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Pharma Tech Outlook | Thursday, May 13, 2021
CUE-101 has so far demonstrated a favorable tolerability profile in a monotherapy dose-escalation trial, and new evidence on its Pharmacokinetic (PK) and Pharmacodynamic (PD) profiles, as well as clinical anti-tumor activity, is promising.
FREMONT, CA: Cue Biopharma, a clinical-stage biopharmaceutical firm developing a novel class of injectable biologics intended to selectively engage and modulate targeted T cells inside a patient’s body, announced interim clinical data from its ongoing Phase 1a/1b monotherapy study of CUE-101 as a second-line treatment for patients with, including a verified partial response (PR). CUE-101 has so far demonstrated a favorable tolerability profile in a monotherapy dose-escalation trial, and new evidence on its Pharmacokinetic (PK) and Pharmacodynamic (PD) profiles, as well as clinical anti-tumor activity, is promising.
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Dan Passeri, chief executive officer of Cue Biopharma, added, “Receiving early confirmation of clinical activity of CUE-101 as a monotherapy in this challenging patient population is an important validation of the potential of the CUE-101 program for oncology, as well as for our follow-on programs such as CUE-102, from the IL2-based CUE-100 series. This confirmed PR provides valuable proof of concept of the Immuno-STAT platform to activate and expand disease specific T cells and NK cells as a method to treat other cancers.”
“We anticipate a number of important milestones throughout this year with the potential of further data to inform CUE-101s clinical application. These milestones include, the potential selection of a recommended Phase 2 dose of CUE-101 by mid-2021 for further development as a single-agent treatment for HPV+ 2L+ head and neck squamous cell carcinoma; our plans to report initial Phase 1 results from the combination study of CUE-101 with pembrolizumab in the second half of 2021; and our plans to initiate a Phase 2 neoadjuvant study to evaluate the effects of CUE-101 on the tumor microenvironment, which is also expected to start in the second half of 2021,” said Passeri.
The following are some of the main findings from the ongoing open-label Phase 1a/1b study’s interim review of patient data:
In the dose-escalation process of the study to date, confirmed PR in one patient and SD in five patients, both confirmed by RECIST criteria, presenting early signs of CUE-101’s possible single-agent operation.
There was evidence of both tumor-specific CD8+ T cell expansion and dose-dependent increases in NK cells in patients.
After CUE-101 treatment, immune cell infiltration and tumor cell necrosis were observed in patient tumor biopsies, indicating that CUE-101’s mechanism of action involves engaging and modulating targeted T cells within the patient’s body.
Patients undergoing repeated dosing cycles had a dose-proportional PK profile and equivalent drug exposure levels, indicating a lack of drug-clearing anti-drug antibodies.
In patients given up to 8 mg/kg of CUE-101, there was no Maximum Tolerated Dose (MTD).
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