Bioavailability of Hydroxytyrosol From Olive Watery Extract Supplements
1 other identifier
interventional
13
1 country
1
Brief Summary
The aim of this cross-over study is to assess the bioavailability of hydroxytyrosol in healthy males after the intake of two olive watery extract supplements and one olive oil. Blood and urine samples will be collected before and after intake of the investigational products. Sample will be analysed regarding the level of hydroxytyrosol and preventing lipid peroxidation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started May 2021
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 3, 2021
CompletedFirst Posted
Study publicly available on registry
May 6, 2021
CompletedStudy Start
First participant enrolled
May 10, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 2, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
July 2, 2021
CompletedJuly 14, 2021
July 1, 2021
2 months
May 3, 2021
July 13, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Bioavailability of hydroxytyrosol in urine
The primary objective is the bioavailability of hydroxytyrosol and its derivatives from both food supplements (OliPhenolia® bitter and OliPhenolia®) in urine when compared to extra virgin olive oil.
-2 hrs to IP intake, 0 to 30 min, 30 to 60 min, 60 to 90 min, 90 to 120 min, 120 to 240 min and +4h to +12h
Bioavailability of hydroxytyrosol in blood
The primary objective is the bioavailability of hydroxytyrosol and its derivatives from both food supplements (OliPhenolia® bitter and OliPhenolia®) in urine when compared to extra virgin olive oil.
5 min. before IP intake, 30, 60, 90, 120, 240 min and 12 h
Secondary Outcomes (2)
Oxidative damages to lipids in blood
5 min. before IP intake, 30, 60, 90, 120, 240 min and 12 h
changes in F2alpha-isoprostanes in urine
-2 hrs to IP intake, 0 to 30 min, 30 to 60 min, 60 to 90 min, 90 to 120 min, 120 to 240 min and +4h to +12h
Study Arms (3)
Group A
ACTIVE COMPARATORGroup A will receive Oliphenolia® bitter on intervention visit 1 followed by Oliphenolia® on intervention visit 2 and followed by La Vialla Extra Virgin Olive Oil with 5 mg hydroxytyrosol on the third and final intervention visit
Group B
ACTIVE COMPARATORGroup B will receive Oliphenolia® on intervention visit 1 followed by La Vialla Extra Virgin Olive Oil with 5 mg hydroxytyrosol on intervention visit 2 and followed by Oliphenolia® bitter on the third and final intervention visit
Group C
ACTIVE COMPARATORGroup C will receive La Vialla Extra Virgin Olive Oil with 5 mg hydroxytyrosol on intervention visit 1 followed by Oliphenolia® bitter on intervention visit 2 and followed by Oliphenolia® on the third and final intervention visit
Interventions
* ingredients: concentrated watery extract of olives 94%, lemon juice 6% * 35 mg hydroxytyrosol, 0,24 mg Oleuropein
* ingredients: grape juice concentrate 70%, concentrated watery extract of olives 30% * 38 mg hydroxytyrosol, 0,28 mg Oleuropein
* extra virgin olive oil * 5 mg hydroxytyrosol
Eligibility Criteria
You may qualify if:
- Self-reported healthy men aged 21-50,
- subject has an adequate understanding of the study and signs the informed consent to participate in the study,
- willingness to follow dietary and physical activity restrictions during study participation,
- body mass index range: \>18.5 and \<29.9 kg/m2.
You may not qualify if:
- Any known allergies to IPs (olives and their derivates),
- any acute and chronic diseases (e.g. diagnosis of diabetes mellitus, hypertension, dyslipidemia or other cardiometabolic disorders, diagnosed hepatic, renal, or cardiovascular disease),
- any kind of eating disorders,
- not fluent in German,
- any previous (last 14 days prior to screening) and any ongoing pharmacological therapy (e.g. any medication, vaccination, infusion),
- any intake of nutritional supplements,
- any known addiction to drugs and/or alcohol,
- smoker,
- Investigator or physician doubts truthfulness of self-reported health information.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Daacrolead
- ISTITUTO KURZ ITALIA S.R.L.collaborator
- Institut Kurz GmbHcollaborator
- Fattoria La Vialla di Gianni, Antonio e Bandino Lo Franco Soc. Agr. Sempl.collaborator
Study Sites (1)
daacro GmbH & Co. KG
Trier, Rhineland-Palatinate, 54296, Germany
Related Publications (12)
D'Angelo S, Manna C, Migliardi V, Mazzoni O, Morrica P, Capasso G, Pontoni G, Galletti P, Zappia V. Pharmacokinetics and metabolism of hydroxytyrosol, a natural antioxidant from olive oil. Drug Metab Dispos. 2001 Nov;29(11):1492-8.
