Biopharmaceuticals in Cancer Treatment

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Questions and Answers

What is one of the causes of failure in beating cancer with current drugs?

  • Easy intracellular delivery of high MW and hydrophilic molecules
  • Rapid elimination of the active compound from the target site (correct)
  • Accumulation of the drug at the target site being the rule rather than the exception
  • Detoxification of the drug at the target site

What is the main problem associated with many therapeutic proteins in terms of intracellular delivery?

  • They accumulate at the target site
  • They do not enter cells easily (correct)
  • They have low molecular weight (MW)
  • They are highly hydrophobic

What is the purpose of increasing the therapeutic index of drugs through drug targeting?

  • To rapidly eliminate the active compound from the target site
  • To specifically deliver the active compound to its site of action and keep it there until inactivated and detoxified (correct)
  • To prevent accumulation of the drug at the target site
  • To distribute the drug over non-target organs to exert side effects

Which type of biopharmaceuticals have been developed and applied to treat various cancers?

<p>Monoclonal antibodies (MAbs), non-antibody proteins, and small molecules (C)</p> Signup and view all the answers

Which of the following is NOT a core pathway targeted by biopharmaceuticals for cancer treatment?

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

Which antigen is targeted by Rituximab in the treatment of non-Hodgkin lymphoma and chronic lymphocytic leukemia?

<p>CD20 (A)</p> Signup and view all the answers

What is the primary function of monoclonal antibodies (MAbs) in killing cancer cells directly?

<p>Inhibiting signaling, reducing proliferation, inducing apoptosis (C)</p> Signup and view all the answers

What is a potential challenge in targeting tumors with monoclonal antibodies (MAbs)?

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

What is the main reason biopharmaceuticals are becoming a potential treatment for cancer?

<p>Specificity in targeting cancer cells with various options (A)</p> Signup and view all the answers

Which growth factor supports the formation of microvasculature and is an example of a target for biopharmaceuticals?

<p>Vascular endothelial growth factor (VEGF) (B)</p> Signup and view all the answers

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26-biotech-biopharm-cancer.pptx

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