caffeine has been researched along with hypericum in 6 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 6 (100.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Gorski, JC; Hall, SD; Hamman, MA; Huang, SM; Lesko, LJ; Wang, Z | 1 |
| Krähenbühl, S; Todesco, L; Wenk, M | 1 |
| Abd El-Aty, AM; An, W; Chen, GL; Li, Q; Li, Z; Liu, J; Tang, ZR; Wang, D; Wang, LS; Wu, J; Zhou, G; Zhou, HH; Zhu, B | 1 |
| Arold, G; Bauer, S; Diefenbach, K; Donath, F; Friede, M; Henneicke-von Zepelin, HH; Maurer, A; Roots, I | 1 |
| Ang, CY; Cui, Y; Gardner, SF; Gentry, WB; Gurley, BJ; Hubbard, MA; Williams, DK | 1 |
| Coskun, I; Kayir, H; Ozturk, N; Ozturk, Y; Uzbay, IT | 1 |
4 trial(s) available for caffeine and hypericum
| Article | Year |
|---|---|
The effects of St John's wort (Hypericum perforatum) on human cytochrome P450 activity.
Topics: Administration, Oral; Adult; Area Under Curve; Aryl Hydrocarbon Hydroxylases; Biological Availability; Caffeine; Cytochrome P-450 CYP3A; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 Enzyme System; Dextromethorphan; Dietary Supplements; Drug Interactions; Enzyme Induction; Female; Humans; Hypericum; Injections, Intravenous; Isoenzymes; Male; Midazolam; Oxidoreductases, N-Demethylating; Plant Extracts; Tolbutamide | 2001 |
The influence of St John's Wort on CYP2C19 activity with respect to genotype.
Topics: Adult; Aryl Hydrocarbon Hydroxylases; Caffeine; Cross-Over Studies; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2C19; Genotype; Humans; Hypericum; Male; Mephenytoin; Mixed Function Oxygenases; Plant Extracts; Polymorphism, Genetic | 2004 |
No relevant interaction with alprazolam, caffeine, tolbutamide, and digoxin by treatment with a low-hyperforin St John's wort extract.
Topics: Adult; Alprazolam; Anti-Anxiety Agents; Area Under Curve; Caffeine; Cardiotonic Agents; Central Nervous System Stimulants; Digoxin; Double-Blind Method; Drug Interactions; Female; Humans; Hypericum; Hypoglycemic Agents; Male; Middle Aged; Phytotherapy; Plant Extracts; Tolbutamide; Treatment Outcome | 2005 |
Clinical assessment of effects of botanical supplementation on cytochrome P450 phenotypes in the elderly: St John's wort, garlic oil, Panax ginseng and Ginkgo biloba.
Topics: Administration, Oral; Aged; Allyl Compounds; Caffeine; Chlorzoxazone; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 Enzyme System; Dietary Supplements; Drug Administration Schedule; Female; Ginkgo biloba; Herb-Drug Interactions; Humans; Hypericum; Isoenzymes; Male; Midazolam; Panax; Phenotype; Plant Preparations; Sulfides | 2005 |
2 other study(ies) available for caffeine and hypericum
| Article | Year |
|---|---|
Effect of St John's wort on the activities of CYP1A2, CYP3A4, CYP2D6, N-acetyltransferase 2, and xanthine oxidase in healthy males and females.
Topics: Adult; Arylamine N-Acetyltransferase; Caffeine; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2D6; Cytochrome P-450 CYP3A; Cytochrome P-450 Enzyme System; Female; Humans; Hydrocortisone; Hypericum; Male; Middle Aged; Xanthine Oxidase | 2004 |
Extract of Hypericum perforatum blocks caffeine-induced locomotor activity in mice: a possible role of nitric oxide.
Topics: Animals; Arginine; Caffeine; Hypericum; Male; Mice; Motor Activity; Nitric Oxide; Nitric Oxide Synthase; Plant Extracts | 2007 |