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Oxidative StressNCT01474629

Probiotic Sport Study

A study testing probiotic-based dietary supplement in people with Oxidative Stress and Inflammation, run by Green Beat at 1 site in Austria.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

We investigate the impact of a probiotic-based dietary supplement on oxidative stress and endotoxemia before and after strenuous exercise. Hypotheses (H1): Supplementation has an influence on oxidative stress parameters before and post exercise Supplementation has an influence on parameters of endotoxemia and… Read more about this study

Who is it for?
Ages 30 to 45 years, men onlyHealthy volunteers can take part
Conditions the study is for
Oxidative Stress, Inflammation, Endotoxemia
What is being tested?
probiotic-based dietary supplement
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
24 participants
Where
1 siteAustria
Study dates
Oct 2011to Sep 2012
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 30 to 45 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • trained men
  • 30 - 45 years
  • non-smokers
  • 4wk wash out of all dietary supplements

Who cannot join

  • untrained people (VO2max < 55 ml x kg-1)
  • female
  • all people not matching this age group
  • smokers
  • all men taking dietary supplements
  • all men that fail in ergometric exercise eligibility testing, refering to the standards in sports medicine (e.g.: significant ST-decrease or increase, blood pressure > 240 mmHg, tachycardia, polymorphic extrasystolia, cyanosis, bradyarrhythmia..)
  • all people that are not adjudged as "Healthy"

Trial locations and contacts

1 site in 1 country.

Austria1 site
  • Medical University of Graz

    Graz, 8010

Other trials in Austria

About this study

Official title: Impact of Supplementation With Probiotics on Exercise-induced Oxidative Stress and Endotoxemia in Trained Men

We investigate the impact of a probiotic-based dietary supplement on oxidative stress and endotoxemia before and after strenuous exercise.

Hypotheses (H1):

  • Supplementation has an influence on oxidative stress parameters before and post exercise
  • Supplementation has an influence on parameters of endotoxemia and inflammation before and post exercise
  • Strenuous exercise has an influence on parameters of oxidative stress, inflammation and endotoxemia
Being tested
probiotic-based dietary supplement, placebo
Keywords
oxidative stress, inflammation, endotoxemia, strenuous exercise
Medical subject headings
Inflammation, Endotoxemia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • probiotic-based dietary supplementDietary supplement

    Also called active group

    24 trained men receive a probiotic-based dietary supplement for 16 weeks. Dosage 3x 10-9 per day

  • placeboDietary supplement

    Also called passive group

    24 trained men receive a placebo for 16 weeks with same dosage compared to active group

Study groups in NCT01474629
Study groupRoleWhat they receive
probiotic-based dietary supplementActive comparatorNot described
Receives: Dietary Supplement: probiotic-based dietary supplement
placeboPlacebo comparatorNot described
Receives: Dietary Supplement: placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. markers of oxidative stress, endotoxemia and inflammation

    Measured: 6 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Nov 2011 (estimated)
  2. Study startOct 2011
  3. Primary completionMar 2012
  4. Study completionSep 2012

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
24 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01474629
Sponsor's protocol ID
23-509 ex 10/11
Status last verified
Apr 2013
First submitted
16 Nov 2011
Last updated
10 Apr 2013
Results posted
No
Data monitoring committee
Yes

Publications

  • Lamprecht M, Bogner S, Schippinger G, Steinbauer K, Fankhauser F, Hallstroem S, Schuetz B, Greilberger JF. Probiotic supplementation affects markers of intestinal barrier, oxidation, and inflammation in trained men; a randomized, double-blinded, placebo-controlled trial. J Int Soc Sports Nutr. 2012 Sep 20;9(1):45. doi: 10.1186/1550-2783-9-45.

    PubMed 22992437

Questions about this trial

What is this clinical trial studying?

A study testing probiotic-based dietary supplement in people with Oxidative Stress and Inflammation, run by Green Beat at 1 site in Austria.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 10 Apr 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Austria. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

markers of oxidative stress, endotoxemia and inflammation (time frame: 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01474629, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Apr 2013.

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