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PVP-I Nasal Sprays and SARS-CoV-2 Nasopharyngeal Titers (for COVID-19)

Effect of PVP-I Nasal Sprays vs Normal Saline Nasal Sprays on SARS-CoV-2 Nasopharyngeal Titers

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04347954
Enrollment
47
Registered
2020-04-15
Start date
2020-08-15
Completion date
2020-12-13
Last updated
2021-10-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Keywords

nasal spray, PVP-I, COVID-19

Brief summary

The study aims to determine the safety and efficacy of povidone-iodine (PVP-I) containing nasal sprays as compared to isotonic saline nasal sprays in COVID-19 positive patients. The primary outcome measure is SARS-CoV-2 viral titers in the nasal cavity and nasopharynx. In vitro studies have shown PVP-I to be highly virucidal against the viruses which cause SARS and MERS. Additionally, clinical studies have shown PVP-I saline sprays to be well tolerated in human subjects. PVP-I oral rinses and sprays have been trialed as methods to reduce the incidence and symptoms of viruses which cause the common cold.

Interventions

DRUGPovidone-Iodine 2%

Two sprays to each nare of PVP-I 2% via nasal spray bottle, four times a day

DRUGPovidone-Iodine 0.5%

Two sprays to each nare of PVP-I 0.5% via nasal spray bottle, four times a day

Two sprays to each nare of isotonic saline (0.9% NaCl) via nasal spray bottle, four times a day

Sponsors

Stanford University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Diagnosis of COVID-19 by lab test within 5 days of study participation

Exclusion criteria

* Allergy to iodine, shellfish, or food dye * Receiving intranasal steroids * Sinus surgery within 30 days of beginning the study * Intubated at the time of enrollment * Pregnancy * Participation in other COVID-19 studies - to be determined on a case by case basis

Design outcomes

Primary

MeasureTime frameDescription
Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Day 1 (baseline), Day 1 (1 hour), Day 3Nasopharyngeal swabs were obtained and quantitative reverse transcription-polymerase chain reaction (RT-PCR) testing was performed to determine the viral load in the nasopharynx. Cycle threshold (Ct) denotes how many PCR cycles are required before the SARS-CoV-2 viral RNA reached a detectable level. Higher Ct values correspond to lower viral copy numbers. For reference, Ct values of 20 correspond to \ 2.12 x 106 viral copies per milliliter, while a Ct value of 40 is undetectable and is considered the lower limit of detection of this RT-PCR test for SARS-CoV-2.

Secondary

MeasureTime frameDescription
Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced fevers at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'
Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced chills at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'
Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced fatigue at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'
Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced loss of sense of smell at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'
Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysAssessed on days 3 and 5Participants were asked on day 3 whether they experienced the adverse event since baseline, then asked on day 5 whether they experienced the adverse event since day 3 (collected by questionnaire). Adverse events of interest include: Nasal burning/pain, headaches, ear pain, sneezing, and nose bleeds.
Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced nasal congestion at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'
Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced sore throat at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'
Compliance With Study Drug Administration5 daysParticipants were asked to estimated doses completed at day 5 (0-25%, 26-50%, 51-75%, or 76-100%). The count of participants who estimated their compliance to be within each range is reported.
Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Day 1 (baseline), Day 30Participants scratch test cards and attempt to identify the smell from a multiple choice set of options. Their scores are then computed and categorized as normosmia (normal), mild, moderate, or severe microsmia (loss of smell), or anosmia (total loss of smell).
Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Assessed on days 3 and 5Count of participants that experienced loss of sense of taste at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Countries

United States

Participant flow

Pre-assignment details

265 patients were assessed for eligibility; 47 patients were randomized into the study,

Participants by arm

ArmCount
Isotonic Saline 0.9%
Participants administer 2 sprays of isotonic saline (0.9% NaCl) to each nare via nasal spray bottle, four times a day for 5 days.
11
Povidone-Iodine 0.5%
Participants administer 2 sprays of PVP-I 0.5% to each nare via nasal spray bottle, four times a day for 5 days.
11
Povidone-Iodine 2%
Participants administer 2 sprays of PVP-I 2% to each nare via nasal spray bottle, four times a day for 5 days.
13
Total35

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyDid not present to study site for allocated intervention303
Overall StudyLost to Follow-up010

