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A Multi-Center Study Evaluating the Onset and Duration of Action of AC-170 0.24% Compared to Vehicle in the Conjunctival Allergen Challenge (CAC)

A Multi-Center, Double-Masked, Randomized, Vehicle-Controlled, Evaluation of the Onset and Duration of Action of Cetirizine 0.24% Ophthalmic Solution (Formula AFH-002) Compared to Vehicle (Formula AFH-001) in the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic Conjunctivitis

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01551056
Enrollment
91
Registered
2012-03-12
Start date
2012-03-31
Completion date
2012-06-30
Last updated
2017-11-07

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

Conditions

Allergic Conjunctivitis

Brief summary

The purpose of this study is to evaluate the onset and duration of action of AC-170 0.24% compared to vehicle in the prevention of the signs and symptoms of allergic conjunctivitis in the conjunctival allergen challenge (CAC) model.

Interventions

1 drop in each eye at 2 separate times during a 14 day period

1 drop in each eye at 2 separate times during a 14 day period

Sponsors

Aciex Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

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

Eligibility

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

Inclusion criteria

* positive bilateral conjunctival allergen challenge (CAC) reaction

Exclusion criteria

* known contraindications or sensitivities to the study medication or its components * any ocular condition that, in the opinion of the investigator, could affect the subjects safety or trial parameters * use of disallowed medication during the period indicated prior to the enrollment or during the study

Design outcomes

Primary

MeasureTime frameDescription
Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)3, 5, 7 minutes post-CACA treatment efficacy Conjunctival Allergen Challenge (CAC) was performed 16 hours + 1 hour after drop instillation. Ocular itching was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ocular itching score over both eyes was analyzed.
Ocular Itching at Onset of Action (15 Minutes Post-dose)3, 5, 7 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Ocular itching was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ocular itching score over both eyes was analyzed.
Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Conjunctival Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of conjunctival redness score over both eyes was analyzed.
Conjunctival Redness at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Conjunctival Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of conjunctival redness score over both eyes was analyzed.

Secondary

MeasureTime frameDescription
Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Chemosis was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of chemosis score over both eyes was analyzed.
Chemosis at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Chemosis was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of chemosis score over both eyes was analyzed.
Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Eyelid swelling was assessed by the patient on a 0-3 scale (0=none to 3=severe). Average of eyelid swelling score over both eyes was analyzed.
Eyelid Swelling at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Eyelid swelling was assessed by the patient on a 0-3 scale (0=none to 3=severe). Average of eyelid swelling score over both eyes was analyzed.
Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Tearing was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of tearing score over both eyes was analyzed.
Tearing at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Tearing was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of tearing score over both eyes was analyzed.
Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Rhinorrhea was assessed by the patient on a 0-4 scale (0=none to 4=severe). Rhinorrhea score for each time point was analyzed.
Rhinorrhea at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Rhinorrhea was assessed by the patient on a 0-4 scale (0=none to 4=severe). Rhinorrhea score for each time point was analyzed.
Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Ciliary Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ciliary redness score over both eyes was analyzed.
Nasal Pruritis at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Nasal Pruritus was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Pruritus score for each time point was analyzed.
Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Ear or Palate Pruritus was assessed by the patient on a single 0-4 scale (0=none to 4=severe). Ear or Palate Pruritus score for each time point was analyzed.
Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Ear or Palate Pruritus was assessed by the patient on a single 0-4 scale (0=none to 4=severe). Ear or Palate Pruritus score for each time point was analyzed.
Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Nasal Congestion was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Congestion score for each time point was analyzed.
Nasal Congestion at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Nasal Congestion was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Congestion score for each time point was analyzed.
Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. For Nasal Composite Score the Total Composite Score ranges from 0 to 16, higher scores represent greater severity. Patients needed to have at least one of the nasal symptoms present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) each symptom was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Composite score for each time point was analyzed.
Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. For Nasal Composite Score the Total Composite Score ranges from 0 to 16, higher scores represent greater severity. Patients needed to have at least one of the nasal symptoms present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) each symptom was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Composite score for each time point was analyzed.
Tolerability of Study Medication at Visit 3Aupon instillation, 1 minute and 2 minutes post instillationTolerability was assessed upon instillation of study medication, at 1 minute and 2 minutes post study medication instillation. Drop comfort was assessed using a 0-to 10 scale where 0=very comfortable and 10=very uncomfortable.
Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Nasal Pruritus was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Pruritus score for each time point was analyzed.
Ciliary Redness at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Ciliary Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ciliary redness score over both eyes was analyzed.
Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Episcleral Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of episcleral redness score over both eyes was analyzed.
Episcleral Redness at Onset of Action (15 Minutes Post-dose)7, 15, 20 minutes post-CACA treatment efficacy CAC was performed 15 minutes after drop instillation. Episcleral Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of episcleral redness score over both eyes was analyzed.

