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Microbial ColonizationNCT05375396

Microbial Colonization of Dairy Free Oral Probiotics

A study testing Streptococcus salivarius M18 lozenges and Streptococcus salivarius M18 dairy free lozenges in people with Microbial Colonization, run by John Hale at 1 site in New Zealand.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The aim of this study is to evaluate the colonization efficacy of probiotic lozenges containing dairy and dairy free probiotic Streptococcus salivarius M18, in healthy adults Read more about this study

Who is it for?
Ages 18 to 80 yearsHealthy volunteers can take part
Conditions the study is for
Microbial Colonization
What is being tested?
Streptococcus salivarius M18 lozenges and Streptococcus salivarius M18 dairy free lozenges
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteNew Zealand
Study dates
1 Jun 2022to 1 Aug 2022
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 18 to 80 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Male or Female 18y - 80y age
  • In general good health 18 - 80 years of age.
  • Practice good oral hygiene.

Who cannot join

  • Have a history of autoimmune disease or are immunocompromised.
  • Are on concurrent antibiotic therapy or regular antibiotic use within last 1 week
  • History of allergy (e.g. dairy).

Trial locations and contacts

1 site in 1 country.

John D Hale, PhD contact

+6434740988

john.hale@blis.co.nz

Rohit Jain, PhD contact

+6434740988

rohit.jain@blis.co.nz

New Zealand1 site, 1 recruiting
  • Blis Technologies Ltd

    Dunedin, Otago, 9012

    John D Hale, PhD, +6434740988, john.hale@blis.co.nz

    Recruiting

Other trials in New Zealand

About this study

Official title: Assessment of Colonization of Dairy Free Probiotic Bacterium Streptococcus Salivarius From Lozenges to the Oral Cavity

The aim of this study is to evaluate the colonization efficacy of probiotic lozenges containing dairy and dairy free probiotic Streptococcus salivarius M18, in healthy adults

Read the detailed description

This is a double-blind, randomized controlled colonization pilot study with no cross over to evaluate the colonization efficacy of two different lozenges containing either dairy or dairy free probiotic bacteria Streptococcus salivarius M18.

Participants will be randomly assigned to one of the 2 groups consuming probiotic lozenge containing dairy free Streptococcus salivarius M18 or dairy based Streptococcus salivarius M18 over a seven day period. Saliva samples will be collected at predetermined time points pre and post intervention. Colonization efficacy will be determined by enumerating the probiotic in the saliva samples using standard microbiological techniques.

Being tested
Streptococcus salivarius M18 lozenges, Streptococcus salivarius M18 dairy free lozenges
Keywords
Streptococcus salivarius M18, dairy free, allergen free, probiotic, microbial colonization, oral probiotic, chewable tablet
Medical subject headings
Communicable Diseases

What participants receive

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

  • Streptococcus salivarius M18 lozengesDietary supplement

    In this study, a lozenge formulation containing dairy based S. salivarius M18 will be evaluated for its potential of delivering probiotic Streptococcus salivarius M18 to the oral cavity.

  • Streptococcus salivarius M18 dairy free lozengesDietary supplement

    In this study, a lozenge formulation containing dairy free S. salivarius M18 will be evaluated for its potential of delivering probiotic Streptococcus salivarius M18 to the oral cavity.

Study groups in NCT05375396
Study groupRoleWhat they receive
Streptococcus salivarius M18 lozengesActive comparatorStreptococcus salivarius M18 lozenges containing dairy based Streptococcus salivarius M18
Receives: Dietary Supplement: Streptococcus salivarius M18 lozenges
Streptococcus salivarius M18 dairy free lozengesActive comparatorStreptococcus salivarius M18 lozenges containing dairy free Streptococcus salivarius M18
Receives: Dietary Supplement: Streptococcus salivarius M18 dairy free lozenges

