deltatrials
Terminated PHASE3 INTERVENTIONAL 1-arm NCT03205995

Safety and Efficacy Study of OMS721 in Patients With Atypical Hemolytic Uremic Syndrome (aHUS)

A Phase 3 Study to Evaluate the Safety and Efficacy of OMS721 for the Treatment of Atypical Hemolytic Uremic Syndrome (aHUS) in Adults and Adolescents

Sponsor: Omeros Corporation

Updated 9 times since 2017 Last updated: Nov 25, 2025 Started: May 2, 2018 Primary completion: Feb 2, 2021 Completion: Feb 2, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Sponsor terminated study

This PHASE3 trial investigates Atypical Hemolytic Uremic Syndrome and Thrombotic Microangiopathies and is currently terminated or withdrawn. Omeros Corporation leads this study, which shows 9 recorded versions since 2018 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Aug 2017 – ~Jun 2018 · 10 months · monthly snapshotRecruiting~Jun 2018 – ~Nov 2018 · 5 months · monthly snapshotRecruiting~Nov 2018 – ~Nov 2020 · 24 months · monthly snapshotRecruiting~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotUnknown Status~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotUnknown Status~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshotUnknown~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshotRecruiting~Sep 2024 – ~Jan 2026 · 16 months · monthly snapshotRecruiting~Jan 2026 – present · 6 months · monthly snapshotTerminated

Change History

9 versions recorded
  1. Jan 2026 — Present [monthly]

    Terminated PHASE3

    Status: RecruitingTerminated

  2. Sep 2024 — Jan 2026 [monthly]

    Recruiting PHASE3

  3. Aug 2024 — Sep 2024 [monthly]

    Recruiting PHASE3

    Status: UnknownRecruiting

  4. Jul 2024 — Aug 2024 [monthly]

    Unknown PHASE3

    Status: Unknown StatusUnknown

  5. Jan 2021 — Jul 2024 [monthly]

    Unknown Status PHASE3

Show 4 earlier versions
  1. Nov 2020 — Jan 2021 [monthly]

    Unknown Status PHASE3

    Status: RecruitingUnknown Status

  2. Nov 2018 — Nov 2020 [monthly]

    Recruiting PHASE3

  3. Jun 2018 — Nov 2018 [monthly]

    Recruiting PHASE3

  4. Aug 2017 — Jun 2018 [monthly]

    Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Omeros Corporation
Data source: Omeros Corporation

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