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Kaletra and Pravastatin Sodium

Determining the interaction of Kaletra and Pravastatin Sodium and the possibility of their joint administration.

Check result:
Kaletra <> Pravastatin Sodium
Relevance: 06.08.2022 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Using ritonavir together with pravastatin may decrease the effects of pravastatin. Contact your doctor if your condition changes or if your cholesterol increases. If your doctor does prescribe these medications together, you may need a dose adjustment or special test to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

MONITOR: Coadministration with ritonavir may decrease the plasma concentrations of pravastatin. The proposed mechanism is ritonavir induction of pravastatin metabolism via glucuronosyl transferase. In 13 healthy volunteers, the combination of ritonavir (300 mg twice a day for 3 days, then 400 mg twice a day) and saquinavir (soft gelatin capsule 400 mg twice a day) given for 14 days decreased the mean peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) of pravastatin (40 mg once a day for 4 days) by 42% and 50%, respectively. The clinical relevance of these changes is unknown. Pravastatin appeared to have no significant effect on the plasma levels of ritonavir and saquinavir based on comparison with historical controls. It is not known to what extent, if any, the interaction may occur when ritonavir is used in lower dosages as a pharmacokinetic booster. No interaction was observed when pravastatin was given with lopinavir-ritonavir in drug interaction studies.

MANAGEMENT: Pravastatin appears to be safe when coadministered with ritonavir, although the potential for diminished hypolipidemic efficacy should be considered when antiretroviral dosages of ritonavir is prescribed. Pharmacologic response to pravastatin should be monitored more closely whenever ritonavir is added to or withdrawn from therapy, and the pravastatin dosage adjusted as necessary.

References
  • "Product Information. Kaletra (lopinavir-ritonavir)" Abbott Pharmaceutical, Abbott Park, IL.
  • Everett DW, Chando TJ, Didonato GC, Singhvi SM, Pan HY, Weinstein SH "Biotransformation of pravastatin sodium in humans." Drug Metab Dispos 19 (1991): 740-8
  • Fichtenbaum CJ, Gerber JG, Rosenkranz SL, et al. "Pharmacokinetic interactions between protease inhibitors and statins in HIV seronegative volunteers: ACTG Study A5047." AIDS 16 (2002): 569-577
Kaletra

Generic Name: lopinavir / ritonavir

Brand name: Kaletra

Synonyms: n.a.

Pravastatin Sodium

Generic Name: pravastatin

Brand name: Pravachol

Synonyms: Pravastatin

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

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