Monograph Details

Infections & Infestations > Viral infections
VIDEX PEDIATRIC PWD for ORAL SOLN
Manufacturer
Bristol-Myers Squibb Virology
Legal Classification
Rx
Pharmacological Class
Nucleoside analogue (reverse transcriptase inhibitor).
Generic Name
Didanosine 2g, 4g.
Also
VIDEX BUFFERED PWD for ORAL SOLN
VIDEX EC
Indications
HIV-1 infection.
Children
See literature. Take on empty stomach. Constitute and dilute before use. <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.
Adults
Use other forms.
Contraindications
Pancreatitis.
Precautions
Suspend if signs or symptoms of pancreatitis (discontinue if confirmed), lactic acidosis, or hepatotoxicity (eg, hepatomegaly or steatosis) occurs. History or risk of pancreatitis (eg, obesity, alcohol abuse, hypertriglyceridemia, advanced HIV disease). 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. Hepatic dysfunction. Hyperuricemia. Do periodic retinal exam. Elderly. Pregnancy (Cat.B); monitor for lactic acidosis if used with stavudine. Nursing mothers: not recommended.
Interactions
Extreme caution with pancreatotoxic drugs (eg, alcohol, stavudine, pentamidine): see literature. Caution with hydroxyurea, neurotoxic drugs (eg, stavudine). Potentiated by allopurinol (not recommended), ganciclovir; increased didanosine toxicities with ribavirin, tenofovir (monitor). Antagonized by methadone. Triple therapy (once daily regimen) with lamivudine + tenofovir: high rate of early viral non-response (see literature). Buffered form: 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, others bound by multivalent cations (separate dosing). Give at least 6 hours before or 2 hours after ciprofloxacin. For pediatric pwd: avoid magnesium- or aluminum-containing antacids.
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.
Extra Text
Note: Register pregnant patients exposed to didanosine by calling (800) 258-4263.
How Supplied
EC caps—30
Pwd (packets)—30
Pediatric pwd (bottles)—1
Additional Resources
Related Prescribing Note