Specific adverse events:
Nausea: 29.4%, 25.7%, 63.9%
Upper respiratory infection: 17.6%, 20.0%, 27.8%
csDMARD Combination Therapy vs. csDMARD MonotherapyNijmegen RA Inception 200926

Medium

High for 12 months
Obser-vational
N=230
1 yr
(SSZ failures)
Switch from SSZ to MTX (7.5 mg-30 mg/week)
vs. MTX and continue SSZ (750-3,000 mg/day)
Overall discontinuation:33.9% vs. 50.0%, p=0.013

Discontinuation due to adverse events: 18.5%, 11.3%

Serious adverse events: NR

Specific adverse events: NR
csDMARD Combination Therapy vs. csDMARD MonotherapyCOBRA 1997,24 2002100, 141

Medium
RCT
N=155
5 yrs
PNL (60 mg tapered over 28 weeks) + MTX (7.5 mg/week stopped after 40 weeks) + SSZ (2,000 mg/day)
vs. SSZ
Overall discontinuation: 8.0% vs. 29.1%, p=0.0008

Discontinuation due to adverse events: 2.6% vs. 7.6%

Serious adverse events: 2.6% vs. 7.6%

Specific adverse events:
GI complaints: 14.5% vs. 12.7%
csDMARD Combination Therapy vs. csDMARD MonotherapyCOBRA Light, 201425, 105

Medium
RCT
N=164
1 yr
PNL (60 mg tapered to 7.5 mg/day) + MTX 7.5 mg/week) + SSZ (2 g/day) vs. PNL (30 mg/d tapered to 7 mg/day + MTX (25 mg/week)

ETN intensification in both groups if DAS>1.6 at week 25 or 39
Overall discontinuation: 3.7% vs. 4.9%

Discontinuation due to adverse events: NR

Serious adverse events: 11.1% vs. 19.8%

Specific adverse events:
Leukopenia: 1.0% vs. 4.0%
csDMARD Combination Therapy vs. csDMARD MonotherapyFIN-RACO 1999,22 2010,142 2013,143 2004,101 2004,102 2010145

Medium
RCT
N=199
2 yrs
5-yr followup
MTX (7.5-10 mg/week) + HCQ (300 mg/day) + SSZ (2 g/day) + PNL (5-10 mg/day) vs. DMARD (SSZ could be changed to MTX if adverse event or lack of response)Overall discontinuation: 10.3% vs. 7.1%

Discontinuation due to adverse events: 23.7% vs. 22.4%

Serious adverse events: 3.1%, 5.1%

Specific adverse events:
Elevated liver enzymes (AAT and AP > 2x normal): 11.3% vs. 23.5%, p=0.026
csDMARD Combination Therapy vs. csDMARD MonotherapytREACH 2013,4 2014,146 2016147

Medium
RCT
N=515
1 yr
MTX (25 mg/week) + SSZ (2 g/day) + HCQ (400 mg/day) + GCs intramuscularly
vs. MTX + SSZ + HCQ + GC oral taper (15 mg/day tapers off at 10 weeks)
vs. MTX + GC oral taper
Overall discontinuation: 15% vs. 9.7% vs. 10.3%

Discontinuation due to adverse events: 1.1%, 0.0%, 2.1%

Serious adverse events: 5.0%,11.0%, 10.0%

Specific adverse events:
Headache: 11.0% vs. 14.0% vs. 13.0%
TNF Biologic + csDMARD vs. TNF biologicPREMIER 2006,15 2008,103 2010,149 2010,115 2012,116 2013,117 2014,118 2015119 c

Medium
RCT
N=799
2 yrs
ADA (40 mg biweekly) + MTX (20 mg/week)
vs. ADA
vs. MTX
Overall discontinuation: 24.3% vs. 39.1% vs. 34.2%, p<0.001

Discontinuation due to adverse events: 11.9% vs. 9.5% vs. 7.4%, p=0.21

Serious adverse events: 18.5%, 21.1%, 15.9%, p=0.192

Specific adverse events: Higher serious infections (n per 100 pt-years) in ADA + MTX vs. ADA: 2.9, 0.7, p<0.05
Non-TNF Biologic + csDMARD vs. Non-TNF BiologicAVERT, 20157 a d

