Baili Biopharmaceutical and AstraZeneca have signed a clinical trial partnership and supply agreement for SI-B001 plus Tagrisso (osimertinib) combination therapy to treat non-small cell lung cancer (NSCLC) patients.
An EGFR x HER3 bispecific antibody, SI-B001 is a cancer therapy of Baili.
It can hinder the ligand elicited EGFR×EGFR homodimers, EGFR×HER3 heterodimer formation and initiation of its downstream signal pathway at the same time.
Furthermore, the antibody can prompt EGFR and HER3 endocytosis and down-regulate EGFR and HER3 tumour cell levels.
Tagrisso is an irreversible epidermal growth factor receptor (EGFR) TKI of AstraZeneca.
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Under the deal, the companies will assess SI-B001 and Tagrisso in a Phase IIa clinical trial enrolling subjects with NSCLC.
The trial will be sponsored and carried out by Baili.
SI-B001 was found to have tumour-killing activities in preclinical studies and demonstrated safety and initial efficacy in Phase I trials.
The companies have not divulged the financial details of the non-exclusive partnership.
Baili Biopharmaceutical founder, chairman and CEO Dr Yi ZHU said: “SI-B001 has demonstrated good tolerability and early sign of efficacy during Phase I trial in China.
“We are excited about the collaboration with AstraZeneca to investigate the combination of SI-B001 and a leading third-generation EGFR TKI for patients with NSCLC.
“By combining SI-B001 with Osimertinib, we believe it has the potential to provide more effective treatment options for patients with NSCLC.”
The biopharmaceutical company carries out the research and development (R&D), production and marketing of therapies to treat cancer and other ailments.
With R&D teams in China and US, it has developed completely integrated platforms in bispecific, multi-specific antibodies and antibody-drug conjugates.
Baili has a pipeline comprising six anti-cancer drug candidates that are currently being analysed in clinical trials.