Countries

United States

Participant flow

Recruitment details

Subjects were recruited from three sites in the US.

Pre-assignment details

There were 91 subjects enrolled, 2 subjects discontinued, and 89 subjects completed the study. Participant flow and baseline characteristics are presented for the 91 subjects that met all inclusion criteria and none of the exclusion criteria and were randomized to receive AC-170 0.24% or AC-170 0%.

Participants by arm

ArmCount
AC-170 0.24%
AC-170 0.24%: 1 drop in each eye at 2 separate times during a 14 day period
46
AC-170 0%
AC-170 0%: 1 drop in each eye at 2 separate times during a 14 day period
45
Total91

Baseline characteristics

CharacteristicAC-170 0.24%TotalAC-170 0%
Age, Continuous36.6 years
STANDARD_DEVIATION 14.95
37.4 years
STANDARD_DEVIATION 14.47
38.1 years
STANDARD_DEVIATION 14.08
Ethnicity (NIH/OMB)
Hispanic or Latino
12 Participants25 Participants13 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
34 Participants66 Participants32 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
7 Participants14 Participants7 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
9 Participants14 Participants5 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
30 Participants63 Participants33 Participants
Region of Enrollment
United States
46 participants91 participants45 participants
Sex: Female, Male
Female
24 Participants52 Participants28 Participants
Sex: Female, Male
Male
22 Participants39 Participants17 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
1 / 465 / 45
serious
Total, serious adverse events
0 / 460 / 45

Outcome results

Primary

Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Conjunctival Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of conjunctival redness score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT)

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.72 units on a scaleStandard Deviation 0.771
AC-170 0.24%Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.96 units on a scaleStandard Deviation 0.777
AC-170 0.24%Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.92 units on a scaleStandard Deviation 0.78
AC-170 0%Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.94 units on a scaleStandard Deviation 0.796
AC-170 0%Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC2.02 units on a scaleStandard Deviation 0.788
AC-170 0%Conjunctival Redness at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.98 units on a scaleStandard Deviation 0.759
Primary

Conjunctival Redness at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Conjunctival Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of conjunctival redness score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT)

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Conjunctival Redness at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC2.02 units on a scaleStandard Deviation 0.728
AC-170 0.24%Conjunctival Redness at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC2.23 units on a scaleStandard Deviation 0.667
AC-170 0.24%Conjunctival Redness at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC2.28 units on a scaleStandard Deviation 0.644
AC-170 0%Conjunctival Redness at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC2.05 units on a scaleStandard Deviation 0.714
AC-170 0%Conjunctival Redness at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC2.13 units on a scaleStandard Deviation 0.736
AC-170 0%Conjunctival Redness at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC2.18 units on a scaleStandard Deviation 0.762
Primary

Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy Conjunctival Allergen Challenge (CAC) was performed 16 hours + 1 hour after drop instillation. Ocular itching was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ocular itching score over both eyes was analyzed.

