Biosimilar Infliximab Subcutaneous Delivery Quiz
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Questions and Answers

Which enzyme is responsible for the conversion of methotrexate to inhibit DNA synthesis?

  • Dihydrofolate reductase (correct)
  • Hypoxanthine–guanine phosphoribosyl transferase (HGPRT)
  • Xanthine oxidase
  • Thiopurine methyltransferase (TPMT)

What is the primary mode of action of Cyclosporine?

  • Inhibition of folic acid reductase
  • Inhibition of purine nucleotide synthesis
  • Inhibition of T-lymphocytes and T-helper cells (correct)
  • Activation of TNFα

What is the purpose of the pH-dependent coating used in Asacol, Asacol HD, Delzicol, and Lialda?

  • To enhance the absorption of the medication
  • To release the medication in response to stomach pH
  • To release the medication in response to intestinal pH (correct)
  • To prevent the medication from releasing in the stomach

Which drug is a chimeric IgG1 monoclonal antibody that binds TNF-α?

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

What is a unique feature of Apriso's formulation that aids in its delayed and extended delivery to the colon?

<p>Polymer matrix combined with enteric coating (B)</p> Signup and view all the answers

What is the mechanism of action of Infliximab?

<p>Induces T-cell apoptosis (A)</p> Signup and view all the answers

Which medication is described as a dimer of two 5-ASA molecules, acting as a prodrug for mesalamine?

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

Which enzyme does methotrexate inhibit in the metabolism of folic acid?

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

In the treatment of IBD, glucocorticoid enemas are primarily beneficial for patients with disease limited to which area?

<p>Rectum and left colon (C)</p> Signup and view all the answers

What is the main function of TNFα-inhibitors like Infliximab?

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

What makes Budesonide (ENTOCORT ER) an effective treatment for ileocecal Crohn's disease?

<p>Minimizes systemic side effects due to specific delivery and metabolism (D)</p> Signup and view all the answers

What is the primary role of corticosteroids in the treatment of IBD?

<p>Suppressing acute inflammation (C)</p> Signup and view all the answers

What is a possible side effect of the biosimilar version of infliximab?

<p>Yellow skin or eyes (C)</p> Signup and view all the answers

Which symptom is not listed as a possible side effect of the new drug delivered subcutaneously?

<p>Increased energy levels (B)</p> Signup and view all the answers

What type of antibody is adalimumab in relation to TNF-α?

<p>Fully humanized antibody (B)</p> Signup and view all the answers

Which side effect involves difficulty in breathing?

<p>Swelling in the face (D)</p> Signup and view all the answers

What is a distinctive feature of Adalimumab compared to infliximab?

<p>Contains murine sequences (A)</p> Signup and view all the answers

Which symptom is not associated with the possible side effects of the biosimilar version of infliximab?

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

What are some possible adverse effects of Natalizumab?

<p>Red or painful skin (B)</p> Signup and view all the answers

How does Etrasimod work in treating Ulcerative Colitis?

<p>Binds to S1P-receptor to prevent lymphocytes from leaving lymphoid organs (A)</p> Signup and view all the answers

What is the mechanism of action of Mirikizumab in treating Ulcerative Colitis?

<p>Binds to the p19 subunit of IL-23 (B)</p> Signup and view all the answers

How is Etrasimod metabolized in the body?

<p>Metabolized by CYP2C8, CYP3A4, CYP2C9 (B)</p> Signup and view all the answers

What percentage of radioactive doses of Etrasimod are identified in feces upon excretion?

<p>82% (C)</p> Signup and view all the answers

What is Certolizumab pegol designed to inhibit?

<p>Both soluble and membrane-bound TNF-α (D)</p> Signup and view all the answers

What receptor does Vedolizumab block in vitro?

<p>a4b7 integrin (A)</p> Signup and view all the answers

Which organ system does Vedolizumab affect by blocking lymphocyte entry?

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

What is a possible adverse effect of Vedolizumab related to vision?

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

Which biologic agent targets the cellular adhesion molecule α4-integrin?

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

What risk is associated with the use of Natalizumab as an immunomodulator?

<p>Development of PML (C)</p> Signup and view all the answers

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