deltatrials
Completed NA INTERVENTIONAL 2-arm NCT03251456

Tertiary Care for Visual Developmental Disorders in Pre-school Children

Tertiary Care Based Visual Developmental Diseases Management Model Among Preschool Children in China: a Cluster Randomized Controlled Trial

Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University

Conditions Visual Developmental Disorders
Interventions Tertiary care Usual Care
Updated 10 times since 2017 Last updated: Jun 18, 2019 Started: Aug 18, 2017 Primary completion: Jun 30, 2018 Completion: Jun 30, 2018
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03251456, this NA trial focuses on Visual Developmental Disorders and remains completed. Sponsored by Zhongshan Ophthalmic Center, Sun Yat-sen University, it has been updated 10 times since 2017, reflecting substantial change activity. Mental health research at this phase helps define safety and dosing parameters for future study.

Status Flow

~Sep 2017 – ~Oct 2017 · 30 days · monthly snapshotNot Yet Recruiting~Oct 2017 – ~May 2018 · 7 months · monthly snapshotRecruiting~May 2018 – ~Jun 2018 · 31 days · monthly snapshotRecruiting~Jun 2018 – ~Jul 2018 · 30 days · monthly snapshotRecruiting~Jul 2018 – ~Aug 2018 · 31 days · monthly snapshotRecruiting~Aug 2018 – ~Jul 2019 · 11 months · monthly snapshotRecruiting~Jul 2019 – ~Jan 2021 · 18 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 21 months · monthly snapshotCompleted

Change History

10 versions recorded

  1. Sep 2024 — Present [monthly]

    Completed NA

  2. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  3. Jan 2021 — Jul 2024 [monthly]

    Completed NA

  4. Jul 2019 — Jan 2021 [monthly]

    Completed NA

    Status: Recruiting → Completed

  5. Aug 2018 — Jul 2019 [monthly]

    Recruiting NA

▶ Show 5 earlier versions

  1. Jul 2018 — Aug 2018 [monthly]

    Recruiting NA

  2. Jun 2018 — Jul 2018 [monthly]

    Recruiting NA

  3. May 2018 — Jun 2018 [monthly]

    Recruiting NA

  4. Oct 2017 — May 2018 [monthly]

    Recruiting NA

    Status: Not Yet Recruiting → Recruiting

  5. Sep 2017 — Oct 2017 [monthly]

    Not Yet Recruiting NA

    First recorded

Aug 2017

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Zhongshan Ophthalmic Center, Sun Yat-sen University
Data source: Zhongshan Ophthalmic Center, Sun Yat-sen University

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

Study Locations