What is being measured

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

  1. Change in microbial colonization of S. salivarius M18 from Day 0 (baseline) to 1 hour

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 1 hour post intervention

  2. Change in microbial colonization of S. salivarius M18 from Day 0 (baseline) to 8 hours

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 8 hour post intervention

  3. Change in microbial colonization of S. salivarius M18 from Day 0 (baseline) to 24 hours

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 24 hours post intervention

  4. Change in microbial colonization of S. salivarius M18 from Day 0 (baseline) to 48hours

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 48 hours post intervention

  5. Change in microbial colonization of dairy free S. salivarius M18 from Day 0 (baseline) to 1 hour

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 1 hour post intervention

  6. Change in microbial colonization of dairy free S. salivarius M18 from Day 0 (baseline) to 8 hour

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 8 hour post intervention

  7. Change in microbial colonization of dairy free S. salivarius M18 from Day 0 (baseline) to 24 hour

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 24 hour post intervention

  8. Change in microbial colonization of dairy free S. salivarius M18 from Day 0 (baseline) to 48 hour

    Study will determine the change in microbial colonization efficacy of dairy based Streptococcus salivarius M18 in a Lozenge format. The saliva Statistical analysis (e.g. Students t-test) will be carried out to compare the participants data from baseline to one hour after later across two different formulations with the level of significance of p≤0.05.Overall colonization based on percentage of population colonized for different interventions will also be analyzed average and standard deviation functions using appropriate statistical analysis software (e.g. Microsoft Excel).

    Measured: 48 hour post intervention

Timeline

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

  1. First posted16 May 2022
  2. Study start1 Jun 2022 (estimated)
  3. Primary completion1 Jul 2022 (estimated)
  4. Study completion1 Aug 2022 (estimated)

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
Model description
Probiotic Streptococcus salivarius M18 lozenges Probiotics dairy free Streptococcus salivarius M18 lozenges
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
30 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05375396
Sponsor's protocol ID
BLTCT2022/4
Status last verified
May 2022
First submitted
11 May 2022
Last updated
16 May 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Data and information included in the Protocol and Clinical Study Report will be shared to other researchers and/or in publications in due course.

Publications

  • Di Pierro F, Zanvit A, Nobili P, Risso P, Fornaini C. Cariogram outcome after 90 days of oral treatment with Streptococcus salivarius M18 in children at high risk for dental caries: results of a randomized, controlled study. Clin Cosmet Investig Dent. 2015 Oct 3;7:107-13. doi: 10.2147/CCIDE.S93066. eCollection 2015.

    PubMed 26491371
  • Bardellini E, Amadori F, Gobbi E, Ferri A, Conti G, Majorana A. Does Streptococcus Salivarius Strain M18 Assumption Make Black Stains Disappear in Children? Oral Health Prev Dent. 2020 Apr 3;18(2):161-164. doi: 10.3290/j.ohpd.a43359.

    PubMed 32099975
  • Burton JP, Wescombe PA, Macklaim JM, Chai MH, Macdonald K, Hale JD, Tagg J, Reid G, Gloor GB, Cadieux PA. Persistence of the oral probiotic Streptococcus salivarius M18 is dose dependent and megaplasmid transfer can augment their bacteriocin production and adhesion characteristics. PLoS One. 2013 Jun 13;8(6):e65991. doi: 10.1371/journal.pone.0065991. Print 2013.

    PubMed 23785463
  • Burton JP, Drummond BK, Chilcott CN, Tagg JR, Thomson WM, Hale JDF, Wescombe PA. Influence of the probiotic Streptococcus salivarius strain M18 on indices of dental health in children: a randomized double-blind, placebo-controlled trial. J Med Microbiol. 2013 Jun;62(Pt 6):875-884. doi: 10.1099/jmm.0.056663-0. Epub 2013 Feb 28.

    PubMed 23449874

Questions about this trial

What is this clinical trial studying?

A study testing Streptococcus salivarius M18 lozenges and Streptococcus salivarius M18 dairy free lozenges in people with Microbial Colonization, run by John Hale at 1 site in New Zealand.

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 3 inclusion and 3 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: status not confirmed, as of the sponsor's last update on 16 May 2022. 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 New Zealand. 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. 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?

Results are not available in the source record.

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

Contact John D Hale, PhD (+6434740988, john.hale@blis.co.nz), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in microbial colonization of S. salivarius M18 from Day 0 (baseline) to 1 hour (time frame: 1 hour post intervention). The study lists 8 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 NCT05375396, which also lists 4 linked publications.

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 16 May 2022.

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