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A Four-Week Study to Measure the Effectiveness of an Experimental Mouthwash Used After Teeth Cleaning

Determination of Anti-Plaque and Anti-Gingivitis Efficacy of One Experimental Mouthrinse Following a Baseline Oral Prophylaxis: A Four Week Study

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01462110
Enrollment
87
Registered
2011-10-31
Start date
2011-11-01
Completion date
2011-12-02
Last updated
2020-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dental Plaque

Keywords

Gingivitis, Microorganisms

Brief summary

This study will test the idea that using an experimental mouth rinse after each time you brush your teeth will result in a healthier mouth than using the regular mouth rinse. Participants will be expected to avoid oral hygiene (like brushing teeth or using mouthwash) for at least 12 hours before each visit and will not be allowed to eat, drink or smoke for at least 4 hours before each visit. At the first visit, the study will be explained to you in detail and you will be allowed to ask any questions you may have before signing a consent form. You will complete a medical/dental history and the dentist will examine your mouth, during which he will poke your gums and scrape some plaque off your teeth for testing. If you do not meet the requirements to continue in the trial, you will be told that you do not need to return for more testing. If you meet requirements to continue, you will have an equal chance of being assigned to use either of the two mouth rinses being studied. You will be given a diary, toothbrush, toothpaste, and your assigned mouth rinse, with instructions on how they must be used. You will be instructed not to use any unassigned oral care products and to follow your usual eating habits. You will be given appointments to return two times within the next four weeks. At those visits, the staff will check to make sure you're following the instructions and ask how you're feeling, and the dentist will do the same thing he did during the first visit.

Detailed description

The primary objective of this randomized, double-blind, single-center, controlled, parallel-designed clinical study is to determine the efficacy of an experimental mouth rinse on whole-mouth mean plaque and gingivitis scores as an adjunct to brushing after four weeks of use. The secondary objectives will be to determine the efficacy of the an experimental mouth rinse as an adjunct to brushing on whole-mouth mean plaque and gingivitis measured at 2 weeks as well as a bleeding assessment according to the Bleeding Index at 2 and 4 weeks. A microbiological assessment will be performed to identify and quantify specific oral microbes to assess any change in population.

Interventions

DEVICE19416-154-1

0.15% ethyl lauroyl arginate HCl-containing mouthrinse

DEVICEW002194-0221P

5% hydroalcohol mouthrinse

Sponsors

Johnson & Johnson Consumer and Personal Products Worldwide
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Males and females at least 18 years of age and in good general health. * Must display adequate oral hygiene (i.e., brush teeth daily and exhibit no signs of oral neglect). * Volunteers must read, sign, and receive a copy of the Informed Consent Form after the nature of the study has been fully explained. * Must be willing to use the products according to instructions and be available for appointments. * Baseline dental measurements meet protocol-specified criteria. * Willingness to refrain from using all oral hygiene procedures within 12-18 hours prior to each visit. * Refrain from eating, drinking or smoking for four hours prior to each visit.

Exclusion criteria

* Lip, tongue, or other form of oral piercing. * Fixed or removable orthodontic appliance (such as bridges, braces or dentures). * Pregnancy or breast-feeding at any time during the trial. * Any medical, dental or psychiatric condition, abnormality or history, or use of any product or drug, that (per protocol or in the opinion of the investigator) may increase the risk to the subject associated with trial participation or investigational product administration, or interfere with the interpretation of trial results.

Design outcomes

Primary

MeasureTime frameDescription
Whole-mouth Mean Modified Gingival Index (MGI)4 weeksGingivitis was assessed by scoring inflammation on a 0-4 scale, according to the Modified Gingival Index (MGI) where 0=Normal and 4=Severe Inflammation.
Whole-mouth Mean Plaque Index (PI)4 weeksPlaque was assessed on a scale of 0-5 using the Turesky modification of the Quigley-Hein Plaque Index, where 0=No plaque and 5=Plaque covering 2/3 or more of surface.

