Study: NCT00195494

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Etanercept
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Etanercept
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Etanercept
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Methotrexate
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2~Group 2b: Oral Methotrexate weekly for both Periods 1 and 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Methotrexate
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2~Group 2b: Oral Methotrexate weekly for both Periods 1 and 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Methotrexate
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2~Group 2b: Oral Methotrexate weekly for both Periods 1 and 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Methotrexate
Description: Group 1a: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 \& 2~Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2~Group 2b: Oral Methotrexate weekly for both Periods 1 and 2

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Placebo
Description: Group 1b: Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 1 then Etanercept 50 mg SC injections weekly + Placebo weekly for Period 2~Group 2a: Oral Methotrexate weekly + Placebo for Period 1, then Etanercept 50 mg SC injections weekly + oral Methotrexate weekly for Period 2