Baseline characteristics

CharacteristicPovidone-Iodine 0.5%Povidone-Iodine 2%TotalIsotonic Saline 0.9%
Active tobacco use0 Participants0 Participants0 Participants0 Participants
Age, Continuous45.2 years
STANDARD_DEVIATION 12.2
40.7 years
STANDARD_DEVIATION 19.9
43.2 years
STANDARD_DEVIATION 18
44.2 years
STANDARD_DEVIATION 15.6
Comorbidities
Cardiac disease
1 Participants1 Participants2 Participants0 Participants
Comorbidities
Neurodegenerative disease
0 Participants0 Participants0 Participants0 Participants
Comorbidities
Respiratory disease/Asthma
0 Participants0 Participants2 Participants2 Participants
Comorbidities
Sinusitis/allergy
1 Participants0 Participants3 Participants2 Participants
Days since positive COVID test to enrollment3.7 days
STANDARD_DEVIATION 1.5
3.0 days
STANDARD_DEVIATION 1.1
3.5 days
STANDARD_DEVIATION 1.9
3.9 days
STANDARD_DEVIATION 2.8
Days since symptoms to enrollment7.2 days
STANDARD_DEVIATION 2.6
7.1 days
STANDARD_DEVIATION 3.2
6.3 days
STANDARD_DEVIATION 2.8
4.8 days
STANDARD_DEVIATION 2.2
Noted change to taste or smell at enrollment6 Participants8 Participants19 Participants5 Participants
Prior Treatment
None
10 Participants12 Participants33 Participants11 Participants
Prior Treatment
Saline nasal irrigations
1 Participants0 Participants1 Participants0 Participants
Prior Treatment
Tylenol/NSAIDs
0 Participants1 Participants1 Participants0 Participants
Race/Ethnicity, Customized
Asian
1 Participants0 Participants3 Participants2 Participants
Race/Ethnicity, Customized
Hispanic
3 Participants3 Participants7 Participants1 Participants
Race/Ethnicity, Customized
White
7 Participants10 Participants25 Participants8 Participants
Region of Enrollment
United States
11 Participants13 Participants35 Participants11 Participants
Risk factors for smell loss
History of head trauma
0 Participants0 Participants0 Participants0 Participants
Risk factors for smell loss
History of sinus surgery
0 Participants2 Participants2 Participants0 Participants
Sex: Female, Male
Female
5 Participants5 Participants18 Participants8 Participants
Sex: Female, Male
Male
6 Participants8 Participants17 Participants3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 150 / 150 / 17
other
Total, other adverse events
6 / 156 / 1513 / 17
serious
Total, serious adverse events
0 / 150 / 150 / 17

Outcome results

Primary

Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2

Nasopharyngeal swabs were obtained and quantitative reverse transcription-polymerase chain reaction (RT-PCR) testing was performed to determine the viral load in the nasopharynx. Cycle threshold (Ct) denotes how many PCR cycles are required before the SARS-CoV-2 viral RNA reached a detectable level. Higher Ct values correspond to lower viral copy numbers. For reference, Ct values of 20 correspond to \ 2.12 x 106 viral copies per milliliter, while a Ct value of 40 is undetectable and is considered the lower limit of detection of this RT-PCR test for SARS-CoV-2.

Time frame: Day 1 (baseline), Day 1 (1 hour), Day 3

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (MEAN)Dispersion
Isotonic Saline 0.9%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Baseline24.36 cyclesStandard Deviation 6.83
Isotonic Saline 0.9%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Hour 125.71 cyclesStandard Deviation 6.87
Isotonic Saline 0.9%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Day 329.20 cyclesStandard Deviation 6.82
Povidone-Iodine 0.5%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Day 336.26 cyclesStandard Deviation 21.56
Povidone-Iodine 0.5%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Hour 126.46 cyclesStandard Deviation 5.36
Povidone-Iodine 0.5%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Baseline26.03 cyclesStandard Deviation 4.86
Povidone-Iodine 2%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Baseline28.42 cyclesStandard Deviation 6.42
Povidone-Iodine 2%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Hour 127.45 cyclesStandard Deviation 8.09
Povidone-Iodine 2%Mean Cycle Threshold (Ct) Values Through Day 3 as a Measure of Change in Viral Titers of SARS-CoV-2Day 331.01 cyclesStandard Deviation 7.12
Comparison: Analysis of change in mean Ct values incorporating baseline, hour 1, and day 3 values.95% CI: [-1.584, 0.886]
Comparison: Analysis of change in mean Ct values incorporating baseline, hour 1, and day 3 values.95% CI: [-2.318, 0.201]
Secondary

Compliance With Study Drug Administration

Participants were asked to estimated doses completed at day 5 (0-25%, 26-50%, 51-75%, or 76-100%). The count of participants who estimated their compliance to be within each range is reported.

Time frame: 5 days

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Compliance With Study Drug Administration76-100% compliant11 Participants
Isotonic Saline 0.9%Compliance With Study Drug Administration51-75% compliant0 Participants
Isotonic Saline 0.9%Compliance With Study Drug Administration26-50% compliant0 Participants
Isotonic Saline 0.9%Compliance With Study Drug Administration0-25% compliant0 Participants
Povidone-Iodine 0.5%Compliance With Study Drug Administration0-25% compliant0 Participants
Povidone-Iodine 0.5%Compliance With Study Drug Administration76-100% compliant11 Participants
Povidone-Iodine 0.5%Compliance With Study Drug Administration26-50% compliant0 Participants
Povidone-Iodine 0.5%Compliance With Study Drug Administration51-75% compliant0 Participants
Povidone-Iodine 2%Compliance With Study Drug Administration0-25% compliant0 Participants
Povidone-Iodine 2%Compliance With Study Drug Administration51-75% compliant0 Participants
Povidone-Iodine 2%Compliance With Study Drug Administration26-50% compliant0 Participants
Povidone-Iodine 2%Compliance With Study Drug Administration76-100% compliant13 Participants
Secondary

Count of Participants Experiencing Adverse Events of Interest After Nasal Sprays

Participants were asked on day 3 whether they experienced the adverse event since baseline, then asked on day 5 whether they experienced the adverse event since day 3 (collected by questionnaire). Adverse events of interest include: Nasal burning/pain, headaches, ear pain, sneezing, and nose bleeds.

