Effects of TNF Inhibitors in RA and IBD
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Questions and Answers

Which route of administration is typically required for anti-TNF biologics?

  • Topical
  • Intravenous (correct)
  • Subcutaneous
  • Oral

Which enzyme in the liver is responsible for metabolizing many biologics including anti-TNF agents?

  • Cytochrome P450 reductase
  • Cytochromes P450 (correct)
  • Cytochrome C oxidase
  • Cytochrome b5 reductase

Which of the following diseases is NOT mentioned as being impacted by TNF-α?

  • Rheumatoid Arthritis (RA)
  • Multiple Sclerosis (correct)
  • Inflammatory Bowel Disease (IBD)
  • Psoriasis

What is the mechanism of action of Infliximab in neutralizing TNF-α?

<p>Binding to membrane-bound TNF trimer (D)</p> Signup and view all the answers

Which anti-TNF biologic has a portion of its structure derived from a mouse?

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

What is the frequency of dosing for anti-TNF biologics compared to small molecule drugs?

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

What adverse effect is associated with TNFα inhibitors?

<p>Reactivation of latent tuberculosis (A)</p> Signup and view all the answers

Which statement about anti-B lymphocyte biologics is true?

<p>Rituximab blocks B cell activation (D)</p> Signup and view all the answers

Which biologic is derived from various types of immune cells and elevated in many inflammatory diseases?

<p>IL-12/23 biologics (C)</p> Signup and view all the answers

What is a common feature of anti-integrin biologics?

<p>They inhibit leukocyte extravasation (A)</p> Signup and view all the answers

What is a distinguishing characteristic of anti-cytokine biologics such as Ustekinumab?

<p>They block the p40 subunit of IL-12/23 (B)</p> Signup and view all the answers

What is a key advantage of monoclonal antibodies?

<p>Most side effects are intrinsic to the action of the drug at its target (D)</p> Signup and view all the answers

Which is a false statement regarding anti-TNF biologics?

<p>These drugs have limited efficacy in treating chronic inflammatory diseases (A)</p> Signup and view all the answers

Which type of proteins are big targets for monoclonal antibodies in immune-mediated diseases and oncology?

<p>Cell surface proteins (A)</p> Signup and view all the answers

What is a significant disadvantage of monoclonal antibodies?

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

How are monoclonal antibodies eliminated from the body?

<p>Receptor-mediated endocytosis and intracellular catabolism by lysosomal degradation (A)</p> Signup and view all the answers

Why can monoclonal antibodies induce anti-drug immune responses?

<p>Because they are recognized as self-proteins by the immune system (A)</p> Signup and view all the answers

What is the significance of immunogenicity in relation to monoclonal antibodies?

<p>Immunogenicity can lead to faster drug clearance and reduced efficacy (B)</p> Signup and view all the answers

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