deltatrials
Unknown OBSERVATIONAL NCT04597385

Long-term Follow-Up for RGX-121

A Long-term Follow-up Study to Evaluate the Safety and Efficacy of RGX-121

Sponsor: REGENXBIO Inc.

Interventions Long-term Follow-Up
Updated 9 times since 2020 Last updated: Aug 9, 2021 Started: Mar 14, 2021 Primary completion: Sep 30, 2025 Completion: Sep 30, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04597385, this observational or N/A phase trial focuses on Mucopolysaccharidosis II and remains ongoing. Sponsored by REGENXBIO Inc., it has been updated 9 times since 2021, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotNot Yet Recruiting~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshotNot Yet Recruiting~Feb 2021 – ~Apr 2021 · 59 days · monthly snapshotEnrolling By Invitation~Apr 2021 – ~Sep 2021 · 5 months · monthly snapshotEnrolling By Invitation~Sep 2021 – ~Oct 2022 · 13 months · monthly snapshotEnrolling By Invitation~Oct 2022 – ~Jul 2024 · 21 months · monthly snapshotEnrolling By Invitation~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotEnrolling By Invitation~Sep 2024 – ~Nov 2025 · 14 months · monthly snapshotEnrolling By Invitation~Nov 2025 – present · 6 months · monthly snapshotUnknown

Change History

9 versions recorded
  1. Nov 2025 — Present [monthly]

    Unknown

    Status: Enrolling By InvitationUnknown

  2. Sep 2024 — Nov 2025 [monthly]

    Enrolling By Invitation

  3. Jul 2024 — Sep 2024 [monthly]

    Enrolling By Invitation

  4. Oct 2022 — Jul 2024 [monthly]

    Enrolling By Invitation

  5. Sep 2021 — Oct 2022 [monthly]

    Enrolling By Invitation

Show 4 earlier versions
  1. Apr 2021 — Sep 2021 [monthly]

    Enrolling By Invitation

  2. Feb 2021 — Apr 2021 [monthly]

    Enrolling By Invitation

    Status: Not Yet RecruitingEnrolling By Invitation

  3. Jan 2021 — Feb 2021 [monthly]

    Not Yet Recruiting

  4. Nov 2020 — Jan 2021 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • REGENXBIO Inc.
Data source: REGENXBIO Inc.

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

Study Locations