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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT06137209
Registration number
NCT06137209
Ethics application status
Date submitted
5/11/2023
Date registered
18/11/2023
Titles & IDs
Public title
Colonization of Skin by M. Luteus Q24 Probiotic
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Scientific title
Assessment of Colonisation and Skin Quality Parameter Improvement by Probiotic Micrococcus Luteus Q24 Serum in Healthy Adults
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Secondary ID [1]
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BLTCT2022/10
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Microbial Colonization
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Condition category
Condition code
Infection
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Studies of infection and infectious agents
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Infection
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Other infectious diseases
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Infection
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Sexually transmitted infections
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Other interventions - Active Comparator: Study Group A: Blis Q24 Serum at higher dose
Other interventions - Active Comparator: Study Group B: Blis Q24 Serum at lower dose
Active comparator: Study Group A: Blis Q24 Serum at 1e7 cfu/ dose (Active) - Group A: Probiotic Micrococcus luteus Q24 serum (dose: 1e7 colony forming units per application)
Active comparator: Study Group B: Blis Q24 Serum at 1e6 cfu/ dose (Active) - Group B: Probiotic Micrococcus luteus Q24 serum (dose: 1e6 colony forming units per application)
Other interventions: Active Comparator: Study Group A: Blis Q24 Serum at higher dose
Active Comparator: Study Group A: Blis Q24 Serum at 1e7 cfu/ dose (Active)
Other interventions: Active Comparator: Study Group B: Blis Q24 Serum at lower dose
Active Comparator: Study Group B: Blis Q24 Serum at 1e6 cfu/ dose (Active)
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Intervention code [1]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in microbial composition following application of 1e7 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 11 days
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Assessment method [1]
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Study will determine the change in microbial composition following the application of 1e7 cfu per dose serum containing Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data from baseline to 11 days across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using bacterial genome sequence analysis of the skin swab samples collected.
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Timepoint [1]
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Time Frame: 11 days post intervention
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Primary outcome [2]
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Change in skin quality parameters following application of 1e7 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 11 days
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Assessment method [2]
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Study will determine the change in skin quality parameters following the application of 1e7 cfu per dose serum containing Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin quality data from baseline to 11 days across one site with a level of significance of p\<0.05. Overall skin quality data based on percentage of population will also be analyzed using appropriate statistical analysis software. Analysis will be performed using a portable handheld skin analyzer device that measures key cosmetic parameters such as hydration, pores, spots and wrinkles.
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Timepoint [2]
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Time Frame: 11 days post intervention
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Primary outcome [3]
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Change in microbial composition following application of 1e6 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 11 days
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Assessment method [3]
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Study will determine the change in microbial composition following the application of 1e6 cfu per dose serum containing Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data from baseline to 11 days across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using bacterial genome sequence analysis of the skin swab samples collected.
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Timepoint [3]
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Time Frame: 11 days post intervention
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Primary outcome [4]
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Change in skin quality parameters following application of 1e6 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 11 days
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Assessment method [4]
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Study will determine the change in skin quality parameters following the application of 1e6 cfu per dose serum containing Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin quality data from baseline to 11 days across one site with a level of significance of p\<0.05. Overall skin quality data based on percentage of population will also be analyzed using appropriate statistical analysis software. Analysis will be performed using a portable handheld skin analyzer device that measures key cosmetic parameters such as hydration, pores, spots and wrinkles.
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Timepoint [4]
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Time Frame: 11 days post intervention
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Primary outcome [5]
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Change in microbial composition following application of 1e7 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 30 days
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Assessment method [5]
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Study will determine the change in microbial composition following the application of a serum containing 1e7 cfu per dose of Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data from baseline to 30 days across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using bacterial genome sequence analysis of the skin swab samples collected.
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Timepoint [5]
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Time Frame: 30 days post intervention
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Primary outcome [6]
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Change in skin quality parameters following application of 1e7 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 30 days
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Assessment method [6]
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Study will determine the change in skin quality parameters following the application of 1e7 cfu per dose serum containing Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin quality data from baseline to 30 days across one site with a level of significance of p\<0.05. Overall skin quality data based on percentage of population will also be analyzed using appropriate statistical analysis software. Analysis will be performed using a portable handheld skin analyzer device that measures key cosmetic parameters such as hydration, pores, spots and wrinkles.
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Timepoint [6]
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Time Frame: 30 days post intervention
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Primary outcome [7]
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Change in microbial composition following application of 1e6 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 30 days
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Assessment method [7]
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Study will determine the change in microbial composition following the application of a serum containing 1e6 cfu per dose of Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data from baseline to 30 days across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using bacterial genome sequence analysis of the skin swab samples collected.
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Timepoint [7]
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Time Frame: 30 days post intervention
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Primary outcome [8]
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Change in skin quality parameters following application of 1e6 cfu per dose Micrococcus luteus Q24 in serum from Day 0 (baseline) to 30 days
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Assessment method [8]
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Study will determine the change in skin quality parameters following the application of 1e6 cfu per dose serum containing Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin quality data from baseline to 30 days across one site with a level of significance of p\<0.05. Overall skin quality data based on percentage of population will also be analyzed using appropriate statistical analysis software. Analysis will be performed using a portable handheld skin analyzer device that measures key cosmetic parameters such as hydration, pores, spots and wrinkles.
