Hypericum: Difference between revisions
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In [[complementary and alternative medicine]], '''hypericum''', also called '''St John's wort''' may have medicinal purposes. | In [[complementary and alternative medicine]], '''hypericum''', also called '''St John's wort''' may have medicinal purposes. | ||
==Pharmacology== | ==Pharmacology== | ||
A component of hypericum, hyperforin, may act as a serotonin uptake inhibitor.<ref name="pmid15231048">{{cite journal| author=Schulte-Löbbert S, Holoubek G, Müller WE, Schubert-Zsilavecz M, Wurglics M| title=Comparison of the synaptosomal uptake inhibition of serotonin by St John's wort products. | journal=J Pharm Pharmacol | year= 2004 | volume= 56 | issue= 6 | pages= 813-8 | pmid=15231048 | doi=10.1211/0022357023493 | pmc= | url= }} </ref> | A component of hypericum, hyperforin, may act as a serotonin uptake inhibitor.<ref name="pmid15231048">{{cite journal| author=Schulte-Löbbert S, Holoubek G, Müller WE, Schubert-Zsilavecz M, Wurglics M| title=Comparison of the synaptosomal uptake inhibition of serotonin by St John's wort products. | journal=J Pharm Pharmacol | year= 2004 | volume= 56 | issue= 6 | pages= 813-8 | pmid=15231048 | doi=10.1211/0022357023493 | pmc= | url= }} </ref> Taking hypericum with conventional [[selective serotonin reuptake inhibitor]]s (i.e., second-generation antidepressants, which also increase serotonin levels, have resulted in the complication of [[serotonin syndrome]]. It may, however, be lower in cardiac risk than some [[tricyclic antidepressant]]s such as [[imipramine]]. There are also potential interactions with [[oral contraceptive]]s, [[digoxin]], [[warfarin]], | ||
[[cyclosporin]] or [[indinavir]].<ref>{{citation | |||
| url = http://www.aapainmanage.org/literature/PainPrac/V10N3_Marinelli_UpdateInPM.pdf | |||
| title = Hypericum Perforatum: An Update in Pain Management | |||
| publisher = American Academy of Pain Management | |||
| author = Rick Marinelli | |||
}}</ref> | |||
==Clinical purposes== | ==Clinical purposes== | ||
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==References== | ==References== | ||
{{reflist|2}} | |||
Revision as of 19:13, 23 January 2011
In complementary and alternative medicine, hypericum, also called St John's wort may have medicinal purposes.
Pharmacology
A component of hypericum, hyperforin, may act as a serotonin uptake inhibitor.[1] Taking hypericum with conventional selective serotonin reuptake inhibitors (i.e., second-generation antidepressants, which also increase serotonin levels, have resulted in the complication of serotonin syndrome. It may, however, be lower in cardiac risk than some tricyclic antidepressants such as imipramine. There are also potential interactions with oral contraceptives, digoxin, warfarin, cyclosporin or indinavir.[2]
Clinical purposes
Hypericum may help treat mild depression.[3]
One randomized controlled trial found no benefit[4], whereas a subsequent trial using a higher dose of hypericum (900 mg/day hypericum extract three times a day) found benefit[5].
References
- ↑ Schulte-Löbbert S, Holoubek G, Müller WE, Schubert-Zsilavecz M, Wurglics M (2004). "Comparison of the synaptosomal uptake inhibition of serotonin by St John's wort products.". J Pharm Pharmacol 56 (6): 813-8. DOI:10.1211/0022357023493. PMID 15231048. Research Blogging.
- ↑ Rick Marinelli, Hypericum Perforatum: An Update in Pain Management, American Academy of Pain Management
- ↑ Geddes J, Butler R, Hatcher S, Cipriani A, Price J, Carney S et al. (2006). "Depression in adults.". Clin Evid (15): 1366-406. PMID 16973054. [e]
- ↑ Hypericum Depression Trial Study Group (2002). "Effect of Hypericum perforatum (St John's wort) in major depressive disorder: a randomized controlled trial.". JAMA 287 (14): 1807-14. PMID 11939866. [e] Review in: Evid Based Ment Health. 2002 Nov;5(4):111
- ↑ Szegedi A, Kohnen R, Dienel A, Kieser M (2005). "Acute treatment of moderate to severe depression with hypericum extract WS 5570 (St John's wort): randomised controlled double blind non-inferiority trial versus paroxetine.". BMJ 330 (7490): 503. DOI:10.1136/bmj.38356.655266.82. PMID 15708844. PMC PMC552808. Research Blogging. Review in: Evid Based Ment Health. 2005 Nov;8(4):107