The US Food and Drug Administration (FDA) has cleared pharmaceutical company Glenmark’s investigational new drug (IND) application to begin a phase I trial of GBR 1302-BEAT to treat HER2+ cancers.
Bi-specific engagement by antibodies based on the T-cell receptor (BEAT) has been designed to produce bi-specific antibodies (bsAbs) that engage with two targets to affect cancer cells, which in the case of HER2+ cancers redirects cytolitic T-cells.
Glenmark president and chief medical officer Fred Grossman said: “We believe GBR 1302 may have utility across a broad range of HER2+ tumour types.
“Data from preclinical studies are very encouraging.
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“Based on its novel mechanism of redirecting T-cells to HER2+ cancer cells, GBR 1302 has the potential to become an important therapy for previously treated and, eventually, newly diagnosed HER2+ tumours.”
The phase I trial will be carried out in two parts, the dose escalation and expansion.
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The dose-escalation will examine patients with previously treated HER2+ tumours in order to test safety and tolerability, as well as the pharmacokinetics and preliminary anti-tumour activity of the maximum dose of GBR 1302-BEAT .
The expansion will examine the same population treated with the maximum tolerated dose to determine early proof-of-concept.
Preclinical studies suggested that GBR 1302 is supposedly active against a range of HER2-expressing tumour types, including breast, gastric and other cancers.
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