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OTO-201 for the Treatment of Otitis Externa

A 1-Month, Prospective, Multicenter, Open-Label Study of OTO-201 Given as a Single Administration for Treatment of Otitis Externa

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02511561
Enrollment
75
Registered
2015-07-30
Start date
2015-07-31
Completion date
2015-11-30
Last updated
2020-10-19

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

Conditions

Otitis Externa

Keywords

Otitis externa, Swimmer's ear, Ear infection

Brief summary

This is a 1-month, multicenter, open-label study in subjects with unilateral otitis externa. Eligible subjects will receive a single dose of 6 mg OTO-201 to the affected ear. The study is designed to characterize safety, procedural factors and clinical effect of OTO-201 administered in subjects with otitis externa.

Interventions

Sponsors

Otonomy, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
6 Months to 80 Years
Healthy volunteers
No

Inclusion criteria

includes, but is not limited to: * Subject is a male or female aged 6 months to 80 years, inclusive * Subject has a clinical diagnosis of unilateral otitis externa * Subject or subject's caregiver is willing to comply with the protocol and attend all study visits

Exclusion criteria

includes, but is not limited to: * Subject has tympanic membrane perforation * Subject has a history of known immunodeficiency disease * Subject has fungal otitis externa, based on clinical signs

Design outcomes

Primary

MeasureTime frameDescription
Otoscopic Examination: Tympanic MembraneUp to 1 monthNumber of subjects with a tympanic membrane that was rated as Not able to Visualize or Abnormal at Baseline that was rated as Normal at Day 29 (final study day)
Otoscopic Examination: Middle EarUp to 1 monthNumber of subjects with a middle ear that was rated as Not Able to Visualize or Abnormal at Baseline that had a middle ear rated as Normal at Day 29 (final study visit)
Feasibility of AdministrationDay1Ease of administering OTO-201 to the external ear canal. Number of subjects that investigators rated ease of administration as either easy or very easy.
Overall Adverse Eventsup to 1 monthNumber of Subjects with and without adverse events during the study from dosing up to 1 month after dosing

Secondary

MeasureTime frameDescription
Number of Subjects Considered a Clinical Cure at Day 15 (Intent-to-treat Analysis Set)Day 15 (two weeks from dosing)Clinical Signs (edema, erythema, otorrhea and otalgia) all had a score of 0 at Day 15. Each sign was graded as follows: None = 0 Mild = 1 Moderate = 2 Severe = 3
Number of Subjects Considered a Clinical Cure at Day 15 (Per-protocol Analysis Set)Day 15 (2 weeks from dosing)Clinical Signs (edema, erythema, otorrhea and otalgia) all had a score of 0 at Day 15. Each sign was graded as follows: None = 0 Mild = 1 Moderate = 2 Severe = 3

Countries

United States

Participant flow

Participants by arm

ArmCount
6 mg OTO-201
6 mg ciprofloxacin: single administration
25
12 mg OTO-201
12 mg ciprofloxacin: single administration
25
24 mg OTO-201
24 mg ciprofloxacin: single administration
25
Total75

Baseline characteristics

Characteristic6 mg OTO-201Total24 mg OTO-20112 mg OTO-201
Age, Continuous38.8 years
STANDARD_DEVIATION 21.95
37.3 years
STANDARD_DEVIATION 22.37
43.0 years
STANDARD_DEVIATION 23.74
30.0 years
STANDARD_DEVIATION 20.12
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants12 Participants2 Participants6 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
21 Participants63 Participants23 Participants19 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants2 Participants2 Participants0 Participants
Race (NIH/OMB)
Black or African American
3 Participants11 Participants5 Participants3 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants1 Participants0 Participants1 Participants
Race (NIH/OMB)
White
22 Participants61 Participants18 Participants21 Participants
Region of Enrollment
United States
25 participants75 participants25 participants25 participants
Sex: Female, Male
Female
12 Participants35 Participants12 Participants11 Participants
Sex: Female, Male
Male
13 Participants40 Participants13 Participants14 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 250 / 250 / 25
other
Total, other adverse events
2 / 255 / 2510 / 25
serious
Total, serious adverse events
0 / 250 / 250 / 25

Outcome results

Primary

Feasibility of Administration

Ease of administering OTO-201 to the external ear canal. Number of subjects that investigators rated ease of administration as either easy or very easy.

