deltatrials
Completed NA INTERVENTIONAL 1-arm NCT04453917

Dynamics of T Cell Expression of Immune Checkpoint Molecules in Progressive Multifocal Leukoencephalopathy (ICIP)

Sponsor: University Hospital, Toulouse

Conditions Progressive Multifocal Leukoencephalopathy
Interventions Brain MRI Collection of blood and urine Neurological evaluation Spinal tap
Updated 10 times since 2020 Last updated: Dec 23, 2025 Started: Feb 23, 2021 Primary completion: Jul 12, 2024 Completion: Jul 12, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Progressive Multifocal Leukoencephalopathy and is currently completed. University Hospital, Toulouse leads this study, which shows 10 recorded versions since 2021 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Aug 2020 – ~Nov 2020 · 3 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Mar 2021 · 59 days · monthly snapshot~Mar 2021 – ~Apr 2022 · 13 months · monthly snapshotRecruiting~Apr 2022 – ~Feb 2023 · 10 months · monthly snapshotRecruiting~Feb 2023 – ~Aug 2023 · 6 months · monthly snapshotRecruiting~Aug 2023 – ~Jul 2024 · 11 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Jan 2026 · 16 months · monthly snapshotRecruiting~Jan 2026 – present · 6 months · monthly snapshotCompleted

Change History

10 versions recorded

  1. Jan 2026 — Present [monthly]

    Completed NA

    Status: Recruiting → Completed

  2. Sep 2024 — Jan 2026 [monthly]

    Recruiting NA

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

  4. Aug 2023 — Jul 2024 [monthly]

    Recruiting NA

  5. Feb 2023 — Aug 2023 [monthly]

    Recruiting NA

▶ Show 5 earlier versions

  1. Apr 2022 — Feb 2023 [monthly]

    Recruiting NA

  2. Mar 2021 — Apr 2022 [monthly]

    Recruiting NA

    Status: Not Yet Recruiting → Recruiting

  3. Jan 2021 — Mar 2021 [monthly]

    Not Yet Recruiting NA

  4. Nov 2020 — Jan 2021 [monthly]

    Not Yet Recruiting NA

  5. Aug 2020 — Nov 2020 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University Hospital, Toulouse
Data source: University Hospital, Toulouse

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

Study Locations