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Review Question - QID 3171

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QID 3171 (Type "3171" in App Search)
In the treatment of patients with rheumatoid arthritis, TNF-alpha is blocked by which of the following agents?

Tocilizumab

2%

56/2928

Anakinra

3%

77/2928

Etanercept

86%

2513/2928

Abatacept

1%

42/2928

Rituximab

8%

225/2928

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Etanercept is a biochemically designed soluble p75 tumor necrosis factor receptor immunoglobulin G fusion protein, which blocks the downstream effects of TNF.

Methotrexate is a chemotherapy agent used to inhibit lymphocytes. Gold inhibits monocytes, while sulfasalazine is an anti-inflammatory decreasing the production of prostaglandins and leukotrienes. Rituximab inhibits B-cells as it is a monoclonal antibody to CD20 antigen. Anakinra (Kineret) is a recombinant IL-1 receptor antagonist. Abatacept (Orencia) is a selective costimulation modulator that binds to CD-80 and CD-86 (inhibits T cells). Tocilizumab (Actemra)is an IL-6 receptor inhibitor (2nd line treatment for poor response to TNF-antagonist therapy).

Pisetsky wrote an editorial in NEJM discussing the development of TNF blockers through research, and the potential for the use of Etanercept in patients with juvenile RA through its inhibition of lymphotoxin-alpha.

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