Mosby's 2014 Nursing Drug Reference (80 page)

BOOK: Mosby's 2014 Nursing Drug Reference
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Canada only   Side effects:
italics
= common;
bold
= life-threatening   
Nurse Alert

HIGH ALERT
CARBOplatin (Rx)

(kar-boe-pla′-tin)

Func. class.:
Antineoplastic alkylating agent

Chem. class.:
Platinum coordination compound

Do not confuse:
CARBOplatin
/CISplatin

ACTION:

Produces interstrand DNA cross-links and, to a lesser extent, DNA-protein cross-links; activity is not cell-cycle–phase specific

USES:

Initial treatment of advanced ovarian cancer in combination with other agents; palliative treatment of ovarian carcinoma recurrent after treatment with other antineoplastic agents

Unlabeled uses:
Acute lymphocytic leukemia (ALL), acute myelogenous leukemia (AML), bladder/breast/head/neck/lung/testicular cancer, bone marrow ablation, malignant glioma, neuroblastoma, non-Hodgkin’s lymphoma, osteogenic sarcoma, soft-tissue sarcoma, stem-cell transplant preparation, Wilms’ tumor, stage I seminoma

CONTRAINDICATIONS:

Pregnancy (D), breastfeeding, hypersensitivity, significant bleeding, aluminum products used to prepare or administer CARBOplatin

 

Black Box Warning:

Severe bone marrow depression, platinum compound hypersensitivity

Precautions:
Geriatric patients, radiation therapy within 1 mo, other cancer chemotherapy within 1 mo, renal/hepatic disease

 

Black Box Warning:

Anemia, infection

DOSAGE AND ROUTES
Calculator
Dosing with the Calvert equation

• Adult:
The total CARBOplatin dose in mg for adults may be calculated using the Calvert equation:

Total dose (mg) = target AUC × (GFR + 25)

• Children:
Calculate CARBOplatin dosage (mg/m
2
) in children:

Total dose (mg/m
2
) = target AUC × [(0.93 × GFR) + 15]

Advanced ovarian cancer

• Adult (single agent):
IV INF
initially 300 mg/m
2
on day 1 with cyclophosphamide, 600 mg/m
2
IV
on day 1, repeat q4wk × 6 cycles; refractory tumors 360 mg/m
2
single dose, may repeat q4wk as needed, do not repeat until neutrophils >2000/mm
3
and platelets >100,000/mm
3

Renal dose

• Adult (single agent):
IV INF
CCr 41-59 ml/min, 250 mg/m
2
, CCr 16-40 ml/min, 200 mg/m
2
, do not use if CCr <15 ml/min

All (unlabeled)

• Adult <21 yr/adolescent/child:
IV
635 mg/m
2
on day 3 with ifosfamide, mesna, etoposide

Relapsed Wilms’ tumor (unlabeled)

• Child:
IV
400 mg/m
2
× 2 days with etoposide, ifosfamide

Osteogenic sarcoma (unlabeled)

• Adult/adolescent/child:
IV
560 mg/m
2
on day 1 with ifosfamide 2.65 g/m
2
/day
IV
on days 1-3

Neuroblastoma/soft-tissue sarcoma (unlabeled)

• Child:
IV
300-600 mg/m
2
q4wk or 400 mg/m
2
/day for 2 days q4wk or 160 mg/m
2
/day × 5 days q4wk

Available forms:
Lyophilized powder for inj 50-, 150-, 450-mg vials; aqueous sol for inj 50 mg/5-ml vial, 150 mg/15-ml vial, 450 mg/45-ml vial, 600 mg/60-ml vial

Administer:

• 
Antiemetic 30-60 min before product and prn for vomiting

IV route

• 
Do not use needles or IV administration sets that contain aluminum; may cause precipitate or loss of potency

• 
Use cytotoxic handling procedures

• 
Storage protected from light at room temp; reconstituted vials stable for 24 hr at room temp, Paraplatin multidose (10 mg/ml) vials stable for up to 14 days after entry into vial

