On May 2, 2022 NANOBIOTIX (Euronext: NANO – NASDAQ: NBTX – the "Company"), a late-stage clinical biotechnology company pioneering physics-based approaches to expand treatment possibilities for patients with cancer, reported the presentation of three abstracts featuring potential first-in-class radioenhancer NBTXR3 at the 2022 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting from June 3-7 (Press release, Nanobiotix, MAY 2, 2022, View Source [SID1234613287]).
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"We are aiming to significantly improve outcomes for patients with cancer through NBTXR3, and to do so we must validate the safety and efficacy of our innovation across solid tumor indications and in combination with existing treatment modalities," said Laurent Levy, co-founder and chief executive officer of Nanobiotix. "Taken together with data we have previously reported on NBTXR3 as a single agent and in combination with checkpoint inhibitors, we expect the findings that will be presented at ASCO (Free ASCO Whitepaper) this year to add a new dimension to the story of NBTXR3 as we observe the radioenhancer’s performance in combination with chemotherapy. We will also highlight the design of our ongoing pivotal phase III study evaluating NBTXR3 as a single agent for frail, elderly patients with head and neck cancer."
The accepted abstracts include:
Abstract #18041: PEP503 (NBTXR3), a Radioenhancer, in Combination with Concurrent Chemoradiation (CCRT) in Locally Advanced or Recurrent Head and Neck Squamous Cell Carcinoma (HNSCC): Dose-Finding of a Phase 1b/2 Trial
Abstract #3603: A Phase 1b/2 Study of Radioenhancer, PEP503 (NBTXR3), in Combination with Concurrent Chemoradiation in Locally Advanced or Unresectable Rectal Cancer
Abstract #TPS6110: A Phase III Pivotal Study of NBTXR3 Activated by Investigator’s Choice of Radiotherapy Alone or Radiotherapy in Combination with Cetuximab for Platinum-based Chemotherapy-ineligible Elderly Patients with Locally Advanced Head & Neck Squamous Cell Carcinoma
About NBTXR3
NBTXR3 is a novel, potentially first-in-class oncology product, composed of functionalized hafnium oxide nanoparticles that is administered via one-time intratumoral injection and activated by radiotherapy. The product candidate’s physics-based mechanism of action (MoA) is designed to induce significant tumor cell death in the injected tumor when activated by radiotherapy, subsequently triggering an adaptive immune response and long-term anti-cancer memory. Given the MoA, Nanobiotix believes that NBTXR3 could be scalable across any solid tumor that can be treated with radiotherapy and across any therapeutic combination, particularly, with immune checkpoint inhibitors.
NBTXR3 is being evaluated in locally advanced head and neck squamous cell carcinoma (HNSCC) as the primary development pathway. The company-sponsored phase I dose escalation and dose expansion study has produced favorable safety data and early signs of efficacy. In February 2020, the United States Food and Drug Administration granted regulatory Fast Track designation for the investigation of NBTXR3 activated by radiation therapy, with or without cetuximab, for the treatment of patients with locally advanced HNSCC who are not eligible for platinum-based chemotherapy.
Nanobiotix has also prioritized an Immuno-Oncology development program—beginning with a Company sponsored phase I clinical study, evaluating NBTXR3 activated by radiotherapy in combination with anti-PD-1 checkpoint inhibitors for patients with locoregional recurrent or recurrent/metastatic HNSCC and for patients with lung or liver metastases from any primary cancer eligible for anti-PD-1 therapy, either naïve or resistant to prior PD-1 (either primary or secondary as per SITC (Free SITC Whitepaper) criteria).
Given the Company’s focus areas, and balanced against the scalable potential of NBTXR3, Nanobiotix has engaged in strategic collaborations to expand development of the product candidate in parallel with its priority development pathways. Pursuant to this strategy, in 2019 Nanobiotix entered into a broad, comprehensive clinical research collaboration with The University of Texas MD Anderson Cancer Center to sponsor several phase I and phase II studies to evaluate NBTXR3 across tumor types and therapeutic combinations. In 2021, the Company entered into an additional strategic collaboration agreement with LianBio to support its global phase III study in Asia along with four future registrational studies.