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iTeos Therapeutics Priced, Nasdaq: ITOS

Phase 1/2 immuno-oncology biotech developing therapies for various cancers.

Industry: Health Care

First Day Return: +0.3%

Industry: Health Care

We are a clinical-stage biopharmaceutical company pioneering the discovery and development of a new generation of highly differentiated immuno-oncology therapeutics for patients. We leverage our deep understanding of the tumor microenvironment and immunosuppressive pathways to design novel product candidates with an aim to improve the clinical benefit of oncology therapies. Our innovative pipeline includes two clinical-stage programs targeting novel, validated immuno-oncology pathways designed to build on prior learnings in the field to have differentiated pharmacological and clinical profiles. Our most advanced product candidate, EOS-850, is designed as a highly selective small molecule antagonist of the adenosine A2a receptor, or A2AR, in the adenosine triphosphate, or ATP, adenosine pathway, a key driver of immunosuppression in the tumor microenvironment across a broad range of tumors. We are investigating EOS-850 in an open-label Phase 1/2a clinical trial in adult patients with advanced solid tumors and we have observed encouraging preliminary single-agent activity in the dose escalation portion of the trial. We expect to report initial data from monotherapy and combination therapy expansion cohorts in the first half of 2021. Our lead antibody product candidate, EOS-448, is an antagonist of TIGIT, or T-cell immunoreceptor with Ig and ITIM domains, a checkpoint that has a role in both inhibitory and stimulatory pathways in the immune system. EOS-448 was also designed to engage the Fc gamma receptor, or FcgR, to promote antibody-dependent cellular cytotoxicity, or ADCC, activity, including the elimination of tumor-infiltrating regulatory T cells, or Tregs. We have recently initiated an open-label Phase 1/2a clinical trial of EOS-448 in adult patients with advanced solid tumors and expect to report initial data in the first half of 2021. We retain worldwide rights to develop and commercialize all of our product candidates.
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iTeos Therapeutics (ITOS) Performance