deck_3459905 Flashcards
Immunosuppressant actions
Agents that block lymphocyte activation and proliferation.Reduce acute transplant rejection by suppressing cellular immunity.Frequently combined to achieve greater efficacy with
Immunosuppressants
- Cyclosporine
- Tacrolimus (FK506)
- Sirolimus (Rapamycin)
- Daclizumab, basiliximab
- Azathioprine
- Glucocorticoids
Cyclosporine mechanism
Calcineurin inhibitor; binds cyclophilin. Blocks T-cell activation by preventing IL-2 transcription.
Cyclosporine use
- Transplant rejection
- prophylaxis
- psoriasis
- rheumatoid arthritis
Cyclosporine toxicity
Nephrotoxicity
- hypertension
- hyperlipidemia
- neurotoxicity
- gingival hyperplasia
- hirsutism.
Calcineurin inhibitors
- Cyclosporine
* Tacrolimus (FK506)Both calcineurin inhibitors are highly nephrotoxic.
Tacrolimus (FK506) Mechanism
Calcineurin inhibitor; binds FK506 binding protein (FKBP).Blocks T-cell activation by preventing IL-2 transcription.
Tacrolimus use
Transplant rejection prophylaxis.
Tacrolimus toxicity
- Nephrotoxicity
- hypertension
- hyperlipidemia
- neurotoxicity
- ↑ risk of diabetes
Sirolimus (Rapamycin) mechanism
mTOR inhibitor; binds FKBP.Blocks T-cell activation and B-cell differentiation by preventing response to IL-2.
Sirolimus (Rapamycin) use
Kidney transplant rejection prophylaxis.
Sirolimus (Rapamycin) toxicity
- Anemia
- thrombocytopenia
- leukopenia
- insulin resistance
- hyperlipidemia
- not nephrotoxic.
Sirolimus random facts
Synergistic withcyclosporine. Also used in drug-eluting stents.
Calcineurin inhibitor; binds cyclophilin. Blocks T-cell activation by preventing IL-2 transcription.
Cyclosporine mechanism
- Transplant rejection
- prophylaxis
- psoriasis
- rheumatoid arthritis
Cyclosporine use
Nephrotoxicity
- hypertension
- hyperlipidemia
- neurotoxicity
- gingival hyperplasia
- hirsutism.
Cyclosporine toxicity
- Cyclosporine
* Tacrolimus (FK506)Both calcineurin inhibitors are highly nephrotoxic.
Calcineurin inhibitors
Calcineurin inhibitor; binds FK506 binding protein (FKBP).Blocks T-cell activation by preventing IL-2 transcription.
Tacrolimus (FK506) Mechanism
Transplant rejection prophylaxis.
Tacrolimus use
- Nephrotoxicity
- hypertension
- hyperlipidemia
- neurotoxicity
- ↑ risk of diabetes
Tacrolimus toxicity
mTOR inhibitor; binds FKBP.Blocks T-cell activation and B-cell differentiation by preventing response to IL-2.
Sirolimus (Rapamycin) mechanism
Kidney transplant rejection prophylaxis.
Sirolimus (Rapamycin) use
- Anemia
- thrombocytopenia
- leukopenia
- insulin resistance
- hyperlipidemia
- not nephrotoxic.
Sirolimus (Rapamycin) toxicity
Synergistic withcyclosporine. Also used in drug-eluting stents.
Sirolimus random facts
Daclizumab, basiliximab mechanism
Monoclonal antibodies; block IL-2R.
Daclizumab, basiliximab uses
Kidney transplant rejection prophylaxis.
Daclizumab, basiliximab toxicities
- Edema
- Hypertension
- Tremor
Azathioprine mechanism
Antimetabolite precursor of 6-mercaptopurine.Inhibits lymphocyte proliferation by blocking nucleotide synthesis.
Axathioprine uses
- Transplant rejection prophylaxis
- rheumatoid arthritis
- Crohn disease
- glomerulonephritis
- other autoimmune conditions
Azathioprine toxicity
Leukopenia anemia thrombocytopenia
Azathioprine facts
6-MP degraded by xanthine oxidase; toxicity ↑by allopurinol.Pronounce “azathio- purine.”
Glucocorticoid mechanism
Inhibit NF-κB. Suppress both B- andT-cell function by
Glucocorticoid uses
Transplant rejection prophylaxis (immuno-suppression), many autoimmune disorders, inflammation.
Glucocorticoid toxicity
- Hyperglycemia
- osteoporosis
- central obesity
- muscle breakdown
- psychosis
- acne
- hypertension
- cataracts
- avascular necrosis
Glucocorticoid facts
Can cause iatrogenic Cushing syndrome.
Monoclonal antibodies; block IL-2R.
Daclizumab, basiliximab mechanism
Kidney transplant rejection prophylaxis.
Daclizumab, basiliximab uses
- Edema
- Hypertension
- Tremor
Daclizumab, basiliximab toxicities
Antimetabolite precursor of 6-mercaptopurine.Inhibits lymphocyte proliferation by blocking nucleotide synthesis.
Azathioprine mechanism
- Transplant rejection prophylaxis
- rheumatoid arthritis
- Crohn disease
- glomerulonephritis
- other autoimmune conditions
Axathioprine uses
Leukopenia anemia thrombocytopenia
Azathioprine toxicity
6-MP degraded by xanthine oxidase; toxicity ↑by allopurinol.Pronounce “azathio- purine.”
