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In Vivo Preoperative Skin Preparation Efficacy Study Within a Defined Product Coverage Area

Evaluation of Microbial Population Reductions Within a Defined Product Coverage Area

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03681990
Enrollment
28
Registered
2018-09-24
Start date
2017-06-06
Completion date
2017-07-04
Last updated
2024-10-02

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

Conditions

Surgical Skin Preparation, Surgical Procedure, Unspecified

Keywords

surgical skin prep, CHG, IPA

Brief summary

This study evaluates reduction of resident flora produced by the test product within a defined prepped area of skin.

Detailed description

Three different sample sites within a defined prepped area of skin were collected to determine whether reductions in resident flora produced by the test product are consistent.

Interventions

Apply topically to intact skin

Sponsors

3M
CollaboratorINDUSTRY
Solventum US LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Male subjects of any race who are at least 18 years of age, * Subjects must have an area on their back region to accommodate the treatment coverage area, * Subjects must be in good general health, * Subjects who satisfy all inclusion/

Exclusion criteria

and will voluntarily read and sign the Informed Consent Form, * Subjects who have good skin condition on the test sites, * Subjects who are willing to report to the study facility approximately 72 hours prior to Screening or Treatment Day for clipping, if needed, * Subjects who are willing to avoid showering and tub-bathing within 72 hours prior to Screening and Treatment Days, and * Subjects who have Screening Day baseline counts of \> 3.00 log10 per cm2 in each of the 3 sample sites (center, mid-peripheral and peripheral) in the treatment area (back region).

Design outcomes

Primary

MeasureTime frameDescription
Comparison of Log Change of Skin Flora Relative to Pre-treatment (Baseline) in Each of 3 Sampling Sites at a Defined Post-treatment Sampling Time.Post-treatment sampling randomized as 10-minute or 13-minute post-product applicationThe primary measure of efficacy is change in skin flora log10 CFU/cm\^2 in each of the skin sampling sites relative to baseline skin flora log10 CFU/cm\^2. Baseline samples must satisfy the greater than or equal to 3.0 in each of the sampling sites, to be used for data analysis.

Other

MeasureTime frameDescription
Safety Outcome Evaluated by Skin Irritation AssessmentAssessed pre-treatment (baseline) and post-treatment (10 or 13 minutes)Skin irritation (dryness, edema, erythema, rash) assessed on the test sites using a 0-3 rating scale: 0 = no reaction, 1 = mild reaction, 2 = moderate reaction, 3 = severe reaction.

Countries

Romania

Participant flow

Participants by arm

ArmCount
3M CHG/IPA Prep / Center
Chlorhexidine gluconate (CHG) 2% / Isopropyl alcohol (IPA) 70% solution applied topically to intact skin; sample collected from center test site on skin in application area.
28
Total28

Baseline characteristics

Characteristic3M CHG/IPA Prep / Center
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
4 Participants
Age, Categorical
Between 18 and 65 years
24 Participants
Evaluable Treatment Day Baseline Count
Evaluable Subjects
20 Participants
Evaluable Treatment Day Baseline Count
Non-evaluable Subjects
8 Participants
Race/Ethnicity, Customized
Ethnicity - Hispanic or Latino
0 participants
Race/Ethnicity, Customized
Ethnicity - Not Hispanic or Latino
28 participants
Race/Ethnicity, Customized
Race - American Indian or Alaska Native
0 participants
Race/Ethnicity, Customized
Race - Asian
0 participants
Race/Ethnicity, Customized
Race - Black or African American
0 participants
Race/Ethnicity, Customized
Race - More than one race
0 participants
Race/Ethnicity, Customized
Race - Native Hawaiian or Other Pacific Islander
0 participants
Race/Ethnicity, Customized
Race - Unknown or not reported
0 participants
Race/Ethnicity, Customized
Race - White
28 participants
Sex/Gender, Customized
Female
0 participants
Sex/Gender, Customized
Male
28 participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 280 / 280 / 28
other
Total, other adverse events
0 / 280 / 280 / 28
serious
Total, serious adverse events
0 / 280 / 280 / 28

Outcome results

Primary

Comparison of Log Change of Skin Flora Relative to Pre-treatment (Baseline) in Each of 3 Sampling Sites at a Defined Post-treatment Sampling Time.

The primary measure of efficacy is change in skin flora log10 CFU/cm\^2 in each of the skin sampling sites relative to baseline skin flora log10 CFU/cm\^2. Baseline samples must satisfy the greater than or equal to 3.0 in each of the sampling sites, to be used for data analysis.

Time frame: Post-treatment sampling randomized as 10-minute or 13-minute post-product application

Population: The primary analysis data set used a Modified Intent to Treat population: Subjects were excluded who did not meet the baseline requirement of greater than or equal to 3.0 log10 CFU/cm2 in all three sampling sites on the treatment site. The sampling time for efficacy evaluation was 10 minutes or 13 minutes post-product application as per the randomization schedule.

ArmMeasureValue (MEAN)Dispersion
3M CHG/IPA Prep / CenterComparison of Log Change of Skin Flora Relative to Pre-treatment (Baseline) in Each of 3 Sampling Sites at a Defined Post-treatment Sampling Time.-2.19 log10 CFU/cm^2Standard Deviation 1.31
3M CHG /IPA Prep - Mid-peripheralComparison of Log Change of Skin Flora Relative to Pre-treatment (Baseline) in Each of 3 Sampling Sites at a Defined Post-treatment Sampling Time.-1.85 log10 CFU/cm^2Standard Deviation 1.57
3M CHG/IPA Prep - PeripheralComparison of Log Change of Skin Flora Relative to Pre-treatment (Baseline) in Each of 3 Sampling Sites at a Defined Post-treatment Sampling Time.-2.42 log10 CFU/cm^2Standard Deviation 1.2
p-value: 0.34ANOVA
Other Pre-specified

Safety Outcome Evaluated by Skin Irritation Assessment

Skin irritation (dryness, edema, erythema, rash) assessed on the test sites using a 0-3 rating scale: 0 = no reaction, 1 = mild reaction, 2 = moderate reaction, 3 = severe reaction.

Time frame: Assessed pre-treatment (baseline) and post-treatment (10 or 13 minutes)

Population: All treated subjects were considered evaluable for safety. Safety assessments were based on evaluations for skin reactions at the test sites.

ArmMeasureGroupValue (NUMBER)
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentDryness - pre-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentDryness - post-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentEdema - pre-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentEdema - post-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentErythema - pre-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentErythema - post-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentRash - pre-treatment rating = 028 participants
3M CHG/IPA Prep / CenterSafety Outcome Evaluated by Skin Irritation AssessmentRash - post-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentEdema - pre-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentRash - pre-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentEdema - post-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentErythema - pre-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentErythema - post-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentDryness - pre-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentDryness - post-treatment rating = 028 participants
3M CHG /IPA Prep - Mid-peripheralSafety Outcome Evaluated by Skin Irritation AssessmentRash - post-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentEdema - pre-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentDryness - post-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentDryness - pre-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentEdema - post-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentRash - pre-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentErythema - post-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentErythema - pre-treatment rating = 028 participants
3M CHG/IPA Prep - PeripheralSafety Outcome Evaluated by Skin Irritation AssessmentRash - post-treatment rating = 028 participants

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