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Victrelis

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Victrelis

Victrelis

OVERDOSE

Daily doses of 3600 mg have been taken by healthy volunteers for 5 days without untoward symptomatic effects.

There is no specific antidote for overdose with VICTRELIS. Treatment of overdosage with VICTRELIS should consist of general supportive measures, including monitoring of vital signs, and observation of the patient's clinical status.

CONTRAINDICATIONS

Contraindications to peginterferon alfa and ribavirin also apply to VICTRELIS combination treatment.

VICTRELIS in combination with peginterferon alfa and ribavirin is contraindicated in:

  • Pregnant women and men whose female partners are pregnant because of the risks for birth defects and fetal death associated with ribavirin [see WARNINGS AND PRECAUTIONS and Use in Specific Populations].
  • Patients with a history of a hypersensitivity reaction to boceprevir [see WARNINGS AND PRECAUTIONS].

Coadministration with drugs that are highly dependent on CYP3A4/5 for clearance, and for which elevated plasma concentrations are associated with serious and/or life-threatening events, including those in Table 2, is contraindicated [see also DRUG INTERACTIONS].

Coadministration with potent CYP3A4/5 inducers, where significantly reduced boceprevir plasma concentrations may be associated with reduced efficacy, including those in Table 2, is contraindicated [see also DRUG INTERACTIONS].

Table 2 :Drugs that are contraindicated with VICTRELIS

Drug Class Drugs Within Class that are Contraindicated With VICTRELIS Clinical Comments
Alpha 1-Adrenoreceptor antagonists Alfuzosin, doxazosin, silodosin, tamsulosin Potential for alpha 1-adrenoreceptor antagonist-associated adverse events, such as hypotension and priapism
Anticonvulsants Carbamazepine, phenobarbital, phenytoin May lead to loss of virologic response to VICTRELIS
Antimycobacterial Agents Rifampin May lead to loss of virologic response to VICTRELIS.
Ergot Derivatives Dihydroergotamine, ergonovine, ergotamine, methylergonovine Potential for acute ergot toxicity characterized by peripheral vasospasm and ischemia of the extremities and other tissues.
GI Motility Agent Cisapride Potential for cardiac arrhythmias.
Herbal Products St. John's wort (Hypericum perforatum) May lead to loss of virologic response to VICTRELIS.
HMG-CoA Reductase Inhibitors Lovastatin, simvastatin Potential for myopathy, including rhabdomyolysis.
Oral Contraceptives Drospirenone Potential for hyperkalemia.
PDE5 enzyme Inhibitor REVATIO® (sildenafil) or ADCIRCA® (tadalafil) when used for the treatment of pulmonary arterial hypertension* Potential for PDE5 inhibitor-associated adverse events, including visual abnormalities, hypotension, prolonged erection, and syncope.
Neuroleptic Pimozide Potential for cardiac arrhythmias.
Sedative/Hypnotics Triazolam; orally administered midazolam† Prolonged or increased sedation or respiratory depression.
* See DRUG INTERACTIONS, Table 5 for coadministration of sildenafil and tadalafil when dosed for erectile dysfunction.
† See DRUG INTERACTIONS, Table 5 for parenterally administered midazolam.

Last reviewed on RxList: 2/21/2014
This monograph has been modified to include the generic and brand name in many instances.

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