Immune Pharm and HIV pharm

  1. Contraindications for Live attenuated vaccination?
    • Immunocompromised patients should not receive live vaccinations. 
    • Pregnancy
    • hypersensitivity to any component of vaccine
    • Precautions: persons with moderate or severe acute illness with or without fever.
  2. Innate immunity
    natural bodies defense-Skin, mucous membranes, cilia in airways, lyosozymes
  3. Humoral immunity
    • hematopoietic stem cell in bone marrow creates all cells. 
    • Non specific defenses: innate immunity: generalized protective mechanisms-example inflammation to contain infection.
    • specific defenses: Humoral immunity: B cells secrete specific antibodies to specific antigens
    • Memory B-cells will remember antigens.
  4. Immunomodulators: Immunostimulants? BRM-biologic response modifiers and others.
    • BRM
    • Vaccines
    • interferon alpha 2B /Intron A
    • aldesleukin IL2
  5. Immunomodulators: Immunosuppressants: MAB-monoclonal antibodies and others
    • steroidal anti-inflammatory: prednisone
    • Calcineurin inhibitor: cyclosporine/sandimmune
    • cytotoxic agents: azathioprine/imuran
    • MAB antibodies: infliximab
  6. Vaccine types?
    • Attenuated live vaccines: Microbes weakened unable to cause disease (MMR)
    • Inactivated killed vaccines: microbes inactivated by heat or chemicals, boosters often necessary. (Influenza)
    • Toxiods: Contain inactivated bacterial toxins-incapable of causing disease. (Diphtheria & tetanus) 
    • subunit (recombinant): contain partial organism or microbial proteins. (Hep B)
  7. Hepatitis B Vaccine (engerix-B, recombivax-B)
    • primary use: prevention of Hep B
    • Preg: C
    • MOA:Conveys active immunity-stimulates endogenous antibodies-long lasting.
    • Contraindications: hypersensitivity
    • Caution: avoid vaccinating during active infections
    • Adverse effects: pain and inflammation at injection site, transient fever, fatigue. 

    • antibody response lower in persons >60 years
    • reduced response with concurrent use of immunosuppressants.
  8. IFN alpha-2B (Intron A)
    BRM
    Alpha interferons have the greatest clinical utility. Also have many severe SE.
    • Therapeutic class: antiviral, antineoplastic, Immunostimulant
    • Preg: C
    • MOA: Produced by infected lymphocytes & macrophages»Attach to nearby cells stimulating production of protective antiviral proteins»“Warn” surrounding cells  that infection has occurred-suppresses cancer growth, increased phagocytosis, enhanced immune response. 
    • Indications: Hairy cell leukemia, malignant melanoma, non-hodgkin, HPV, aids related to kaposi sarcoma, chronic hep b/c
    • Contraindications: hypersensitivity, autoimmune hep, not for use with infants and neonates causes brain damage. 
    • Caution: fever/active infection, compromised cardiopulmonary system, elevated LFP (Liver function panel) may need D/C, herpes zoster recent exposure to chickenpox.
    • Adverse: Flulike symptoms >50%, neurotoxic-severe depression, aggression, SI, Cardiotoxic, GI-Anorexia/N/V, neutropenia, thrombocytopenia.
    • Monitor: Blood work each month hydration status=2500+, CBC, LFT, renal function, assess flu symptoms, daily body weight, oral cavity.
  9. Interferon Beta can treat?
    MS
  10. Atopy?
    • an Exaggerated IgE-mediated immune response: Type 1 hypersensitivity 
    • Four types.
  11. cyclosporine (Sandimmune)
    calcineurin inhibitor
    • Therapeutic class: calcineurin inhibitor, immunesuppressant 
    • Preg: C
    • Alert: Do not eat grapefruit-juice with medication, Do not breast feed with medication, practice good oral hygiene.
    • MOA: reduces activity of the immune system, interferes with the activity and growth of T-cells.
    • Indications: prevention of transplant rejection, psoriasis, chronic immune urticaria, other autoimmune.
    • Contraindications: hypersensitivity, active infection
    • Adverse: acute headache, unusual hair growth, mouth sores, n/v, abd pain, muscle pain, weight gain.
    • Interactions: Many with drugs and herbs.
  12. Type 1: Immune-hypersensitivityn
    • IgE mediated hypersensitivity
    • inflammatory response can range from uncomfortable or life threatening.
  13. Type II: immune hypersensitvity
    • Antibody dependent cytotoxic hypersensitivity
    • hyperacute graft rejection of organ transplant
    • hashimoto thyroiditis is an example
  14. Type III: immune hypersensitvity
    • Immune complex disease: leads to antibodies attaching to tissue causing inflammation and scarring.
    • Acute transplant rejection
  15. Type IV: immune hypersensitivity
    • Delayed hypersensitvity
    • T-cell mediated
    • contact dermatitis
    • chronic transplant rejection
  16. corticosteroids
    Anti-inflammatory
    Exogenous glucocorticoids are much higher than what our body produces. affects almost every aspect of immune response.
