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Clinical Trial Summary

The aim of this study is to evaluate the efficacy and safety of a hydrogen carbamide/peroxide mouthwash, named UNISEPT® MOUTHWASH, regarding oral wound healing, postoperative symptoms, xerostomia (dry mouth) and oral hygiene improvement. Study participants have reported dry mouth and are scheduled for a diagnostic biopsy of minor labial salivary glands to investigate Sjögren's Syndrome, following consultation with their rheumatologist. This is a standardized diagnostic procedure that leads to healing by primary intention (i.e. wound edges are closely re-approximated with sutures). Researchers are comparing this mouthwash with a placebo (a look-and-taste-alike substance that contains no active ingredients) to see if it is helpful with healing of wounds in the mouth and associated symptoms, improving dry mouth and/or oral hygiene. Participants randomly get the hydrogen carbamide/peroxide mouthwash or the placebo one to use for 14 days after the biopsy. The investigators will not know which one they are providing as the bottles will be identical. Oral wound healing, postoperative symptoms (such as pain, eating and speech difficulties), oral hygiene (dental plaque and gingival inflammation), improvement of dry mouth and quality of life are assessed during a 14-day period after the biopsy. Participants are required to visit the clinic three times, one for the initial consultation and the biopsy, one at 7 days and one at 14 days after the biopsy. They are asked to fill in some questionnaires, while certain procedures (such as measuring saliva) and assessments (like evaluating the dental plaque and gingival inflammation) take place. During the first week they, also, keep a diary of their symptoms, as instructed.


Clinical Trial Description

This is a prospective, randomized, triple-blind, placebo-controlled clinical trial and post-market clinical follow-up (PMCF) study, expected to last approximately 12 months. All procedures/visits/examinations are taking place in the Oral Medicine and Pathology Clinic at the School of Dentistry, National and Kapodistrian University of Athens, Greece. Participants with reported dry mouth are scheduled for a diagnostic biopsy of minor labial salivary glands to investigate Sjögren's Syndrome, following consultation with their rheumatologist. This is a standardized diagnostic procedure that leads to healing by primary intention. After checking if they comply with the study's criteria, they are informed about the study and the biopsy procedure (including possible complications) and they sign the Ιnformed Consent Form. All biopsies are obtained from the lower lip with a 12 - 15 mm linear incision. After blunt dissection of the borders, 5-7 lobules of minor salivary glands are removed by dissection with the scalpel or a curved mosquito forceps and the use of tweezers. Attention is paid not to injure nerve branches or vessels. Adequate hemostasis is achieved by manual pressure, and the incision is closed by simple interrupted non-absorbable 4/0 silk sutures at equal distances. Participants are instructed to have cold, soft diet for the day and use ice packs externally for 1-2 hours after the procedure. Use of 500mg paracetamol up to 3 times is permitted for day 0. Following their normal oral hygiene routine (brushing and toothpaste) is suggested. Subsequently, they are assigned randomly in a 1:1 ratio to receive either a hydrogen carbamide/peroxide mouthwash (UNISEPT® MOUTHWASH - Intermed S.A. and Ioulia And Irene Tseti Pharmaceutical Laboratories S.A) or a placebo comparator, i.e. a look-alike substance that lacks active ingredients (such as hydrogen carbamide/peroxide). Both participants and investigators are masked. Follow-up examinations are conducted at 7 and 14 days. On day 7 the sutures are cut. The evaluation includes: • oral wound healing (primary intention) assessed by scores (primary outcome) and secondarily: - oral wound healing via measuring the incision/wound length - postoperative symptoms (such as pain, eating and speech difficulties) - quality of life assessed by a questionnaire - improvement of dry mouth through subjective and objective measurements - oral hygiene via plaque and gingival indices. All data are anonymized and the outcome assessors are masked. UNISEPT® MOUTHWASH is a Class IIa, CE-marked (Conformité Européenne) medical device. This mouthwash contains hydrogen carbamide that breaks down to hydrogen peroxide, which has antiseptic and antimicrobial properties, as well the ability to mechanically clean affected areas by producing an oxygenated foam. These substances have been used in wound healing either in skin or intraorally, as well as in oral hygiene for a long time. However, to date, no clinical trial examining the use of a hydrogen carbamide/peroxide product in oral wound healing, postoperative symptoms or dry mouth has been reported. Published clinical studies on the control of dental plaque and periodontal inflammation exhibit partially conflicting results. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06363955
Study type Interventional
Source National and Kapodistrian University of Athens
Contact
Status Completed
Phase N/A
Start date April 25, 2023
Completion date April 1, 2024

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