Trial Outcomes & Findings for Phase 3 Study of OTO-201 in Acute Otitis Externa (NCT NCT02801370)

NCT ID: NCT02801370

Last Updated: 2020-10-19

Results Overview

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

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

262 participants

Primary outcome timeframe

At Day 8 (1 week after dosing)

Results posted on

2020-10-19

Participant Flow

Participant milestones

Participant milestones
Measure
12 mg OTO-201
12 mg ciprofloxacin: single administration
Control
Sham Control: Simulated, single adminstration
Overall Study
STARTED
130
132
Overall Study
COMPLETED
123
132
Overall Study
NOT COMPLETED
7
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Phase 3 Study of OTO-201 in Acute Otitis Externa

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Control
n=130 Participants
Sham Control: Simulated, single administration
Total
n=260 Participants
Total of all reporting groups
12 mg OTO-201
n=130 Participants
12 mg ciprofloxacin: single administration
Age, Continuous
34.796 years
STANDARD_DEVIATION 19.2708 • n=107 Participants
35.760 years
STANDARD_DEVIATION 19.9244 • n=206 Participants
36.724 years
STANDARD_DEVIATION 20.5866 • n=99 Participants
Sex: Female, Male
Female
75 Participants
n=107 Participants
150 Participants
n=206 Participants
75 Participants
n=99 Participants
Sex: Female, Male
Male
55 Participants
n=107 Participants
110 Participants
n=206 Participants
55 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
43 Participants
n=107 Participants
84 Participants
n=206 Participants
41 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
86 Participants
n=107 Participants
173 Participants
n=206 Participants
87 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=107 Participants
3 Participants
n=206 Participants
2 Participants
n=99 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=99 Participants
Race (NIH/OMB)
Asian
3 Participants
n=107 Participants
3 Participants
n=206 Participants
0 Participants
n=99 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=107 Participants
1 Participants
n=206 Participants
1 Participants
n=99 Participants
Race (NIH/OMB)
Black or African American
15 Participants
n=107 Participants
29 Participants
n=206 Participants
14 Participants
n=99 Participants
Race (NIH/OMB)
White
109 Participants
n=107 Participants
220 Participants
n=206 Participants
111 Participants
n=99 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=99 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants
n=107 Participants
7 Participants
n=206 Participants
4 Participants
n=99 Participants
Region of Enrollment
United States
130 participants
n=107 Participants
260 participants
n=206 Participants
130 participants
n=99 Participants

PRIMARY outcome

Timeframe: At Day 8 (1 week after dosing)

Population: Intent-to-treat analysis set: All subjects who were randomized and did not have Group A Streptococci cultured on Day 1

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

Outcome measures

Outcome measures
Measure
12 mg OTO-201
n=130 Participants
12 mg ciprofloxacin: single administration
Control
n=130 Participants
Sham Control: Simulated, single adminstration
Number of Subjects Considered a Clinical Cure at Day 8
91 Participants
63 Participants

SECONDARY outcome

Timeframe: At Day 15 (2 weeks after dosing)

Population: Intent-to-treat analysis set: All subjects who were randomized and and did not have Group A Streptococci cultured on Day 1.

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

Outcome measures

Outcome measures
Measure
12 mg OTO-201
n=130 Participants
12 mg ciprofloxacin: single administration
Control
n=130 Participants
Sham Control: Simulated, single adminstration
Number of Subjects Considered a Clinical Cure at Day 15
97 Participants
69 Participants

Adverse Events

12 mg OTO-201

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Control

Serious events: 0 serious events
Other events: 18 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
12 mg OTO-201
n=127 participants at risk
12 mg ciprofloxacin: single administration
Control
n=132 participants at risk
Sham Control: Simulated, single administration
Infections and infestations
Otitis externa
2.4%
3/127 • Adverse events were reported during dosing and up to 1 month following dosing.
6.8%
9/132 • Adverse events were reported during dosing and up to 1 month following dosing.
Ear and labyrinth disorders
Ear Pain
2.4%
3/127 • Adverse events were reported during dosing and up to 1 month following dosing.
2.3%
3/132 • Adverse events were reported during dosing and up to 1 month following dosing.
Ear and labyrinth disorders
Ear pruritis
2.4%
3/127 • Adverse events were reported during dosing and up to 1 month following dosing.
1.5%
2/132 • Adverse events were reported during dosing and up to 1 month following dosing.
Skin and subcutaneous tissue disorders
Erythema
0.00%
0/127 • Adverse events were reported during dosing and up to 1 month following dosing.
2.3%
3/132 • Adverse events were reported during dosing and up to 1 month following dosing.
Nervous system disorders
Headache
2.4%
3/127 • Adverse events were reported during dosing and up to 1 month following dosing.
0.76%
1/132 • Adverse events were reported during dosing and up to 1 month following dosing.

Additional Information

Medical Information Call Center

Otonomy

Phone: 1-800-826-6411

Results disclosure agreements

  • Principal investigator is a sponsor employee Publication subject to Sponsor consent.
  • Publication restrictions are in place

Restriction type: OTHER