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Lisdexamfetamine and Tenex

Determining the interaction of Lisdexamfetamine and Tenex and the possibility of their joint administration.

Check result:

Lisdexamfetamine <> Tenex

Relevance: 19.07.2023 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:

Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. Minor drug interactions do not usually cause harm or require a change in therapy. However, your healthcare provider can determine if adjustments to your medications are needed.

Professional:

Coadministration with lisdexamfetamine appears to have modest effects on the pharmacokinetics of guanfacine. In a drug interaction study consisting of 40 subjects, administration of an extended-release 4 mg dose of guanfacine in combination with lisdexamfetamine 50 mg resulted in a 19% increase in guanfacine peak plasma concentration (Cmax) and 7% increase in systemic exposure (AUC) compared to administration of guanfacine alone. These changes are not expected to be clinically important. Guanfacine had no effect on d-amphetamine systemic exposure in the study.

References

"Product Information. Vyvanse (lisdexamfetamine)." Shire US Inc, Florence, KY.

Lisdexamfetamine

Generic Name: lisdexamfetamine

Brand name: Vyvanse

Synonyms: n.a.

What is Lisdexamfetamine?

Tenex

Generic Name: guanfacine

Brand name: Intuniv, Tenex

Synonyms: n.a.

What is Tenex?

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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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