deltatrials
Unknown OBSERVATIONAL NCT02687620

Does Immunogenicity Have an Influence on the Efficacy of Anti-TNF Therapy in Patients With AS: An Inception Cohort Study

Does Immunogenicity Have an Influence on the Efficacy of Anti-tumor Necrosis Factor (Anti-TNF) Therapy in Patients With Ankylosing Spondylitis (AS): An Inception Cohort Study

Sponsor: Izmir Katip Celebi University

Updated 14 times since 2017 Last updated: Feb 16, 2021 Started: Sep 30, 2014 Primary completion: Apr 30, 2021 Completion: Apr 30, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Ankylosing Spondylitis and Axial Spondyloarthritis, this trial is ongoing. The trial is conducted by Izmir Katip Celebi University and has accumulated 14 data snapshots since 2014. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshot~Aug 2017 – ~Apr 2018 · 8 months · monthly snapshot~Apr 2018 – ~May 2018 · 30 days · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~May 2020 · 23 months · monthly snapshot~May 2020 – ~Nov 2020 · 6 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Mar 2021 · 59 days · monthly snapshot~Mar 2021 – ~Dec 2021 · 9 months · monthly snapshot~Dec 2021 – ~Mar 2023 · 15 months · monthly snapshot~Mar 2023 – ~Jul 2024 · 16 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 12 months · monthly snapshot

Change History

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

    Unknown

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown

    Status: Unknown StatusUnknown

  4. Mar 2023 — Jul 2024 [monthly]

    Unknown Status

    Status: Active Not RecruitingUnknown Status

  5. Dec 2021 — Mar 2023 [monthly]

    Active Not Recruiting

Show 9 earlier versions
  1. Mar 2021 — Dec 2021 [monthly]

    Active Not Recruiting

    Status: Unknown StatusActive Not Recruiting

  2. Jan 2021 — Mar 2021 [monthly]

    Unknown Status

  3. Nov 2020 — Jan 2021 [monthly]

    Unknown Status

  4. May 2020 — Nov 2020 [monthly]

    Unknown Status

    Status: RecruitingUnknown Status

  5. Jun 2018 — May 2020 [monthly]

    Recruiting

  6. May 2018 — Jun 2018 [monthly]

    Recruiting

  7. Apr 2018 — May 2018 [monthly]

    Recruiting

    Phase: NANone

  8. Aug 2017 — Apr 2018 [monthly]

    Recruiting NA

  9. Jan 2017 — Aug 2017 [monthly]

    Recruiting NA

    First recorded

Sep 2014

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Izmir Katip Celebi University
Data source: Izmir Katip Celebi University

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