The viral load will be measured by quantitative reverse transcription PCR. Thus, a total of four saliva samples will be gathered from each patient. After that, different salivary samples will be collected at 5 minutes, 30 minutes, and then 60 minutes. After that, the participants will spit the mouthwashes into a disposable plastic cup. Then patients will be instructed to gargle the assigned mouth rinse gently, for 15 seconds. The first saliva sample will be considered as a baseline sample that represents the baseline viral load. Four saliva samples for each patient will be collected. Unstimulated saliva will be collected using the passive drool technique.
The participants will be blinded to all mouth rinses, which will be labeled with identification codes, and presented in similar packages. Demographic data and medical history will then be collected for each participant. Each participant will be introduced briefly to the study aims and then asked to sign a consent form.
Confirmed positive cases of COVID-19 will be recruited randomly at each TETAMMAN clinic based on inclusion and exclusion criteria to satisfy the total of 90 patients. The studied mouth rinses were: 1% povidone-iodine (PVP-I) (Betadine Mouthwash/Gargle Avrio Health LP, Stamford, CT, USA), 1.5% hydrogen peroxide (H2O2) (Peroxyl Colgate-Palmolive, Guildford, UK), 0.075% cetylpyridinium chloride (CPC) (Colgate Total Colgate-Palmolive, Guildford, UK), 80 ppm sodium hypochlorite (NaOCl) (Clinisept Dental Mouthwash Clinical Health Technologies, Hinckley, Leicestershire, UK). A total of four mouth rinses and two control groups (distilled water and no-rinse). The total number of participants in this study will be 90 participants, with 15 per group (6 groups), and 4 saliva specimens from each patient in each group. Saliva specimens will be collected from COVID-19-positive patients presenting to TETAMMAN clinics from January to March 2021. SARS-CoV-2 COVID-19 Mouthwashes Viral Load Polymerase Chain Reaction Coronavirus Covid19 Salivaĭrug: Distilled Water Drug: 1% Povidone Iodine (PVP-I) Drug: 1.5% Hydrogen Peroxide (H2O2) Drug: 0.075% Cetylpyridinium Chloride (CPC) Drug: 0.1% Sodium Hypochlorite Other: No rinse group
#SWISH WITH HYDROGEN PEROXIDE TRIAL#
The purpose of this clinical trial is to compare the efficacy of four commercially available mouth rinses povidone-iodine (PVP-I), hydrogen peroxide (H2O2), cetylpyridinium chloride (CPC), sodium hypochlorite (NaOCl) on the salivary SARS-CoV-2 viral load at four-time points (baseline and 5-, 30-, and 60-min post rinsing) relative to two control groups (distilled water and no-rinse) in a cohort of positive COVID-19 patients. The proposed study will mitigate the spread of COVID-19 disease in dental healthcare facilities and ensure the patients' good health and healthcare workers. However, no clinical studies have been done yet to support the effectiveness of any pre-procedural oral rinses against SARS-CoV-2.
Recent reviews have advocated the use of preoperative rinsing to control and reduce the risk of SARS-CoV-2 transmission. Thus, the reduction in the number of aerosolized microorganisms by pre-procedural rinsing may reduce cross-contamination between dentists, office personnel, and patients. During dental procedures, aerosolized microorganisms contaminate the dental environment and nearby surfaces and remain suspended for 4 hours. Preoperative antiseptic mouth rinses have been widely used as a standard protocol before routine dental treatment reduces oral microorganism counts. Why Should I Register and Submit Results?.
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