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Study identifier: NCT07564596 Synced from ClinicalTrials.gov · August 07, 2026
● Study status: Recruiting

A Phase 1b/2a Study of Budoprutug in Systemic Lupus Erythematosus (SLE)

Condition: Systemic Lupus Erthematosus  ·  Sponsor: Climb Bio, Inc.

PhasePhase 1/Phase 2
Planned participants30
Who can joinAll sexes, 18 Years to 65 Years
Healthy volunteersNo

About this study

Budoprutug is a humanized, immunoglobulin (Ig) G1 monoclonal antibody that selectively binds to CD19 and is projected to deplete targeted cells through antibody-dependent cellular cytotoxicity. This Phase 1b/2a, open-label study will evaluate budoprutug in ascending dose cohorts of patients aged 18 years and above with active, seropositive SLE and inadequate response to standard therapy. The study will also assess the pharmacokinetics, pharmacodynamics and early indications of efficacy of budoprutug in SLE, where pharmacodynamics will be evaluated as the change in the number of B cells and immunoglobulins (antibodies) in the blood over time. Budoprutug will be administered as two (2) IV infusions 14 days apart in ascending dose cohorts.

This description comes directly from the study's public registry record.

Talk to the study team

Climb Bio Study Director  ·  +1 8668572596  ·  clinicaltrials@climbbio.com

Always discuss trial participation with your own doctor first.

Locations (2)

Mianyang Central HospitalMianyang, Sichuan, ChinaActive Not Recruiting
Peking University People's HospitalBeijing, ChinaRecruiting

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