deltatrials
Completed OBSERVATIONAL NCT02814929

Incidence, Risk Factors and Severity of Retinopathy of Prematurity (ROP) in Turkey (TR-ROP)

Incidence, Risk Factors and Severity of Retinopathy of Prematurity (ROP) in Turkey: A Prospective Multicenter Study Including 69 NICUs

Sponsor: Acibadem Atakent University Hospital

Conditions Retinopathy of Prematurity
Updated 21 times since 2017 Last updated: Sep 7, 2023 Started: Apr 1, 2016 Primary completion: Aug 1, 2017 Completion: Oct 17, 2017
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT02814929, this observational or N/A phase trial focuses on Retinopathy of Prematurity and remains completed. Sponsored by Acibadem Atakent University Hospital, it has been updated 21 times since 2016, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~May 2017 · 3 months · monthly snapshot~May 2017 – ~Jun 2017 · 31 days · monthly snapshot~Jun 2017 – ~Nov 2017 · 5 months · monthly snapshot~Nov 2017 – ~Feb 2018 · 3 months · monthly snapshot~Feb 2018 – ~Apr 2018 · 59 days · monthly snapshot~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshot~Jun 2018 – ~Sep 2018 · 3 months · monthly snapshot~Sep 2018 – ~May 2019 · 8 months · monthly snapshot~May 2019 – ~Jul 2019 · 2 months · monthly snapshot~Jul 2019 – ~Aug 2020 · 13 months · monthly snapshot~Aug 2020 – ~Jan 2021 · 5 months · monthly snapshot~Jan 2021 – ~Oct 2021 · 9 months · monthly snapshot~Oct 2021 – ~Mar 2022 · 5 months · monthly snapshot~Mar 2022 – ~Nov 2022 · 8 months · monthly snapshot~Nov 2022 – ~Oct 2023 · 11 months · monthly snapshot~Oct 2023 – ~Jul 2024 · 9 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – ~Dec 2025 · 3 months · monthly snapshot~Dec 2025 – present · 7 months · monthly snapshot

Change History

21 versions recorded

  1. Dec 2025 — Present [monthly]

    Completed

  2. Sep 2025 — Dec 2025 [monthly]

    Completed

  3. Sep 2024 — Sep 2025 [monthly]

    Completed

  4. Jul 2024 — Sep 2024 [monthly]

    Completed

  5. Oct 2023 — Jul 2024 [monthly]

    Completed

▶ Show 16 earlier versions

  1. Nov 2022 — Oct 2023 [monthly]

    Completed

  2. Mar 2022 — Nov 2022 [monthly]

    Completed

  3. Oct 2021 — Mar 2022 [monthly]

    Completed

  4. Jan 2021 — Oct 2021 [monthly]

    Completed

  5. Aug 2020 — Jan 2021 [monthly]

    Completed

  6. Jul 2019 — Aug 2020 [monthly]

    Completed

  7. May 2019 — Jul 2019 [monthly]

    Completed

  8. Sep 2018 — May 2019 [monthly]

    Completed

  9. Jun 2018 — Sep 2018 [monthly]

    Completed

  10. Apr 2018 — Jun 2018 [monthly]

    Completed

    Phase: NA → None

  11. Feb 2018 — Apr 2018 [monthly]

    Completed NA

  12. Nov 2017 — Feb 2018 [monthly]

    Completed NA

    Status: Recruiting → Completed

  13. Jun 2017 — Nov 2017 [monthly]

    Recruiting NA

  14. May 2017 — Jun 2017 [monthly]

    Recruiting NA

  15. Feb 2017 — May 2017 [monthly]

    Recruiting NA

  16. Jan 2017 — Feb 2017 [monthly]

    Recruiting NA

    First recorded

Apr 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Acibadem Atakent University Hospital
  • Adana Numune Training and Research Hospital
  • Ankara Guven Hospital
  • Ankara University
  • Ataturk University
  • Ataşehir Kadıkoy Sifa Hospital
  • Aydin Adnan Menderes University
  • Bagcilar Training and Research Hospital
  • Baskent University
  • Baskent University Ankara Hospital
  • Bezmialem Vakif University
  • Bulent Ecevit University
  • Canakkale 18 Mart University
  • Cengiz Gokcek Women's and Children's Hospital
  • Cukurova University
  • Denizli Devlet Hastanesi
  • Denizli Ozel Saglik Hospital
  • Dicle University
  • Dokuz Eylul University
  • Dortcelik Children Hospital
  • Doruk Bursa Hospital
  • Dr. Behcet Uz Children's Hospital
  • Dr. Lutfi Kirdar Kartal Training and Research Hospital
  • Ege University
  • Erzurum Nenehatun Maternity Hospital
  • Eskisehir Osmangazi University
  • Etlik Zubeyde Hanım Women's Health Care, Training and Research Hospital
  • Faruk Sukan Maternity and Children Hospital
  • Firat University
  • Hacettepe University
  • Inonu University
  • Istanbul Medeniyet University
  • Istanbul Medipol University Hospital
  • Istanbul University
  • Kahramanmaras Megapark Hospital
  • Kahramanmaras Sutcu Imam University
  • Kanuni Sultan Suleyman Training and Research Hospital
  • Karadeniz Technical University
  • Kecioren Education and Training Hospital
  • Konya Baskent University
  • Konya Meram State Hospital
  • Koç University
  • Kırıkkale University
  • Marmara University
  • Medical Park Gaziantep Hospital
  • Mersin Maternity Hospital
  • Mustafa Kemal University
  • Muğla Sıtkı Koçman University
  • NCR International Hospital
  • Necmettin Erbakan University
  • Ondokuz Mayıs University
  • Ozel Medova Hospital
  • Pamukkale University
  • Sami Ulus Maternity and Children Hospital
  • Selcuk University
  • Sisli Hamidiye Etfal Training and Research Hospital
  • Suleymaniye Birth And Women's Health Education And Research Hospital
  • TC Erciyes University
  • Tepecik Training and Research Hospital
  • Tokat Gaziosmanpasa University
  • Trabzon Kanuni Education and Research Hospital
  • Trakya University
  • Uludag University
  • Umraniye Education and Research Hospital
  • University of Gaziantep
  • Yuksek Ihtisas University
  • Yuzuncu Yil University
  • Zekai Tahir Burak Women's Health Research and Education Hospital
  • Zeynep Kamil Maternity and Pediatric Research and Training Hospital
Data source: Etlik Zubeyde Hanım Women's Health Care, Training and Research Hospital

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

Study Locations