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Clinical Trial Summary

The purpose of this first-in-human, open-label, multicenter, non-randomized study designed to determine the maximum tolerated dose (MTD)/maximum administered dose (MAD), optimal biological dose (OBD), and recommended phase 2 dose (RP2D) of ES014 by evaluating the safety, tolerability, PK, pharmacodynamics, and preliminary clinical activity of ES014 administered intravenously to subjects with advanced solid tumors.


Clinical Trial Description

Adenosine and transforming growth factor-β (TGF-β) are two key immune suppressors in the tumor microenvironment (TME) that cause broad immune suppression resulting in resistance to current checkpoint inhibitor immunotherapies. The bifunctional antibody-fusion protein ES014 was created by fusing the TGF-β receptor II ectodomain to an antibody targeting human ectonucleoside triphosphate diphosphohydrolase-1 (ENTPD1, CD39, UniprotKB: P49961). ES014 simultaneously neutralizes autocrine/paracrine TGF-β and inhibits the enzymatic activity of CD39, which results in the stabilization of pro-inflammatory extracellular adenosine triphosphate (eATP) and the restoration of anti-tumor immunity by impairing the accumulation of immune suppressive adenosine and TGF-β within the TME. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05381935
Study type Interventional
Source Elpiscience Biopharma, Ltd.
Contact
Status Withdrawn
Phase Phase 1
Start date April 21, 2023
Completion date April 30, 2026

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