Medium
RCT
N=351
2 yrs
ABA (125 mg/week) + MTX (7.5-20 mg/week)
vs. ABA
vs. MTX
Overall discontinuation: 13.4%, 21.6%, 17.2%

Discontinuation due to adverse events: 1.7%, 4.3%, 2.6%

Serious adverse events: 6.7%, 12.1%, 7.8%

Specific adverse events:
Serious infection: 0.8% vs. 3.4% vs. 0%
Non-TNF Biologic + csDMARD vs. Non-TNF BiologicFUNCTION 201632 a d

Medium
RCT
N=1,162
1 yr
TCZ (4 mg/kg monthly) + MTX (20 mg/week) vs.
TCZ (8 mg/kg monthly) + MTX vs.
TCZ vs. MTX
Overall discontinuation: 20.3%, 22%, 19.2%, 21.8%

Discontinuation due to adverse events: 12.1%, 20.3%, 11.6%, 7.4%

Serious adverse events: 10%, 10.7%, 8.6%, 8.5%

Specific adverse events: NR
Non-TNF Biologic + csDMARD vs. Non-TNF BiologicU-Act-Early 201633 a d

Medium
RCT
N=317
2 yrs
TCZ (8 mg/kg monthly) + MTX (10-30 mg/week) vs. TCZ vs.
MTX
Overall discontinuation: 26.4%, 21.4%, 27.8%

Discontinuation due to adverse events: 8.5%, 9.7%, 7.4%, p=0.82

Serious adverse events: 16%, 18.4%, 12%, p=0.44

Specific adverse events: NR
csDMARDs vs. tsDMARDsConaghan 201629

Medium
RCT
N=108
1 yr
TOF (20 mg/day) + MTX (10-20 mg/week) vs. TOF vs. MTXOverall discontinuation: 22.2%, 25%, 43.2%

Discontinuation due to adverse events: 11.1%, 5.6%, 13.5%

Serious adverse events: 5.6%, 2.8%, 5.4%

Specific adverse events:
Rash: 2.8%, 11.1%, 0.0%
Headache: 8.3%, 5.6%, 5.4%
Upper respiratory infection: 8.3%, 5.6%, 5.4%
Diarrhea: 2.8%, 5.6%, 2.7%
TNF Biologic vs. csDMARD MonotherapyHIT HARD 201334 a

Medium (DAS, ACR)

High (SHS)
RCT
N=172
48 weeks
ADA (40 mg biweekly x 24 weeks) + MTX (15 mg/week) vs. MTXOverall discontinuation: 12.6% vs. 32.9%

Discontinuation due to adverse events: 4% vs. 7%

Serious adverse events: 13.7% vs. 19.5%

Specific adverse events: NR
TNF Biologic vs. csDMARD MonotherapyHOPEFUL 1 201435, 150

Medium
RCT
334
52 weeks
ADA (40 mg biweekly) + MTX (6-8 mg/week)
vs. MTX
Overall discontinuation: 15.2% vs. 22.1%

Discontinuation due to adverse events: 4.1% vs. 2.5%

Serious adverse events: 0.6% vs. 0.6%

Specific adverse events:
Injection site reactions: 10.5% vs. 3.7%, p=0.02
TNF Biologic vs. csDMARD MonotherapyOPTIMA 2013,37 2014,151 2016152 a

Low
RCT
N=1,032
78 weeks
ADA (40 mg biweekly) + MTX (7.5-20 mg/week)
vs. MTX
Overall discontinuation: 22.3% vs. 24.2%

Discontinuation due to adverse events: 8.9% vs. 7.9%

Serious adverse events: 7.2% vs. 6.2%

Specific adverse events:
Bronchitis: 0.0%, 0.9%
Dizziness: 1.0%, 0.0%
TNF Biologic vs. csDMARD MonotherapyPREMIER 2006,15 2008,103 2010,149 2010,115 2012,116 2013,117 2014,118 2015119 c

Medium
RCT
N=799
2 yrs
ADA (40 mg biweekly) + MTX (20 mg/week)
vs. ADA
vs. MTX
Overall discontinuation: 24.3% vs. 39.1% vs. 34.2%, p<0.001

