DARUNAVIR = DRV

Prescription under medical supervision


Therapeutic action

– Antiretroviral, HIV protease inhibitor

Indications

– HIV infection, in combination with ritonavir (booster) and other antiretrovirals

Forms and strengths

– 75 mg, 300 mg, 400 mg and 600 mg tablets

Dosage

Patients with no previous use of protease inhibitors
Child 14 to < 35 kg: 600 mg once daily (+ 100 mg ritonavir once daily)
Child ≥ 35 kg and adult: 800 mg once daily (+ 100 mg ritonavir once daily)

Patients with previous use of protease inhibitors
Child 14 to < 25 kg: 375 mg 2 times daily (+ 50 mg ritonavir 2 times daily)
Child 25 to < 35 kg: 400 mg 2 times daily (+ 100 mg ritonavir 2 times daily)
Child ≥ 35 kg and adult: 600 mg 2 times daily (+ 100 mg ritonavir 2 times daily)

Duration

– The duration of treatment depends on the efficacy and tolerance of darunavir and ritonavir.

Contra-indications, adverse effects, precautions

– Do not administer in children under 3 years; in case of severe hepatic impairment, history of allergy to sulfonamides or in combination with rifampicin.
– Administer with caution and monitor use in patients with haemophilia (increased bleeding) or in patients with mild or moderate hepatic impairment.
– May cause:
• gastrointestinal disturbances, headache, insomnia, fatigue, dizziness, peripheral neuropathy, renal disorders, myocardial infarction, hypertension, tachycardia, hyperglycaemia, hyperlipidaemia, lipodystrophy;
• skin rash sometimes severe, hepatic disorders; in this event, stop treatment immediately.
– Darunavir in combination with ritonavir reduces the efficacy of oral contraceptives: use a non-hormonal contraception or injectable medroxyprogesterone or an oral contraceptive containing 50 micrograms of ethinylestradiol per tablet.
–  Pregnancy: no contra-indication

Remarks

– Take with meals together with ritonavir.
–  Storage: below 25 °C -