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Timepoint [8]
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Time Frame: 30 days post intervention
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Primary outcome [9]
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Change in microbial composition post 7 days of last application of 1e7 cfu of Micrococcus luteus Q24 in serum.
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Assessment method [9]
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Study will determine the change in microbial composition following the application of a serum containing 1e7 cfu per dose of Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data at Day 37 (i.e. post 7 days from last application) across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using bacterial genome sequence analysis of the skin swab samples collected.
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Timepoint [9]
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Time Frame: 7 days post last intervention
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Primary outcome [10]
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Change in skin quality parameters post 7 days of last application of 1e7 cfu of Micrococcus luteus Q24 in serum.
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Assessment method [10]
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Study will determine the change in skin quality parameters following the application of a serum containing 1e7 cfu per dose of Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data at Day 37 (i.e. post 7 days from last application) across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using a portable handheld skin analyzer device that measures key cosmetic parameters such as hydration, pores, spots and wrinkles.
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Timepoint [10]
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Time Frame: 7 days post last intervention
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Primary outcome [11]
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Change in microbial composition post 7 days of last application of 1e6 cfu of Micrococcus luteus Q24 in serum.
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Assessment method [11]
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Study will determine the change in microbial composition following the application of a serum containing 1e6 cfu per dose of Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data at Day 37 (i.e. post 7 days from last application) across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using bacterial genome sequence analysis of the skin swab samples collected.
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Timepoint [11]
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Time Frame: 7 days post last intervention
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Primary outcome [12]
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Change in skin quality parameters post 7 days of last application of 1e6 cfu of Micrococcus luteus Q24 in serum.
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Assessment method [12]
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Study will determine the change in skin quality parameters following the application of a serum containing 1e6 cfu per dose of Micrococcus luteus Q24 serum at one body site (face). The statistical analysis will be carried out to compare the participants skin swab data at Day 37 (i.e. post 7 days from last application) across one site with a level of significance of p\<0.05. Overall colonization based on percentage of population colonized for different interventions will also be analyzed using appropriate statistical analysis software. Analysis will be performed using a portable handheld skin analyzer device that measures key cosmetic parameters such as hydration, pores, spots and wrinkles.
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Timepoint [12]
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Time Frame: 7 days post last intervention
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Eligibility
Key inclusion criteria
Inclusion criteria:
1. In general good health 18 - 80 years of age.
2. Practice good general body hygiene.
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Minimum age
18
Years
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Maximum age
80
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Exclusion criteria:
1. Have a history of autoimmune disease or are immunocompromised (have a weakened immune system).
2. Are on concurrent antibiotic therapy or regular antibiotic use within the last 1 week.
3. People with allergies or sensitivity to dairy.
4. People with an open wound on the Blis Q24 application sites.
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Study design
Purpose of the study
Other
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
2/10/2023
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
15/03/2024
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Actual
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Sample size
Target
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Accrual to date
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Final
20
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Otago
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
BLIS Technologies Limited
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to evaluate the skin quality improvement and colonization efficacy following the application of probiotic Micrococcus luteus Q24 (BLIS Q24) to the face from a serum format in healthy adults.
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Trial website
https://clinicaltrials.gov/study/NCT06137209
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Trial related presentations / publications
van Rensburg JJ, Lin H, Gao X, Toh E, Fortney KR, Ellinger S, Zwickl B, Janowicz DM, Katz BP, Nelson DE, Dong Q, Spinola SM. The Human Skin Microbiome Associates with the Outcome of and Is Influenced by Bacterial Infection. mBio. 2015 Sep 15;6(5):e01315-15. doi: 10.1128/mBio.01315-15. Bourdichon F, Casaregola S, Farrokh C, Frisvad JC, Gerds ML, Hammes WP, Harnett J, Huys G, Laulund S, Ouwehand A, Powell IB, Prajapati JB, Seto Y, Ter Schure E, Van Boven A, Vankerckhoven V, Zgoda A, Tuijtelaars S, Hansen EB. Food fermentations: microorganisms with technological beneficial use. Int J Food Microbiol. 2012 Mar 15;154(3):87-97. doi: 10.1016/j.ijfoodmicro.2011.12.030. Epub 2011 Dec 31. Erratum In: Int J Food Microbiol. 2012 Jun 1;156(3):301.
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Data and information in the protocol and the clinical study report will be shared to other researchers and/or in publications in due course.
Supporting document/s available: Study protocol, Clinical study report (CSR)
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When will data be available (start and end dates)?
Study report 3 months after completion of the study.
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Available to whom?
Summary study report will be shared by the Principal Investigator upon request if not published in public literature.
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Available for what types of analyses?
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How or where can data be obtained?
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT06137209