deltatrials
Completed PHASE1/PHASE2 INTERVENTIONAL 1-arm NCT03128593

A Study of JR-141 in Patients With Mucopolysaccharidosis Type II

A Phase I/II Study of JR-141 in Patients With Mucopolysaccharidosis Type II

Sponsor: JCR Pharmaceuticals Co., Ltd.

Conditions Mucopolysaccharidosis II
Interventions JR-141
Updated 9 times since 2017 Last updated: Nov 10, 2022 Started: Mar 30, 2017 Primary completion: Oct 4, 2017 Completion: Oct 4, 2017
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1/PHASE2 clinical study on Mucopolysaccharidosis II, this trial is completed. The trial is conducted by JCR Pharmaceuticals Co., Ltd. and has accumulated 9 data snapshots since 2017. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~May 2017 – ~Oct 2017 · 5 months · monthly snapshotRecruiting~Oct 2017 – ~Jun 2018 · 8 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Oct 2021 · 9 months · monthly snapshotCompleted~Oct 2021 – ~Dec 2022 · 14 months · monthly snapshotCompleted~Dec 2022 – ~Jul 2024 · 19 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

9 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE1/PHASE2

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE1/PHASE2

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE1/PHASE2

    Phase: PHASE1_PHASE2 → PHASE1/PHASE2

  4. Dec 2022 — Jul 2024 [monthly]

    Completed PHASE1_PHASE2

  5. Oct 2021 — Dec 2022 [monthly]

    Completed PHASE1_PHASE2

▶ Show 4 earlier versions

  1. Jan 2021 — Oct 2021 [monthly]

    Completed PHASE1_PHASE2

  2. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE1_PHASE2

  3. Oct 2017 — Jun 2018 [monthly]

    Completed PHASE1_PHASE2

    Status: Recruiting → Completed

  4. May 2017 — Oct 2017 [monthly]

    Recruiting PHASE1_PHASE2

    First recorded

Mar 2017

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • JCR Pharmaceuticals Co., Ltd.
Data source: JCR Pharmaceuticals Co., Ltd.

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

Study Locations