Status:

RECRUITING

Alnuctamab for Refractory SLE (LATTE Study)

Lead Sponsor:

Icahn School of Medicine at Mount Sinai

Conditions:

Systemic Lupus Erythematosus

Eligibility:

All Genders

18-60 years

Phase:

PHASE1

Brief Summary

This study will assess the safety and preliminary efficacy of the bi-specific TCE, alnuctamab (known as BMS-986349, CC-93269, EM901), targeting BCMA in patients with moderate to severe SLE, refractory...

Detailed Description

The purpose of this research study is for researchers to learn if the investigational therapy called alnuctamab (known as BMS-986349, CC-93269, EM901) is safe and effective to treat refractory Systemi...

Eligibility Criteria

Inclusion

  • Key
  • Age 18-60 years.
  • Documented diagnosis of SLE fulfilling 2019 ACR/EULAR criteria.
  • Historical documentation of ANA (1:80 or greater) autoantibody on immunofluorescence as well as presence of at least 1 additional autoantibody of the type: anti-dsDNA, anti-histone, anti-chromatin, anti-Smith, anti-RNP, anti-Ro/SSA, anti-La/SSB, anti-cardiolipin (IgG), or anti-beta2-glycoprotein1 (IgG).
  • History of SLE that is refractory to corticosteroids and at least 2 immunosuppressive therapies with different mechanisms of action (methotrexate, thiopurines, mycophenolate mofetil, calcineurin inhibitors, biologic agents, cyclophosphamide), including at least one biologic therapy (e.g. anti-CD20 therapy, anifrolumab, belimumab) or cyclophosphamide. Of note, hydroxychloroquine is not considered an immunosuppressive therapy, and methotrexate/azathioprine counts as a single drug class).
  • Total SLEDAI-2K \>6 with clinical SLEDAI-2K \>4, or \>1 BILAG A organ domain score, or \>2 BILAG B, but without active central nervous system (CNS) disease within the past year; a maximum of two participants with only arthritis and/or rash can be included if truly disabling
  • Key

Exclusion

  • Autoimmune disease other than SLE, except associated Sjogren's Disease if not primary contributor to symptoms; coexistent fibromyalgia will be allowed if not primary contributor to symptoms.
  • TTP-like SLE; catastrophic APS; LN WHO class V as primary qualifying criterion (unless overlap with Class III or IV), rapidly progressive LN, or eGFR \<40 mL/min; active CNS pathology attributable to neuropsychiatric SLE.
  • Active or suspected infection, including HIV.
  • O2 sat \<92% on room air; ANC \<1500u/L, Hgb \<8g/dL, Plt \<75,000/uL; ALT or AST \> 2X ULN (unless attributed to active myositis), Total Bilirubin \>1.5 X ULN (unless Gilbert's Disease), total B cell count \<12/microliter, hypogammaglobinemia \<500mg/dL.

Key Trial Info

Start Date :

January 15 2026

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2027

Estimated Enrollment :

21 Patients enrolled

Trial Details

Trial ID

NCT07219563

Start Date

January 15 2026

End Date

December 1 2027

Last Update

December 22 2025

Active Locations (1)

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1

Icahn School of Medicine at Mount Sinai

New York, New York, United States, 10029