NCT05729659

Brief Summary

The aim of the present clinical study is to estimate the efficacy of a Sideritis Scardica extract (SidTea+), derived from the Greek mountain Taygetos, in regulating antioxidant and health biomarkers in healthy adults.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Feb 2023

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 16, 2023

Completed
1 month until next milestone

First Posted

Study publicly available on registry

February 15, 2023

Completed
Same day until next milestone

Study Start

First participant enrolled

February 15, 2023

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 25, 2023

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2023

Completed
Last Updated

December 14, 2023

Status Verified

December 1, 2023

Enrollment Period

3 months

First QC Date

January 16, 2023

Last Update Submit

December 7, 2023

Conditions

Keywords

SideritisExtractAntioxidantsOxidative stressHealth

Outcome Measures

Primary Outcomes (15)

  • Change in glutathione concentration

    Glutathione concentration will be analyzed in erythrocytes

    Change from baseline to 1 month

  • Change in catalase activity

    Catalase activity will be analyzed in erythrocytes

    Change from baseline to 1 month

  • Change in total antioxidant capacity

    Total antioxidant capacity will be analyzed in serum

    Change from baseline to 1 month

  • Change in thiobarbituric acid reactive substances concentration

    Thiobarbituric acid reactive substances concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in protein carbonyls concentration

    Protein carbonyls will be analyzed in plasma

    Change from baseline to 1 month

  • Change in glucose concentration

    Glucose concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in cholesterol concentration

    Cholesterol concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in triglycerides concentration

    triglycerides concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in high-density lipoprotein concentration

    High-density lipoprotein concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in bilirubin concentration

    Bilirubin concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in lactate dehydrogenase concentration

    Lactate dehydrogenase concentration will be analyzed in plasma

    Change from baseline to 1 month

  • Change in serum glutamic-oxaloacetic transaminase concentration

    Serum glutamic-oxaloacetic transaminase will be analyzed in serum

    Change from baseline to 1 month

  • Change in gamma-glutamyl transpeptidase concentration

    Gamma-glutamyl transpeptidase concentration will be analyzed in serum

    Change from baseline to 1 month

  • Change in creatinine concentration

    Creatinine concentration will be analyzed in serum

    Change from baseline to 1 month

  • Change in uric acid concentration

    Uric acid concentration will be analyzed in serum

    Change from baseline to 1 month

Secondary Outcomes (11)

  • Change in handgrip strength

    Change from baseline to 1 month

  • Change in estimated maximal oxygen consumption (eVO2max)

    Change from baseline to 1 month

  • Change in body weight

    Change from baseline to 1 month

  • Change in body fat

    Change from baseline to 1 month

  • Change in resting heart rate

    Change from baseline to 1 month

  • +6 more secondary outcomes

Study Arms (2)

Sideritis Scardica (SidTea+) extract

EXPERIMENTAL

Sideritis Scardica (SidTea+) extract will be administered to participants in this arm.

Dietary Supplement: Sideritis Scardica (SidTea+) extract supplementation

Placebo

PLACEBO COMPARATOR

Placebo will be administered to participants in this arm.

Dietary Supplement: Placebo supplementation

Interventions

1500 mg of Sideritis Scardica (SidTea+) extract per day, divided into 3 equal doses of 500 mg (every 8 hours) for a total duration of 1 month

Sideritis Scardica (SidTea+) extract
Placebo supplementationDIETARY_SUPPLEMENT

1500 mg of placebo per day, divided into 3 equal doses of 500 mg (every 8 hours) for a total duration of 1 month

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy Individuals aged 18-65 years

You may not qualify if:

  • Musculoskeletal injury
  • Dietary supplements
  • Medication

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Exercise Biochemistry, Physiology and Nutrition Laboratory, Department of Physical Education and Sport Science, University of Thessaly

Trikala, Thessaly, 42150, Greece

Location

Related Publications (3)

  • Tsaknis J, Lalas S. Extraction and identification of natural antioxidant from Sideritis euboea (mountain tea). J Agric Food Chem. 2005 Aug 10;53(16):6375-81. doi: 10.1021/jf0479261.

    PMID: 16076121BACKGROUND
  • Gabrieli CN, Kefalas PG, Kokkalou EL. Antioxidant activity of flavonoids from Sideritis raeseri. J Ethnopharmacol. 2005 Jan 15;96(3):423-8. doi: 10.1016/j.jep.2004.09.031. Epub 2004 Nov 6.

    PMID: 15619561BACKGROUND
  • Yao LH, Jiang YM, Shi J, Tomas-Barberan FA, Datta N, Singanusong R, Chen SS. Flavonoids in food and their health benefits. Plant Foods Hum Nutr. 2004 Summer;59(3):113-22. doi: 10.1007/s11130-004-0049-7.

    PMID: 15678717BACKGROUND

MeSH Terms

Conditions

Hyperlipidemias

Condition Hierarchy (Ancestors)

DyslipidemiasLipid Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Study Officials

  • Athanasios Z. Jamurtas, Professor

    University of Thessaly

    STUDY DIRECTOR
  • Konstantinos Papanikolaou, PhD

    University of Thessaly

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

January 16, 2023

First Posted

February 15, 2023

Study Start

February 15, 2023

Primary Completion

May 25, 2023

Study Completion

October 1, 2023

Last Updated

December 14, 2023

Record last verified: 2023-12

Data Sharing

IPD Sharing
Will not share

Locations