Narsoplimab

Not yet reviewed: Listed from FDA or ClinicalTrials.gov records; an editor has not checked it yetListed from FDA or ClinicalTrials.gov records; an editor has not checked it yet.

Also known as Yartemlea, Narsoplimab-wuug

OMEROS CORP OMER · Atypical Hemolytic Uremic Syndrome; Thrombotic Microangiopathies

Key figures

  • Next catalyst

    None scheduled

    Only dates with a source are listed

  • Phase

    Approved

    Not recorded

  • Linked trials

    1

    From ClinicalTrials.gov

  • Latest FDA action

    Approved

    BLA761152,

Recalls, shortages, patents and EU status at a glance

Key information

Indications
Atypical Hemolytic Uremic Syndrome; Thrombotic Microangiopathies Source: Conditions from ClinicalTrials.gov (opens in a new tab)
Designations
None recorded
Next catalyst
None scheduled

Development timeline

  1. Preclinical Completed
  2. Phase 1 Completed
  3. Phase 2 Completed
  4. Phase 3 CompletedFirst trial start 2 May 20181 linked trial
  5. Filed Completed
  6. Approved Current stageFirst approval 23 Dec 2025

Overview

Mechanism
Not recorded
Route
Not recorded
Modality
Not recorded
Specialties
Not recorded

Overview text is written by HealthTrade editors.

Key dates

No catalysts yet. Editors add each date together with its source.

FDA designations

No FDA designations are on record for Narsoplimab. Editors add each one with its source.

Filed application

No filed application is on record for Narsoplimab. Approvals are listed under FDA actions.

FDA advisory committees

No FDA advisory committee meetings are on record for Narsoplimab.

Clinical trials

Trials linked to Narsoplimab
TrialTitlePhaseStatusEnrollmentPrimary completionResults posted
NCT03205995ClinicalTrials.gov record for NCT03205995 (opens in a new tab)aHUSSafety and Efficacy Study of OMS721 in Patients With Atypical Hemolytic Uremic SyndromePhase 3Terminated6 (actual)2 Feb 2021 (actual) Yes First posted Results on ClinicalTrials.gov for NCT03205995 (opens in a new tab)

Posted results on ClinicalTrials.gov for aHUS

Serious adverse events (From Day 1 to Final Study Visit (up to Day 771)): OMS721 (Narsoplimab) 5 of 6

Source: ClinicalTrials.gov results for NCT03205995 (opens in a new tab)· imported

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

Publications listing aHUS (1), newest first

  1. Interventions for atypical haemolytic uraemic syndrome.

    The Cochrane database of systematic reviews · 2021 Mar 23

Citations from PubMed, U.S. National Library of Medicine; abstracts are not stored. A publication lists this study’s NCT number and may be a review that cites many studies.

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Posted results are shown as ClinicalTrials.gov prints them; results from company and journal sources are entered by editors and listed separately. Full result tables are on ClinicalTrials.gov.

Trial quality

About CT-VCA

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FDA actions

Original approvals and new-indication supplements for Narsoplimab, newest first
ApplicationActionDateOutcomeReviewSource
BLA761152Action letter for BLA761152 (opens in a new tab) Original 1 Type 1 - New Molecular EntityApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)

Data provided by the U.S. Food and Drug Administration.

FDA recalls load here.

FDA drug shortages load here.

Orange Book patents load here.

FAERS adverse event counts load here.

Papers and preprints load here.

Community discussion loads here.

EU status (EMA)

Opinion

Yartemlea (EMEA/H/C/005247)

Authorised
Not given
Therapeutic area
Thrombotic Microangiopathies;Hematopoietic Stem Cell Transplantation
Marketing authorisation holder
Omeros Ireland Limited
Active substance (INN)
Narsoplimab
ATC code
L01FX

Matched by active substance: EMA's INN or active substance equals this drug's name.

Source: European Medicines Agency (EMA), medicines data download. Licence: EMA re-use with acknowledgement. EMA medicines report 2026-10-26.

Related news

No recent headlines mention this drug.

Sources

Record updated .

Dates come from company and FDA disclosures and can change. Nothing on this page is investment advice.