Secondary

MeasureTime frameDescription
Whole-mouth Mean Bleeding Index (BI)2 WeeksBleeding after periodontal probe was assessed by scores on a scale of 0-2 using the Gingival Bleeding Index (BI), where 0=Absence of Bleeding after 30 Seconds and 2=Immediate Bleeding.
Whole-mouth Mean Modified Gingival Index (MGI)2 weeksGingivitis was assessed by scoring inflammation on a 0-4 scale, according to the Modified Gingival Index, where 0=Normal and 4=Severe Inflammation.
Microbiological Assessments - LOG Counts4 weeksAn assay (a checkerboard DNA-DNA hybridization) was conducted to estimate the number of bacterial cells in collected plaque samples. First, the bacterial cells were lysed (split open) in solution. DNA from the bacteria was then detected using fluorescent probes for different bacterial species. The sensitivity of the assay was 10\^4 cells and failure to detect a signal was recorded as zero. Signals were converted to log counts by comparison with the fluorescent signal of standards of known concentrations. The following hybridized categories of bacteria were analyzed: * Actinomyces species * Purple complex * Yellow complex * Green complex * Orange complex * Red complex * Other species
Microbiological Assessments - Absolute Counts4 weeksAn assay (a checkerboard DNA-DNA hybridization) was conducted to estimate the number of bacterial cells in collected plaque samples. First, the bacterial cells were lysed (split open) in solution. DNA from the bacteria was then detected using fluorescent probes for different bacterial species. The sensitivity of the assay was 10\^4 cells and failure to detect a signal was recorded as zero. Signals were converted to absolute counts by comparison with the fluorescent signal of standards of known concentrations. The following hybridized categories of bacteria were analyzed: * Actinomyces species * Purple complex * Yellow complex * Green complex * Orange complex * Red complex * Other species
Whole-mouth Mean Plaque Index (PI)2 WeeksPlaque was assessed on a scale of 0-5 using the Turesky modification of the Quigley-Hein Plaque Index, where 0=No plaque and 5=Plaque covering 2/3 or more of surface.

Countries

United States

Participant flow

Participants by arm

ArmCount
5% Hydroalcohol Mouthrinse
Brush teeth as usual, followed immediately by rinsing with 20 mL of assigned 5% hydroalcohol mouthrinse (W002194-0221P) for 30 seconds - repeat twice daily for four weeks.
44
0.15% Ethyl Lauroyl Arginate HCl-containing Mouthrinse
Brush teeth as usual, followed immediately by rinsing with 20 mL of assigned 0.15% ethyl lauroyl arginate HCl-containing mouthrinse (19415-154-1) for 30 seconds - repeat twice daily for four weeks.
43
Total87