Time frame: 3, 5, 7 minutes post-CAC

Population: Intent to Treat (ITT)

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)3 minutes post-CAC1.71 units on a scaleStandard Deviation 0.886
AC-170 0.24%Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)5 minutes post-CAC1.88 units on a scaleStandard Deviation 0.91
AC-170 0.24%Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.76 units on a scaleStandard Deviation 0.944
AC-170 0%Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)3 minutes post-CAC2.34 units on a scaleStandard Deviation 0.72
AC-170 0%Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)5 minutes post-CAC2.50 units on a scaleStandard Deviation 0.644
AC-170 0%Ocular Itching at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC2.22 units on a scaleStandard Deviation 0.875
Primary

Ocular Itching at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Ocular itching was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ocular itching score over both eyes was analyzed.

Time frame: 3, 5, 7 minutes post-CAC

Population: Intent to Treat (ITT)

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Ocular Itching at Onset of Action (15 Minutes Post-dose)3 minutes post-CAC0.71 units on a scaleStandard Deviation 0.638
AC-170 0.24%Ocular Itching at Onset of Action (15 Minutes Post-dose)5 minutes post-CAC1.01 units on a scaleStandard Deviation 0.691
AC-170 0.24%Ocular Itching at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.00 units on a scaleStandard Deviation 0.783
AC-170 0%Ocular Itching at Onset of Action (15 Minutes Post-dose)3 minutes post-CAC2.18 units on a scaleStandard Deviation 0.979
AC-170 0%Ocular Itching at Onset of Action (15 Minutes Post-dose)5 minutes post-CAC2.31 units on a scaleStandard Deviation 0.98
AC-170 0%Ocular Itching at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC2.10 units on a scaleStandard Deviation 0.998
Secondary

Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Chemosis was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of chemosis score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.49 units on a scaleStandard Deviation 0.461
AC-170 0.24%Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC0.71 units on a scaleStandard Deviation 0.605
AC-170 0.24%Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC0.76 units on a scaleStandard Deviation 0.605
AC-170 0%Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.70 units on a scaleStandard Deviation 0.55
AC-170 0%Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.01 units on a scaleStandard Deviation 0.693
AC-170 0%Chemosis at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.05 units on a scaleStandard Deviation 0.802
Secondary

Chemosis at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Chemosis was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of chemosis score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Chemosis at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.12 units on a scaleStandard Deviation 0.685
AC-170 0.24%Chemosis at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.74 units on a scaleStandard Deviation 0.501
AC-170 0.24%Chemosis at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.22 units on a scaleStandard Deviation 0.736
AC-170 0%Chemosis at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.97 units on a scaleStandard Deviation 0.702
AC-170 0%Chemosis at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.53 units on a scaleStandard Deviation 0.95
AC-170 0%Chemosis at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.42 units on a scaleStandard Deviation 0.895
Secondary

Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Ciliary Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ciliary redness score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.54 units on a scaleStandard Deviation 0.786
AC-170 0.24%Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.77 units on a scaleStandard Deviation 0.825
AC-170 0.24%Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.72 units on a scaleStandard Deviation 0.821
AC-170 0%Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.82 units on a scaleStandard Deviation 0.832
AC-170 0%Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.96 units on a scaleStandard Deviation 0.756
AC-170 0%Ciliary Redness at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.93 units on a scaleStandard Deviation 0.771
Secondary

Ciliary Redness at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Ciliary Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of ciliary redness score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Ciliary Redness at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.85 units on a scaleStandard Deviation 0.789
AC-170 0.24%Ciliary Redness at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.64 units on a scaleStandard Deviation 0.81
AC-170 0.24%Ciliary Redness at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.95 units on a scaleStandard Deviation 0.806
AC-170 0%Ciliary Redness at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.99 units on a scaleStandard Deviation 0.769
AC-170 0%Ciliary Redness at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.90 units on a scaleStandard Deviation 0.645
AC-170 0%Ciliary Redness at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC2.06 units on a scaleStandard Deviation 0.767
Secondary

Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Ear or Palate Pruritus was assessed by the patient on a single 0-4 scale (0=none to 4=severe). Ear or Palate Pruritus score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.4 units on a scaleStandard Deviation 0.69
AC-170 0.24%Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.0 units on a scaleStandard Deviation 1.13
AC-170 0.24%Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.2 units on a scaleStandard Deviation 1.16
AC-170 0%Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.0 units on a scaleStandard Deviation 1.24
AC-170 0%Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.3 units on a scaleStandard Deviation 1.41
AC-170 0%Ear or Palate Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.5 units on a scaleStandard Deviation 1.42
Secondary

Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Ear or Palate Pruritus was assessed by the patient on a single 0-4 scale (0=none to 4=severe). Ear or Palate Pruritus score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.3 units on a scaleStandard Deviation 0.51
AC-170 0.24%Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.5 units on a scaleStandard Deviation 0.66
AC-170 0.24%Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.6 units on a scaleStandard Deviation 0.69
AC-170 0%Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.0 units on a scaleStandard Deviation 1.2
AC-170 0%Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.0 units on a scaleStandard Deviation 1.24
AC-170 0%Ear or Palate Pruritis at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.1 units on a scaleStandard Deviation 1.27
Secondary

Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Episcleral Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of episcleral redness score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.72 units on a scaleStandard Deviation 0.719
AC-170 0.24%Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.94 units on a scaleStandard Deviation 0.781
AC-170 0.24%Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.89 units on a scaleStandard Deviation 0.768
AC-170 0%Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.94 units on a scaleStandard Deviation 0.798
AC-170 0%Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC2.07 units on a scaleStandard Deviation 0.775
AC-170 0%Episcleral Redness at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC2.03 units on a scaleStandard Deviation 0.764
Secondary

Episcleral Redness at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Episcleral Redness was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of episcleral redness score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Episcleral Redness at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.88 units on a scaleStandard Deviation 0.804
AC-170 0.24%Episcleral Redness at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC2.10 units on a scaleStandard Deviation 0.791
AC-170 0.24%Episcleral Redness at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC2.20 units on a scaleStandard Deviation 0.758
AC-170 0%Episcleral Redness at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC2.16 units on a scaleStandard Deviation 0.778
AC-170 0%Episcleral Redness at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.96 units on a scaleStandard Deviation 0.725
AC-170 0%Episcleral Redness at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC2.10 units on a scaleStandard Deviation 0.793
Secondary

Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Eyelid swelling was assessed by the patient on a 0-3 scale (0=none to 3=severe). Average of eyelid swelling score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.7 units on a scaleStandard Deviation 0.73
AC-170 0.24%Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.0 units on a scaleStandard Deviation 0.89
AC-170 0.24%Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.0 units on a scaleStandard Deviation 0.97
AC-170 0%Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.1 units on a scaleStandard Deviation 0.67
AC-170 0%Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.3 units on a scaleStandard Deviation 0.88
AC-170 0%Eyelid Swelling at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.2 units on a scaleStandard Deviation 0.95
Secondary

Eyelid Swelling at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Eyelid swelling was assessed by the patient on a 0-3 scale (0=none to 3=severe). Average of eyelid swelling score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Eyelid Swelling at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.6 units on a scaleStandard Deviation 0.65
AC-170 0.24%Eyelid Swelling at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.8 units on a scaleStandard Deviation 0.74
AC-170 0.24%Eyelid Swelling at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.8 units on a scaleStandard Deviation 0.79
AC-170 0%Eyelid Swelling at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.9 units on a scaleStandard Deviation 0.75
AC-170 0%Eyelid Swelling at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.1 units on a scaleStandard Deviation 0.76
AC-170 0%Eyelid Swelling at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.1 units on a scaleStandard Deviation 0.89
Secondary

Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Nasal Congestion was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Congestion score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.9 units on a scaleStandard Deviation 0.94
AC-170 0.24%Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.1 units on a scaleStandard Deviation 1.04
AC-170 0.24%Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.2 units on a scaleStandard Deviation 1.15
AC-170 0%Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.3 units on a scaleStandard Deviation 1.05
AC-170 0%Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.5 units on a scaleStandard Deviation 1.16
AC-170 0%Nasal Congestion at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.4 units on a scaleStandard Deviation 1.14
Secondary

