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Seasonal Allergic RhinitisNCT01660698

Immune-modulatory Effect of Probiotic Strain on Grass Pollen Allergic Individuals

A study testing Maltodextrin and Probiotic in people with Seasonal Allergic Rhinitis, run by Société des Produits Nestlé (SPN) at 1 site in Switzerland.

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

The purpose of the current study is to evaluate the effect of administering a probiotic strain on allergic symptoms and immune parameters (Th-2 cytokines, effector cells) in seasonal allergic rhinitis subjects. Read more about this study

Who is it for?
Ages 20 to 65 years
Conditions the study is for
Seasonal Allergic Rhinitis
What is being tested?
Maltodextrin and Probiotic
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
20 participants
Where
1 siteSwitzerland
Study dates
May 2011to Jan 2012
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 20 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Confirmed allergy (allergic rhinitis) to grass pollen > 1 year and positive SPT > 3mm wheal diameter to grass pollen.
  • Age 20-65 years adults
  • Body Mass Index 19- 29 (people in the normal and overweight range)
  • Having obtained his/her informed consent.

Who cannot join

  • Anemia
  • Family history of congenital immunodeficiency
  • Regular consumption of immunosuppressive or anti-inflammatory treatment
  • Under medication against allergy (e.g. anti histaminic)
  • Avoid regular consumption of probiotic and other dietary nutritional interventions
  • Have a high alcohol consumption (more than 1 drink/day)
Show all 10Show fewer
  • Consumption of illicit drugs
  • Pregnancy
  • Subject who cannot be expected to comply with the study procedures, including consuming the test products
  • Currently participating or having participated in another clinical trial during the last 4 weeks prior to the beginning of this study

Trial locations and contacts

1 site in 1 country.

Switzerland1 site
  • Metabolic Unit, Nestlé Research Center

    Lausanne, Canton of Vaud, 1000

Other trials in Switzerland

About this study

Official title: Immune-modulatory Effect of Candidate Probiotic Strain on Whole Blood Cells of Grass Pollen Allergic Individuals

The purpose of the current study is to evaluate the effect of administering a probiotic strain on allergic symptoms and immune parameters (Th-2 cytokines, effector cells) in seasonal allergic rhinitis subjects.

Read the detailed description

To identify immune markers in allergic individuals that are impacted by probiotic treatment during seasonal exposure

Being tested
Maltodextrin, Probiotic
Medical subject headings
Rhinitis, Allergic, Seasonal

What participants receive

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

  • MaltodextrinDietary supplement

    maltodextrin powder

  • ProbioticDietary supplement

    probiotic blended in maltodextrin powder

Study groups in NCT01660698
Study groupRoleWhat they receive
PlaceboPlacebo comparatormaltodextrin powder
Receives: Dietary Supplement: Maltodextrin
ProbioticActive comparatorprobiotic blended in maltodextrin
Receives: Dietary Supplement: Probiotic

What is being measured

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

  1. Comparison of Th2 Cytokines (IL-13) Between Placebo and Probiotic Groups at Baseline (Beginning of Product Intake), 4 Weeks (Mid Period of Product Intake) and 8 Weeks (End of Product Intake)

    A maximum of 10 ml heparinized, venous blood will be collected during Visit 1, 2 and 3. Whole blood cells will be cultured for 120 hours (5 days) with culture medium with different stimuli. Cell supernatants will be collected and analyzed for different cytokines.

    Measured: 0 (baseline), 1 and 2 months

  2. Comparison of Th2 Cytokines (IL-5) Between Placebo and Probiotic Groups at Baseline (Beginning of Product Intake), 4 Weeks (Mid Period of Product Intake) and 8 Weeks (End of Product Intake)

    A maximum of 10 ml heparinized, venous blood will be collected during Visit 1, 2 and 3. Whole blood cells will be cultured for 120 hours (5 days) with culture medium with different stimuli. Cell supernatants will be collected and analyzed for different cytokines.

    Measured: 0 (baseline), 1, and 2 months

Secondary outcomes (4)
  1. Comparison Between Probiotic and Placebo at Baseline (Beginning of Product Intake), 1 Month and 2 Months (End of Product Intake)

    TNSS Questionnaire were distributed at every visit (1 questionnaire for every week). The scored questionnaire were collected at subsequent visits. The symptom scores for nasal congestion, runny nose, nasal itching and sneezing were expressed as weekly sums (scale 0-3 for each symptom). The TNSS was the weekly sum for all the symptoms (scale 0-12). The TNSS data were analyzed as both monthly averages (at V2 and V3 compared to baseline V1) and weekly TNSS scores. Monthly TNSS scores were calculated as average over the 4 weeks preceding the visits. The higher the score is, the worse the outcome is.

    Measured: Measures at baseline, 1, and 2 months

  2. Change From Baseline in Pro-inflammatory Cytokines (TNF-alpha, IL-1beta) at 8 Weeks in ex Vivo Stimulated Whole Blood Cells

    Measured: 8 weeks

  3. Change From Baseline in Immunoglobulin Levels in Serum Between Treatment Groups

    Measured: 8 weeks

  4. Change From Baseline in Basophil Activation at 8 Weeks in ex Vivo Stimulated Whole Blood Cells

    Measured: 8 weeks

Timeline

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

  1. First posted9 Aug 2012 (estimated)
  2. Study startMay 2011
  3. Primary completionAug 2011
  4. Study completionJan 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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
20 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01660698
Sponsor's protocol ID
11.03.MET
Status last verified
Jul 2013
First submitted
2 Aug 2012
Last updated
12 Jul 2013
Data monitoring committee
Yes

Publications

  • Singh A, Hacini-Rachinel F, Gosoniu ML, Bourdeau T, Holvoet S, Doucet-Ladeveze R, Beaumont M, Mercenier A, Nutten S. Immune-modulatory effect of probiotic Bifidobacterium lactis NCC2818 in individuals suffering from seasonal allergic rhinitis to grass pollen: an exploratory, randomized, placebo-controlled clinical trial. Eur J Clin Nutr. 2013 Feb;67(2):161-7. doi: 10.1038/ejcn.2012.197. Epub 2013 Jan 9.

    PubMed 23299716

Questions about this trial

What is this clinical trial studying?

A study testing Maltodextrin and Probiotic in people with Seasonal Allergic Rhinitis, run by Société des Produits Nestlé (SPN) at 1 site in Switzerland.

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 10 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 12 Jul 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 Switzerland. 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?

Yes. Results are posted in the registry (first posted 12 Jul 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Comparison of Th2 Cytokines (IL-13) Between Placebo and Probiotic Groups at Baseline (Beginning of Product Intake), 4 Weeks (Mid Period of Product Intake) and 8 Weeks (End of Product Intake) (time frame: 0 (baseline), 1 and 2 months). The study lists 2 primary outcomes in all. 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 NCT01660698, 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 12 Jul 2013.

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