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Non-inferiority Comparison of Efficacy and Safety of Penciclovir 10mg/g to Acyclovir 50mg/g in the Treatment of Recurrent Herpes Labialis

This study has been completed.
Information provided by (Responsible Party):
EMS Identifier:
First received: December 6, 2010
Last updated: March 1, 2013
Last verified: March 2013
Herpes labialis is the most common recurrent manifestation of herpes simplex. The purpose of this study is to check the non-inferiority efficacy and safety of penciclovir 10mg/g as treatment for Herpes Labialis in comparison to acyclovir 50mg/g.

Condition Intervention Phase
Herpes Labialis Drug: Acyclovir 50mg/g Drug: Penciclovir 10mg/g Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, to Compare Non-inferiority Efficacy and Safety of Penciclovir 10mg/g to Acyclovir 50mg/g in the Treatment of Recurrent Herpes Labialis.

Resource links provided by NLM:

Further study details as provided by EMS:

Primary Outcome Measures:
  • Efficacy will be evaluated by the proportion of subjects with non herpes labialis manifestation [ Time Frame: Day 10 ]
    Symptoms evaluated: erythema, papule, vesicle, ulcer, crust, or healed skin.

Secondary Outcome Measures:
  • Number of Participants with Adverse Events as a Measure of Safety and Tolerability [ Time Frame: Day 10 ]

Enrollment: 76
Study Start Date: February 2012
Study Completion Date: October 2012
Primary Completion Date: March 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Drug 1
Penciclovir 10mg/g
Drug: Penciclovir 10mg/g
Cream, dose 5 times daily during 5 days
Active Comparator: Drug 2
Acyclovir 50mg/g
Drug: Acyclovir 50mg/g
Cream, dose 5 times daily during 5 days

Detailed Description:

Study design:

• Double blinded non-inferiority prospective parallel-group, intend to treat trial.

Study design:

  • Experiment duration: 10 days
  • 3 visits (days 1,5 and 10)
  • Erythema, papule, vesicle, ulcer, crust and healed skin evaluation
  • Adverse events evaluation

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Patients must be able to understand the study procedures agree to participate and give written consent.
  2. Patients with clinical diagnosis of recurrent herpes labialis and are in the prodromal period (stinging, itching, burning and erythema) at the onset of signs / symptoms in the last 12-24 hours;
  3. No history of reaction to topical products;

Exclusion Criteria:

  1. Pregnancy or risk of pregnancy.
  2. Lactation
  3. Use of anti-inflammatory or immunosuppressive drugs (last 30 days prior to the study.)
  4. Sunlight over exposure in the last 15 days.
  5. Any pathology or past medical condition that can interfere with this protocol.
  6. AINH use, hormonal anti-inflammatory, analgesic and immunosuppressive drugs (in the last 30 days and during the study);
  7. Patients with immunodeficiency and/or immunosuppressive disease;
  8. Sunlight exposure in the last 15 days;
  9. Hypersensitivity to components of the formula;
  10. Other conditions deemed reasonable by the medical investigator as to the disqualification of the individual from study participation.
  Contacts and Locations
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Please refer to this study by its identifier: NCT01257074

Flavia Addor
São Paulo, Brazil
Sponsors and Collaborators
Principal Investigator: Flavia Addor, MD Medcin Instituto da Pele Ltda
  More Information

Responsible Party: EMS Identifier: NCT01257074     History of Changes
Other Study ID Numbers: PENEMS1010
Study First Received: December 6, 2010
Last Updated: March 1, 2013

Keywords provided by EMS:
Herpes Simplex

Additional relevant MeSH terms:
Herpes Labialis
Herpes Simplex
Herpesviridae Infections
DNA Virus Infections
Virus Diseases
Skin Diseases, Viral
Lip Diseases
Mouth Diseases
Stomatognathic Diseases
Skin Diseases, Infectious
Skin Diseases
Antiviral Agents
Anti-Infective Agents processed this record on September 18, 2017