Time frame: Day1

Population: Safety analysis set: All subjects who receieved study drug

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
6 mg OTO-201Feasibility of Administration24 Participants
12 mg OTO-201Feasibility of Administration25 Participants
24 mg OTO-201Feasibility of Administration25 Participants
Primary

Otoscopic Examination: Middle Ear

Number of subjects with a middle ear that was rated as Not Able to Visualize or Abnormal at Baseline that had a middle ear rated as Normal at Day 29 (final study visit)

Time frame: Up to 1 month

Population: Safety analysis set: All subjects that received drug

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
6 mg OTO-201Otoscopic Examination: Middle Ear8 Participants
12 mg OTO-201Otoscopic Examination: Middle Ear7 Participants
24 mg OTO-201Otoscopic Examination: Middle Ear8 Participants
Primary

Otoscopic Examination: Tympanic Membrane

Number of subjects with a tympanic membrane that was rated as Not able to Visualize or Abnormal at Baseline that was rated as Normal at Day 29 (final study day)

Time frame: Up to 1 month

Population: Safety analysis set: All subjects who received study drug.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
6 mg OTO-201Otoscopic Examination: Tympanic Membrane6 Participants
12 mg OTO-201Otoscopic Examination: Tympanic Membrane8 Participants
24 mg OTO-201Otoscopic Examination: Tympanic Membrane8 Participants
Primary

Overall Adverse Events

Number of Subjects with and without adverse events during the study from dosing up to 1 month after dosing

Time frame: up to 1 month

Population: Safety analysis set: All subjects that received study drug

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
6 mg OTO-201Overall Adverse EventsNumber of subjects with at least 1 adverse event8 Participants
6 mg OTO-201Overall Adverse EventsNumber of subjects with no adverse events17 Participants
12 mg OTO-201Overall Adverse EventsNumber of subjects with at least 1 adverse event9 Participants
12 mg OTO-201Overall Adverse EventsNumber of subjects with no adverse events16 Participants
24 mg OTO-201Overall Adverse EventsNumber of subjects with at least 1 adverse event13 Participants
24 mg OTO-201Overall Adverse EventsNumber of subjects with no adverse events12 Participants
Secondary

Number of Subjects Considered a Clinical Cure at Day 15 (Intent-to-treat Analysis Set)

Clinical Signs (edema, erythema, otorrhea and otalgia) all had a score of 0 at Day 15. Each sign was graded as follows: None = 0 Mild = 1 Moderate = 2 Severe = 3

Time frame: Day 15 (two weeks from dosing)

Population: Intent-to-treat analysis set: All subjects who were randomized and were used for assessments of clinical activity

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
6 mg OTO-201Number of Subjects Considered a Clinical Cure at Day 15 (Intent-to-treat Analysis Set)14 Participants
12 mg OTO-201Number of Subjects Considered a Clinical Cure at Day 15 (Intent-to-treat Analysis Set)19 Participants
24 mg OTO-201Number of Subjects Considered a Clinical Cure at Day 15 (Intent-to-treat Analysis Set)16 Participants
Secondary

Number of Subjects Considered a Clinical Cure at Day 15 (Per-protocol Analysis Set)

Clinical Signs (edema, erythema, otorrhea and otalgia) all had a score of 0 at Day 15. Each sign was graded as follows: None = 0 Mild = 1 Moderate = 2 Severe = 3

Time frame: Day 15 (2 weeks from dosing)

Population: Per-protocol Analysis Set defined as all subjects in the ITT analysis set who received study drug, completed Visit 4 (Day 15), and did not have a major protocol deviation.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
6 mg OTO-201Number of Subjects Considered a Clinical Cure at Day 15 (Per-protocol Analysis Set)13 Participants
12 mg OTO-201Number of Subjects Considered a Clinical Cure at Day 15 (Per-protocol Analysis Set)19 Participants
24 mg OTO-201Number of Subjects Considered a Clinical Cure at Day 15 (Per-protocol Analysis Set)15 Participants

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