Indications
Breast cancer (locally advanced/metastatic breast cancer
or with doxorubicin and cyclophosphamide as adjuvant
treatment of node-positive disease). Non–smallcell
lung cancer (locally advanced/metastatic) after
failure on platinum regimen or with platinum as initial
therapy). Advanced metastatic hormone-refractory
prostate cancer (with prednisone). Squamous cell carcinoma
of the head and neck (locally advanced) with
cisplatin and fluorouracil. Gastric adenocarcinoma (locally
advanced) with cisplatin and fluorouracil.
Action
Interferes with normal cellular microtubule function
required for interphase and mitosis. Therapeutic
Effects: Death of rapidly replicating cells, particularly
malignant ones.
Pharmacokinetics
Absorption: IV administration results in complete
bioavailability.
Distribution: Unknown.
Metabolism and Excretion: Extensively metabolized
by the liver; metabolites undergo fecal elimination.
Half-life: 11.1 hr.
TIME/ACTION PROFILE (effect on blood
counts)
ROUTE ONSET PEAK DURATION
IV rapid 5–9 days 7 days
Contraindications/Precautions
Contraindicated in: Hypersensitivity; Hypersensitivity
to polysorbate 80; Known alcohol intolerance;
Neutrophil count 1500/mm3; Liver impairment (serum
bilirubin upper limit of normal, ALT and/or AST
1.5 times upper limit of normal, with alkaline phosphatase
2.5 times upper limit of normal); OB, Lactation:
Pregnancy or lactation.
Use Cautiously in: OB: Patients with child-bearing
potential; Pedi: Efficacy not established.
Adverse Reactions/Side Effects
CNS: fatigue, weakness, alcohol intoxication. EENT:
cystoid macular edema. Resp: ACUTE RESPIRATORY DISTRESS
SYNDROME, INTERSTITIAL LUNG DISEASE, PULMONARY
FIBROSIS, bronchospasm, dyspnea. CV: ASCITES, CARDIAC
TAMPONADE, PERICARDIAL EFFUSION, PULMONARY
EDEMA, peripheral edema. GI: diarrhea, nausea, stomatitis,
vomiting. Derm: alopecia, edema, rash, dermatitis,
desquamation, erythema, nail disorders. Hemat:
anemia, leukopenia, thrombocytopenia,
leukemia. Local: injection site reactions. MS: myalgia,
arthralgia. Neuro: neurosensory deficits, peripheral
neuropathy. Misc: hypersensitivity reactions, including
ANAPHYLAXIS.
Interactions
Drug-Drug:qbone marrow depression may occur
with other antineoplastics or radiation therapy.
Strong inhibitors of CYP3A4, including atazanavir,
clarithromycin, indinavir, itraconazole, ketoconazole,
nefazodone, nelfinavir, ritonavir, saquinavir,
or voriconazoleqlevels and the risk of toxicity;
avoid concomitant use (if need to use,pdocetaxel dose
by 50%).
Route/Dosage
IV (Adults): Breast cancer—60–100 mg/m2 every 3
wk; Breast cancer adjuvant therapy—75 mg/m2
every 3 wk for 6 cycles (with doxorubicin and cyclophosphamide);
Non–small-cell lung cancer—75
mg/m2 every 3 wk (alone or with platinum); Prostate
cancer—75 mg/m2 every 3 wk (with oral prednisone);
Squamous cell head and neck cancer—75
mg/m2 every 3 wk for 3–4 cycles (with cisplatin and
fluorouracil); Gastric adenocarcinoma—75 mg/m2
every 3 wk (with cisplatin and fluorouracil).
Availability (generic available)
Injection concentrate: 10 mg/mL (dose of 100 mg/
m2 contains 0.15 g/m2 of ethanol), 20 mg/mL (dose of
100 mg/m2 contains 1.975 g/m2 of ethanol), 40 mg/mL
(dose of 100 mg/m2 contains 0.15 g/m2 of ethanol).
Lyophilized powder for injection: 20 mg/vial, 80
mg/vial.
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