deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT03729362

A Study Comparing ATB200/AT2221 With Alglucosidase Alfa/Placebo in Adult Subjects With Late-onset Pompe Disease (PROPEL)

A Phase 3 Double-blind Randomized Study to Assess the Efficacy and Safety of Intravenous ATB200 Co-administered With Oral AT2221 in Adult Subjects With Late-onset Pompe Disease Compared With Alglucosidase Alfa/Placebo

Sponsor: Amicus Therapeutics

Updated 20 times since 2018 Last updated: Sep 9, 2025 Started: Dec 4, 2018 Primary completion: Dec 15, 2020 Completion: Jan 15, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03729362, this PHASE3 trial focuses on Pompe Disease (Late-onset) and remains completed. Sponsored by Amicus Therapeutics, it has been updated 20 times since 2018, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Dec 2018 – ~Jan 2019 · 31 days · monthly snapshot~Jan 2019 – ~Mar 2019 · 59 days · monthly snapshot~Mar 2019 – ~Apr 2019 · 31 days · monthly snapshot~Apr 2019 – ~May 2019 · 30 days · monthly snapshot~May 2019 – ~Jul 2019 · 2 months · monthly snapshot~Jul 2019 – ~Aug 2019 · 31 days · monthly snapshot~Aug 2019 – ~Oct 2019 · 2 months · monthly snapshot~Oct 2019 – ~Nov 2019 · 31 days · monthly snapshot~Nov 2019 – ~Jan 2020 · 2 months · monthly snapshot~Jan 2020 – ~Apr 2020 · 3 months · monthly snapshot~Apr 2020 – ~Jan 2021 · 9 months · monthly snapshot~Jan 2021 – ~Mar 2021 · 59 days · monthly snapshot~Mar 2021 – ~Nov 2021 · 8 months · monthly snapshot~Nov 2021 – ~Apr 2022 · 5 months · monthly snapshot~Apr 2022 – ~Oct 2023 · 18 months · monthly snapshot~Oct 2023 – ~Jul 2024 · 9 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – present · 9 months · monthly snapshot

Change History

20 versions recorded
  1. Oct 2025 — Present [monthly]

    Completed PHASE3

  2. Sep 2025 — Oct 2025 [monthly]

    Completed PHASE3

  3. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  4. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  5. Oct 2023 — Jul 2024 [monthly]

    Completed PHASE3

Show 15 earlier versions
  1. Apr 2022 — Oct 2023 [monthly]

    Completed PHASE3

  2. Nov 2021 — Apr 2022 [monthly]

    Completed PHASE3

  3. Mar 2021 — Nov 2021 [monthly]

    Completed PHASE3

    Status: Active Not RecruitingCompleted

  4. Jan 2021 — Mar 2021 [monthly]

    Active Not Recruiting PHASE3

  5. Apr 2020 — Jan 2021 [monthly]

    Active Not Recruiting PHASE3

  6. Jan 2020 — Apr 2020 [monthly]

    Active Not Recruiting PHASE3

    Status: RecruitingActive Not Recruiting

  7. Nov 2019 — Jan 2020 [monthly]

    Recruiting PHASE3

  8. Oct 2019 — Nov 2019 [monthly]

    Recruiting PHASE3

  9. Aug 2019 — Oct 2019 [monthly]

    Recruiting PHASE3

  10. Jul 2019 — Aug 2019 [monthly]

    Recruiting PHASE3

  11. May 2019 — Jul 2019 [monthly]

    Recruiting PHASE3

  12. Apr 2019 — May 2019 [monthly]

    Recruiting PHASE3

  13. Mar 2019 — Apr 2019 [monthly]

    Recruiting PHASE3

  14. Jan 2019 — Mar 2019 [monthly]

    Recruiting PHASE3

    Status: Not Yet RecruitingRecruiting

  15. Dec 2018 — Jan 2019 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Amicus Therapeutics
Data source: Amicus Therapeutics

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