On December 1, 2018 ArQule, Inc. (Nasdaq:ARQL) reported that it will present clinical data on the company’s BTK inhibitor, ARQ 531, in a poster presentation at the 60th American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting and Exposition to be held from December 1 to 4, 2018 in San Diego (Press release, ArQule, DEC 1, 2018, View Source [SID1234531787]).

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Updated safety, PK, biomarker and anti-tumor activity data from the company’s Phase 1 dose escalation study in patients with relapsed or refractory hematologic malignancies (ARQ 531-101) will be presented.

Presentation Details

Title:

A Phase 1 Dose Escalation Study of ARQ 531 in Selected Patients with Relapsed or Refractory Hematologic Malignancies

Abstract #: 3136
Session: CLL: Therapy, excluding Transplantation: Poster II
Date: Sunday, December 2, 2018
Time: 6:00-8:00 p.m. PT
Location: San Diego Convention Center, Hall GH

About BTK and ARQ 531
Bruton’s tyrosine kinase, BTK, is a therapeutic target that has been clinically proven to inhibit B-cell receptor signaling in blood cancers. ARQ 531 is an orally bioavailable, potent and reversible BTK inhibitor. Biochemical and cellular studies have shown that ARQ 531 inhibits both the wild type and C481S-mutant forms of BTK. The C481S-mutation is a known resistance mechanism for first generation irreversible BTK inhibitors. In preclinical studies, ARQ 531 has demonstrated good oral bioavailability as well as favorable pharmacokinetic, pharmacodynamic and metabolic properties.