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event10

Baseline characteristics

CharacteristicTotal0.15% Ethyl Lauroyl Arginate HCl-containing Mouthrinse5% Hydroalcohol Mouthrinse
Age, Continuous34.8 years
STANDARD_DEVIATION 9.26
34.0 years
STANDARD_DEVIATION 8.05
35.6 years
STANDARD_DEVIATION 10.35
Ethnicity (NIH/OMB)
Hispanic or Latino
11 Participants6 Participants5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
76 Participants37 Participants39 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Gingival Bleeding Index - Whole Mouth0.133 Units on a scale
STANDARD_DEVIATION 0.062
0.129 Units on a scale
STANDARD_DEVIATION 0.0634
0.137 Units on a scale
STANDARD_DEVIATION 0.0614
Mean Plaque Index - Whole Mouth2.961 Units on a scale
STANDARD_DEVIATION 0.257
2.926 Units on a scale
STANDARD_DEVIATION 0.2866
2.996 Units on a scale
STANDARD_DEVIATION 0.2222
Microbiological Assessments - Absolute Counts
Actinomyces species
3.262 10^5 bacterial cells
STANDARD_DEVIATION 1.7747
3.319 10^5 bacterial cells
STANDARD_DEVIATION 1.8306
3.206 10^5 bacterial cells
STANDARD_DEVIATION 1.7377
Microbiological Assessments - Absolute Counts
Green complex
7.421 10^5 bacterial cells
STANDARD_DEVIATION 7.7653
6.841 10^5 bacterial cells
STANDARD_DEVIATION 6.5277
7.988 10^5 bacterial cells
STANDARD_DEVIATION 8.8495
Microbiological Assessments - Absolute Counts
Orange complex
5.089 10^5 bacterial cells
STANDARD_DEVIATION 3.6089
4.923 10^5 bacterial cells
STANDARD_DEVIATION 3.6457
5.252 10^5 bacterial cells
STANDARD_DEVIATION 3.6072
Microbiological Assessments - Absolute Counts
Other species
7.486 10^5 bacterial cells
STANDARD_DEVIATION 6.1477
7.322 10^5 bacterial cells
STANDARD_DEVIATION 6.2088
7.646 10^5 bacterial cells
STANDARD_DEVIATION 6.1549
Microbiological Assessments - Absolute Counts
Purple complex
2.194 10^5 bacterial cells
STANDARD_DEVIATION 1.5193
2.181 10^5 bacterial cells
STANDARD_DEVIATION 1.888
2.207 10^5 bacterial cells
STANDARD_DEVIATION 1.7989
Microbiological Assessments - Absolute Counts
Red complex
1.574 10^5 bacterial cells
STANDARD_DEVIATION 0.8165
1.509 10^5 bacterial cells
STANDARD_DEVIATION 0.8192
1.638 10^5 bacterial cells
STANDARD_DEVIATION 0.8182
Microbiological Assessments - Absolute Counts
Yellow complex
2.467 10^5 bacterial cells
STANDARD_DEVIATION 1.9664
2.535 10^5 bacterial cells
STANDARD_DEVIATION 1.5893
2.400 10^5 bacterial cells
STANDARD_DEVIATION 2.2929
Microbiological Assessments - LOG Counts
Actinomyces species
5.425 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3298
5.440 LOG counts of bacterial cells
STANDARD_DEVIATION 0.2935
5.410 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3647
Microbiological Assessments - LOG Counts
Green complex
5.689 LOG counts of bacterial cells
STANDARD_DEVIATION 0.4123
5.660 LOG counts of bacterial cells
STANDARD_DEVIATION 0.4038
5.717 LOG counts of bacterial cells
STANDARD_DEVIATION 0.4232
Microbiological Assessments - LOG Counts
Orange complex
5.593 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3352
5.583 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3226
5.603 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3506
Microbiological Assessments - LOG Counts
Other species
5.739 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3575
5.722 LOG counts of bacterial cells
STANDARD_DEVIATION 0.366
5.756 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3524
Microbiological Assessments - LOG Counts
Purple complex
5.234 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3563
5.255 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3107
5.213 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3985
Microbiological Assessments - LOG Counts
Red complex
5.130 LOG counts of bacterial cells
STANDARD_DEVIATION 0.2596
5.110 LOG counts of bacterial cells
STANDARD_DEVIATION 0.2584
5.149 LOG counts of bacterial cells
STANDARD_DEVIATION 0.2624
Microbiological Assessments - LOG Counts
Yellow complex
5.275 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3351
5.302 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3284
5.249 LOG counts of bacterial cells
STANDARD_DEVIATION 0.3433
Modified Gingival Index - Whole Mouth2.184 Units on a scale
STANDARD_DEVIATION 0.106
2.172 Units on a scale
STANDARD_DEVIATION 0.1132
2.196 Units on a scale
STANDARD_DEVIATION 0.0989
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants1 Participants0 Participants
Race (NIH/OMB)
Asian
6 Participants3 Participants3 Participants
Race (NIH/OMB)
Black or African American
23 Participants9 Participants14 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
8 Participants4 Participants4 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
49 Participants26 Participants23 Participants
Sex: Female, Male
Female
53 Participants30 Participants23 Participants
Sex: Female, Male
Male
34 Participants13 Participants21 Participants
Smokeless Tabacco Use
No
86 Participants43 Participants43 Participants
Smokeless Tabacco Use
Yes
1 Participants0 Participants1 Participants
Smoker
No
77 Participants37 Participants40 Participants
Smoker
Yes
10 Participants6 Participants4 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 440 / 43
other
Total, other adverse events
0 / 440 / 43
serious
Total, serious adverse events
1 / 440 / 43

Outcome results

Primary

Whole-mouth Mean Modified Gingival Index (MGI)

Gingivitis was assessed by scoring inflammation on a 0-4 scale, according to the Modified Gingival Index (MGI) where 0=Normal and 4=Severe Inflammation.

