On March 9, 2022 Nordic Nanovector ASA (OSE: NANOV), a clinical-stage biotech company focused on CD37-targeted therapies for haematological cancers and immune diseases, reported that an E-poster regarding Alpha37, entitled "Targeted alpha therapy with 212Pb-NNV003 in treatment of NHL", will be presented at the 2022 American Association of Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting held 8-13 April in New Orleans, USA (Press release, Nordic Nanovector, MAR 9, 2022, View Source [SID1234609836]).

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The data in the E-poster show that a single injection of 212Pb-NNV003, or Alpha37, is safe and effective for the treatment of CD37-positive chronic lymphocytic leukaemia (CLL) and non-Hodgkin’s lymphoma (NHL) in mouse models. Promising efficacy in both ibrutinib-resistant and ibrutinib-sensitive CLL models was observed and treatment with Alpha37 was superior to both ibrutinib and oblinutuzumab, confirming that further clinical development is warranted. These data were previously presented at the company’s R&D Day in November 2021.

Alpha37 has been developed as a targeted alpha radioimmunotherapy where the CD37-specific antibody NNV003 is coupled to the alpha particle generating isotope 212Pb for the treatment of NHL and CLL. Despite the availability of current treatments, most patients with these diseases inevitably relapse meaning that there is a significant unmet need for new, alternative therapies.

Jostein Dahle, Co-founder and CSO of Nordic Nanovector, commented: "The pre-clinical data that we have amassed on Alpha37 is taking us closer towards our goal of filing for an IND to begin human clinical testing. We are focussed on high risk and/or ibrutinib resistant/refractory CLL as the entry indication but believe there is a broader unmet need beyond this that Alpha37 may be able to fulfil. We look forward to the further development of this next generation targeted anti-CD37 alpha radio-immunoconjugate."