VIDEX PEDIATRIC PWD for ORAL SOLN Rx

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VIDEX PEDIATRIC PWD for ORAL SOLN

Viral infections
Only 4 drugs may be compared at once

Generic Name and Formulations:

Didanosine 2g, 4g; pwd for oral soln after reconstitution and dilution.

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Indications for VIDEX PEDIATRIC PWD for ORAL SOLN:

HIV-1 infection.

Adult:

Take on an empty stomach. <60kg: 125mg twice daily. ≥60kg: 200mg twice daily. If once daily dosing required: <60kg: 250mg. ≥60kg: 400mg. Renal impairment (CrCl 30–59mL/min): <60kg: 150mg once daily or 75mg twice daily; ≥60kg: 200mg once daily or 100mg twice daily; CrCl 10–29mL/min: <60kg:100mg once daily; ≥60kg: 150mg once daily; CrCl <10mL/min or dialysis: <60kg: 75mg once daily; ≥60kg: 100mg once daily.

Children:

See literature. Take on empty stomach. <2 weeks: not recommended. 2 weeks–8 months: 100mg/m2 twice daily. ≥8 months: 120mg/m2 twice daily. Renal impairment: consider reducing dose and/or increasing dosing interval.

Contraindications:

Concomitant allopurinol or ribavirin.

Warnings/Precautions:

Suspend if signs or symptoms of pancreatitis (discontinue if confirmed), lactic acidosis, or hepatotoxicity (eg, hepatomegaly or steatosis) occurs. Increased risk of pancreatitis (eg, alcohol abuse, advanced HIV disease, elderly, renal impairment); monitor. Women, obesity, or prolonged nucleoside exposure: increased risk of toxicity. Advanced HIV disease, history of neuropathy, or concomitant neurotoxic drugs: consider reducing dose or discontinuing if peripheral neuropathy occurs. Monitor for non-cirrhotic portal hypertension; discontinue if occurs. Hepatic dysfunction. Hyperuricemia. Do periodic retinal exam. Elderly. Pregnancy (Cat.B); monitor for lactic acidosis if used with stavudine. Nursing mothers: not recommended.

Interactions:

See Contraindications. Avoid with hydroxyurea and stavudine. Potentiated by ganciclovir, tenofovir (reduce dose of didanosine; monitor). Antagonized by methadone. For pediatric pwd: caution with magnesium- or aluminum-containing antacids. Separate dosing of delavirdine, indinavir, nelfinavir by 1 hour; give drugs affected by gastric pH (eg, ketoconazole, itraconazole) 2 hours prior. May antagonize quinolones, tetracyclines. Give at least 6 hours before or 2 hours after ciprofloxacin. See literature for dosing with concomitant tenofovir.

See Also:

VIDEX EC

Pharmacological Class:

Nucleoside analogue (reverse transcriptase inhibitor).

Adverse Reactions:

GI disturbances, headache, rash; elevated liver enzymes, amylase, and lipase; pancreatitis, lactic acidosis/hepatomegaly with steatosis, retinal changes, optic neuritis, peripheral neuropathy, hyperuricemia, fat redistribution, immune reconstitution syndrome, non-cirrhotic portal hypertension.

Note:

Register pregnant patients exposed to didanosine by calling (800) 258-4263.

How Supplied:

EC caps—30; Pediatric pwd (bottles)—120mL, 240mL