  17. Prednisone (Deltasone)
    Masks infections and lowers resistant to infections. 
    • Therapeutic class: Corticosteroid
    • Preg: C
    • Alert: Must tapper off when used for longer than 10 days. 
    • MOA: Metabolized to an active form of glucocorticoid, suppresses renal function, suppresses inflammatory response
    • Indications: inflammation, neoplasia, asthma, arthritis, used for short and long term inflammation. 
    • Contraindications: active infections,
    • Adverse: Longterm-Mood changes, cushings, hyperglycemia, osteoporosis 
    • Interactions: decreases efficacy of anti-seizure meds, increased GI toxicity with nsaid/ASA. many interactions.
  18. Tissue and organ transplant typing?
    • Human leukocyte antigen: HLA
    • ABO type antigens
    • Autograft: transplant of tissue to the same person
    • Isograft: transplant from a donor to a genetically identical recipient
    • allograft: transplant between two genetically non-identical members of same species.
    • xenograft: transplant from different species.
  19. imuran (Azathioprine)
    purine synthesis inhibitor
    • Therapeutic class: immunosuppressant
    • Preg: D
    • MOA: inhibits T-cell and B-cell proliferation
    • Indications: prophylaxis of kidney transplant rejection, severe rheumatoid arthritis, other inflammatory disorders (off-label),
    • Contraindications: hypersensitivity, pregnancy, caution with pre-existing hematological disease, hepatic impairment, recent exposure to chicken pox. 
    • Adverse: Liver toxicity, n/v, neutropenia, fatigue, joint pain, diarrhea
    • Interactions: Allopurinal-increases SE, ACE inhibitor- severe leukopenia, Warfarin- reduced blood level of drug.
  20. Cytokines
    • regulators of host response to inflammation, infection, trauma, immune response.
    • Proinflammatory cytokines make disease worse-interleukin 1 (IL 1), tumor necrosis factor (TNF)
  21. infliximab (Remicade)
    Immunosuppressant
    • Therapeutic class: MAB, TNF-inhibitor,
    • Preg: B
    • MOA: TNF blocker, Chimeric monoclonal antibody-binds to TNF receptors on synovial cells. delaying disease process
    • Indications: moderate to severe Rheumatoid arthritis and chrons. 
    • Contraindications: active infection, hypersensitivity, TB, HF
    • Cation: Active infections, MS, renal or hepatic impairment, immunosuppression, elderly.
  22. zidovudine (Retrovir, AZT)
    Nucleoside reverse transcriptase inhibitor (NRTI)
    • Therapeutic class: antiretroviral
    • Preg: C
    • MOA: As the reverse transcriptase enzyme begins to synthesize viral DNA, it mistakenly uses zidovudine as one of the nucleosides, creating a defective DNA strand. 
    • Indications: used for HIV, postexposure prophylaxis in health care workers, also for mother prior to birth to decrease the chances of the baby receiving the disease.
    • Contraindications: hypersensitivity, suppresses bone marrow function, hematologic toxicity,
    • Adverse: fatigue, malaise, anorexia, n/v, diarrhea, headache is prevalent. Rare cases of lactic acidosis. 
    • Interactions: many, inerferon alfa, dapsone, flucystosine, vincristine should be avoided due to cumulative immunosuppression.
    • Labs: MCV may increase during therapy. may also cause neutropenia.
  23. efavirenz (Sustiva)
    nonnucleoside reverse transcriptase inhibitor
    • Therapeutic class: antiretroviral
    • Preg: C
    • MOA: inhibits reverse transcriptase, can penetrate the CSF, preferred drug for initial therapy of HIV infection.
    • indications: HIV
    • Contraindications: known teratogen to animals-must not be given to pregnant patients.
    • Adverse: 50% of patients experience CNS adverse effects (sleep disorders, nightmares, dizziness, reduced concentration, delusions-these deminish after 3-4 weeks of treatment. can also causes rashes, bone marrow suppression. decreases seizure threshold
    • interactions: LFT, may effect wafarin levels
  24. lopinavir with ritonavir (Kalestra)
    protease inhibitor
    • Therapeutic class: Antiretroviral
    • Preg: C
    • MOA: Block viral enzyme protease which is responsible for the final assembly of HIV virions. 
    • Indications: HIV
    • Contraindications: patients
    • Adverse: diarrhea, headache, GI related effects, n/v, vomiting, dyspepsia(indigestion), DM.
    • Interactions: lopinavir is extensively metabolized by hepatic enzymes. Statins should not be administered with this drug due to myopathies. Many interactions increased Adverse effects with SSRI, and other antidepressants.
Author
rmwartenberg
ID
319452
Card Set
Immune Pharm and HIV pharm
Description
pharm
Updated