Switch medication from hypericum to dosulepine.
- Day 1-14:Gradually decrease the dosage of hypericum.
- Day 15: stop administration of hypericum.
- Day 15-22: a wash-out period of at least one week is necessary.
- Day 23: start dosulepine 25 mg/day.Increase the dose with about 25% of the target dose every 3 days.
- Hypericum induces enzymes of the CYP P-450 type and P-gp type.
- Hypericum might have MAO-inhibiting and/or COMT-inhibiting properties.
- Many studies reported that hypericin is the main source of pharmacological effects of hypericum. However the IC50 of hypericin to inhibit MAO A and MAO B is 100- to 1000-fold higher than accessible Cmax values of hypericin after oral administration of hypericum.
- The T1/2 of hypericum is 19 - 37 hour.
- Occurrence of the serotonin syndrome is possible without wash-out period.
- KNMP; Informatorium Medicamentorum 2015; Monografie "dosulepine" (Dutch)
Cite error: Invalid
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- NVZA; Toxicology.org; Monografie 63 (dutch)
- Imai H, Kotegawa T, Tsutsumi K, Morimoto T, Eshima N, Nakano S, Ohashi K. The recovery time-course of CYP3A after induction by St John's wort administration. Br J Clin Pharmacol. 2008 May;65(5):701-7.
- Wurglics M, Schubert-Zsilavecz M. Hypericum perforatum: a 'modern' herbal antidepressant: pharmacokinetics of active ingredients. Clin Pharmacokinet. 2006;45(5):449-68.
- Derijks HJ, Janknegt R, Heerdink ER, De Koning FH, Krekels MM, Looij BJ, Egberts AC. Influence of antidepressant use on glycemic control in patients with diabetes mellitus: an open-label comparative study. J Clin Psychopharmacol. 2009 Aug;29(4):405-8.
- Wurglics M, Schubert-Zsilavecz M.Hypericum perforatum: a 'modern' herbal antidepressant: pharmacokinetics of active ingredients. Clin Pharmacokinet. 2006;45(5):449-68.
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