Time frame: 4 weeks

Population: Intent to treat population was analyzed; one subject discontinued from the study prior to Week 4.

ArmMeasureValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseWhole-mouth Mean Modified Gingival Index (MGI)2.199 Units on a scaleStandard Deviation 0.0934
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseWhole-mouth Mean Modified Gingival Index (MGI)1.948 Units on a scaleStandard Deviation 0.1548
p-value: <0.00195% CI: [-0.276, -0.192]ANCOVA
Primary

Whole-mouth Mean Plaque Index (PI)

Plaque was assessed on a scale of 0-5 using the Turesky modification of the Quigley-Hein Plaque Index, where 0=No plaque and 5=Plaque covering 2/3 or more of surface.

Time frame: 4 weeks

Population: Intent to treat population was analyzed; one subject discontinued from the study prior to Week 4.

ArmMeasureValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseWhole-mouth Mean Plaque Index (PI)2.922 Units on a scaleStandard Deviation 0.1953
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseWhole-mouth Mean Plaque Index (PI)1.634 Units on a scaleStandard Deviation 0.5724
p-value: <0.00195% CI: [-1.392, -1.071]ANCOVA
Secondary

Microbiological Assessments - Absolute Counts

An assay (a checkerboard DNA-DNA hybridization) was conducted to estimate the number of bacterial cells in collected plaque samples. First, the bacterial cells were lysed (split open) in solution. DNA from the bacteria was then detected using fluorescent probes for different bacterial species. The sensitivity of the assay was 10\^4 cells and failure to detect a signal was recorded as zero. Signals were converted to absolute counts by comparison with the fluorescent signal of standards of known concentrations. The following hybridized categories of bacteria were analyzed: * Actinomyces species * Purple complex * Yellow complex * Green complex * Orange complex * Red complex * Other species

Time frame: 4 weeks

Population: Intent to treat population was analyzed; one subject discontinued from the study prior to Week 4.

ArmMeasureGroupValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsYellow complex1.050 10^5 bacterial cellsStandard Deviation 0.8595
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsOrange complex3.562 10^5 bacterial cellsStandard Deviation 3.1562
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsPurple complex0.910 10^5 bacterial cellsStandard Deviation 0.9723
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsRed complex1.346 10^5 bacterial cellsStandard Deviation 1.0472
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsGreen complex4.530 10^5 bacterial cellsStandard Deviation 3.8225
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsOther Species4.471 10^5 bacterial cellsStandard Deviation 3.9108
5% Hydroalcohol MouthrinseMicrobiological Assessments - Absolute CountsActinomyces species1.868 10^5 bacterial cellsStandard Deviation 1.5514
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsOther Species3.385 10^5 bacterial cellsStandard Deviation 2.3474
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsActinomyces species1.847 10^5 bacterial cellsStandard Deviation 1.2609
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsPurple complex0.663 10^5 bacterial cellsStandard Deviation 0.6454
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsYellow complex1.018 10^5 bacterial cellsStandard Deviation 0.7001
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsGreen complex3.174 10^5 bacterial cellsStandard Deviation 2.4853
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsOrange complex3.602 10^5 bacterial cellsStandard Deviation 2.4298
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - Absolute CountsRed complex1.111 10^5 bacterial cellsStandard Deviation 0.6017
Secondary

Microbiological Assessments - LOG Counts

An assay (a checkerboard DNA-DNA hybridization) was conducted to estimate the number of bacterial cells in collected plaque samples. First, the bacterial cells were lysed (split open) in solution. DNA from the bacteria was then detected using fluorescent probes for different bacterial species. The sensitivity of the assay was 10\^4 cells and failure to detect a signal was recorded as zero. Signals were converted to log counts by comparison with the fluorescent signal of standards of known concentrations. The following hybridized categories of bacteria were analyzed: * Actinomyces species * Purple complex * Yellow complex * Green complex * Orange complex * Red complex * Other species

Time frame: 4 weeks

Population: Intent to treat population was analyzed; one subject discontinued from the study prior to Week 4.

ArmMeasureGroupValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsYellow complex4.882 LOG counts of bacterial cellsStandard Deviation 0.3674
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsOrange complex5.401 LOG counts of bacterial cellsStandard Deviation 0.3761
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsPurple complex4.721 LOG counts of bacterial cellsStandard Deviation 0.5443
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsRed complex5.012 LOG counts of bacterial cellsStandard Deviation 0.3354
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsGreen complex5.477 LOG counts of bacterial cellsStandard Deviation 0.4354
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsOther Species5.509 LOG counts of bacterial cellsStandard Deviation 0.3637
5% Hydroalcohol MouthrinseMicrobiological Assessments - LOG CountsActinomyces species5.089 LOG counts of bacterial cellsStandard Deviation 0.4432
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsOther Species5.433 LOG counts of bacterial cellsStandard Deviation 0.3005
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsActinomyces species5.154 LOG counts of bacterial cellsStandard Deviation 0.3491
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsPurple complex4.617 LOG counts of bacterial cellsStandard Deviation 0.4546
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsYellow complex4.915 LOG counts of bacterial cellsStandard Deviation 0.2855
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsGreen complex5.400 LOG counts of bacterial cellsStandard Deviation 0.2935
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsOrange complex5.461 LOG counts of bacterial cellsStandard Deviation 0.3008
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseMicrobiological Assessments - LOG CountsRed complex4.977 LOG counts of bacterial cellsStandard Deviation 0.2637
Secondary

Whole-mouth Mean Bleeding Index (BI)

Bleeding after periodontal probe was assessed by scores on a scale of 0-2 using the Gingival Bleeding Index (BI), where 0=Absence of Bleeding after 30 Seconds and 2=Immediate Bleeding.

Time frame: 2 Weeks

Population: Intent to treat population was analyzed.

ArmMeasureValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseWhole-mouth Mean Bleeding Index (BI)0.123 Units on a scaleStandard Deviation 0.0569
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseWhole-mouth Mean Bleeding Index (BI)0.074 Units on a scaleStandard Deviation 0.0528
p-value: <0.00195% CI: [-0.059, -0.029]ANCOVA
Secondary

Whole-mouth Mean Bleeding Index (BI)

Bleeding after periodontal probe was assessed by scores on a scale of 0-2 using the Gingival Bleeding Index (BI), where 0=Absence of Bleeding after 30 Seconds and 2=Immediate Bleeding.

Time frame: 4 Weeks

Population: Intent to treat population was analyzed; one subject discontinued from the study prior to Week 4.

ArmMeasureValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseWhole-mouth Mean Bleeding Index (BI)0.120 Units on a scaleStandard Deviation 0.0524
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseWhole-mouth Mean Bleeding Index (BI)0.057 Units on a scaleStandard Deviation 0.052
p-value: <0.00195% CI: [-0.078, -0.043]ANCOVA
Secondary

Whole-mouth Mean Modified Gingival Index (MGI)

Gingivitis was assessed by scoring inflammation on a 0-4 scale, according to the Modified Gingival Index, where 0=Normal and 4=Severe Inflammation.

Time frame: 2 weeks

Population: Intent to treat population was used for analysis.

ArmMeasureValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseWhole-mouth Mean Modified Gingival Index (MGI)2.189 Units on a scaleStandard Deviation 0.1014
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseWhole-mouth Mean Modified Gingival Index (MGI)2.067 Units on a scaleStandard Deviation 0.1185
p-value: <0.00195% CI: [-0.14, -0.071]ANCOVA
Secondary

Whole-mouth Mean Plaque Index (PI)

Plaque was assessed on a scale of 0-5 using the Turesky modification of the Quigley-Hein Plaque Index, where 0=No plaque and 5=Plaque covering 2/3 or more of surface.

Time frame: 2 Weeks

Population: The intent-to-treat population was used for analysis.

ArmMeasureValue (MEAN)Dispersion
5% Hydroalcohol MouthrinseWhole-mouth Mean Plaque Index (PI)2.880 Units on a scaleStandard Deviation 0.2678
0.15% Ethyl Lauroyl Arginate HCl-containing MouthrinseWhole-mouth Mean Plaque Index (PI)1.987 Units on a scaleStandard Deviation 0.6539
p-value: <0.00195% CI: [-1.02, -0.639]ANCOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026