Discontinuation due to adverse events: 11.9% vs. 9.5% vs. 7.4%, p=0.21

Serious adverse events: 18.5%, 21.1%, 15.9%, p=0.192

Specific adverse events:
Higher rates of serious infections (n per 100 pt-years) in ADA + MTX vs. ADA: 2.9, 0.7, p<0.05
TNF Biologic vs. csDMARD MonotherapyPROWD 200816, 2016152

Medium (16 weeks)

High (56 weeks)
RCT
N=148
56 weeks
ADA (40 mg biweekly) + MTX (7.5-20 mg/week)
vs. MTX
Overall discontinuation: 25.0% vs. 37.0%

Discontinuation due to adverse events: 8.0% vs. 11.0%

Serious adverse events: 17.3% vs. 15.1%

Specific adverse events:
Abdominal pain: 1.4% vs. 0.0%
Nausea: 21.3% vs. 32.9%
Diarrhea: 10.7% vs. 8.2%
Headache: 10.7% vs. 6.8%
TNF Biologic vs. csDMARD MonotherapyC-OPERA 201613 a

Medium (24 weeks)

High (52 weeks, 2 yrs)
RCT
N=316
2 yrs
CZP (400 mg biweekly x 4 weeks, then 200 mg biweekly) + MTX (8-12 mg/week)
vs. MTX
Overall discontinuation: 53.5% vs. 63.7%

Discontinuation due to adverse events: 6.3% vs. 3.8%

Serious adverse events: 10.7% vs. 11.5%

Specific adverse events:
Nausea: 27.0% vs. 24.2%
Injection site reaction: 3.1% vs. 1.3%
Interstitial Lung disease: 4.4% vs. 0.6%
Hepatic disorders: 42.8% vs. 44.6%
TNF Biologic vs. csDMARD MonotherapyC-EARLY 201738, 39

Medium
RCT
N=879
52 weeks
Aggressive RA
CZP (400 mg biweekly) + MTX (10-25 mg/wk) vs. MTXOverall discontinuation: 24.2% vs. 34.7%

Discontinuation due to adverse events: 7.7 vs. 7.8%, p=NS, NR

Serious adverse events: 10.6% vs. 9.2%, p=NS, NR

Specific adverse events:
Nausea: 12.6% vs. 10.1%
Upper respiratory tract infection: 10.9% vs. 5.1%
Urinary tract infection: 7.3% vs. 7.4%
Headache: 6.8% vs. 3.7%
TNF Biologic vs. csDMARD MonotherapyCOMET 200812, 108, 109, 154156 a

Medium
RCT
N=542
2 yrs
ETN (50 mg/week) + MTX (7.5 mg/week) vs. MTXOverall discontinuation: 19.3% vs. 29.5%

Discontinuation due to adverse events: 10.2% vs. 12.7%

Serious adverse events: 12.0% vs. 12.7%

Specific adverse events:
Malignancy: 1.5% vs. 1.5%
Upper respiratory infection: 45.0% vs. 44.0%
Nausea: 53.0% vs. 50.0%
Infusion/injection site reactions: 1.0% vs. 2.0%
TNF Biologic vs. csDMARD MonotherapyEnbrel ERA 200014, 110112 a

Medium
RCT
N=632
1 yr
(1-yr open-label extension)
ETN (25 mg twice weekly) vs. MTX (20 mg/week)Overall discontinuation: 25.6% vs. 40.5%

Discontinuation due to adverse events: 7.3% vs. 12.4%

Serious adverse events: 12.0% vs. 12.0%

Specific adverse events:
Injection site reaction: 39.0% vs. 9.0%, p<0.05
Nausea: 20.0% vs. 31.0%, p<0.05
TNF Biologic vs. csDMARD MonotherapyMarcora et al., 2006113

Medium
RCT
N=26
24 weeks
ETN (25 mg twice weekly) vs. MTX (7.5-15 mg/week)Overall discontinuation: 0.0% vs. 0.0%

