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A Clinical Trial on Safety and Efficacy of CBT-001 in Patients With Pterygium

Phase 3
Recruiting
Conditions
Pterygium
Interventions
Drug: Vehicle
Registration Number
NCT05456425
Lead Sponsor
Cloudbreak Therapeutics, LLC
Brief Summary

The objective is to evaluate the safety and efficacy of low dose and high dose CBT-001 eye drop dosed twice daily for 24 months compared to vehicle in reducing conjunctival hyperemia and preventing pterygium progression in eyes with pterygia.

Detailed Description

Clinical Hypotheses:

1. CBT-001 dosed twice daily is more effective than vehicle in:

* Reducing conjunctival hyperemia by demonstrating a statistically significant difference and clinically relevant improvement in the mean severity grade change from baseline.

* Preventing pterygium progression, by demonstrating a statistically significant and clinically relevant improvement on drug vs vehicle mean difference in the change in pterygium length from baseline.

2. CBT-001 dosed twice daily maintains the above efficacies and has an acceptable ocular and systemic safety and tolerability profile when administered topically.

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
600
Inclusion Criteria

Pterygium with conjunctival hyperemia

Exclusion Criteria

Pterygium removal within the last 6 months

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
VehicleVehicleEmulsion eye drop without drug
CBT-001 High DoseCBT-001CBT-001 eye drop
CBT-001 Low DoseCBT-001CBT-001 eye drop
Primary Outcome Measures
NameTimeMethod
pterygium length12 month

Mean difference of pterygium lesion length change from baseline.

conjunctival hyperemia3 month

Mean difference of conjunctival hyperemia grade change from baseline.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (44)

The Eye Care Institute

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Louisville, Kentucky, United States

The Centre for Eye Research Australia

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East Melbourne, Melbourne, Australia

Eyeclinic Albury Wodonga

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Albury, New South Wales, Australia

Global Research Mangement

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Glendale, California, United States

Advanced Eye Centre PGIMER

๐Ÿ‡ฎ๐Ÿ‡ณ

Chandigarh, India

Eye Institute

๐Ÿ‡ณ๐Ÿ‡ฟ

Auckland, New Zealand

Chopda Medicare

๐Ÿ‡ฎ๐Ÿ‡ณ

Nashik, Maharashtra, India

Southern Eye Specialists

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Christchurch, New Zealand

West Coast Eye Institute

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Bakersfield, California, United States

Inland Eye Specialists

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Hemet, California, United States

Santa Barbara Eye Care

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Santa Barbara, California, United States

Mercy Clinic Eye Specialists

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Springfield, Missouri, United States

Center for Sight

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Henderson, Nevada, United States

Baylor College of Medicine

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Houston, Texas, United States

Bakersfield Eye Institute

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Bakersfield, California, United States

Shultz Chang Vision

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Northridge, California, United States

Wagner Macula & Retina Center

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Norfolk, Virginia, United States

Auckland Eye

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Auckland, New Zealand

West China Hospital of Sichuan University

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Chengdu, China

Beijing Tongren Hospital; CMU

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Beijing, China

Hainan Provincial Eye Hospital

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Haikou, China

1st Affiliated Hospital of University of South China

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Hengyang, China

The Second People's Hospital of Yunnan Province

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Kunming, China

The First Affiliated Hospital of NC University

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Nanchang, China

Eye Hospital of Shandong First Medical University

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Qingdao, China

Eye Hospital of Wenzhou Medical University

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Wenzhou, China

Union Hospital Tongji Medical College

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Wuhan, China

Xiamen Eye Center of Xiamen University

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Xiamen, China

SP Medical College and AG of Hospitals

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Bฤซkaner, Rajasthan, India

Sunshine Eye Surgeons

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St Albans, Victoria, Australia

Walman Eye Center

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Sun City, Arizona, United States

Netralaya Super Specialty Eye Hospital

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Ahmedabad, Gujarat, India

Narayana Nethralaya

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Bangalore, Karnataka, India

Vance Thompson Vision

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Sioux Falls, South Dakota, United States

M and J Western

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Ahmedabad, Gujarat, India

L V Prasad Eye Institute

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Bhubaneswar, Odisha, India

Icare Eye Hospital

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Noida, Uttar Pradesh, India

Cornea and Cataract Consultants of Arizona

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Phoenix, Arizona, United States

International Research Center

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Tampa, Florida, United States

Wellish Vision Institute

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Las Vegas, Nevada, United States

R and R Eye Research, LLC

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San Antonio, Texas, United States

Bruce A. Segal, MD

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Delray Beach, Florida, United States

DCT-Shah Research, LLC dba Discovery Clinical Trials

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McAllen, Texas, United States

Emerson Clinical Research Institute, LLC

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Falls Church, Virginia, United States

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