deltatrials
Completed OBSERVATIONAL NCT04660916

Effects of Isotretinoin on the Growth Rate and Thickness of the Nail Plate

Effects of Isotretinoin on the Morphology, Growth Rate, and Thickness of the Nail Plate

Sponsor: Sinan Özçelik

Interventions Isotretinoin
Updated 4 times since 2021 Last updated: Dec 3, 2020 Started: Oct 22, 2019 Primary completion: Sep 1, 2020 Completion: Oct 1, 2020
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04660916, this observational or N/A phase trial focuses on Isotretinoin and Nail Abnormality and remains completed. Sponsored by Sinan Özçelik, it has been updated 4 times since 2019, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 11 months · monthly snapshotCompleted

Change History

4 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Jan 2021 — Jul 2024 [monthly]

    Completed

    First recorded

Oct 2019

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Sinan Özçelik
Data source: Balikesir University

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