NCT06213727

Brief Summary

A multicenter, randomized, double-blind, placebo-controlled clinical trial was designed. The study included two experimental groups (low-dose ZKY001 eye drops group and medium-dose ZKY001 eye drops group) and a placebo control group, with 60 subjects in each group.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
180

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Mar 2022

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 15, 2022

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 14, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 14, 2022

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

January 9, 2024

Completed
10 days until next milestone

First Posted

Study publicly available on registry

January 19, 2024

Completed
Last Updated

January 19, 2024

Status Verified

January 1, 2024

Enrollment Period

8 months

First QC Date

January 9, 2024

Last Update Submit

January 9, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Corneal epithelial defect repair area

    Percentage improvement of corneal epithelial defect area from baseline in the afternoon of D3

    3 days

Secondary Outcomes (2)

  • VAS score

    5 days

  • Best Corrected Visual acuity (BCVA)

    5 days

Study Arms (3)

Trial drug group 1

EXPERIMENTAL

lowe-dose ZKY001 eye drops

Drug: lowe-dose ZKY001 eye drops

Trial drug group 2

EXPERIMENTAL

Medium-dose ZKY001 eye drops

Drug: Medium-dose ZKY001 eye drops

control group

PLACEBO COMPARATOR

ZKY001 simulated eye drops

Drug: ZKY001 simulated eye drops

Interventions

eye drops

Trial drug group 1

eye drops

Trial drug group 2

eye drops

control group

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age of 18-70 years old, both sexes;
  • patients were diagnosed as primary pterygium with nasal onset, and the head tip of pterygium invaded the cornea ≥3mm and ≤5mm, and underwent pterygium excision combined with conjunctival autotransplantation with autologous limbal stem cells;
  • Except for the pterygium neck under the slit lamp during the screening period, the limbal anatomy was normal without obvious abnormalities (e.g., scar, neovascularization that had invaded the cornea, or pseudopterygium);

You may not qualify if:

  • secondary pterygium, recurrent pterygium, pseudopterygium, bilateral pterygium or conjunctival tumor;
  • Schirmer test I (topical anesthesia) ≤3mm/5min;
  • severe blepharitis and/or severe meibomian gland disease, recurrent corneal erosion, chronic corneal disease, chemical burn and other ocular diseases that seriously affect ocular surface structure or function;
  • patients with syphilis, Sjogren's syndrome, cicatricial pemphigoid and other systemic diseases that seriously affect ocular surface structure or function;
  • rheumatoid arthritis, Sjogren syndrome, systemic lupus erythematosus, AIDS and other autoimmune diseases;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Eye Hospital of Shandong First Medical University (Shandong Eye Hospital)

Jinan, Shandong, China

Location

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 9, 2024

First Posted

January 19, 2024

Study Start

March 15, 2022

Primary Completion

November 14, 2022

Study Completion

November 14, 2022

Last Updated

January 19, 2024

Record last verified: 2024-01

Data Sharing

IPD Sharing
Will not share

Locations