Oral Zinc Supplement as Adjunctive Therapy for Erosive Oral Lichen Planus

September 12, 2023 updated by: Hams Hamed Abdelrahman

Efficacy of Oral Zinc Supplement as an Adjunctive Therapy for Erosive Oral Lichen Planus (a Randomized, Controlled Clinical Trial)

Lichen Planus (LP) is a chronic mucocutaneous inflammatory disease and considered as T-cell mediated autoimmune disorder.

Zinc is a potent antioxidant micronutrient that contributes to the proper functioning of the antioxidant defense system. In addition, this mineral protects cells against inflammation by oxidative stress, because it acts in the stabilization of cell membrane. It also maintains macrophage and neutrophil functions, natural killer cell activity, and complement activity.

Matrix metalloproteinases (MMPs) are a family of zinc-containing endopeptidases and have the main function of proteolytic degradation of connective tissue matrix proteins. Zinc prevents (MMP-1) activation and inhibition of the T-cell accumulation in (OLP) through inhibiting of (MMP-9).

Aim of the study: To evaluate and compare the efficacy of adding oral zinc supplementation 50 mg to 0.1%Triamcinolone orabase (TA)versus 0.1%Triamcinolone orabase alone on the healing of erosive OLP.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

22

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Alexandria, Egypt
        • Alexandria Faculty of Dentistry

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • All patients involved in this clinical trial will have symptomatic OLP

Exclusion Criteria:

  • Smokers or tobacco users will be excluded from this clinical trial.
  • Pregnant and lactating females.
  • Any patient that has history of cancer, kidney, liver or other autoimmune disease will be excluded from this study.
  • Patients showing dysplastic changes in their confirmatory biopsy specimen will be also excluded.
  • Any patients presenting with extra oral lichen planus lesions will be excluded.
  • Suspicious lesions of both lichenoid contact reaction and lichenoid drug reaction lesions will be excluded.
  • Vitamin administration intake within the last 3 months

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: control group
patients will received 0.1%triamcinolone acetonide Oral paste twice daily alone for 6weeks.
Experimental: Test group
patients received oral Zinc picolinate 50mg for 6 weeks as single morning dose along with 0.1%

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in oral lesions
Time Frame: Baseline, 6 weeks, 12 weeks
Thongprasom scoring system will be used for the measurement of objective outcomes; score 5 was assigned to patients having white striae with erosive areas >1 cm2, score 4 assigned to patients with white striae and erosive areas <1 cm2, score 3 assigned to those having white striae and atrophic areas >1 cm2, score 2 assigned to those having white striae and atrophic areas <1 cm2, score 1 assigned to those having only white striae, and score 0 assigned to normal mucosa.
Baseline, 6 weeks, 12 weeks
Change in MMP-9 level
Time Frame: Baseline, 6 weeks, 12 weeks
Whole unstimulated saliva will be collected from all participants
Baseline, 6 weeks, 12 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in pain
Time Frame: Baseline, 6 weeks, 12 weeks
Patients will be asked to assign a numerical score representing the intensity of their symptoms on a scale from 0 to 10, with 0 being no symptoms and 10 being worst imaginable symptoms
Baseline, 6 weeks, 12 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 5, 2023

Primary Completion (Actual)

February 14, 2023

Study Completion (Actual)

February 14, 2023

Study Registration Dates

First Submitted

September 12, 2023

First Submitted That Met QC Criteria

September 12, 2023

First Posted (Actual)

September 18, 2023

Study Record Updates

Last Update Posted (Actual)

September 18, 2023

Last Update Submitted That Met QC Criteria

September 12, 2023

Last Verified

September 1, 2023

More Information

Terms related to this study

Other Study ID Numbers

  • Oral medicine_0424-04\2022

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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