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Topical Antibiotics in Chronic Rhinosinusitis

Topical Antibiotics in Chronic Rhinosinusitis

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03673956
Enrollment
19
Registered
2018-09-17
Start date
2018-09-26
Completion date
2021-02-01
Last updated
2022-04-20

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

Conditions

Chronic Rhinosinusitis (Diagnosis)

Brief summary

Researchers are trying to find out if patients develop antibiotic resistant organisms after the use of topical antibiotics in the treatment of chronic rhinosinusitis.

Detailed description

There is a certain group of patients that has chronic rhinosinusitis that has continued even with treatment including saline and steroid nasal irrigations as well as oral steroids and antibiotics and surgery. In these patients, the use of topical antibiotic nasal rinses may be of benefit to their disease. The use of topical antibiotic nasal rinses is commonly used as standard of care already throughout the country for refractory chronic rhinosinusitis including here at the Mayo Clinic. Our pharmacy has compounded this medication for this specific purpose. As such, this study is not aimed at a 'novel medication', but rather to investigate the efficacy of a medication already in common use but without great evidence. The investigators are doing this research study to find out if patients develop antibiotic resistant organisms after the use of topical antibiotics in the treatment of chronic rhinosinusitis. In addition, this study will look at the effects of topical antibiotics on patient symptoms as measured by a patient survey called the Sino-Nasal Outcomes Test (SNOT-22) and in-office an exam of the inside of their nose, including with a scope (a camera on the end of a long tube).

Interventions

30mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.

DRUGTobramycin

240mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.

DRUGLevofloxacin

240mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.

DRUGVancomycin

240mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.

Sponsors

Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Male or female, between 18-80 years old, diagnosed with chronic rhinosinusitis who have undergone previous functional endoscopic sinus surgery including at minimum maxillary antrostomy and anterior ethmoidectomy * Active mucopurulence on endoscopic examination with corresponding culture demonstrating pathogenic bacterial growth * Completion of written informed consent * No prior enrollment into this study * Refractory to maximal medical therapy

Exclusion criteria

* Patient has not had prior endoscopic sinus surgery consisting of at minimum maxillary antrostomy and anterior ethmoidectomy * Patient is currently being treated with oral antibiotics * Patient has been treated with oral or topical antibiotics within the past 14 days * Participation in an investigational drug study simultaneously with participation in this study * Concurrent use of oral steroids * Allergy to Tobramycin, Mupirocin, Gentamicin and Levofloxacin * Known to currently be pregnant

Design outcomes

Primary

MeasureTime frameDescription
Subjects Who Developed Antibiotic Resistance OrganismsPost-intervention (within 21 days of intervention completion)Number of subjects who developed new antibiotic resistance organisms measured by nasal swab of the affected sinonasal cavity and sent for stain, culture, and sensitivity.

Secondary

MeasureTime frameDescription
Change in Patient Symptoms as Measured by the Sino-Nasal Outcomes Test (SNOT-22) SurveyBaseline, Post-intervention (within 21 days of intervention completion)Scores are measured from 0-5 in a 22-item validated survey. Total scores range from 0-110 with higher scores indicating greater burden of sinonasal symptoms.
Change in Patient Physical Exam as Measured by the Lund-Kennedy Endoscopic Exam Scores.Baseline, Post-intervention (within 21 days of intervention completion)Scores are measured on a 0-2 scale for nasal polyps, edema, and secretions in both right and left nasal cavities. Total scores range from 0 to 12 with higher scores indicating greater evidence of sinonasal disease on physical exam.

Countries

United States

Participant flow

Participants by arm

ArmCount
Mupirocin Antibiotic Nasal Saline Rinse
Subjects with a history of chronic rhinosinusitis (CRS) who had previously undergone endonasal sinus surgery (minimum of maxillary antrostomy and anterior ethmoidectomy), will receive a trial of Mupirocin topical antibiotic rinses. Subjects will undergo a baseline assessment including an aerobic sinus bacterial culture with antibiotic sensitivity to determine baseline microbial antibiotic resistance and to direct selection of appropriate topical antibiotic therapy. Mupirocin: 30mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.
12
Tobramycin Topical Antibiotic Nasal Saline Rinse
Subjects with a history of chronic rhinosinusitis (CRS) who had previously undergone endonasal sinus surgery (minimum of maxillary antrostomy and anterior ethmoidectomy), will receive a trial of Tobramycin topical antibiotic rinses. Subjects will undergo a baseline assessment including an aerobic sinus bacterial culture with antibiotic sensitivity to determine baseline microbial antibiotic resistance and to direct selection of appropriate topical antibiotic therapy. Tobramycin: 240mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.
1
Levofloxacin Topical Antibiotic Nasal Saline Rinse
Subjects with a history of chronic rhinosinusitis (CRS) who had previously undergone endonasal sinus surgery (minimum of maxillary antrostomy and anterior ethmoidectomy), will receive a trial of Levofloxacin topical antibiotic rinses. Subjects will undergo a baseline assessment including an aerobic sinus bacterial culture with antibiotic sensitivity to determine baseline microbial antibiotic resistance and to direct selection of appropriate topical antibiotic therapy. Levofloxacin: 240mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.
5
Vancomycin Topical Antibiotic Nasal Saline Rinse
Subjects with a history of chronic rhinosinusitis (CRS) who had previously undergone endonasal sinus surgery (minimum of maxillary antrostomy and anterior ethmoidectomy), will receive a trial of Vancomycin topical antibiotic rinses. Subjects will undergo a baseline assessment including an aerobic sinus bacterial culture with antibiotic sensitivity to determine baseline microbial antibiotic resistance and to direct selection of appropriate topical antibiotic therapy. Vancomycin: 240mg capsules dissolved in a standard 240mL saline irrigation rinse and self-administered through nasal saline irrigation twice per day over 30 days.
1
Total19

