Otitis Media Recurrent, Otitis Media With Effusion in Children
Conditions
Brief summary
The purpose of this study is to describe the pharmacokinetics (PK) of EXE844 Sterile Otic Suspension, 0.3% following a single bilateral ototopical dose in pediatric subjects, immediately after bilateral tympanostomy tube surgery.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Recurrent acute otitis media (RAOM) or chronic otitis media with effusion (COME) and eligible for bilateral myringotomy and tympanostomy tube insertion; * Legally Authorized Representative (LAR) must read and sign the informed consent; * Parent or caregiver must agree to complete the required study visits and comply with the requirements of the study; * Other protocol-specified inclusion criteria may apply.
Exclusion criteria
* Menarcheal females; * Previous otologic or otologic-related surgery within the past 30 days or ongoing complications; * Existing perforation of the eardrum; * Current acute otitis externa (AOE), malignant otitis externa (MOE) or other conditions which could interfere with evaluation of the study drug; * Any systemic disease or disorder, complicating factor or structural abnormality that would negatively affect the conduct or outcome of the study; * Use of prohibited medications or inadequate washout of any medication including systemic and topical antibiotics, steroids and/or analgesics; * Weighs less than 8 kg; * Other protocol-specified
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Maximum Analyte Plasma Concentration (Cmax) | Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose | Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. |
| Time to Reach Maximum Concentration (Tmax) | Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose | Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. |
| Area Under the Plasma Concentration-time Curve to the Last Quantifiable Sampling Time Point (AUC0-last) | Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose | Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. |
| Area Under the Concentration-time Curve From 0 to Infinity (AUC0-inf) | Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose | Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. |
| Time to Last Measurable Concentration (Tlast) | Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose | Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. |
| Terminal Elimination Half-life (T1/2) | Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose | Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. |
Countries
United States
Participant flow
Recruitment details
Participants were recruited from 2 investigational sites located in the US.
Pre-assignment details
All 14 enrolled participants were treated. This reporting group includes all enrolled participants (14).
Participants by arm
| Arm | Count |
|---|---|
| EXE844 EXE844 Sterile Otic Suspension, 0.3%, single ototopical dose (4 drops) in each ear following tympanostomy tube insertion | 14 |
| Total | 14 |
Baseline characteristics
| Characteristic | EXE844 |
|---|---|
| Age, Continuous | 3.4 years STANDARD_DEVIATION 2.78 |
| Sex: Female, Male Female | 6 Participants |
| Sex: Female, Male Male | 8 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk |
|---|---|---|
| deaths Total, all-cause mortality | 0 / 14 | 0 / 14 |
| other Total, other adverse events | 0 / 14 | 0 / 14 |
| serious Total, serious adverse events | 0 / 14 | 0 / 14 |
Outcome results
Area Under the Concentration-time Curve From 0 to Infinity (AUC0-inf)
Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics.
Time frame: Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose
Population: PK analysis set, with at least 1 post-dose quantifiable plasma concentration for each individual analyte \[EXE844 (AL-60371) and EXE844 glucuronide metabolite (AL-91591)\]
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| EXE844 | Area Under the Concentration-time Curve From 0 to Infinity (AUC0-inf) | AL-60371 | 10.60 ng*h/mL | Standard Deviation 7.764 |
| EXE844 | Area Under the Concentration-time Curve From 0 to Infinity (AUC0-inf) | AL-91591 | 19.90 ng*h/mL | — |
Area Under the Plasma Concentration-time Curve to the Last Quantifiable Sampling Time Point (AUC0-last)
Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics.
Time frame: Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose
Population: PK analysis set, with at least 1 post-dose quantifiable plasma concentration for each individual analyte \[EXE844 (AL-60371) and EXE844 glucuronide metabolite (AL-91591)\]
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| EXE844 | Area Under the Plasma Concentration-time Curve to the Last Quantifiable Sampling Time Point (AUC0-last) | AL-60371 | 8.66 ng*h/mL | Standard Deviation 6.406 |
| EXE844 | Area Under the Plasma Concentration-time Curve to the Last Quantifiable Sampling Time Point (AUC0-last) | AL-91591 | 3.94 ng*h/mL | Standard Deviation 4.136 |
Maximum Analyte Plasma Concentration (Cmax)
Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics.
Time frame: Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose
Population: PK analysis set, with at least 1 post-dose quantifiable plasma concentration for each individual analyte \[EXE844 (AL-60371) and EXE844 glucuronide metabolite (AL-91591)\]
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| EXE844 | Maximum Analyte Plasma Concentration (Cmax) | AL-60371 | 2.44 ng/mL | Standard Deviation 2.411 |
| EXE844 | Maximum Analyte Plasma Concentration (Cmax) | AL-91591 | 1.61 ng/mL | Standard Deviation 1.141 |
Terminal Elimination Half-life (T1/2)
Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics.
Time frame: Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose
Population: PK analysis set, with at least 1 post-dose quantifiable plasma concentration for each individual analyte \[EXE844 (AL-60371) and EXE844 glucuronide metabolite (AL-91591)\]
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| EXE844 | Terminal Elimination Half-life (T1/2) | AL-60371 | 2.05 hours | Standard Deviation 0.821 |
| EXE844 | Terminal Elimination Half-life (T1/2) | AL-91591 | 4.42 hours | — |
Time to Last Measurable Concentration (Tlast)
Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics.
Time frame: Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose
Population: PK analysis set, with at least 1 post-dose quantifiable plasma concentration for each individual analyte \[EXE844 (AL-60371) and EXE844 glucuronide metabolite (AL-91591)\]
| Arm | Measure | Group | Value (MEDIAN) |
|---|---|---|---|
| EXE844 | Time to Last Measurable Concentration (Tlast) | AL-60371 | 5.90 hours |
| EXE844 | Time to Last Measurable Concentration (Tlast) | AL-91591 | 2.17 hours |
Time to Reach Maximum Concentration (Tmax)
Based on serum samples collected at pre-determined nominal time points, dependent on observed concentrations. EXE844 (AL-60371) concentration values below the lower limit of quantification (\<0.05 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics. Similarly for EXE844 glucuronide metabolite (AL-91591), concentration values below the lower limit of quantification (\<0.5 ng/mL) were replaced by one-half the lower limit of quantification in the calculation of the summary statistics.
Time frame: Day 1, pre-dose 0 hour (up to 30 minutes prior to dose), 0.5, 1, 2, 4, 6 hours post-dose
Population: PK analysis set, with at least 1 post-dose quantifiable plasma concentration for each individual analyte \[EXE844 (AL-60371) and EXE844 glucuronide metabolite (AL-91591)\]
| Arm | Measure | Group | Value (MEDIAN) |
|---|---|---|---|
| EXE844 | Time to Reach Maximum Concentration (Tmax) | AL-60371 | 0.59 hours |
| EXE844 | Time to Reach Maximum Concentration (Tmax) | AL-91591 | 1.00 hours |