• 
Reconstitute
CARBOplatin 50, 150, or 450 mg with 5, 15, or 45 ml, respectively, of sterile water for inj, D
5
W, or NaCl (10 mg/ml); then further
dilute
with the same sol to 0.5-4 mg/ml;
give
over 15 min or more (intermittent INF)

• 
Continuous IV INF
over 24 hr; max dose based on (GFR=125 mg/ml)

Solution compatibilities:
D
5
/0.2% NaCl, D
5
/0.45% NaCl, D
5
/0.9% NaCl, 0.9% NaCl, D
5
W, sterile water for inj

Y-site compatibilities:
Acyclovir, alfentanil, allopurinol, amifostine, amikacin, aminocaproic acid, aminophylline, amiodarone, amphotericin B lipid complex, amphotericin B liposome, ampicillin, ampicillin-sulbactam, anidulafungin, atenolol, atracurium, azithromycin, aztreonam, bivalirudin, bleomycin, bumetanide, buprenorphine, butorphanol, calcium chloride/gluconate, caspofungin, ceFAZolin, cefepime, cefoperazone, cefotaxime, cefoTEtan, cefOXitin, cefTAZidime, ceftizoxime, cefTRIAXone, cefuroxime, cimetidine, ciprofloxacin, cisatracurium, CISplatin, cladribine, clindamycin, codeine, cyclophosphamide, cycloSPORINE, cytarabine, DAPTOmycin, DAUNOrubicin, dexamethasone, dexmedetomidine, dexrazoxane, digoxin, diltiazem, diphenhydrAMINE, DOBUTamine, DOCEtaxel, DOPamine, doripenem, doxacurium, DOXOrubicin, DOXOrubicin liposomal, doxycycline, droperidol, enalaprilat, ePHEDrine, EPINEPHrine, epirubicin, ertapenem, erythromycin, esmolol, etoposide, famotidine, fenoldopam, fentaNYL, filgrastim, fluconazole, fludarabine, fluorouracil, foscarnet, fosphenytoin, furosemide, ganciclovir, gatifloxacin, gemcitabine, gentamicin, granisetron, haloperidol, heparin, hydrocortisone, HYDROmorphone, hydrOXYzine, IDArubicin, ifosfamide, imipenem-cilastatin, inamrinone, insulin (regular),
irinotecan, isoproterenol, ketorolac, labetalol, levofloxacin, levorphanol, lidocaine, linezolid injection, LORazepam, magnesium sulfate, mannitol, melphalan, meperidine, meropenem, mesna, methohexital, methotrexate, methylPREDNISolone, metoclopramide, metoprolol, metroNIDAZOLE, micafungin, midazolam, milrinone, minocycline, mitoXANtrone, mivacurium, morphine, nafcillin, nalbuphine, naloxone, nesiritide, niCARdipine, nitroglycerin, nitroprusside, norepinephrine, octreotide, ofloxacin, ondansetron, oxaliplatin, PACLitaxel, palonosetron, pamidronate, pancuronium, pantoprazole, PEMEtrexed, pentamidine, PENTobarbital, PHENobarbital, phenylephrine, piperacillin, piperacillin-tazobactam, potassium chloride, potassium phosphates, prochlorperazine, promethazine, propofol, propranolol, ranitidine, remifentanil, riTUXimab, rocuronium, sargramostim, sodium acetate, sodium bicarbonate, sodium phosphates, succinylcholine, SUFentanil, sulfamethoxazole-trimethoprim, tacrolimus, teniposide, theophylline, thiotepa, ticarcillin, ticarcillin-clavulanate, tigecycline, tirofiban, TNA, tobramycin, topotecan, TPN, trastuzumab, trimethobenzamide, vancomycin, vasopressin, vecuronium, verapamil, vinBLAStine, vinCRIStine, vinorelbine, voriconazole, zidovudine

SIDE EFFECTS

CNS:
Seizures, central neurotoxicity,
peripheral neuropathy
, dizziness, confusion

