deltatrials
Completed NA INTERVENTIONAL 2-arm NCT02680223

Efficacy of Coloured Overlays and Lenses for Reading Difficulty

Efficacy of Coloured Overlays and Lenses for Adults With Reading Difficulty

Sponsor: City, University of London

Updated 9 times since 2017 Last updated: Jan 24, 2020 Started: Jan 31, 2016 Primary completion: Dec 31, 2019 Completion: Dec 31, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT02680223, this NA trial focuses on Reading Disabilities and Vision Disorders and remains completed. Sponsored by City, University of London, it has been updated 9 times since 2016, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotRecruiting~Jun 2018 – ~Aug 2018 · 2 months · monthly snapshotRecruiting~Aug 2018 – ~Mar 2019 · 7 months · monthly snapshotRecruiting~Mar 2019 – ~Sep 2019 · 6 months · monthly snapshotRecruiting~Sep 2019 – ~Feb 2020 · 5 months · monthly snapshotRecruiting~Feb 2020 – ~Jan 2021 · 11 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

9 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. Feb 2020 — Jan 2021 [monthly]

    Completed NA

    Status: RecruitingCompleted

  5. Sep 2019 — Feb 2020 [monthly]

    Recruiting NA

Show 4 earlier versions
  1. Mar 2019 — Sep 2019 [monthly]

    Recruiting NA

  2. Aug 2018 — Mar 2019 [monthly]

    Recruiting NA

  3. Jun 2018 — Aug 2018 [monthly]

    Recruiting NA

  4. Jan 2017 — Jun 2018 [monthly]

    Recruiting NA

    First recorded

Jan 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • City, University of London
Data source: City, University of London

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

Study Locations