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Each record is a registered study, a systematic-review registration or a publication. A registered or ongoing study is not a finding, and animal or cell research does not show an effect in people. The same study can appear under more than one subject, so the number of records is not a count of independent studies. You can also search an exact DOI, PubMed ID, NCT or CRD number. How to read these records.

12 study records (showing up to 30 per record type)

• Registered trial NCT05744453 Completed (results not assessed here)
  The Effect of 12-week Supplementation With Olive Leaf Extract in Postmenopausal Women (FEMMED)
  Condition or outcome area: Post-Menopausal Women
  2023-02-07 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Registered trial NCT05915767 Completed (results not assessed here)
  Therapeutic Effect of Olive Leaf Tea on SIBO
  Condition or outcome area: Small Intestinal Bacterial Overgrowth|Gastrointestinal Disorder, Functional
  2023-06-01 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Registered trial NCT05482373 Not completed: Recruiting
  Adjuvant Treatment in Elderly Patients With Periodontitis Through the Administration of a Supplement Rich in Oleuropein From the Olive Leaf
  Condition or outcome area: Periodontitis
  2021-04-15 · Subject: Oleuropein; (Z)-methyl 4-(2-(3,4-dihydroxyphenethoxy)-2-oxoethyl)-3-ethylidene-2-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)-3,4-dihydro-2H-pyran-5-carboxylate; 32619-42-4; (4S,5Z,6R)-4-[2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl]-5-ethylidene-6-[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-2-oxanyl]oxy]-4H-pyran-3-carboxylic acid methyl ester; methyl (4S,5Z,6R)-4-[2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxo-ethyl]-5-ethylidene-6-[(2S,3R,4S,5S,6R)-3,4,5 · open the ingredient record · ClinicalTrials.gov
• Registered trial NCT02990637 Completed (results not assessed here)
  The Effect of Olive Leaf Extract Administration on Cardiovascular Health
  Condition or outcome area: Overweight and Obesity|Elevated Cholesterol
  2016-06 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Registered trial NCT05222347 Completed (results not assessed here)
  Immunomodulatory and Preventive Effects of Olive Leaf Tea Against COVID-19
  Condition or outcome area: Immunomodulation
  2020-09-01 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Registered trial NCT01479699 Completed (results not assessed here)
  Absorption and Metabolism of Olive Leaf Extract and Its Effect on Vascular Reactivity and Cytokine Concentrations
  Condition or outcome area: Absorption and Metabolism|Effect on Vascular Function|Effect on Cytokine Concentrations
  2011-06 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Registered trial NCT02421835 Completed (results not assessed here)
  Olive Leaf Extract as Part of a Healthy Lifestyle in the Reduction of Blood Pressure
  Condition or outcome area: Pre Hypertension
  2013-04 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Registered trial NCT01796561 Completed (results not assessed here)
  The Effect of Olive Leaf Extract on Blood Pressure in Overweight Prehypertensives
  Condition or outcome area: Hypertension
  2013-02 · Subject: You Gan Lan; 油橄榄; Common Olive; Olea Europaea · open the herb record · ClinicalTrials.gov
• Systematic review registration CRD42022375615 Registered protocol, no results here: Review Ongoing
  Olive leaf oleuropein effects in metabolism: a systematic review of randomized controlled trials
  Condition or outcome area: Studies that assess specific health conditions will be evaluated. This means studies that assess the improvement in the performance of one or more health markers associated with the consumption of oleuropein or OLE. Therefore, studies that evaluate the improvement in blood glucose levels (pre and post prandial glucose and insulin), plasma lipids (LDL, HDL and total cholesterol) and inflammatory markers (cytokine production).
  2022-11-28 · Subject: Oleuropein; 32619-42-4; Oleoeuropein; oleoeuropeine; EINECS 251-129-6; UNII-2O4553545L; OLEUROPEIN [MI]; OLEUROPEIN [VANDF]; OLEUROPEIN [USP-RS]; OLEUROPEIN [WHO-DD] · open the ingredient record
• Systematic review registration CRD42019129083 Registered protocol, no results here: Review Completed published
  Association between olive leaf oleuropein and cardiovascular diseases: a systematic review
  2019-05-08 · Subject: Oleuropein; 32619-42-4; Oleoeuropein; oleoeuropeine; EINECS 251-129-6; UNII-2O4553545L; OLEUROPEIN [MI]; OLEUROPEIN [VANDF]; OLEUROPEIN [USP-RS]; OLEUROPEIN [WHO-DD] · open the ingredient record
• Publication PMID 33260769 Research model: Animal Experiment
  Olive Leaf Extract, from Olea europaea L., Reduces Palmitate-Induced Inflammation via Regulation of Murine Macrophages Polarization
  Condition or outcome area: chronic low-grade inflammation; tumor; obesity-related inflammation; obesity; Obesity
  Nutrients · 2020 · Subject: Qi Dun Guo; 齐墩果; Olea Europaea L.; Olea Europaea · open the herb record · DOI 10.3390/nu12123663
• Publication PMID 33098170 Research model: Animal Experiment
  Olive leaf extract attenuates adriamycin-induced focal segmental glomerulosclerosis in spontaneously hypertensive rats via suppression of oxidative stress, hyperlipidemia, and fibrosis
  Condition or outcome area: chronic kidney disease; interstitial inflammation; renal injury; glomerulosclerosis; hyperlipidemia; fibrosis; focal segmental glomerulosclerosis
  Phytother Res · 2021 · Subject: Qi Dun Guo; 齐墩果; Olea Europaea L.; Olea Europaea · open the herb record · DOI 10.1002/ptr.6920