On June 26, 2023 Innate Pharma SA (Euronext Paris: IPH; Nasdaq: IPHA) ("Innate" or the "Company") reported the first patient was dosed in MATISSE, a Phase 2 multicenter single-arm study (NCT05742607), sponsored by Innate Pharma, evaluating neoadjuvant and adjuvant treatment with IPH5201, an anti-CD39 blocking monoclonal antibody, in combination with durvalumab (anti-PD-L1) and chemotherapy, in treatment-naïve patients with resectable early stage non-small cell lung cancer (NSCLC) (Press release, Innate Pharma, JUN 26, 2023, View Source [SID1234632895]).
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The primary objectives of the study are to assess antitumor activity of neoadjuvant treatment based on pathological complete response (pCR) and safety.
Innate is responsible for conducting the study and shares study costs with AstraZeneca (LSE/STO/Nasdaq: AZN). AstraZeneca supplies clinical trial drugs.
Joyson Karakunnel, MD, MSc, FACP, Chief Medical Officer at Innate Pharma "We are pleased to announce the dosing of a first patient in this Phase 2 study conducted in collaboration with our partner AstraZeneca. The study aims to assess the potential of combining our IPH5201 drug candidate with durvalumab as neoadjuvant treatment with chemotherapy and adjuvant treatment in patients affected by resectable, early stage non-small cell lung cancer. If this combination shows relevant anti-tumor activity while remaining well tolerated, as observed in the previous Phase 1 study, it will be a major step in the development of IPH5201 in this indication."
Fabrice Barlesi, MD, PhD, Professor of medicine at Paris Saclay University, General Manager of Gustave Roussy and principal investigator of the study added "Despite the introduction of novel treatment strategies, including immunotherapy with immune checkpoint inhibitors, many patients with resectable, early stage non-small cell lung cancer relapse following treatment leaving an important medical need in this setting. IPH5201 is a potential approach to reduce immunosuppression and promote antitumor immune responses in the tumor microenvironment. We look forward to continued enrollment and future results from this trial."
More information about the Phase 2 MATISSE trial can be found on clinicaltrials.gov.
Innate received a $5m milestone payment from AstraZeneca when the decision was made to progress IPH5201 to a Phase 2 clinical trial.
About IPH5201:
IPH5201 is a blocking antibody targeting the CD39 immunosuppressive pathway. CD39 is an extracellular enzyme that is expressed in the tumor microenvironment, on both tumor infiltrating cells and stromal cells in several cancer types. CD39 inhibits the immune system by degrading adenosine triphosphate (ATP) into adenosine monophosphate (AMP), which is then further degraded into adenosine by CD73. By promoting the accumulation of immune-stimulating ATP and preventing the production of immune-suppressive adenosine, the blockade of CD39 may stimulate anti-tumor activity.