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Hypericum Perforatum: Pharmacokinetic, Mechanism of Action, Tolerability, and Clinical Drug-Drug Interactions

Hypericum Perforatum: Pharmacokinetic, Mechanism of Action, Tolerability, and Clinical Drug-Drug Interactions

Emilio Russo, Francesca Scicchitano, Benjamin J Whalley, Carmela Mazzitello, Miriam Ciriaco, Stefania Esposito, Marinella Patanè, Roy Upton, Michela Pugliese, Serafina Chimirri, Maria Mammì, Caterina Palleria, etc.

Phytother Res. 2014 May;28(5):643-55.

PMID: 23897801

Abstract:

Hypericum perforatum (HP) belongs to the Hypericaceae family and is one of the oldest used and most extensively investigated medicinal herbs. The medicinal form comprises the leaves and flowering tops of which the primary ingredients of interest are naphthodianthrones, xanthones, flavonoids, phloroglucinols (e.g. hyperforin), and hypericin. Although several constituents elicit pharmacological effects that are consistent with HP's antidepressant activity, no single mechanism of action underlying these effects has thus far been found. Various clinical trials have shown that HP has a comparable antidepressant efficacy as some currently used antidepressant drugs in the treatment of mild/moderate depression. Interestingly, low-hyperforin-content preparations are effective in the treatment of depression. Moreover, HP is also used to treat certain forms of anxiety. However, HP can induce various cytochrome P450s isozymes and/or P-glycoprotein, of which many drugs are substrates and which are the main origin of HP-drug interactions. Here, we analyse the existing evidence describing the clinical consequence of HP-drug interactions. Although some of the reported interactions are based on findings from in vitro studies, the clinical importance of which remain to be demonstrated, others are based on case reports where causality can, in some cases, be determined to reveal clinically significant interactions that suggest caution, consideration, and disclosure of potential interactions prior to informed use of HP.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP11079531	Hyperforin		11079-53-1	Price

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