Zinc for the Treatment of Herpes Simplex Labialis (HSL)
A Randomized, Double-blind, Placebo-controlled, Multi-Center Trial of Zinc for the Treatment of Herpes Simplex Labialis (HSL)
1 other identifier
interventional
157
1 country
3
Brief Summary
Evaluate the effectiveness of a topical preparation of zinc to treat cold sores.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Dec 2008
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 1, 2008
CompletedFirst Submitted
Initial submission to the registry
December 15, 2008
CompletedFirst Posted
Study publicly available on registry
December 17, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2010
CompletedResults Posted
Study results publicly available
January 8, 2014
CompletedJanuary 8, 2014
November 1, 2013
9 months
December 15, 2008
March 21, 2012
November 19, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Zicam Was Compared to Placebo as a Treatment of Recurrent HSL From the Date and Time of the Initiation of Therapy Until the Date and Time of Resolution of the Lesion or After 14 Days of Treatment, Whichever Comes First.
Zinc gluconate swabs were compared as a treatment of recurrent HSL compared to placebo from the date and time of the initiation of therapy until the date and time of resolution of the lesion or after 14 days of treatment, whichever comes first.
14 days
Secondary Outcomes (1)
Compare Zicam to Placebo on the Incidence of, Speed of, and the Rate of Healing for Aborted Cold Sore Lesions.
14 days
Study Arms (2)
Zinc gluconate
ACTIVE COMPARATOROral swabs containing homeopathic Zinc gluconate
Placebo
PLACEBO COMPARATORplacebo
Interventions
Eligibility Criteria
You may qualify if:
- Subjects with a history of HSL with at least 2 episodes/year for the past two years that have proceeded beyond the prodromal (initial) stage
- Male or female subjects between 18 and 65 years of age
- Symptoms or signs of HSL for less than one day (max. 36 hours from onset of symptoms to first visit)
- Confirmation of HSL by a clinician at the study site
- Willing to comply with study instructions and sign an informed consent
You may not qualify if:
- HSL symptoms or signs for more than one day
- Cold sore outbreak within the past 2 weeks
- Previous participation in this clinical trial
- Topical or oral antiviral drug use in the past 1 week
- Immune deficiency (HIV positive), chronic steroid therapy, present anti-neoplastic or radiation therapy, Hodgkin's disease, splenectomy, leukemia, myeloma, lymphoma, or another condition/drug per judgment of attending health care professional) or currently taking immune suppressive drugs. Previous organ or bone marrow transplant.
- Pregnancy or lactation
- Unable to travel to the clinic area for the required visits
- Apparent inability to understand or follow the instructions associated with the clinical study
- History of adverse events to the study material or facial cosmetics
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Integrative Medicine Institutelead
- Women's Health Services, Santa Fe, New Mexicocollaborator
- Southwest College of Naturopathic Medicinecollaborator
- Beth Israel Medical Centercollaborator
- Matrixx Initiatives, Inc.collaborator
Study Sites (3)
Steven Messer ND, DHANP
Tempe, Arizona, 85282, United States
Deborah Thompson, MD MSPH
Santa Fe, New Mexico, 87501, United States
Benjamin Kligler, MD
New York, New York, 10016, United States
Related Publications (1)
Godfrey HR, Godfrey NJ, Godfrey JC, Riley D. A randomized clinical trial on the treatment of oral herpes with topical zinc oxide/glycine. Altern Ther Health Med. 2001 May-Jun;7(3):49-56.
PMID: 11347285BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Limitations and Caveats
There may have been differences between the populations in the different study sites that influenced the outcome of this clinical trial.
Results Point of Contact
- Title
- David Riley, MD
- Organization
- Integrative Medicine Institute
Study Officials
- PRINCIPAL INVESTIGATOR
David S Riley, MD
University of New Mexico
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 15, 2008
First Posted
December 17, 2008
Study Start
December 1, 2008
Primary Completion
September 1, 2009
Study Completion
December 1, 2010
Last Updated
January 8, 2014
Results First Posted
January 8, 2014
Record last verified: 2013-11