Nasal Congestion at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Nasal Congestion was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Congestion score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Nasal Congestion at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.3 units on a scaleStandard Deviation 0.6
AC-170 0.24%Nasal Congestion at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.7 units on a scaleStandard Deviation 0.86
AC-170 0.24%Nasal Congestion at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.8 units on a scaleStandard Deviation 1.1
AC-170 0%Nasal Congestion at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.0 units on a scaleStandard Deviation 0.89
AC-170 0%Nasal Congestion at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.2 units on a scaleStandard Deviation 1.01
AC-170 0%Nasal Congestion at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.2 units on a scaleStandard Deviation 1.05
Secondary

Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Nasal Pruritus was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Pruritus score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.4 units on a scaleStandard Deviation 0.72
AC-170 0.24%Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC0.8 units on a scaleStandard Deviation 1.03
AC-170 0.24%Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC0.8 units on a scaleStandard Deviation 0.95
AC-170 0%Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.0 units on a scaleStandard Deviation 1.14
AC-170 0%Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.0 units on a scaleStandard Deviation 1.14
AC-170 0%Nasal Pruritis at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.1 units on a scaleStandard Deviation 1.2
Secondary

Nasal Pruritis at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Nasal Pruritus was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Pruritus score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Nasal Pruritis at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.3 units on a scaleStandard Deviation 0.53
AC-170 0.24%Nasal Pruritis at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.3 units on a scaleStandard Deviation 0.59
AC-170 0.24%Nasal Pruritis at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.5 units on a scaleStandard Deviation 0.73
AC-170 0%Nasal Pruritis at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.7 units on a scaleStandard Deviation 0.92
AC-170 0%Nasal Pruritis at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.8 units on a scaleStandard Deviation 0.97
AC-170 0%Nasal Pruritis at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.7 units on a scaleStandard Deviation 0.85
Secondary

Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. For Nasal Composite Score the Total Composite Score ranges from 0 to 16, higher scores represent greater severity. Patients needed to have at least one of the nasal symptoms present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) each symptom was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Composite score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (NUMBER)
AC-170 0.24%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC68.9 %participants with at least 1 nasal symp
AC-170 0.24%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC80.0 %participants with at least 1 nasal symp
AC-170 0.24%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC86.7 %participants with at least 1 nasal symp
AC-170 0%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC84.4 %participants with at least 1 nasal symp
AC-170 0%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC88.9 %participants with at least 1 nasal symp
AC-170 0%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC93.3 %participants with at least 1 nasal symp
Secondary

Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. For Nasal Composite Score the Total Composite Score ranges from 0 to 16, higher scores represent greater severity. Patients needed to have at least one of the nasal symptoms present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) each symptom was assessed by the patient on a 0-4 scale (0=none to 4=severe). Nasal Composite score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (NUMBER)
AC-170 0.24%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC50 %participants with at least 1 nasal symp
AC-170 0.24%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC65.9 %participants with at least 1 nasal symp
AC-170 0.24%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC70.5 %participants with at least 1 nasal symp
AC-170 0%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC82.2 %participants with at least 1 nasal symp
AC-170 0%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC86.7 %participants with at least 1 nasal symp
AC-170 0%Number of Participants With At Least One of the Nasal Symptoms Present (Rhinorrhea + Nasal Pruritus + Ear or Palate Pruritus + Nasal Congestion) at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC84.4 %participants with at least 1 nasal symp
Secondary

Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Rhinorrhea was assessed by the patient on a 0-4 scale (0=none to 4=severe). Rhinorrhea score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)7 minutes post-CAC0.7 units on a scaleStandard Deviation 0.89
AC-170 0.24%Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)15 minutes post-CAC1.0 units on a scaleStandard Deviation 1.03
AC-170 0.24%Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)20 minutes post-CAC1.1 units on a scaleStandard Deviation 1.1
AC-170 0%Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)7 minutes post-CAC1.4 units on a scaleStandard Deviation 1.11
AC-170 0%Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)15 minutes post-CAC1.3 units on a scaleStandard Deviation 1.14
AC-170 0%Rhinorrhea at Duration of Action (16 Hours +1 Hour Post-dose)20 minutes post-CAC1.4 units on a scaleStandard Deviation 1.22
Secondary

