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OTX-14-001: A Phase 2 Study Evaluating the Safety and Efficacy of OTX-DP for the Treatment of Chronic Allergic Conjunctivitis

A Multi-Center, Randomized, Double-Masked, Vehicle Controlled Phase 2 Study Evaluating the Efficacy and Safety of OTX-DP for the Treatment of Chronic Allergic Conjunctivitis Using a Modified Conjunctival Allergen Challenge Model (CAC™)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02062905
Enrollment
68
Registered
2014-02-14
Start date
2014-03-31
Completion date
2014-11-30
Last updated
2019-09-11

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

Conditions

Chronic Allergic Conjunctivitis

Brief summary

The objective of the study was to evaluate the efficacy and safety of OTX-DP (dexamethasone insert) 0.4 mg for intracanalicular use when placed in the canaliculus of the eyelid for the treatment of the signs and symptoms of chronic allergic conjunctivitis

Interventions

DRUGDexamethasone

Sponsors

ORA, Inc.
CollaboratorINDUSTRY
Ocular Therapeutix, Inc.
Lead SponsorINDUSTRY

Study design

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

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Has a positive history of ocular allergies and a positive skin test reaction to a perennial allergen and a seasonal allergen * Has a positive bilateral CAC reaction to a perennial allergen within minutes of instillation

Exclusion criteria

* History of ocular surgical intervention within the past 3 months * Presence of an active ocular infection or positive history of an ocular herpetic infection at any visit * Use any of the following disallowed medications during the period indicated

Design outcomes

Primary

MeasureTime frameDescription
Ocular Itching14 days post insertionProprietary Ora Calibra Conjunctival Allergen Challenge Ocular Itching Scale (0 - 4 with 0.5 unit increments allowed; 0 = no itching)

Secondary

MeasureTime frameDescription
Conjunctival Redness14 days post insertionProprietary Ora Calibra Ocular Hyperemia Scale (0 - 4 with 0.5 unit increments allowed; 0 = no redness)

Participant flow

Participants by arm

ArmCount
OTX-DP Treatment
OTX-DP (sustained release dexamethasone, 0.4 mg) OTX-DP treatment
35
Placebo Plug Delivery Vehicle
Placebo Plug with no drug Placebo Plug with no drug
33
Total68

Baseline characteristics

CharacteristicOTX-DP TreatmentPlacebo Plug Delivery VehicleTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
1 Participants3 Participants4 Participants
Age, Categorical
Between 18 and 65 years
34 Participants30 Participants64 Participants
Sex: Female, Male
Female
18 Participants17 Participants35 Participants
Sex: Female, Male
Male
17 Participants16 Participants33 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
1 / 312 / 33
serious
Total, serious adverse events
1 / 310 / 33

Outcome results

Primary

Ocular Itching

Proprietary Ora Calibra Conjunctival Allergen Challenge Ocular Itching Scale (0 - 4 with 0.5 unit increments allowed; 0 = no itching)

Time frame: 14 days post insertion

ArmMeasureGroupValue (MEAN)Dispersion
OTX-DP TreatmentOcular Itching3 min (14 days post-insertion)1.80 units on a scale (0 -4)Standard Deviation 1.068
OTX-DP TreatmentOcular Itching5 min. (14 days post-insertion)1.72 units on a scale (0 -4)Standard Deviation 0.998
OTX-DP TreatmentOcular Itching7 min. (14 days post-insertion)1.65 units on a scale (0 -4)Standard Deviation 0.989
Placebo Plug Delivery VehicleOcular Itching3 min (14 days post-insertion)2.58 units on a scale (0 -4)Standard Deviation 0.823
Placebo Plug Delivery VehicleOcular Itching5 min. (14 days post-insertion)2.70 units on a scale (0 -4)Standard Deviation 0.865
Placebo Plug Delivery VehicleOcular Itching7 min. (14 days post-insertion)2.53 units on a scale (0 -4)Standard Deviation 0.88
Secondary

Conjunctival Redness

Proprietary Ora Calibra Ocular Hyperemia Scale (0 - 4 with 0.5 unit increments allowed; 0 = no redness)

Time frame: 14 days post insertion

ArmMeasureGroupValue (MEAN)Dispersion
OTX-DP TreatmentConjunctival Redness15 min. (14 days post-insertion)1.53 units on a scale (0 - 4)Standard Deviation 0.753
OTX-DP TreatmentConjunctival Redness7 min. (14 days post-insertion)1.60 units on a scale (0 - 4)Standard Deviation 0.753
OTX-DP TreatmentConjunctival Redness20 min. (14 days post-insertion)1.54 units on a scale (0 - 4)Standard Deviation 0.739
Placebo Plug Delivery VehicleConjunctival Redness7 min. (14 days post-insertion)2.11 units on a scale (0 - 4)Standard Deviation 0.727
Placebo Plug Delivery VehicleConjunctival Redness15 min. (14 days post-insertion)2.23 units on a scale (0 - 4)Standard Deviation 0.708
Placebo Plug Delivery VehicleConjunctival Redness20 min. (14 days post-insertion)2.21 units on a scale (0 - 4)Standard Deviation 0.696

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