CV:
Cardiac abnormalities (fatal CV events), stroke

EENT:
Tinnitus, hearing loss,
vestibular toxicity
, visual changes

GI:
Severe nausea, vomiting
, diarrhea, weight loss, mucositis, anorexia, constipation, taste change

HEMA:
Thrombocytopenia, leukopenia, pancytopenia, neutropenia, anemia,
bleeding

INTEG:
Alopecia
, dermatitis, rash, erythema, pruritus, urticaria

META:
Hypomagnesemia, hypocalcemia, hypokalemia, hyponatremia, hyperuremia

SYST:
Anaphylaxis

PHARMACOKINETICS

Initial half-life 1-2 hr, postdistribution half-life 2½-6 hr, not bound to plasma proteins, excreted by the kidneys

INTERACTIONS

Increase:
nephrotoxicity or ototoxicity—aminoglycosides, amphotericin B

Increase:
bleeding risk—aspirin, NSAIDs, thrombolytics, anticoagulants, platelet inhibitors

Increase:
toxicity—radiation, bone marrow suppressants

Increase:
myelosuppression—myelosuppressives

Decrease:
phenytoin levels, monitor levels

Drug/Lab Test

Increase:
AST, BUN, alk phos, bilirubin, creatinine

Decrease:
platelets, neutrophils, WBC, RBC, Hgb/HCT, calcium, potassium, magnesium, phosphate

NURSING CONSIDERATIONS
Assess:

 

Black Box Warning:

To only be used by person experienced in the use of Chemotherapeutic products, in a specialized care setting

 

Black Box Warning:

Bone marrow depression:
CBC, differential, platelet count weekly; withhold product if neutrophil count is <2000/mm
3
or platelet count is <100,000/mm
3
; notify prescriber of results; calcium, magnesium, phosphate, potassium, sodium, uric acid, CCR, bilirubin; CCr <60 ml/min may be responsible for increased bone marrow suppression; assess frequently for infection

• 
Renal studies: BUN, creatinine, serum uric acid; urine CCr before, during therapy; I&O ratio; report fall in urine output to <30 ml/hr

• 
Monitor temp q4hr (may indicate beginning infection)

• 
Hepatic studies before, during therapy (bilirubin, AST, ALT, LDH) as needed or monthly; jaundice of skin, sclera; dark urine, clay-colored stools, itchy skin, abdominal pain, fever, diarrhea

 
Anaphylaxis:
hypotension, rash, pruritus, wheezing, tachycardia may occur within a few mins of use; notify prescriber after discontinuing product; resuscitation equipment should be available

• 
Delay dental work until blood counts have returned to normal; regular toothbrushes, dental floss, and toothpicks should not be used, use soft bristle toothbrush

• 
Peripheral neuropathy:
may be increased in geriatric patients

• 
Bleeding;
hematuria, stool guaiac, bruising, petechiae, mucosa or orifices; avoid all IM injections if platelets <50,000/mm
3

• 
Effects of alopecia on body image; discuss feelings about body changes

Evaluate:

• 
Therapeutic response: decreasing size of tumor, spread of malignancy

Teach patient/family:

• 
To report ringing/roaring in the ears; numbness, tingling in face, extremities; weight gain

• 
That impotence or amenorrhea can occur; that this is reversible after treatment is discontinued; to notify prescriber if pregnancy is suspected or planned; pregnancy (D), that contraception should be used if patient is fertile

• 
Not to breastfeed during treatment

• 
To avoid OTC products with aspirin, NSAIDs, alcohol; not to receive vaccinations during treatment

 
To notify prescriber immediately of fever, fatigue, sore throat, bleeding, bruising, chills, back pain, blood in stools, dyspnea

• 
That hair may be lost during treatment; that a wig or hairpiece may make the patient feel better; that new hair may be different in color, texture

• 
To avoid crowds, persons with known infections; to avoid the use of razors, stiff-bristle toothbrushes

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