Among patients with stage 3 unresectable non-small cell lung cancer (NSCLC), the first participant has been dosed in the phase 2 CONVERGE study, according to a news release from biotechnology company Nanobiotix. The randomized, controlled clinical trial is evaluating the potential first-in-class radioenhancer JNJ-1900 (NBTXR3) in patients being treated with standard-of-care chemoradiation followed by consolidation Imfinzi (durvalumab).
“We believe the true value of [NBTXR3] is driven by its potential to address the unmet needs of the millions of patients each year who receive radiotherapy as part of their treatment,” said Laurent Levy, Chief Executive Officer and Chairman of the Executive Board at Nanobiotix. “With a clear path to potential registration in head and neck cancer established through NANORAY-312, the first patient dosed in the CONVERGE study in [non-small cell lung cancer] NSCLC brings us another step closer to delivering for the large number of patients [NBTXR3] is designed to serve.”
Who is Eligible For CONVERGE Study Enrollment?
According to the clinical trial page
at clinicaltrials.gov, CONVERGE is evaluating the addition of NBTXR3 to concurrent platinum-based doublet chemotherapy with radiation therapy, followed by consolidation immunotherapy, and whether this enhances the objective response rate in patients with locally advanced, unresectable stage 3 NSCLC.
To be considered eligible for enrollment, patients must be candidates for chemotherapy with radiation therapy; have a pathologically confirmed NSCLC diagnosis within three months prior to enrollment; present with unresectable stage 3IIIA or 3IIIB NSCLC; have at least one target lesion suitable for intratumoral or /intranodal injection and external beam radiation therapy; and have an ECOG performance status of 0 or 1.
Participants are considered ineligible for enrollment in the study if they have a history of primary immunodeficiency; organ transplantation requiring immunosuppression; significant cardiac events within three months before enrollment; concurrent or recent malignancies other than NSCLC; and known hypersensitivity to study drugs or components.
Patients with active bleeding diathesis or patients requiring anticoagulation or antiplatelet therapy that cannot be safely modified for procedures are also excluded.
More About NBTXR3
The novel, potentially first-in-class oncology product NBTXR3 comprises functionalized hafnium oxide crystal nanoparticles administered via one-time intratumoral injection and activated by radiotherapy. The proof-of-concept for NBTXR3 was demonstrated in soft tissue sarcomas, leading to the agent receiving a European CE mark in 2019.
The agent’s mechanism of action is designed to induce substantial tumor cell death within the injected tumor when activated by radiotherapy, thereby triggering an adaptive immune response and establishing long-term anticancer memory. Consequently, the company anticipates that NBTXR3 could be applied to any solid tumor treatable with radiotherapy and be adaptable to any therapeutic combination, especially with immune checkpoint inhibitors.
The radiotherapy-activated NBTXR3 is under evaluation for multiple solid tumor indications as a stand-alone treatment and in combination with anti-PD-1 immune checkpoint inhibitors. These initiatives include the global, randomized NANORAY-312 trial, which is focused on locally advanced head and neck squamous cell carcinomas. In February 2020, the Food and Drug Administration granted fast track designation to NBTXR3 activated by radiotherapy, with or without Erbitux (cetuximab), for patients with locally advanced head and neck squamous cell carcinoma who are ineligible for platinum-based chemotherapy.
In 2019, the company entered a comprehensive clinical research partnership with The University of Texas MD Anderson Cancer Center to sponsor multiple phase 1 and 2 trials evaluating NBTXR3 across various tumor types and therapeutic combinations. Nanobiotix announced a license agreement with Janssen Pharmaceuticals, a Johnson & Johnson company, for the global co-development and commercialization of NBTXR3 in 2023.
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