- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01321125
Chlorhexidine Against Sodium Hypochlorite as Skin Antiseptics
Comparative Study of 2% Chlorhexidine Gluconate in 70% Isopropyl Alcohol Against 10% Sodium Hypochlorite as Skin Antiseptics in Human Volunteers
Study Overview
Status
Conditions
Detailed Description
Sodium hypochlorite at 10% has been widely used as antiseptic in patients on dialysis as well as for irrigation of wounds and burns. Since it has been used successfully in caring for the exit side of hemodialysis catheters, it is reasonable to propose its use for the insertion and care of central intravascular catheters, as well as for skin preparation before surgery. Alternatives for povidone-iodine, which is the agent most commonly used, are costly or ineffective. In a recent study perform by our group it was demonstrated that 10% sodium hypochlorite was not inferior than povidone-iodine.
It has been demonstrated as well that 2% chlorhexidine gluconate in 70% isopropyl alcohol is superior to povidone-iodine. The aim of this study is to know if 10% sodium hypochlorite has a similar effect that the best current option for skin antisepsis.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Guanajuato
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Leon, Guanajuato, Mexico, 37000
- University of Guanajuato School of Medicine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy adult volunteers
Exclusion Criteria:
- History of skin allergies or atopy, as well as reactions to soaps, chlorine or latex
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Non-Randomized
- Interventional Model: Factorial Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Whole group of 30 volunteers
The arm is composed of 30 human volunteers to test 2% chlorhexidine gluconate in 70% isopropyl alcohol (ChloraPrep ®, Enturia, Texas, USA ), hypochlorite 10% of electrochemical production (Except 10% ®, Pisa, Guadalajara, Mexico), and two controls.
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Cultures were taken with a scrub-cup of 5cm2 of internal area pressed over the skin previously prepared, then it was added a 3mL of culture broth (C/E neutralizing broth (D/E Neutralizing Broth, DIFCO TM) containing a neutralizing agent and a detergent agent (1% solution tween-80) as washing solution.
The skin was scrub with a sterile rubber policeman for 2 minutes, and the procedure was conducted once again.
Both aliquots were gathered together in a sterile tube, and a sample of 50mL was spread in a plate containing a neutralizing agar (D/E neutralizing Agar, DIFCO TM) and incubated at 35°C for 72 hrs.
After incubation, the colonies were counted.
Other Names:
Two antiseptics (2% chlorhexidine gluconate in 70% isopropyl alcohol and 10% sodium hypochlorite) and two controls were tested as skin antiseptics.
The intervention consisted of preparing four skin's areas with the antiseptic or the control, two in each arm of the volunteer.
These ones were approximately 25cm2 on the forearm for each antiseptic or control.
The antiseptic or control were applied in an outward circular motion using a swab that was soaked with the solution.
The solution was kept on the skin for 60 seconds before the bacterial culture was conducted.
Every volunteer were studied in three separate occasions, alternating the four areas in every subsequent test, so every area was studied with each control or antiseptic.
Other Names:
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Experimental: test group of substantivity
The arm is composed of 10 human volunteers to test 2% chlorhexidine gluconate in 70% isopropyl alcohol (ChloraPrep ®, Enturia, Texas, USA ), hypochlorite 10% of electrochemical production (Except 10% ®, Pisa, Guadalajara, Mexico), and 10% povidone-iodine (Isodine Solucion ®, Boehringer-Ingelheim Promeco, Mexico City)
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Three antiseptics will be tested: 2% chlorhexidine gluconate in 70% isopropyl alcohol, 10% sodium hypochlorite and 10% povidone-iodine, each one will be applied on the surface of one fingertip each, and will be allow to dry for 60 seconds, then the remaining antiseptic on the skin will be wash out with distilled water.
The evaluated zones will be dried with sterile gauze, and then will be covered with sterile gauze for two hours.
After this period, each finger will be placed for 30 seconds on an agar plate, which will be inoculated whit an ATCC E. coli.
The plate will be incubated at 35ºC for 72 hrs.
After incubation, a blinded technician will report the presence or absence of bacterial growth
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of the efficacy of 2% chlorhexidine gluconate in 70% isopropyl alcohol and 10% sodium hypochlorite
Time Frame: 24 hours
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Compare decrease in colony forming units in cultures of samples taken with both antiseptics
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24 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Presence of skin reactions for the 2% chlorhexidine gluconate in 70% isopropyl alcohol
Time Frame: 24 hours
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Presence of allergy or any reaction at 24 hours after the antiseptic application.
|
24 hours
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Presence of allergy or any reaction at 24 hours after the antiseptic application.
Time Frame: 24 hours
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Presence of allergy or any reaction at 24 hours after the antiseptic application.
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24 hours
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Bacterial count of skin cultures for the 2% chlorhexidine gluconate in 70% isopropyl alcohol
Time Frame: 24 hours
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Bacterial colony count of skin cultures to determine antiseptic properties.
After incubation, a blinded technician will count the colonies to determine the colony-forming units per square centimeter (CFU/cm2) of skin.
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24 hours
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Bacterial count of skin cultures for the 10% sodium hypochlorite
Time Frame: 24 hours
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Bacterial colony count of skin cultures to determine antiseptic properties.
After incubation, a blinded technician will count the colonies to determine the colony-forming units per square centimeter (CFU/cm2) of skin.
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24 hours
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Bacterial count of skin cultures for the control 1
Time Frame: 24 hours
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Scrub with saline solution.
Bacterial colony count of skin cultures to determine antiseptic properties.
After incubation, a blinded technician will count the colonies to determine the colony-forming units per square centimeter (CFU/cm2) of skin.
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24 hours
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Bacterial count of skin cultures for the control 2
Time Frame: 24 hours
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Sample taken without wash.
Bacterial colony count of skin cultures to determine antiseptic properties.
After incubation, a blinded technician will count the colonies to determine the colony-forming units per square centimeter (CFU/cm2) of skin.
|
24 hours
|
Evaluation of antiseptic substantivity
Time Frame: 24 hours
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Explore the extended antiseptic activity provide by 2% chlorhexidine gluconate in 70% isopropyl alcohol, 10% sodium hypochlorite and 10% povidone-iodine, by evaluating bacterial grow inhibition in an agar plate.
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24 hours
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Alejandro E Macias, M. D., Universidad de Guanajuato
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2011UGTO372
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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