Discontinuation due to adverse events: NA

Serious adverse events: 0.0% vs. 0.0%

Specific adverse events:
Injection site reaction: 8.3% vs. 0.0%
TNF Biologic vs. csDMARD MonotherapyASPIRE 200417, 106, 107 a

Medium
RCT
N=1,049
54 weeks
IFX (3 mg/kg/8 weeks) + MTX (20 mg/week)
vs. IFX (6 mg/kg/8 weeks) + MTX
vs. MTX
Overall discontinuation: 21.4%, 23.8%, 25.5%

Discontinuation due to adverse events: 9.5%, 9.6%, 3.2%

Serious adverse events: 11.0%, 14.0%, 14.0%

Specific adverse events:
Infusion or injection site reaction: 21.0%, 15.0%, 7.0%
TB: 0.8%, 0.3%, 0.0%
Serious infection: 5.6%, 5.0%, 2.1%, p=0.02
TNF Biologic vs. csDMARD MonotherapyQuinn et al., 200541 a

Medium
RCT
N=20
2 yrs
IFX 3 mg/kg 0, 2, 6, and every 8 weeks) + MTX (7.5-25 mg/wk)
vs. MTX (7.5-25 mg/week)
Overall discontinuation: NR

Discontinuation due to adverse events: 5.0% overall

Serious adverse events: NR

Specific adverse events: NR
TNF Biologic vs. csDMARD MonotherapyDurez et al., 200718 a bRCT
N=44
1 yr
IFX (3 mg/kg at weeks 0, 2, 6 until 46 weeks) + MTX (7.5-20 mg/wk) vs. MTXOverall discontinuation: 6.7% vs. 14.3%

Discontinuation due to adverse events: 6.7% vs. 0.0%

Specific adverse events:
Benign infection: 80.0%% vs. 93.3%
Mild hepatotoxicity: 14.3% vs. 33.5%
TNF Biologic vs. csDMARD Combination TherapyIMPROVED, 20139, 120, 158

High
RCT
N=161
2 yrs
ADA (40 mg biweekly) + MTX (25 mg/wk) vs. MTX + PRED (7.5 mg/day) + HCQ (400 mg/day) + SSZ (2 g/day)Overall discontinuation: NR

Discontinuation due to adverse events: NR

Specific adverse events:
Increase liver enzymes: 8.4% vs. 4.0%
TNF Biologic vs. csDMARD Combination TherapySWEFOT, 201310, 121126

Medium
RCT, open label
N=258
1 yr
IFX (3 mg/kg at 0,2,6 weeks then biweekly) + MTX (20 mg/wk) vs. MTX + SSZ (2 g/day) + HCQ (400 mg/day)Overall discontinuation: 31.5% vs. 18.0%, p = 0.014

Discontinuation due to adverse events: 10.8% vs. 7.8%

Specific adverse events:
GI symptoms (not specified): 11.5% vs. 0.7%
Skin and allergic reactions: 2.3% vs. 8.5%
TNF Biologic vs. csDMARD Combination TherapyNEO-RACo, 201340, 127, 128

Low
RCT
N=99
2 yrs
IFX (3 mg/kg) + FIN-RACo [MTX (25 mg/week) + SSZ 2 g/day) + HCQ (35 mg/kg/week) + PRED (7.5 mg/day)] for 26 weeks
vs. FIN-RACo
Overall discontinuation: 8% vs. 8.2%

Discontinuation due to adverse events: 2.0% vs. 0.0%

Serious adverse events: 6.0% vs. 8.0%

Specific adverse events:
GI: 56.0% vs. 61.0%
Respiratory: 56% vs. 67.0%
Elevated liver enzymes: 12.0% vs. 16.0%

No significant differences between arms overall
Non-TNF Biologic vs. csDMARD MonotherapyAGREE, 200931, 129131 a

Low
RCT
N=509
2 yrs
ABA (10 mg/kg) + MTX (7.5 mg/week)
vs. MTX
Overall discontinuation: 9.4% vs. 10.3%

Discontinuation due to adverse events: 3.1% vs. 4.3%

Serious adverse events: 7.8% vs. 7.9%

Specific adverse events:
Upper respiratory infection: 10.2% vs. 10.3%
Low
Non-TNF Biologic vs. csDMARD MonotherapyAVERT, 20157 a d

