Biologic DMARDs
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Questions and Answers

What is a common adverse effect of abatacept administration?

  • Joint pain
  • Hypertension
  • Upper respiratory infections (correct)
  • Muscle weakness

Which cytokine do tocilizumab and sarilumab inhibit by binding to IL-6 receptors?

  • IL-6 (correct)
  • TNF-α
  • IL-1
  • IL-8

How often is rituximab typically administered?

  • Every 2 weeks
  • Every 4 weeks
  • Every 24 weeks (correct)
  • Every 12 weeks

What is the mechanism of action of rituximab in rheumatoid arthritis?

<p>Killing B lymphocytes via CD20 antigen binding (D)</p> Signup and view all the answers

Prior to rituximab infusion, what medications are administered to reduce infusion reactions?

<p>Methylprednisolone, acetaminophen, and an antihistamine (C)</p> Signup and view all the answers

Which antigen does abatacept target?

<p>CTLA-4 (C)</p> Signup and view all the answers

How often is Golimumab administered?

<p>Once a month (D)</p> Signup and view all the answers

Why is Infliximab not indicated for monotherapy?

<p>Development of anti-infliximab antibodies and reduced efficacy (C)</p> Signup and view all the answers

What mechanism does Etanercept use to inhibit its target?

<p>Neutralizes TNF-α by binding to it (C)</p> Signup and view all the answers

How does Abatacept reduce the inflammatory response?

<p>By competing with CD28 for binding on CD80/CD86 protein (D)</p> Signup and view all the answers

Which biologic DMARD is administered as an IV infusion every 8 weeks?

<p>Infliximab (A)</p> Signup and view all the answers

What side effect may Golimumab cause in the liver?

<p>Increased hepatic enzymes (C)</p> Signup and view all the answers

What is the role of IL-1 and TNF-α in the pathogenesis of RA?

<p>Degrading cartilage (C)</p> Signup and view all the answers

Which of the following is NOT an effect of TNF-α inhibitors in RA treatment?

<p>Increase risk of lymphoma (D)</p> Signup and view all the answers

Which biologic DMARD may cause and/or worsen preexisting heart failure?

<p>Etanercept (D)</p> Signup and view all the answers

When can a clinical response to TNF-α inhibitors be typically observed?

<p>Within 2 weeks of therapy (C)</p> Signup and view all the answers

Which proinflammatory cytokines are involved in the pathogenesis of RA?

<p>IL-1 and TNF-α (B)</p> Signup and view all the answers

What risk is associated with the use of TNF-α inhibitors according to the text?

<p>Increased risk of cancer, including lymphoma (C)</p> Signup and view all the answers

What laboratory parameter needs to be greater than 9 g/dL before starting Tofacitinib therapy?

<p>Hemoglobin concentration (D)</p> Signup and view all the answers

Which of the following is an adverse reaction associated with Biologic DMARDs?

<p>Neutropenia (A)</p> Signup and view all the answers

What type of inhibitor is Tofacitinib in relation to Janus kinases?

<p>Oral inhibitor (B)</p> Signup and view all the answers

Which medication is usually reserved for patients who have inadequate response or intolerance to other agents?

<p>Tofacitinib (C)</p> Signup and view all the answers

What must be monitored during Tofacitinib therapy due to the risk for anemia?

<p>Hemoglobin concentrations (D)</p> Signup and view all the answers

Which enzyme modulates immune cell activity in response to the binding of inflammatory mediators to the cellular membrane?

<p>Janus kinase (B)</p> Signup and view all the answers

How does colchicine disrupt cellular functions?

<p>By binding to tubulin (D)</p> Signup and view all the answers

What is the main therapeutic use of colchicine?

<p>Alleviating acute gout pain (B)</p> Signup and view all the answers

How should colchicine be administered for it to be effective in an acute gout attack?

<p>Within 36 hours of onset of attack (A)</p> Signup and view all the answers

Which enzyme is responsible for metabolizing colchicine?

<p>CYP450 3A4 (D)</p> Signup and view all the answers

What adverse effect is commonly associated with chronic colchicine administration?

<p>Myopathy (B)</p> Signup and view all the answers

What is a common side effect of colchicine administration?

<p>Nausea, vomiting, abdominal pain, and diarrhea (B)</p> Signup and view all the answers

What is a key difference between Febuxostat and Allopurinol in terms of renal elimination?

<p>Febuxostat requires less adjustment in those with reduced renal function (C)</p> Signup and view all the answers

What adverse effect should be monitored in patients receiving Probenecid?

<p>Anemia (A)</p> Signup and view all the answers

In which patients should Probenecid be avoided?

<p>Patients with creatinine clearance less than 50 mL/min (C)</p> Signup and view all the answers

Why should Febuxostat be used with caution in patients with a history of heart disease or stroke?

<p>It increases the risk of these events compared to Allopurinol (D)</p> Signup and view all the answers

Which medication is structurally unrelated to Allopurinol?

<p>Febuxostat (A)</p> Signup and view all the answers

What type of drug is Probenecid?

<p>Uricosuric (D)</p> Signup and view all the answers

What is a common adverse reaction associated with Biologic DMARDs?

<p>Dermatologic reactions (B)</p> Signup and view all the answers

What is a notable risk associated with Febuxostat in comparison to Allopurinol?

<p>Higher risk for rash and hypersensitivity reactions (D)</p> Signup and view all the answers

What potential adverse effect should raise concern when using Probenecid?

<p>Anemia (B)</p> Signup and view all the answers

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