Immunosuppressant Drugs Flashcards
Azathioprine (Imuran)
Chemical Classification
Purine Antagonist
Azathioprine (Imuran)
Mechanism of Action
Produces immunosuppression by inhibiting purine synthesis in cells
Azathioprine (Imuran)
Uses
Renal transplants to prevent graft rejection, refractory rheumatoid arthritis
Azathioprine (Imuran)
Contraindications
Pregnancy (D), hypersensitivity, breastfeeding
Azathioprine (Imuran)
Side Effects
GI: Nausea, Vomiting, stomatitis, esophagitis, PANCREATITIS, HEPATOTOXICITY, JAUNDICE
HEMA: LEUKOPENIA, THROMBOCYTOPENIA, ANEMIA, PANCYTOPENIA, BLEEDING
INTEG: rash, alopecia
MISC: SERUM SICKNESS, Raynaud’s symptoms, secondary malignancy, infection
MS: arthralgia, muscle wasting
Azathioprine (Imuran)
Nursing Considerations
ASSESS:
- FOR INFECTION: increased temp, WBC; sputum, urine
- I&O, weight daily, report decreasing urine output; toxicity may occur
- Bone marrow suppression: severe leukopenia, pancytopenia, thrombocytopenia; Hgb, WBC, platelets during treatment monthly; if leukocytes are <100,000/mm3, product should be discontinued
- HEPATOTOXICITY: IF DARK URINE, JAUNDICE, ITCHING, LIGHT-COLORED STOOLS, INCREASED LFTs, PRODUCT SHOULD BE DISCONTINUED; HEPATIC STUDIES: ALK PHOS, AST, ALT, BILIRUBIN
- ARTHRITIS: pain, ROM, swelling, mobility before, during treatment
Cyclosporine
Functional Classification
Immunosuppressant
Cyclosporine
Chemical Classification
Fungus-derived peptide
Cyclosporine
Mechanism of Action
Produces immunosuppression by inhibiting lymphocytes (T)
Cyclosporine
Uses
Organ transplants( liver, kidney, heart) to prevent rejection, rheumatoid arthritis, psoriasis
Cyclosporine
Contraindications
Breastfeeding, hypersensitivity to polyxyethylated castor oil (inj only); psoriasis or RA in renal disease (Neoral/Gengraf); Gengraf/Neoral used with PUVA/UVB, methotrexate, coal tar; ocular infections
Uncontrolled, malignant hypertension; radiation in psoriasis, neoplastic disease, sunlight (UV) exposure, renal disease/failure
Cyclosporine
Side Effects
CNS: Tremors, Headache, SEIZURES, CONFUSION
GI: nausea, vomiting, diarrhea, Oral Candida, Gum Hyperplasia, HEPATOTOXICITY, pancreatitis
GU: ALBUMINURIA, HEMATURIA, PROTEINURIA, RENAL FAILURE
INTEG: rash, acne, Hirsutism, pruritus
META: hyperkalemia, hypomagnesemia, hyperlipidemia, hyperuricemia
MISC: Infection, Hypertension
Cyclosporine
Nursing Considerations
ASSESS:
- Renal studies: BUN, creatinine at least monthly during treatment, 3 mo after treatment
- Product blood level during treatment 12 hr after dose, toxic >400ng/ml
- Hepatic studies: alk phos, AST, ALT, bilirubin; hepatotoxicity: dark urine, jaundice, itching, light-colored stools; product should be discontinued
- Serum lipids, magnesium, potassium, cycloSPORINE blood concentrations
- ENCEPHALOPATHY: impaired cognition, seizures, visual changes including blindness, loss of motor function, movement disorders and psychiatric changes; dosage reduction or discontinuation may be needed in severe cases
- NEPHROTOXICITY: 6wk after surgery, acute tubular necrosis, CyA trough level >200ng/ml, gradual rise in creatinine (0.15mg/dl/day), creatinine plateau <40mmHg
- Signs/symptoms of encephalopathy, lymphoma
Muromonab-CD3
Functional Classification
Immunosuppressant
Muromonab-CD3
(Chemical Classification
Murine monoclonal antibody