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SystImmune

Private

Clinical-stage biotechnology company in Redmond, Washington, developing bispecific and multi-specific antibodies and antibody-drug conjugates for solid tumor and hematologic cancers; its September 2026 FDA IND clearance for SI-B037 was the company's first IND built on New Approach Methodologies.

Company Info

Sector:Biotechnology
Headquarters:Redmond, Washington, USA
Founded:2014

Upcoming Milestones & Key Dates

2027
Clinical

First-in-human study start for SI-B037

Clinical Development Pipeline

SI-B037

Target: Bispecific antibody
Solid tumors
Preclinical
Phase 1
Phase 2
Phase 3
Approved

BL-B01D1

Target: EGFR x HER3 bispecific antibody-drug conjugate
EGFR-mutant and HER3-expressing solid tumors
Preclinical
Phase 1
Phase 2
Phase 3
Approved

SI-B001

Target: EGFR x HER3 bispecific antibody
Solid tumors
Preclinical
Phase 1
Phase 2
Phase 3
Approved

Recent News

Leadership Team

Jie D'Elia, PhD

Chief Executive Officer

Jonathan Cheng, MD

Chief Medical Officer

Careers & Job Openings

See all open roles

All departments
Multiple locations
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