Azathioprine facts
Inhibit NF-κB. Suppress both B- andT-cell function by
Glucocorticoid mechanism
Transplant rejection prophylaxis (immuno-suppression), many autoimmune disorders, inflammation.
Glucocorticoid uses
- Hyperglycemia
- osteoporosis
- central obesity
- muscle breakdown
- psychosis
- acne
- hypertension
- cataracts
- avascular necrosis
Glucocorticoid toxicity
Can cause iatrogenic Cushing syndrome.
Glucocorticoid facts
Draw a diagram and show where the immunosuppressants work
What isAldesleukin (IL-2) used for?
Renal cell carcinoma, metastatic melanoma
What recombinant cytokine can you use for renal cell carcinoma, metastatic melanoma?
Aldesleukin (IL-2)
What isEpoetin alfa (erythropoietin) used for?
Anemias (especially in renal failure)
What recombinant cytokine can you use for anemias (especially in renal failure)?
Epoetin alfa (erythropoietin)
What isFilgrastim (G-CSF) used for?
Recovery of bone marrow
What isSargramostim (GM-CSF) used for?
Recovery of bone marrow
What recombinant cytokine can you use for recovery of bone marrow?
- Filgrastim (G-CSF)
* Sargramostim (GM-CSF)
What isIFN-α used for?
- Chronic hepatitis B and C
- Kaposi sarcoma
- malignant melanoma
What recombinant cytokine can you use for chronic hepatitis B and C, Kaposi sarcoma, and malignant melanoma?
IFN-α
What isIFN-β used for?
Multiple sclerosis
What recombinant cytokine can you use for multiple sclerosis?
IFN-β
What isIFN-γ used for?
Chronic granulomatous disease
What recombinant cytokine can you use for chronic granulomatous disease?
IFN-γ
What is romiplostim, eltrombopag used for?
Thrombocytopenia
What isOprelvekin (IL-11) used for?
Thrombocytopenia
What recombinant cytokine can you use for thrombocytopenia?
- Romiplostim, eltrombopag
* Oprelvekin (IL-11)
Cancer therapeutic antibodies
- Alemtuzumab
- Bevacizumab
- Cetuximab
- Rituximab
- Trastuzumab
Alemtuzumab
Cancer therapeutic antibody
Bevacizumab
Cancer therapeutic antibody
Cetuximab
Cancer therapeutic antibody
Rituximab
Cancer therapeutic antibody
Trastuzumab
Cancer therapeutic antibody
Cyclosporine
Immunosuppressant
Tacrolimus (FK506)
Immunosuppressant
Sirolimus (Rapamycin)
Immunosuppressant
Daclizumab, basiliximab
Immunosuppressant
Azathioprine
Immunosuppressant
Glucocorticoids
Immunosuppressant
Alemtuzumabtarget
CD52
Alemtuzumabclinical use
CLL- chronic lymphocytic leukemia
Bevacizumabtarget
VEGF
Bevacizumabclinical use
Colorectal cancer, renal cell carcinoma
Cetuximabtarget
EGFR
Cetuximabclinical use
Stage IV colorectal cancer, head and neck cancer
Rituximabtarget
CD20
Rituximabclinical use
- B-cell non-Hodgkin lymphoma
- CLL
- rheumatoid arthritis
- ITP (Idiopathic thrombocytopenic purpura)
Trastuzumabtarget
HER2/neu
Trastuzumabclinical use
Breast cancer
Autoimmune disease thereapeutic antibodies
- Adalimumab, infliximab
- Eculizumab
- Natalizumab
Natalizumab
Autoimmune therapeutic antibody
Eculizumab
Autoimmune therapeutic antibody
Adalimumab, infliximab
Autoimmune thereapeutic antibody
Adalimumab, infliximabtarget
Soluble TNF-α
Soluble TNF-αclinical use
- IBD
- rheumatoid arthritis
- ankylosing spondylitis
- psoriasis
Adalimumab, infliximabfact
Etanercept is a decoy TNF-α receptor and not a monoclonal antibody
Eculizumabtarget
Complement protein C5
Eculizumabclinical use
Paroxysmal nocturnal hemoglobinuria
Natalizumabtarget
α4-integrin
Natalizumabclinical use
Multiple sclerosis, Crohn disease
Natalizumabfact
α4-integrin: WBC adhesionRisk of PML in patients withJC virus
Abciximabtarget
Platelet glycoproteins IIb/IIIa
Abciximabclinical use
Antiplatelet agent for prevention of ischemic complications in patients undergoing percutaneous coronary intervention
Denosumab target
RANKL
Denosumabclinical use
Osteoporosis; inhibits osteoclast maturation (mimicsosteoprotegerin)
Digoxin immune Fabtarget
Digoxin
Digoxin immune Fabclinical use
Antidote for digoxin toxicity
Omalizumabtarget
IgE
Omalizumabclinical use
Allergic asthma; prevents IgE binding to FcεRI
Palivizumabtarget
RSV F protein
Palivizumabclinical use
RSV prophylaxis for high-risk infants
Ranibizumab, bevacizumabtarget
VEGF
Ranibizumab, bevacizumabclinical use
Neovascular age-related macular degeneration