On September 16, 2024 Ipsen (Euronext: IPN; ADR: IPSEY) reported final data from the CABINET Phase III trial investigating Cabometyx (cabozantinib) versus placebo in people living with advanced pancreatic neuroendocrine tumors (pNETs) or advanced extra-pancreatic neuroendocrine tumors (epNETs) whose disease had progressed after prior systemic therapy (Press release, Ipsen, SEP 16, 2024, View Source [SID1234646657]). These data demonstrated a statistically significant reduction in the risk of disease progression or death for Cabometyx versus placebo of 77% (hazard ratio (HR) 0.23) and 62% (HR 0.38) for people living with advanced pNETs and epNETs, respectively.1,2 Presentation of these data is taking place today at the 2024 European Society for Medical Oncology Congress (ESMO 2024) during the Proffered Paper Session: NETs and Endocrine Tumors at 2:45 p.m. CEST, and is published in the New England Journal of Medicine (NEJM).
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"People living with neuroendocrine tumors face many challenges, from securing a timely diagnosis to optimal treatment options which address the needs of the increasing number of people affected by this cancer worldwide," said Teodora Kolarova, Executive Director, International Neuroendocrine Cancer Alliance. "These latest data reaffirm the possibilities of continuing scientific advancements in neuroendocrine tumors, offering the potential for new therapies which could significantly impact people’s everyday lives as they navigate this complex and life altering diagnosis."
Final results demonstrated progression-free survival (PFS) benefits in favor of Cabometyx versus placebo by blinded independent central review (BICR).1,2 In the pNET cohort, at a median follow-up of 13.8 months, median PFS was 13.8 months for Cabometyx versus 4.4 months for placebo (HR 0.23 [95% confidence interval (CI) 0.12-0.42] p<0.0001).1,2 In the epNET cohort, at a median follow-up of 10.2 months, median PFS was 8.4 months for Cabometyx versus 3.9 months for placebo (HR 0.38 [95% CI 0.25-0.59] p<0.0001).1,2 The safety profile of Cabometyx observed in each cohort was consistent with its known safety profile; no new safety signals were identified.1,2
"These latest data reinforce the potential of Cabometyx to deliver significant efficacy benefits at an advanced stage of disease," said Christelle Huguet, EVP and Head of Research and Development at Ipsen. "Through our submission to the EMA, it is our ambition to evolve the treatment paradigm for people living with neuroendocrine tumors, harnessing our longstanding heritage in this area to deliver an effective new therapy where options are notably limited."
The number of people newly diagnosed with NETs is believed to be rising due to increasing awareness and better methods of diagnosis, with approximately 35 in every 100,000 people currently living with NETs globally.5,6 However, despite increasing awareness, the non-specific nature of NET symptoms often leads patients to be seen by multiple specialists and to undergo various forms of testing before an accurate diagnosis is achieved.5 As a result, almost a third of people take at least five years to be diagnosed with NETs, contributing to poorer patient outcomes.5 Most forms of NETs are indolent in nature and can develop in any part of the body,7 requiring multiple lines of therapy as people progress.3,4 Treatment options upon progression are often limited dependent on primary site of disease, resulting in challenges in identifying optimal care pathways specific to patients’ circumstances.