Medium
RCT
N=351
2 yrs
ABA (125 mg/week) + MTX (7.5-20 mg/week)
vs. ABA
vs. MTX
Overall discontinuation: 13.4%, 21.6%, 17.2%

Discontinuation due to adverse events: 1.7%, 4.3%, 2.6%

Serious adverse events: 6.7%, 12.1%, 7.8%

Specific adverse events:
Serious infection: 0.8% vs. 3.4% vs. 0%
Non-TNF Biologic vs. csDMARD MonotherapyFUNCTION 201632 a d

Medium
RCT
N=1,162
1 yr
TCZ (4 mg/kg monthly) + MTX (20 mg/week) vs.
TCZ (8 mg/kg monthly) + MTX vs.
TCZ vs. MTX
Overall discontinuation: 20.3%, 22%, 19.2%, 21.8%

Discontinuation due to adverse events: 12.1%, 20.3%, 11.6%, 7.4%

Serious adverse events: 10%, 10.7%, 8.6%, 8.5%

Specific adverse events: NR
Non-TNF Biologic vs. csDMARD MonotherapyIMAGE, 201230, 132, 133

Low
RCT
N=755
2 yrs
RIT (1 g days 1 and 15) + MTX (7.5-30 mg/week)
vs. RIT (500 mg days 1 and 15) + MTX
vs. MTX
Overall discontinuation: 15%, 15%, 29%

Discontinuation due to adverse events: 2.8%, 3.2%, 6.8%

Serious adverse events: 13.2%, 14.9%, 16.9%

Specific adverse events:
Infusion-related reaction: 18.4% vs. 14.1% vs. 12.4%
Non-TNF Biologic vs. csDMARD MonotherapyU-Act-Early 201633 a d

Medium
RCT
N=317
2 yrs
TCZ (8 mg/kg monthly) + MTX (10-30 mg/week) vs. TCZ vs.
MTX
Overall discontinuation: 26.4%, 21.4%, 27.8%

Discontinuation due to adverse events: 8.5%, 9.7%, 7.4%, p=0.82

Serious adverse events: 16%, 18.4%, 12%, p=0.44

Specific adverse events: NR
TNF vs. Non-TNFORBIT, 20168

High
RCT
N=329
1 yr
RIT (1 g on days 1 and 15 and after 26 if persistent disease activity)
vs. ADA (40 mg biweekly) or ETN (50 mg/week)
Overall discontinuation: 18.8% vs. 17.7%

Discontinuation due to adverse events: 1.4% vs. 1.3%

Serious adverse events:25.7% vs. 17.2%

Specific adverse events:
Infections: 53.5% vs. 70.9%
Injection site reactions less with RIT p=0.003
Combination and Therapy StrategiesBeSt, 20057991

Low

Medium for 10-yr outcomes
RCT
N=508
12 months plus 10-yr followup
DAS-driven treatment;

1: sequential monotherapy starting with MTX (15 mg/week)
vs. 2: stepped-up combination therapy: MTX, then SSZ, then HCQ, then PRED
vs. 3: combination with tapered high-dose PRED (60 mg/d to 7.5 mg/day) vs. 4: combination MTX (25-30 mg/week) with IFX (3 mg/kg every 8 weeks, per DAS, could be titrated to 10 mg/kg)
5 yrs
Overall discontinuation: 12.0%, 22.0%, 15.0%, 9.0%;
2 vs. 4, p=0.05

Discontinuation due to adverse events: NR

Serious adverse events: 33.0%, 28.0%, 28.0%, 31.0%, p=0.76

Specific adverse events: NR

10 yrs
No significant differences in serious adverse events (SAE per 100 pt yrs) 13.2, 10.9, 12.1, 13.4, p=0.47
Combination and Therapy StrategiesTEAR, 201220, 159

High
RCT
N=755
2 yrs
1: immediate MTX plus ETN
vs. 2: immediate MTX plus SSZ plus HCQ
vs. 3: step-up MTX to MTX + ETN
vs. 4: step-up MTX to MTX + SSZ + HCQ
Overall discontinuation: 42.4%, 34.8%, 39.5%. 34.9%

