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A Study of the Impact of Methotrexate (MTX) Discontinuation on the Efficacy of Subcutaneous (SC) Tocilizumab (TCZ) With MTX

NCT01855789

CompletedPhase 3

Sponsor: Hoffmann-La Roche

Conditions: Rheumatoid Arthritis

Interventions: Tocilizumab (TCZ), Methotrexate (MTX), Placebo (PBO)

Countries: United States

This randomized, multicenter, double-blind, parallel group study will evaluate the impact of MTX discontinuation on the efficacy of SC TCZ in participants with moderate to severe active rheumatoid arthritis who have an inadequate response to current MTX therapy. Participants will initiate treatment with TCZ weekly or every 2 weeks along with MTX at a stable dose orally in an open-label manner for 24 weeks. Participants with a disease activity score based on 28 joints (DAS28) less than or equal to (\</=) 3.2 at Week 24, will be randomized to either continue receiving a stable dose of MTX or to switch to matching placebo up to Week 52. Participants without a DAS28 score \</=3.2 at Week 24, will continue the same treatment in a non-randomized open-label manner up to Week 52.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* Body weight \</=150 kg
* Active moderate to severe rheumatoid arthritis (DAS28 \>/=4.4) according to the revised 1987 ACR criteria at screening and baseline (prior to treatment on Day 1)
* Currently receiving oral MTX for at least 24 weeks and on a stable oral dose of at least 15 mg/week for at least 6 weeks prior to treatment (Day 1), with the following exception: a stable dose of at least 10 mg/week is allowed for participants with a body weight \<50 kg or calculated glomerular filtration rate (or creatinine clearance) \<60 milliliters per minute (mL/min)
* History of parenteral (SC or intramuscular \[IM\]) MTX is allowed, but not within 6 weeks prior to treatment (Day 1). Participants must not have a documented, clinically significant intolerance to oral MTX and must be receiving oral MTX at a dose of 15 mg/week for at least 6 weeks prior to treatment (Day 1)
* Participants who have received one prior anti-tumor necrosis factor (TNF) must have discontinued etanercept, infliximab, certolizumab, adalimumab, or golimumab for at least 6 months prior to screening
* Oral corticosteroids must have been \</=10 mg/day prednisone (or equivalent) and stable for at least 25 out of 28 days prior to treatment (Day 1)
* Participants receiving treatment on an outpatient basis

Exclusion Criteria:

* Documented medical history of significant intolerance to oral MTX \>/=15 mg/week
* Participants receiving other (non-MTX) disease modifying anti-rheumatic drugs (DMARDs) within 8 weeks of screening
* Previous treatment with abatacept, rituximab, tofacitinib, or anakinra
* Treatment with parenteral corticosteroids within 4 weeks prior to treatment
* Previous treatment with cell-depleting therapies or alkylating agents
* Previous treatment with TCZ
* Major surgery (including joint surgery) within 8 weeks prior to screening or planned major surgery during the study
* Rheumatic autoimmune disease other than rheumatoid arthritis
* Non-rheumatic active autoimmune diseases (for example, inflammatory bowel diseases, psoriasis, multiple sclerosis)
* Prior history of or current inflammatory joint disease other than rheumatoid arthritis
* Functional Class IV according to the revised (1987) ACR criteria for rheumatoid arthritis
* History of severe allergic or anaphylactic reactions to human, humanized, or murine monoclonal antibodies
* Evidence of significant uncontrolled concomitant diseases; uncontrolled disease states where flares are commonly treated with oral or parenteral corticosteroids
* Active current or history of recurrent infection, or any major episode of infection requiring hospitalization or treatment with intravenous antibiotics within 4 weeks prior to screening or oral antibiotics within 2 weeks prior to screening
* Active tuberculosis requiring treatment within the previous 3 years
* History of or currently active primary or secondary immunodeficiency
* Pregnant or breast-feeding women
* Positive for hepatitis B or hepatitis C infection
* For potential MRI substudy participants: the presence of any metal-containing device or object in the body

Locations (155)

Anniston, Alabama, United States
Birmingham, Alabama, United States
Huntsville, Alabama, United States
Tuscaloosa, Alabama, United States
Glendale, Arizona, United States
Mesa, Arizona, United States
Mesa, Arizona, United States
Phoenix, Arizona, United States
Scottsdale, Arizona, United States
Fort Smith, Arkansas, United States
Hot Springs, Arkansas, United States
Jonesboro, Arkansas, United States
Little Rock, Arkansas, United States
Covina, California, United States
El Cajon, California, United States
Fullerton, California, United States
Hemet, California, United States
Los Alamitos, California, United States
Orange, California, United States
San Diego, California, United States
San Leandro, California, United States
Upland, California, United States
Whittier, California, United States
Aurora, Colorado, United States
Colorado Springs, Colorado, United States
Denver, Colorado, United States
Bridgeport, Connecticut, United States
Danbury, Connecticut, United States
Hamden, Connecticut, United States
Trumbull, Connecticut, United States
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