Trials Sponsors Conditions Drugs Pricing

Conditions

Bacterial Contamination

Keywords

bacterial contaminationmask placementskin and respiratory microbiomes

Outcome Measures

Primary Outcomes (1)

Amount of Bacterial contamination between mask up/off or dangling
Bacterial contamination is measured as quantitative bacterial burden, measured as colony-forming units (CFUs), recovered from cultures collected from the inner and outer surfaces of surgical masks before and after the standardized 2-hour observation period.
Hour 2

Secondary Outcomes (3)

CFU counts recovered from additional sampling sites
Hour 2
Changes in CFU counts between baseline and post-observation
Hour 2
Differences in bacterial loads at different culture sites
Hour 2

Study Arms (2)

Mask on or off

ACTIVE COMPARATOR

mask either up or off

Other: Mask up or off

Mask dangling

EXPERIMENTAL

mask dangling around neck

Other: Mask dangling

Interventions

Mask up or offOther

mask if either being worn or off

Mask on or off

Mask danglingOther

mask dangling around neck when not being worn

Mask dangling

Eligibility Criteria

Age18 Years+

Sexall

Healthy VolunteersYes

Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

Age 18 years or older
Employment in perioperative services

Sponsors & Collaborators

Wake Forest University Health Sciences
Otherlead

Study Sites (1)

Atrium Health-Wake Forest Baptist

Winston-Salem, North Carolina, 27157, United States

B. S Segal, MDCONTACT336-716-4498 b.segal@wfusm.edu

Lynnette Harris, BSNCONTACT336-306-0778 lynnette.harris@advocatehealth.org

B. S Segal, MDPRINCIPAL INVESTIGATOR

Samantha StaubSUB INVESTIGATOR

Study Officials

B. S Segal, MD
Advocate Health-Wake Forest School of Medicine
PRINCIPAL INVESTIGATOR

Central Study Contacts

B. S Segal, MD

CONTACT

336-716-4498 b.segal@wfusm.edu

Samantha Staub

CONTACT

samantha.staub@wfusm.edu

Study Design

Study Type: interventional
Phase: not applicable
Allocation: RANDOMIZED
Masking: NONE
Purpose: OTHER
Intervention Model: PARALLEL
Sponsor Type: OTHER
Responsible Party: SPONSOR

Study Record Dates

First Submitted

October 21, 2026

First Posted

October 28, 2026

Study Start

November 2026

Estimated

Planned date reported by the registry; this milestone is not confirmed as achieved.

Primary Completion

June 2027

Estimated

Bacterial Mask Contamination in Operating Room

Brief Summary

Registry Overview

Trial Relationships

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Secondary Outcomes (3)

Study Arms (2)

Mask on or off

Mask dangling

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

Study Officials

Central Study Contacts

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record

Documents

Locations

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Secondary Outcomes (3)

Study Arms (2)

Mask on or off

Mask dangling

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

Study Officials

Central Study Contacts

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record

Documents

Locations