Effect of hyaluronic acid on the oral mucosa healing after diode laser biopsies

ISRCTN ISRCTN14643405
DOI https://doi.org/10.1186/ISRCTN14643405
Secondary identifying numbers 5289
Submission date
29/08/2024
Registration date
06/09/2024
Last edited
06/09/2024
Recruitment status
No longer recruiting
Overall study status
Ongoing
Condition category
Oral Health
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Background and study aims
Oral mucosa can be affected by lesions which interfere with many functions such as eating, speaking, and swallowing. Oral fibroma is one of these lesions that appears commonly in the oral cavity. It is the most common reactive lesion in the oral cavity. Fibroma results from a chronic repair process that includes granulation tissue and scar formation resulting in a fibrous submucosal mass. This lesion doesn’t have a risk of malignancy transformation. The most common sites in the oral cavity are the tongue, buccal mucosa, and lower labial mucosa. An excisional biopsy is the treatment choice for irritation fibroma, either by surgical scalpel, electric scalpel, cryosurgery, or diode laser. Diode laser based on many studies is a very sufficient way of taking excisional biopsies, however, it has a thermal effect on the oral mucosa that affects mucosal healing, which makes it take longer to heal compared to the surgical conventional way. Accordingly, hyaluronic acid (HA) is now used to accelerate the mucosal healing process after excision using lasers in general.

Who can participate?
Patients aged between 20 and 40 years old who have oral fibroma and systemic diseases free

What does this study involve?
Participants are randomly allocated into three groups: Group A (HA gel + diode laser), Group B (HA mouthwash + diode laser), and Group C (control group, diode laser only). HA use instructions are given to the first two groups, and oral hygiene instructions are given to all groups.

What are the possible benefits and risks of participating?
Benefits may include healing acceleration due to the HA application after taking the excisional biopsy of the oral fibroma using a diode laser.

Possible risks might be experiencing some pain and discomfort after taking the biopsy, and a slow healing process due to the thermal effect of the diode laser and the ineffectiveness of the HA.

Where is the study run from?
Damascus University, Syria

When is the study starting and how long is it expected to run for?
June 2023 to October 2025

Who is funding the study?
Damascus University, Syria

Who is the main contact?
Dr. Amr Alyafi, amr.alyafi@hotmail.com, amr.alyafi97@damascusuniversity.edu.sy

Contact information

Dr Amr Alyafi
Public, Scientific, Principal Investigator

Telyani
Damascus
4671
Syria

ORCiD logoORCID ID 0009-0001-8761-8019
Phone +963947880112
Email amr.alyafi97@damascusuniversity.edu.sy

Study information

Study designRandomized controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Dental clinic
Study typeOther, Treatment, Efficacy
Participant information sheet 46009_PIS[InformedConsent].pdf
Scientific titleStudying the effect of hyaluronic acid on mucosal healing after excisional oral biopsies with 810 nm diode laser
Study objectivesh0: There are no statistical differences between the three studied groups. (HA gel group, HA mouthwash group, and only diode laser group)
h1: There are statistically significant differences between the three studied groups.
Ethics approval(s)

Approved 07/08/2023, Scientific Ethics Committee at Damascus University (Baramkeh, Damascus, 4671, Syria; +9631133923223; ap.srd@damascusuniversity.edu.sy), ref: 3437

Health condition(s) or problem(s) studiedMucosal healing after oral excisional biopsies
InterventionThis study is designed to evaluate the effect of hyaluronic acid (HA; Mouthwash - Gel) on mucosal healing after oral excisional biopsies with an 810 nm diode laser.

A simple method of randomisation is used that involves writing the group name (A, B, C) on a piece of paper inside three envelopes, and letting the patient choose the envelope randomly.

A brief methodology for each treatment arm:
-Group A (HA gel group + diode laser):
After taking the excisional biopsy with a diode laser (with parameters of 810 nm, 4W) which takes approximately less than 5 minutes, the patients will be given topical hyaluronic acid gel 0.2% to apply on the wound 3 times daily for 10 days. After each appliance, the patient should not eat or drink for an hour.

-Group B (HA mouthwash group + diode laser):
After taking the excisional biopsy with a diode laser (with parameters of 810 nm, 4W) which takes approximately less than 5 minutes, the patients will be given hyaluronic acid mouthwash 0.025% to rinse with 3 times daily out of brushing times for 10 days, by keeping it for a minute in the mouth and then spitting it out. After each rinsing the patient should not eat or drink for an hour.

-Group C (diode laser only):
After taking the excisional biopsy with a diode laser (with parameters of 810 nm, 4W) which takes approximately less than 5 minutes, the wound will be left to heal spontaneously without allying any drug.

Percentage healing index (PHI: is an index that helps determine the healing process by taking a picture of the excision wound after the procedure immediately and after every follow-up visit, and then using the Adobe Photoshop application on PC to measure the excision wound area in square millimeters.
Intervention typeProcedure/Surgery
Primary outcome measureExcision wound area measured using the Percentage Healing Index (PHI) after the excision immediately (T0), at day 4 (T1), week 1 (T2), week 2 (T3), and 1 month (T4)
Secondary outcome measuresPain is measured using a Visual Analogue Scale ( VAS) at day 4, week 1, week 2, and 1 month
Overall study start date24/06/2023
Completion date24/10/2025

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit20 Years
Upper age limit40 Years
SexBoth
Target number of participants30
Key inclusion criteria1. Patients that have oral fibromas on the non-keratinized oral mucosa
2. Excisional biopsy wounds with a diameter of less than 10mm
Key exclusion criteria1. People who have systemic diseases
2. Smokers
3. Alcoholics
Date of first enrolment01/07/2023
Date of final enrolment01/07/2025

Locations

Countries of recruitment

  • Syria

Study participating centre

Oral Medicine Department, Faculty of Dental Medicine, Damascus University
Mezzeh highway
Damascus
4671
Syria

Sponsor information

Damascus University
University/education

Baramkeh
Damascus
4671
Syria

Phone +9631133923223
Email ap.srd@damascusuniversity.edu.sy
Website https://www.damascusuniversity.edu.sy/
ROR logo "ROR" https://ror.org/03m098d13

Funders

Funder type

University/education

Damascus University
Government organisation / Universities (academic only)
Alternative name(s)
University of Damascus, جَامِعَةُ دِمَشْقَ, DU
Location
Syria

Results and Publications

Intention to publish date01/07/2025
Individual participant data (IPD) Intention to shareYes
IPD sharing plan summaryAvailable on request
Publication and dissemination planPlanned publication in a peer-reviewed journal
IPD sharing planThe data sets will be generated and analyzed during the current study and will be available upon request from Amr Alyafi, amr.alyafi@hotmail.com, amr.alyafi97@damascusuniversity.edu.sy

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet 02/09/2024 No Yes
Participant information sheet 02/09/2024 No Yes

Additional files

46009_PIS[InformedConsent].pdf
46009_PIS[PatientCaseSheet].pdf

Editorial Notes

30/08/2024: Study's existence confirmed by the Faculty of Dentistry, Damascus University.