Povidone-Iodine Oral Rinse Study
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ClinicalTrials.gov Identifier: NCT05239598 |
Recruitment Status :
Recruiting
First Posted : February 15, 2022
Last Update Posted : March 29, 2022
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Condition or disease | Intervention/treatment | Phase |
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COVID-19 | Drug: Mouth rinse | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 40 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Investigator, Outcomes Assessor) |
Primary Purpose: | Prevention |
Official Title: | A Phase II, Randomized Trial to Test the Effect of Povidone-iodine 0.5% as Mouthwash/Gargle on SARS-CoV-2 Load (COVID 19) as an Adjuvant Infection Control Measure in Dental Practice |
Actual Study Start Date : | February 7, 2022 |
Estimated Primary Completion Date : | July 2022 |
Estimated Study Completion Date : | December 2022 |

Arm | Intervention/treatment |
---|---|
Experimental: Povidone-iodine 0.5% antiseptic mouth rinse
Subjects will be asked to rinse/gargle one time with 10 mL of Povidone-iodine 0.5% antiseptic mouth rinse for 30 seconds.
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Drug: Mouth rinse
Subjects will be asked to rinse/gargle one time with 10 mL of assigned mouth rinse for 30 seconds. |
Placebo Comparator: Placebo
Subjects will be asked to rinse/gargle one time with 10 mL of placebo mouth rinse for 30 seconds.
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Drug: Mouth rinse
Subjects will be asked to rinse/gargle one time with 10 mL of assigned mouth rinse for 30 seconds. |
- Change in viral load in oral cavity [ Time Frame: 5 minutes, 30 minutes, 60 minutes after intervention ]The primary outcome is the change in amount of SARS-CoV-2 in the oral cavity before and after intervention.
- Clinical status after using antiseptic mouth rinse for 7 days [ Time Frame: 7 days ]Subject's clinical status at day 7 and the number of COVID-19 symptoms, symptoms onset and the severity of symptoms will be collected throughout Phase 2 of the study.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Able and willing to provide informed consent prior to initiation of study procedures.
- Stated willingness to comply with all study procedures and availability for the duration of the study.
- Male or female, aged 18 years and older.
- Clinical diagnosis of COVID-19 infection confirmed with a positive point of care test.
- Confirmed diagnosis within 5 days of baseline visit (within 5 days of COVID-19 test) and at least one clinical COVID-19 symptom [*Signs and symptoms of COVID-19 present at illness onset vary, but over the course of the disease, most people will experience the following: fever or chills, cough, shortness of breath or difficulty breathing, fatigue, muscle or body aches, headache, new loss of taste of smell, sore throat, congestion or runny nose, nausea or vomiting and diarrhea.]
- Presents with a minimum of six natural teeth.
- Ability to rinse/gargle with study products.
- Not using mouth rinse/gargling solutions at the time of enrollment.
- Not taking antimicrobial medications (antibacterial, antiviral, antibiotics, including hydroxychloroquine) at time of enrollment.
- Ability to participate in the study and come to site during Phase I of the study for collection of swabs and saliva.
- Willing to use an acceptable method of birth control throughout duration of the study. Acceptable methods include hormonal contraceptives, barrier methods, abstinence, or other effective methods approved by the PI.
- If continuing to Phase II of the trial, ability to continue using study products for 1 week (+ 3 days). (Participants do not have to agree to participate in Phase II in order to participate in Phase I.)
- If continuing to Phase II of the trial, agree to receive text messages/phone calls containing questionnaires regarding compliance and use of study product, and reminders, able to complete virtual follow-up study visit for collection of outcomes data.
Exclusion Criteria:
- Individuals receiving antiviral medications
- Pregnant or breastfeeding women (for premenopausal women of childbearing potential, pregnancy status to be confirmed through a urine pregnancy test during the study visit)
- Inability to comply with study protocol
- Having an allergy to any of the study mouthwash ingredients
- Having any thyroid condition.
- Presents with a current suspicious oral lesion at the examiner's discretion, and/or currently undergoing radiation therapy for head or neck cancer, and/or has received radiation therapy to the head or neck (including radioactive iodine therapy).

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05239598
Contact: Michelle Shuster, MPH | 2155736243 | mbs74@upenn.edu |
United States, Pennsylvania | |
University of Pennsylvania | Recruiting |
Philadelphia, Pennsylvania, United States, 19104 | |
Contact: Michelle Shuster, MPH 215-573-6243 mbs74@upenn.edu | |
Principal Investigator: Patricia Corby, DDS, MS |
Principal Investigator: | Patricia Corby, DDS, MS | University of Pennsylvania |
Responsible Party: | University of Pennsylvania |
ClinicalTrials.gov Identifier: | NCT05239598 |
Other Study ID Numbers: |
849386 |
First Posted: | February 15, 2022 Key Record Dates |
Last Update Posted: | March 29, 2022 |
Last Verified: | March 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | No |
COVID-19 Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases |
Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |