Darunavir

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Antiretrovirally active substance for the inhibition of the viral HIV protease( protease inhibitor).

Indication
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Antiretroviral therapy of human immunodeficiency virus (HIV-1) infections in multi-treated adults who have failed under more than one treatment regimen with a protease inhibitor.

Pregnancy/nursing period
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Basically contraindicated! Use in pregnant women only under strict benefit/risk assessment. Do not use in nursing HIV-infected mothers, as it is not known whether the preparation passes into breast milk.

Dosage and method of use
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Prezista: 2 times/day 600 mg p.o., each time in combination with 100 mg ritonavir (to boost the effect) and together with a meal (improved absorption).

Undesirable effects
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Mostly mild gastrointestinal side effects (diarrhoea), minor dyslipidemia and liver elevation.

Interactions
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Do not use together with St. John's wort, echinacea, rifampicin, rifapentin, phenobarbital, phenytoin, carbamazepine, ergotamine preparations, and other protein inhibitors (except atazanavir and indinavir).

Remember! Important exception compared to other protease inhibitors: concomitant use of pravastatin is contraindicated; in hypercholesterolaemia, the lowest possible dose of atorvastatin (10 mg) should be used for treatment.

Contraindication
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  • Allergies (hypersensitivity) to darunavir or other components of the drug.
  • Patients with severe liver dysfunction (Child-Pugh class C).
  • e.g. ergometrin, ergotamine, methylergometrin], substances to increase gastrointestinal motility [cisapride], certain neuroleptics [pimozide, sertindole], certain sleeping pills [triazolam, midazolam], certain cholesterol-lowering drugs [simvastatin and lovastatin, pravastatin].

Preparations
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Prezista

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Last updated on: 29.10.2020