Difference between revisions of "Combining-Risperidone-Carbamazepine"
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Adding carbamazepine to risperidone.
General information- Risperidone is principally metabolized by CYP2D6 to an active metabolite 9-OH-risperidone (paliperidone).
- Carbamazepine is principally metabolized by CYP3A4, and is a potent inducer of CYP1A2, CYP2C9, CYP3A4 and UDP-glucuronosyltransferases.
- Risperidone is principally metabolized by CYP2D6 to an active metabolite.
- Carbamazepine is principally metabolized by CYP3A4 (also CYP2C8), but is also a potent inducer of CYP1A2, CYP3A4 and UDP-glucuronosyltransferases.
- This combination of drugs may have possible synergistic effects. However, the pharmacokinetic drug interactions will influence the plasma levels. Dose adaptation will be recommended for this combination.
Start carbamazepine- Coadministration with carbamazepine may decrease the plasma concentrations of risperidone and its pharmacologically active metabolite, 9-hydroxyrisperidone.
- Risperidone should be given at higher dosage to control psychotic symptoms. [7]
Cave- Pharmacologic response and plasma risperidone levels should be monitored more closely whenever carbamazepine is added to or withdrawn from therapy.
- ↑ 1.0 1.1 1.2 KNMP; Informatorium Medicamentorum 2023; Monografie "risperidon" (Dutch)
Cite error: Invalid
<ref>tag; name "informatorium" defined multiple times with different content - ↑ Woods SW; Chlorpromazine equivalent doses for the newer atypical antipsychotics J Clin Psychiatry 2003;64:663-667
- ↑ 3.0 3.1 The Lundbeck Institute; Psychotropics; Terminal Plasma Half-lives
- ↑ WHO Collaborating Centre for Drug Statistics Methodology ATC=N03AF01
- ↑ Farmacotherapeutisch Kompas; Toxicologie (dutch)
- ↑ Farmacotherapeutisch Kompas - carbamazepine (dutch)
- ↑ Interactions between risperidone and carbamazepine on drugs.com
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