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyDid not use the prescribed topical antibiotics as directed1000
Overall StudyLost to Follow-up1000

Baseline characteristics

CharacteristicTotalTobramycin Topical Antibiotic Nasal Saline RinseLevofloxacin Topical Antibiotic Nasal Saline RinseVancomycin Topical Antibiotic Nasal Saline RinseMupirocin Antibiotic Nasal Saline Rinse
Age, Categorical
<=18 years
1 Participants0 Participants0 Participants0 Participants1 Participants
Age, Categorical
>=65 years
9 Participants1 Participants3 Participants1 Participants4 Participants
Age, Categorical
Between 18 and 65 years
9 Participants0 Participants2 Participants0 Participants7 Participants
Race and Ethnicity Not Collected0 Participants
Region of Enrollment
United States
19 participants1 participants5 participants1 participants12 participants
Sex: Female, Male
Female
12 Participants0 Participants4 Participants1 Participants7 Participants
Sex: Female, Male
Male
7 Participants1 Participants1 Participants0 Participants5 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 120 / 10 / 50 / 1
other
Total, other adverse events
0 / 121 / 11 / 50 / 1
serious
Total, serious adverse events
0 / 120 / 10 / 50 / 1

Outcome results

Primary

Subjects Who Developed Antibiotic Resistance Organisms

Number of subjects who developed new antibiotic resistance organisms measured by nasal swab of the affected sinonasal cavity and sent for stain, culture, and sensitivity.

Time frame: Post-intervention (within 21 days of intervention completion)

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Mupirocin Antibiotic Nasal Saline RinseSubjects Who Developed Antibiotic Resistance Organisms0 Participants
Tobramycin Topical Antibiotic Nasal Saline RinseSubjects Who Developed Antibiotic Resistance Organisms0 Participants
Levofloxacin Topical Antibiotic Nasal Saline RinseSubjects Who Developed Antibiotic Resistance Organisms1 Participants
Vancomycin Topical Antibiotic Nasal Saline RinseSubjects Who Developed Antibiotic Resistance Organisms0 Participants
Secondary

Change in Patient Physical Exam as Measured by the Lund-Kennedy Endoscopic Exam Scores.

Scores are measured on a 0-2 scale for nasal polyps, edema, and secretions in both right and left nasal cavities. Total scores range from 0 to 12 with higher scores indicating greater evidence of sinonasal disease on physical exam.

Time frame: Baseline, Post-intervention (within 21 days of intervention completion)

ArmMeasureValue (MEAN)Dispersion
Mupirocin Antibiotic Nasal Saline RinseChange in Patient Physical Exam as Measured by the Lund-Kennedy Endoscopic Exam Scores.-5.3 units on a scaleStandard Deviation 2.8
Tobramycin Topical Antibiotic Nasal Saline RinseChange in Patient Physical Exam as Measured by the Lund-Kennedy Endoscopic Exam Scores.-3 units on a scale
Levofloxacin Topical Antibiotic Nasal Saline RinseChange in Patient Physical Exam as Measured by the Lund-Kennedy Endoscopic Exam Scores.-2.4 units on a scaleStandard Deviation 2.4
Vancomycin Topical Antibiotic Nasal Saline RinseChange in Patient Physical Exam as Measured by the Lund-Kennedy Endoscopic Exam Scores.0 units on a scale
Secondary

Change in Patient Symptoms as Measured by the Sino-Nasal Outcomes Test (SNOT-22) Survey

Scores are measured from 0-5 in a 22-item validated survey. Total scores range from 0-110 with higher scores indicating greater burden of sinonasal symptoms.

Time frame: Baseline, Post-intervention (within 21 days of intervention completion)

ArmMeasureValue (MEAN)Dispersion
Mupirocin Antibiotic Nasal Saline RinseChange in Patient Symptoms as Measured by the Sino-Nasal Outcomes Test (SNOT-22) Survey-18 units on a scaleStandard Deviation 21.8
Tobramycin Topical Antibiotic Nasal Saline RinseChange in Patient Symptoms as Measured by the Sino-Nasal Outcomes Test (SNOT-22) Survey14 units on a scale
Levofloxacin Topical Antibiotic Nasal Saline RinseChange in Patient Symptoms as Measured by the Sino-Nasal Outcomes Test (SNOT-22) Survey-25.5 units on a scaleStandard Deviation 34.6
Vancomycin Topical Antibiotic Nasal Saline RinseChange in Patient Symptoms as Measured by the Sino-Nasal Outcomes Test (SNOT-22) Survey-11 units on a scale

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