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Comparative Safety and Efficacy of Two Antiviral Treatments in the Treatment of Recurrent Herpes Simplex Labialis

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02265913
Enrollment
4076
Registered
2014-10-16
Start date
2014-10-06
Completion date
2017-11-21
Last updated
2021-10-22

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

Conditions

Herpes Labialis

Brief summary

To compare safety and efficacy of Perrigo's antiviral drug product compared to an FDA approved antiviral drug product in the treatment of cold sores.

Interventions

DRUGAcyclovir 5 percent (Perrigo)
DRUGAcyclovir 5 percent (Reference)
DRUGPlacebo cream

Sponsors

Padagis LLC
Lead SponsorINDUSTRY

Study design

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

Eligibility

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

Inclusion criteria

1. Provides written informed consent/assent 2. Immunocompetent male or non-pregnant females, \>12 years old, with limited, non-life-threatening, recurrent herpes simplex labialis. 3. Subjects must have at least 3 recurrences of herpes simplex labialis per year for the past two years. 4. Females of childbearing potential willing to use an acceptable form of birth control. 5. Subjects must be in general good health with no clinically significant disease that might interfere with the study evaluations in the opinion of the investigator. 6. Subjects must be willing and able to understand and comply with the requirements of the study.

Exclusion criteria

1. Females who are pregnant or nursing, are not using or does not agree to use an acceptable form of contraception during the study, or who intends to become pregnant during the study. 2. The use of antiviral therapies in various forms for a given period of time prior to screening and study medication application. 3. Candidate for or previous use of parenteral antiviral treatment or prophylactic antiviral therapy for their recurrent herpes simplex labialis. 4. Recently received an organ transplant. 5. Subjects who are immunocompromised, HIV positive or who have any immune-system disorders. 6. Recent major change in immune system status that could seriously affect the clinical manifestations of herpes simplex labialis and need for treatment in the opinion of the investigator. 7. Subjects with known or suspected history of a clinically significant systemic disease, unstable medical disorders, life-threatening disease or current malignancies. 8. Subjects with a current episode of herpes simplex labialis that has not completely healed. 9. Presence of any facial skin condition or excessive facial hair that may interfere with diagnosis, assessment, and/or healing ability. 10. History of herpes keratitis. 11. Subject has a history of hypersensitivity or allergy to any ingredient in the drug product. 12. History of unresponsiveness to topical acyclovir therapy. 13. Participation in any other clinical study or who have received treatment with any investigational drug or device within 30 days prior to screening. 14. Subjects who have previously enrolled in this study. 15. Subjects who have received any local medication in the target area during the 2 weeks prior to both enrollment/screening and Day 1 (Visit 2). 16. Subjects who have been treated with immunosuppressive medication therapy within 8 weeks prior to the study both enrollment/screening and Day 1 (Visit 2). 17. Subject consumes excessive alcohol, abuses drugs, or has a condition that could compromise the subject's ability to comply with study requirements in the investigator's opinion. 18. Use of tanning booths, sun lamps, or excessive exposure to the sun for up to 21 days from initiating study medication 19. Subjects using immunostimulators, dye-light therapy, or psoralen therapy within 30 days prior to study medication initiation

Design outcomes

Primary

MeasureTime frameDescription
Lesion Healingup to 21 daysTime to complete healing of lesions measured in hours from the time of first dosing

Countries

United States

Participant flow

Participants by arm

ArmCount
Test Product
acyclovir cream Acyclovir 5 percent (Perrigo)
1,357
Reference Product
acyclovir cream Acyclovir 5 percent (Reference)
1,361
Placebo Product
Placebo cream Placebo cream
1,358
Total4,076

Baseline characteristics

CharacteristicTotalTest ProductReference ProductPlacebo Product
Age, Continuous43.7 years
STANDARD_DEVIATION 15.08
43.7 years
STANDARD_DEVIATION 15.05
43.9 years
STANDARD_DEVIATION 15.2
43.3 years
STANDARD_DEVIATION 14.99
Ethnicity (NIH/OMB)
Hispanic or Latino
875 Participants278 Participants297 Participants300 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3200 Participants1079 Participants1064 Participants1057 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants0 Participants0 Participants1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
16 Participants6 Participants6 Participants4 Participants
Race (NIH/OMB)
Asian
30 Participants9 Participants12 Participants9 Participants
Race (NIH/OMB)
Black or African American
822 Participants294 Participants284 Participants244 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
9 Participants3 Participants3 Participants3 Participants
Race (NIH/OMB)
Unknown or Not Reported
59 Participants20 Participants19 Participants20 Participants
Race (NIH/OMB)
White
3140 Participants1025 Participants1037 Participants1078 Participants
Sex: Female, Male
Female
2717 Participants900 Participants915 Participants902 Participants
Sex: Female, Male
Male
1359 Participants457 Participants446 Participants456 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 1,3570 / 1,3610 / 1,358
other
Total, other adverse events
0 / 1,3570 / 1,3610 / 1,358
serious
Total, serious adverse events
2 / 1,3574 / 1,3610 / 1,358

Outcome results

Primary

Lesion Healing

Time to complete healing of lesions measured in hours from the time of first dosing

Time frame: up to 21 days

Population: per protocol population

ArmMeasureValue (MEAN)Dispersion
Test ProductLesion Healing107.47 hoursStandard Deviation 80.66
Reference ProductLesion Healing110.08 hoursStandard Deviation 82.84
Placebo ProductLesion Healing112.41 hoursStandard Deviation 83.467
90% CI: [92, 105]Fieller's method

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