A Comparative Study of the Efficacy of Penciclovir 10mg/g (1%) Cream in Preventing the Appearance of Classical Lesion in Recurrent Cold Sore Sufferers
A Randomised, Double-blind, Vehicle Controlled, Single Center, Parallel Group, Comparative Study of the Efficacy of Penciclovir 10mg/g (1%) Cream in Preventing the Appearance of Classical Lesion in Recurrent Cold Sore Sufferers
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
-
Belfast, United Kingdom, BT12 6BA
- Belfast Health and Social Care Trust, ROYAL VICTORIA HOSPITAL
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Be known to be a cold sore sufferer and presenting a prodromal stage with pain
- Sign the written informed consent form prior to enrolment in the trial;
- Be aged 18 to 75 years;
Exclusion Criteria:
- If female, are pregnant, planning pregnancy or lactating;
- Have a known hypersensitivity to penciclovir or any ingredients of the vehicle;
- Have already ongoing classical cold sore lesions at the baseline visit;
- Have taken any cold sore product, analgesic or NSAID in the 24 hours before the baseline visit;
- Have applied a cosmetic lip balm on their lips in the 12 hours before the baseline thermographic assessment;
- Are known to be immunosuppressed (acquired, congenital or therapeutic);
- Have been involved in any investigational protocol within the 30 days prior to the trial;
- Have evidence or history of drug or alcohol abuse;
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Placebo Comparator: Placebo
|
Placebo every 2 hous during waking hours for 96 hours
|
|
Experimental: Penciclovir
|
Penciclovir every 2 hours during waking hours for 96 hours
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Clinical Assessment Performed by the Investigator and Skin Temperature at the Cold Sore.
Time Frame: 72 hours
|
Number of participants where the classical cold sore lesion was prevented at 72 hours after first treatment application.Lesion defined as having been prevented if clinical assessment is prodrome, macule or healed and skin temperature of the cold sore is negative (temperature difference of less than 0.5°C between initial site of cold sore and opposite side).
|
72 hours
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Size of the Cold Sore
Time Frame: 72 hours
|
The size of the cold sore was measured as follows : a standardized photograph was taken before treatment and compared to a photograph taken 72 hours after the first treatment application.
The difference was calculated for each participant within each treatment arm.
|
72 hours
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Philip Lamey, Principal Investigator
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- FPP4-DE-401
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