31 March 2022 - - Dosing has begun in a Phase 1 clinical study to evaluate the pharmacokinetics, safety, and preliminary anti-tumor activity of BAT6026, a highly differentiated monoclonal antibody targeting OX40 with enhanced ADCC functions, in combination with BAT1308, a proprietary anti-PD-1 antibody currently in early-stage clinical trials, China-based commercial-stage pharmaceutical company Bio-Thera Solutions, Ltd. (SH: 688177) said.

This Phase 1, multicenter, open-label, dose-escalation clinical trial is designed to assess the safety and tolerability of the combination of BAT6026 and BAT1308 in advanced solid tumor patients.

Key objectives in the study include determining maximum tolerated dose and recommended Phase 2 dose, pharmacokinetics and preliminary anti-tumor activity in combination therapy.

Disease-specific expansion cohorts will be enrolled at the RP2D in Australia, China and other countries to further evaluate the safety and efficacy of BAT6026 in a variety of malignancies thereafter.

In addition, BAT6026 has previously entered a monotherapy clinical study in China.
Bio-Thera Solutions is developing several innovative oncology assets directed at important IO targets, including PD-1, OX40, CTLA-4, CD47, TIGIT and IO bispecifics targeting synergistic targets like PD-L1/CD47.

Bio-Thera recently disclosed its next generation Antibody-Drug Conjugate platform that has generated clinical candidate for important and validated tumor target like Folate Receptor alpha.

Bio-Thera Solutions, Ltd., a leading global biotechnology company in Guangzhou, China, is dedicated to researching and developing novel therapeutics for the treatment of cancer, autoimmune, cardiovascular diseases, and other serious unmet medical needs, as well as biosimilars for existing, branded biologics to treat a range of cancer and autoimmune diseases.

A leader in next generation antibody discovery and engineering, the company has advanced six candidates into late-stage clinical trials and has two approved products, QLETLI and POBEVCY in China.

In addition, the company has multiple promising candidates in early clinical trials and IND-enabling studies, focusing on immuno-oncology, ADC targeted therapies, autoimmune diseases, and other severe and emerging unmet medical needs.