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNasal burning or pain - Day 34 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysEar pain - Day 31 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNasal burning or pain - Day 52 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysHeadaches - Day 33 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysHeadaches - Day 52 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysEar pain - Day 51 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysSneezing - Day 34 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysSneezing - Day 54 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNose bleeds - Day 31 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNose bleeds - Day 51 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNose bleeds - Day 30 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysEar pain - Day 50 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysEar pain - Day 30 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNasal burning or pain - Day 32 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNose bleeds - Day 50 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysSneezing - Day 51 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNasal burning or pain - Day 52 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysHeadaches - Day 52 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysSneezing - Day 31 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysHeadaches - Day 33 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysSneezing - Day 39 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysHeadaches - Day 56 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysEar pain - Day 32 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysEar pain - Day 52 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNose bleeds - Day 31 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysHeadaches - Day 35 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNose bleeds - Day 51 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNasal burning or pain - Day 313 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysNasal burning or pain - Day 513 Participants
Povidone-Iodine 2%Count of Participants Experiencing Adverse Events of Interest After Nasal SpraysSneezing - Day 59 Participants
Secondary

Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced chills at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild2 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild1 Participants
Povidone-Iodine 2%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Chills as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Secondary

Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced fatigue at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild3 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate2 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild4 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild3 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild5 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate3 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild6 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild2 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fatigue as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Secondary

Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced fevers at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Fevers as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Secondary

Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced loss of sense of smell at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe2 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild2 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild2 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild3 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe1 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate1 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe1 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate2 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe4 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild2 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Smell as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild3 Participants
Secondary

Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced loss of sense of taste at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild3 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild4 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate1 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe2 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe3 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild2 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate1 Participants
Povidone-Iodine 2%Count of Participants Experiencing Loss of Sense of Taste as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild3 Participants
Secondary

Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced nasal congestion at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild5 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate2 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild5 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate3 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild4 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild5 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate2 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate1 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild7 Participants
Povidone-Iodine 2%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild6 Participants
Povidone-Iodine 2%Count of Participants Experiencing Nasal Congestion as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate4 Participants
Secondary

Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2

Count of participants that experienced sore throat at either mild, moderate, or severe intensity. Participants were asked on day 3 whether they experienced the symptom since baseline, then asked on day 5 whether they experienced the symptom since day 3. Participants rated the severity of their symptoms on a 4-point Likert scale with 1 representing 'not experiencing that symptom,' 2 representing mild symptoms, 3 representing 'moderate symptoms,' and 4 representing 'severe symptoms.'

Time frame: Assessed on days 3 and 5

Population: Participants who received the allocated intervention and completed the study; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild1 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild4 Participants
Isotonic Saline 0.9%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 0.5%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Moderate0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Severe0 Participants
Povidone-Iodine 2%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 3 - Mild4 Participants
Povidone-Iodine 2%Count of Participants Experiencing Sore Throat as a Measure of Frequency of Symptoms Related to SARS-CoV-2Day 5 - Mild2 Participants
Secondary

Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)

Participants scratch test cards and attempt to identify the smell from a multiple choice set of options. Their scores are then computed and categorized as normosmia (normal), mild, moderate, or severe microsmia (loss of smell), or anosmia (total loss of smell).

Time frame: Day 1 (baseline), Day 30

Population: Participants who received the allocated intervention and completed the study and with data available for the respective time point; participants with negative PCR nasal swab results at baseline or incomplete data were excluded.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Mild microsmia - baseline2 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Severe microsmia - baseline3 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Mild microsmia - day 305 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Normosmia - baseline2 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Normosmia - day 303 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Anosmia - Baseline2 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Severe microsmia - day 302 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Anosmia - day 300 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Moderate microsmia - baseline2 Participants
Isotonic Saline 0.9%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Moderate microsmia - day 300 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Mild microsmia - baseline0 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Severe microsmia - day 301 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Moderate microsmia - day 300 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Mild microsmia - day 302 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Anosmia - Baseline4 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Normosmia - baseline3 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Severe microsmia - baseline1 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Moderate microsmia - baseline2 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Normosmia - day 308 Participants
Povidone-Iodine 0.5%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Anosmia - day 300 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Normosmia - day 307 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Mild microsmia - day 303 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Anosmia - Baseline5 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Anosmia - day 300 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Severe microsmia - baseline1 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Severe microsmia - day 301 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Moderate microsmia - baseline2 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Moderate microsmia - day 301 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Mild microsmia - baseline3 Participants
Povidone-Iodine 2%Count of Participants Normosmia, Microsmia, or Anosmia as a Measure of Change in the University of Pennsylvania Smell Identification Test (UPSIT)Normosmia - baseline1 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026