Discontinuation due to adverse events: 1&2: 1.9%, 3&4: 1.3%

Serious adverse events: 13.6%, 14.3%, 12.9%, 12.5%, p=0.94

Specific adverse events: NR
Combination and Therapy StrategiesGUEPARD 200992

Medium for 12-week outcomes

High for 52-week outcomes
RCT
N=65
1 yr
1: ADA 40 mg every 2 weeks plus MTX; treatment adjusted every 3 months to achieve DAS28 <3.2
2: MTX (max 20 mg/wk)
Overall discontinuation: 15.2% vs. 9.4%

Discontinuation due to adverse events: NR

Serious adverse events: 15.2% vs. 15.6%

Specific adverse events: NR
Combination and Therapy StrategiesOPERA 2017160163

Medium
RCT
N=180
2 yrs
ADA (40 mg biweekly) + MTX (7.5-20 mg/week)
vs. MTX
Overall discontinuation: 10.1% vs. 16.5%

Discontinuation due to adverse events: 2.2% vs. 1.1%

Serious adverse events: 4% vs. 11%

Specific adverse events:
Bronchitis: 1.1% vs. 1.1%
Leukopenia: 0% vs. 1.1%
Combination and Therapy StrategiesBili et al., 201411

High
Observational
N=2,101
10 yrs
1: TNFa inhibitors alone or in combination with MTX
2: MTX alone or in combination with other nonbiologic DMARDs
3: Non-MTX, nonbiologic DMARDs
Overall discontinuation: NR

Discontinuation due to adverse events: NR

Serious adverse events: NR

Specific adverse events:
Incident coronary artery disease (adjusted hazard ratio): 0.45 (CI, 0.21 to 0.96) vs. 0.54. (CI, 0.27 to 1.09) vs. reference group
Combination and Therapy StrategiesERAN Inception Cohort, 2013137

High
Observational
N=766
2 yrs
1: Initial SSZ
2: Initial MTX
3: MTX + SSZ+ HCQ
Overall discontinuation: NR

Discontinuation due to adverse events: NR

Serious adverse events: NR

Changed DMARD due to adverse drug reaction: 59% vs. 23% vs. 2%
a

Included in network meta-analysis (NWMA)

b

This study evaluates comparisons in both the High-Dose Corticosteroid and TNF Biologic vs. csDMARD monotherapy categories.

c

This study evaluates comparisons in both the csDMARD vs. TNF Biologic and TNF Biologic vs. csDMARD monotherapy categories.

d

These studies evaluate comparisons in both the csDMARD vs. Non-TNF Biologic and Non-TNF Biologic vs. csDMARD monotherapy categories.

AAT = alanine aminotransferase; ABA = abatacept; ACR = American College of Rheumatology; ADA = adalimumab; ALT = alanine transaminase; AP = alkaline phosphatase; AST = aspartate aminotransferase; csDMARD = conventional synthetic disease-modifying antirheumatic drug CZP = certolizumab pegol; DAS = Disease Activity Score (based on 44 joints); DMARD = disease modifying antirheumatic drug; ETN = etanercept; g = grams; GC = glucocorticoid; GI = gastrointestinal; HCQ = hydroxychloroquine; IFX = infliximab; kg = kilograms; LEF = leflunomide; methyl-PNL = methylprednisolone; mg = milligram; mg/d = milligrams per day; MTX = methotrexate; N = number; NR = not reported; PNL = prednisolone; PRED = prednisone; pt-years = patient-years; RCT = randomized controlled trial; RIT = rituximab; SHS = Sharp/van der Heijde Score; SSZ = sulfasalazine; TB = tuberculosis; TCZ = tocilizumab; TNF = tumor necrosis factor; TOF = tofacitinib; ULN = upper limit of normal; vs. = versus; wk = week.

From: Results

Cover of Drug Therapy for Early Rheumatoid Arthritis: A Systematic Review Update
Drug Therapy for Early Rheumatoid Arthritis: A Systematic Review Update [Internet].
Comparative Effectiveness Review, No. 211.
Donahue KE, Gartlehner G, Schulman ER, et al.

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