NCT05597163

Brief Summary

To investigate the efficacy and safety of three low-concentration atropine sulfate eye drops (0.01%, 0.025% and 0.05%) in controlling the progression of myopia in Chinese children and adolescents through a two-year clinical trial.

Trial Health

35
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
588

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jan 2023

Typical duration for not_applicable

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 24, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

October 27, 2022

Completed
3 months until next milestone

Study Start

First participant enrolled

January 15, 2023

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2024

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2025

Completed
Last Updated

January 11, 2023

Status Verified

October 1, 2022

Enrollment Period

1.8 years

First QC Date

October 24, 2022

Last Update Submit

January 9, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Proportion of SE changes over -0.75D

    2 years

Secondary Outcomes (1)

  • AL change

    2 years

Study Arms (4)

0.01% atropine

EXPERIMENTAL

0.01% atropine eye drop

Drug: low concentration atropine (0.01%)

0.025% atropine

EXPERIMENTAL

0.025% atropine eye drop

Drug: low concentration atropine (0.025%)

0.05% atropine

EXPERIMENTAL

0.05% atropine eye drop

Drug: low concentration atropine (0.05%)

cross-over

OTHER

first year: placebo second year: 0.05% atropine eye drop

Drug: low concentration atropine (0.05%)Drug: Placebo

Interventions

0.01% atropine eye drop

0.01% atropine

0.025% atropine eye drop

0.025% atropine

0.05% atropine eye drop

0.05% atropinecross-over

Placebo eye drop

cross-over

Eligibility Criteria

Age3 Years - 15 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • The age of the screening stage is 3-15 years, both sexes;
  • One eye met the diagnosis of myopic refractive error, the spherical equivalent was between -0.50D and -8.00D, the astigmatism was ≥-3.00D, and the best corrected far vision was at least 0.8;
  • Have normal thinking and language communication ability, and can actively cooperate with treatment and follow-up as required;
  • Informed consent from the guardian and the child.

You may not qualify if:

  • strabismus, amblyopia or other ocular abnormalities;
  • The presence of systemic disease abnormalities;
  • have taken myopia control treatment in the past month;
  • Allergic to low concentration atropine or sulfuric acid drugs.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Myopia, Degenerative

Condition Hierarchy (Ancestors)

MyopiaRefractive ErrorsEye Diseases

Study Officials

  • Haidong Zou

    Shanghai Eye Disease Prevention and Treatment Center

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 24, 2022

First Posted

October 27, 2022

Study Start

January 15, 2023

Primary Completion

November 1, 2024

Study Completion

November 1, 2025

Last Updated

January 11, 2023

Record last verified: 2022-10