PMID: 11602527BACKGROUNDCaruso D, Visioli F, Patelli R, Galli C, Galli G. Urinary excretion of olive oil phenols and their metabolites in humans. Metabolism. 2001 Dec;50(12):1426-8. doi: 10.1053/meta.2001.28073.
PMID: 11735087BACKGROUNDCovas MI, Nyyssonen K, Poulsen HE, Kaikkonen J, Zunft HJ, Kiesewetter H, Gaddi A, de la Torre R, Mursu J, Baumler H, Nascetti S, Salonen JT, Fito M, Virtanen J, Marrugat J; EUROLIVE Study Group. The effect of polyphenols in olive oil on heart disease risk factors: a randomized trial. Ann Intern Med. 2006 Sep 5;145(5):333-41. doi: 10.7326/0003-4819-145-5-200609050-00006.
PMID: 16954359BACKGROUNDCovas MI, de la Torre R, Fito M. Virgin olive oil: a key food for cardiovascular risk protection. Br J Nutr. 2015 Apr;113 Suppl 2:S19-28. doi: 10.1017/S0007114515000136.
PMID: 26148918BACKGROUNDde Bock M, Thorstensen EB, Derraik JG, Henderson HV, Hofman PL, Cutfield WS. Human absorption and metabolism of oleuropein and hydroxytyrosol ingested as olive (Olea europaea L.) leaf extract. Mol Nutr Food Res. 2013 Nov;57(11):2079-85. doi: 10.1002/mnfr.201200795. Epub 2013 Jun 14.
PMID: 23766098BACKGROUNDHohmann CD, Cramer H, Michalsen A, Kessler C, Steckhan N, Choi K, Dobos G. Effects of high phenolic olive oil on cardiovascular risk factors: A systematic review and meta-analysis. Phytomedicine. 2015 Jun 1;22(6):631-40. doi: 10.1016/j.phymed.2015.03.019. Epub 2015 Apr 20.
PMID: 26055128BACKGROUNDKarkovic Markovic A, Toric J, Barbaric M, Jakobusic Brala C. Hydroxytyrosol, Tyrosol and Derivatives and Their Potential Effects on Human Health. Molecules. 2019 May 24;24(10):2001. doi: 10.3390/molecules24102001.
PMID: 31137753BACKGROUNDMateos R, Martinez-Lopez S, Baeza Arevalo G, Amigo-Benavent M, Sarria B, Bravo-Clemente L. Hydroxytyrosol in functional hydroxytyrosol-enriched biscuits is highly bioavailable and decreases oxidised low density lipoprotein levels in humans. Food Chem. 2016 Aug 15;205:248-56. doi: 10.1016/j.foodchem.2016.03.011. Epub 2016 Mar 4.
PMID: 27006237BACKGROUNDMiro-Casas E, Covas MI, Fito M, Farre-Albadalejo M, Marrugat J, de la Torre R. Tyrosol and hydroxytyrosol are absorbed from moderate and sustained doses of virgin olive oil in humans. Eur J Clin Nutr. 2003 Jan;57(1):186-90. doi: 10.1038/sj.ejcn.1601532.
PMID: 12548315BACKGROUNDSuarez M, Valls RM, Romero MP, Macia A, Fernandez S, Giralt M, Sola R, Motilva MJ. Bioavailability of phenols from a phenol-enriched olive oil. Br J Nutr. 2011 Dec;106(11):1691-701. doi: 10.1017/S0007114511002200. Epub 2011 Jun 21.
PMID: 21736768BACKGROUNDVisioli F, Galli C, Bornet F, Mattei A, Patelli R, Galli G, Caruso D. Olive oil phenolics are dose-dependently absorbed in humans. FEBS Lett. 2000 Feb 25;468(2-3):159-60. doi: 10.1016/s0014-5793(00)01216-3.
PMID: 10692578BACKGROUNDVisioli F, Galli C, Grande S, Colonnelli K, Patelli C, Galli G, Caruso D. Hydroxytyrosol excretion differs between rats and humans and depends on the vehicle of administration. J Nutr. 2003 Aug;133(8):2612-5. doi: 10.1093/jn/133.8.2612.
PMID: 12888646BACKGROUND
MeSH Terms
Interventions
Study Officials
- PRINCIPAL INVESTIGATOR
Juliane Hellhammer, PhD
Daacro
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, OUTCOMES ASSESSOR
- Masking Details
- Participants and the laboratory will be blinded. Laboratory staff will be unblinded after samples are being analysed. Participants will be unblinded after study end.
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- NETWORK
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 3, 2021
First Posted
May 6, 2021
Study Start
May 10, 2021
Primary Completion
July 2, 2021
Study Completion
July 2, 2021
Last Updated
July 14, 2021
Record last verified: 2021-07
Data Sharing
- IPD Sharing
- Will not share