Cancer and Radiation Pharm
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Questions and Answers

What is the stage of cancer where it has spread to other parts of the body?

  • Stage 1
  • Stage 2
  • Stage 3
  • Stage 4 (correct)
  • What is the type of agent that targets specific phases of cell division?

  • Acetylating agents (correct)
  • Antimetabolites (correct)
  • Quinolones
  • Alkylating agents
  • What is the effect of chemotherapy on cells?

  • It stimulates cell growth
  • It repairs damaged DNA
  • It slows down cell division
  • It kills cells at a constant single rate (correct)
  • What type of agent inhibits the synthesis of folic acid?

    <p>Antimetabolites</p> Signup and view all the answers

    What is the site where cancer cells can break away and spread to other parts of the body?

    <p>Lymph fluid</p> Signup and view all the answers

    What is the first line of defense against cancer?

    <p>Cytotoxic agents</p> Signup and view all the answers

    What phase of the cell cycle is associated with synthesis of cellular components needed for DNA synthesis

    <p>G1</p> Signup and view all the answers

    What phase of the cell cycle is associated with replication of the genome (DNA synthesis)

    <p>S</p> Signup and view all the answers

    What phase of the cell cycle is associated with synthesis of cellular components for mitosis

    <p>G2</p> Signup and view all the answers

    Which cytotoxic drug is a antimetabolite that is a folate analogue

    <p>methotrexate</p> Signup and view all the answers

    Which cytotoxic drugs target the S phase of the cell cycle

    <p>Antimetabolites &amp; Topoisomerase-1 inhibitors</p> Signup and view all the answers

    Which cytotoxic drugs target the G2 phase of the cell cycle

    <p>Epipodophyllotoxin derivatives &amp; Taxanes</p> Signup and view all the answers

    Which cytotoxic drugs target the M phase of the cell cycle

    <p>Taxanes &amp; Vinca Alkaloids</p> Signup and view all the answers

    Which cytotoxic drugs target the G1 phse of the cell cycle

    <p>Hormonal drugs &amp; Antineoplastic enzymes</p> Signup and view all the answers

    Which drugs are effective for high-growth fraction malignancies such as hematologic cancers

    <p>Cell cycle specific drugs</p> Signup and view all the answers

    Which drugs are effective for both low-growth fraction malignancies, such as solid tumors, as well as high growth fraction malignancies like hematologic cencers

    <p>Cell cycle NON-specific drugs</p> Signup and view all the answers

    Folate inhibitors, pyrimidine inhibitors and purine analogs are examples of which cytotoxic drugs

    <p>Antimetabolites</p> Signup and view all the answers

    Cyclophosphamide, ifosfamide, cisplatin, carboplatin and oxaliplatin are examples of which kind of cytotoxic drugs

    <p>Alkylating agents</p> Signup and view all the answers

    Vinca alkaloids (vincristine, vinblastin, vinorelbine) and Taxanes (paclitaxol, docetaxol) are examples of which type of cytotoxic drugs

    <p>Microtubule targeting agents</p> Signup and view all the answers

    Which cytotoxic drugs prevent the relaxation of supercoiled DNA

    <p>Topotecan and irinotecan</p> Signup and view all the answers

    Which cytotoxic drugs prevent the recoiling of DNA after transcription?

    <p>Epotoside &amp; Teniposide</p> Signup and view all the answers

    Which cancer drugs have various MOA includig intervalate DNA, inhibit topoisomerase-2, generate ROS and perhaps alkylation

    <p>Anthracyclines</p> Signup and view all the answers

    Which drug is a glycopeptide antibiotic with a unique mechanism of antitumor activity and works by breaking single strands of DNA

    <p>Bleomycin</p> Signup and view all the answers

    Which hormonal is an anti-estrogen; blocks the estrogen stimulation of breast cancer

    <p>Tamoxifen</p> Signup and view all the answers

    Which hormonal drugs are aromatase inhibitors; block the synthesis of estrogen

    <p>Anastrozole, letrozole</p> Signup and view all the answers

    Oral mucositis, salivary gland dysfunction, neurotoxicity, trigeminal neuropathies, dental hypersensitivity, taste dysfunction, myofascial pain, TMD, abnormalities in dentition are

    <p>Direct toxicities</p> Signup and view all the answers

    Myelosuppression, neutropenia, anemia, thrombocytopenia, infection, nausea vomiting, acididc damage to oral tissues and gag reflexes are examples of

    <p>indirect toxicities</p> Signup and view all the answers

    Select all that apply to monoclonal antibody cancer drugs

    <p>Target specific; only target 1 antibody</p> Signup and view all the answers

    Which cancer drugs are monoclonal antibodies? select all that apply

    <p>Cetuximab</p> Signup and view all the answers

    Select all that apply to tyrosine kinase inhibitors

    <p>spontaneously dimerize/phosphorylate and activate themselves in cancer</p> Signup and view all the answers

    Study Notes

    Radiation and Cancer

    • Radiation kills cells at a constant single rate, making it a cytotoxic agent and the first line of defense against cancer.
    • Cancer can spread fast and become malignant, and it can metastasize.

    Stages of Cancer

    • There are different stages of cancer, including Stage 3.

    Cytotoxic Drugs

    • Cytotoxic drugs target specific phases of cell division.
    • They can inhibit cell synthesis and division.
    • Examples of cytotoxic drugs include:
      • Alkylating agents
      • Platinum agents (e.g. cisplatin)
      • Folic acid inhibitors (e.g. SFU)
      • Hormone-releasing hormone agonists (e.g. Levfiniang)

    Effects of Cytotoxic Drugs

    • Cytotoxic drugs can bind to DNA, causing single-strand breaks.
    • They can also suppress the immune system.
    • Side effects of chemotherapy include:
      • Hair loss
      • Nausea and vomiting
      • Fatigue
      • Suppressed immune system
      • Neuropathy
      • Adjuvant therapy is used to overcome these side effects.

    Chemotherapy

    • Chemotherapy is a type of cancer treatment that uses cytotoxic drugs.
    • It can be used as an adjuvant therapy to overcome the side effects of cancer treatment.
    • Chemotherapy can be used to treat various types of cancer, including lung cancer.

    Angiogenesis and VEGF

    • Angiogenesis is the process of growth and metastasis
    • VEGF (Vascular Endothelial Growth Factor) is a key factor in angiogenesis

    Target-Specific Therapy

    • Two lines of treatment: Surfix MAB (monoclonal antibody) and SUFFIX NIB (Tyrosine Kinase Inhibitor)
    • Surfix MAB is an antibody that binds strongly to its target
    • SUFFIX NIB inhibits tyrosine kinase activity
    • Both treatments target specific molecules involved in angiogenesis and cancer growth

    Mechanisms of Action

    • Surfix MAB has a long half-life, allowing it to block targets necessary for homeostasis
    • SUFFIX NIB blocks the activation of Mer/Tyk2, a tyrosine kinase that is spontaneously activated in cancer cells

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