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40 studies found for:    hypericum perforatum
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Rank Status Study
1 Completed Sertraline Compared With Hypericum Perforatum (St.John's Wort) in Treating Depression
Conditions: Depression;   Unspecified Adult Solid Tumor, Protocol Specific
Interventions: Drug: Zoloft 50 mg;   Dietary Supplement: St. John's Wort 600 mg
2 Terminated
Has Results
St. John's Wort in Relieving Hot Flashes in Postmenopausal Women With Non-Metastatic Breast Cancer
Conditions: Breast Cancer;   Hot Flashes
Intervention: Drug: St. John's Wort
3 Completed Effects of St. John's Wort on the Effectiveness of Oral Contraceptives
Condition: Contraception
Intervention: Drug: hypericum perforatum
4 Completed
Has Results
A Placebo-Controlled Trial of St. John's Wort for Irritable Bowel Syndrome
Condition: Irritable Bowel Syndrome
Interventions: Drug: St. John's wort;   Drug: Placebo
5 Completed
Has Results
St. John's Wort for Tobacco Cessation
Conditions: Smoking;   Nicotine Dependence
Interventions: Drug: Placebo;   Drug: St. John's Wort-900 mg/day;   Drug: St. John's Wort-1800mg/day
6 Completed St. John's Wort for the Treatment of Generalized Social Anxiety Disorder (GSAD)
Conditions: Anxiety Disorders;   Mental Health
Intervention: Drug: Hypericum perforatum (St. John's wort)
7 Withdrawn Docetaxel and St. John's Wort in Treating Patients With Solid Tumors That Cannot Be Removed By Surgery
Conditions: Adult Solid Tumor;   Breast Cancer;   Head and Neck Cancer;   Kidney and Urinary Cancer;   Male Reproductive Cancer;   Thorax and Respiratory Cancer
Interventions: Drug: Hypericum perforatum;   Drug: docetaxel;   Other: placebo
8 Completed St. John's Wort in the Treatment of Raynaud's Phenomenon
Condition: Raynaud's Disease
Interventions: Drug: St. John's Wort;   Drug: Lactose
9 Completed
Has Results
Effects of St. John's Wort on the Oral Contraceptive Hormone Levonorgestrel
Condition: Contraception
Interventions: Dietary Supplement: Placebo Control (Placebo Herb);   Dietary Supplement: St. John's Wort;   Drug: Levonorgestrel
10 Completed
Has Results
Influence of CYP3A4-induction by St. John's Wort on the Steady State Pharmacokinetics of Bosentan
Condition: VA Drug Interactions [VA Drug Interaction]
Intervention: Drug: St. Johns Wort
11 Completed Neuroimaging of St. John's Wort-Induced Changes of Serotonin Metabolism in Normal Subjects
Conditions: Healthy;   Mood Disorder
Intervention: Drug: Hypericum (LI-160)
12 Completed Treatment of Major Depression With St. John's Wort (Hypericum)
Condition: Major Depression
Interventions: Drug: Sertraline;   Drug: Hypericum perforatum (St. John's wort)
13 Completed Does the Natural Medicinal Plant St John's Wort Affect the Glucose Tolerance in Healthy Individuals
Condition: Type 2 Diabetes
Intervention: Other: St John's wort
14 Completed St. John's Wort Versus Placebo in Social Phobia
Condition: Phobic Disorders
Intervention: Drug: St. John’s Wort
15 Completed Pilot Pharmacokinetic Study of a Prolonged-release Formulation of St. John's Wort Extract Ze 117
Condition: Healthy
Interventions: Drug: St. John's wort prolonged-release tablet 500 mg;   Drug: St. John's wort film coated tablets 250 mg
16 Completed
Has Results
Influence of Cytochrome CYP3A4-induction by St. John's Wort on the Steady State Pharmacokinetics of Ambrisentan
Condition: VA Drug Interactions [VA Drug Interaction]
Intervention: Drug: St. Johns wort
17 Terminated Pharmacodynamic Study on Efficacy of Clopidogrel With St. John's Wort
Condition: Acute Coronary Syndrome
Interventions: Drug: Placebo;   Drug: St. Johns Wort
18 Completed St. John’s Wort Vs. Placebo in Obsessive-Compulsive Disorder.
Condition: Obsessive Compulsive Disorder
Intervention: Drug: St. John’s Wort
19 Completed Interaction Between St John's Wort and Metformin?
Conditions: Type 2 Diabetes;   Depression
Interventions: Other: St John's Wort;   Drug: Metformin
20 Completed Drug Interaction Study of Tegretol (Carbamazepine) and St. John's Wort in Normal Volunteers
Condition: Healthy
Intervention: Drug: St. John's Wort

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Study has passed its completion date and status has not been verified in more than two years.