Rhinorrhea at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Rhinorrhea was assessed by the patient on a 0-4 scale (0=none to 4=severe). Rhinorrhea score for each time point was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Rhinorrhea at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.5 units on a scaleStandard Deviation 0.73
AC-170 0.24%Rhinorrhea at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.6 units on a scaleStandard Deviation 0.82
AC-170 0.24%Rhinorrhea at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.3 units on a scaleStandard Deviation 0.64
AC-170 0%Rhinorrhea at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC1.0 units on a scaleStandard Deviation 1.04
AC-170 0%Rhinorrhea at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.1 units on a scaleStandard Deviation 0.97
AC-170 0%Rhinorrhea at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC1.0 units on a scaleStandard Deviation 1.04
Secondary

Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)

A treatment efficacy CAC was performed 16 hours + 1 hour after drop instillation. Tearing was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of tearing score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC0.8 units on a scaleStandard Deviation 0.69
AC-170 0.24%Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC0.9 units on a scaleStandard Deviation 0.89
AC-170 0.24%Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC0.9 units on a scaleStandard Deviation 0.98
AC-170 0%Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)7 minutes post-CAC1.1 units on a scaleStandard Deviation 1.08
AC-170 0%Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)15 minutes post-CAC1.2 units on a scaleStandard Deviation 1.16
AC-170 0%Tearing at Duration of Action (16 Hours + 1 Hour Post-dose)20 minutes post-CAC1.1 units on a scaleStandard Deviation 1.25
Secondary

Tearing at Onset of Action (15 Minutes Post-dose)

A treatment efficacy CAC was performed 15 minutes after drop instillation. Tearing was assessed by the patient on a 0-4 scale (0=none to 4=severe). Average of tearing score over both eyes was analyzed.

Time frame: 7, 15, 20 minutes post-CAC

Population: Intent to Treat (ITT) with observed data only.

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Tearing at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC0.4 units on a scaleStandard Deviation 0.57
AC-170 0.24%Tearing at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.6 units on a scaleStandard Deviation 0.87
AC-170 0.24%Tearing at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.7 units on a scaleStandard Deviation 0.88
AC-170 0%Tearing at Onset of Action (15 Minutes Post-dose)7 minutes post-CAC1.0 units on a scaleStandard Deviation 0.88
AC-170 0%Tearing at Onset of Action (15 Minutes Post-dose)15 minutes post-CAC0.8 units on a scaleStandard Deviation 0.84
AC-170 0%Tearing at Onset of Action (15 Minutes Post-dose)20 minutes post-CAC0.8 units on a scaleStandard Deviation 0.97
Secondary

Tolerability of Study Medication at Visit 3A

Tolerability was assessed upon instillation of study medication, at 1 minute and 2 minutes post study medication instillation. Drop comfort was assessed using a 0-to 10 scale where 0=very comfortable and 10=very uncomfortable.

Time frame: upon instillation, 1 minute and 2 minutes post instillation

Population: Intent to Treat (ITT)

ArmMeasureGroupValue (MEAN)Dispersion
AC-170 0.24%Tolerability of Study Medication at Visit 3AUpon instillation1.2 units on a scaleStandard Deviation 1.44
AC-170 0.24%Tolerability of Study Medication at Visit 3A1 minute post-instillation2.4 units on a scaleStandard Deviation 2.37
AC-170 0.24%Tolerability of Study Medication at Visit 3A2 minutes post-instillation2.1 units on a scaleStandard Deviation 2.29
AC-170 0%Tolerability of Study Medication at Visit 3AUpon instillation0.9 units on a scaleStandard Deviation 1.27
AC-170 0%Tolerability of Study Medication at Visit 3A1 minute post-instillation0.6 units on a scaleStandard Deviation 0.8
AC-170 0%Tolerability of Study Medication at Visit 3A2 minutes post-instillation0.6 units on a scaleStandard Deviation 0.78

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