Completed NA INTERVENTIONAL 3-arm NCT02643342

A 2-year Longitudinal Study on the Structural and Optical Effects of Orthokeratology Treatment on Eye

Sponsor: Aston University

Updated 8 times since 2017 Last updated: Jul 29, 2020 Started: Jun 18, 2016 Primary completion: Aug 3, 2019 Completion: Aug 3, 2019

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Myopic Progression and is currently completed. Aston University leads this study, which shows 8 recorded versions since 2016 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

8 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Aug 2020 — Jan 2021 [monthly]

Completed NA

Status: Active Not Recruiting → Completed
Apr 2020 — Aug 2020 [monthly]

Active Not Recruiting NA

▶ Show 3 earlier versions

Mar 2019 — Apr 2020 [monthly]

Active Not Recruiting NA

Status: Recruiting → Active Not Recruiting
Jun 2018 — Mar 2019 [monthly]

Recruiting NA
Jan 2017 — Jun 2018 [monthly]

Recruiting NA

First recorded

Jun 2016

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Aston University
Menicon Co., Ltd.
Queensland University of Technology
The Hong Kong Polytechnic University

Data source: The Hong Kong Polytechnic University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Hong Kong, China