Truqap with Faslodex approved for patients with advanced HR-positive breast cancer in the US

Truqap with Faslodex has been approved in the US for the treatment of adult patients with hormone receptor (HR)-positive, HER2-negative locally advanced or metastatic breast cancer with one or more biomarker alterations. The eligible patients will have progressed on at least one endocrine-based regimen in the metastatic setting or experienced recurrence on or within 12 months of completing adjuvant therapy.

The approval by The US FDA was based on the results from the CAPItello-291 Phase III trial, in the trial, Truqap with Faslodex reduced the risk of disease progression or death by 50% versus Faslodex alone in patients with tumours harbouring PI3K/AKT pathway biomarker alterations.

Collectively, mutations in PIK3CA, AKT1 and alterations in PTEN occur frequently, affecting up to 50% of patients with advanced HR-positive breast cancer. Endocrine therapies are widely used in this setting, but many patients develop resistance to 1st-line cyclin-dependent kinase 4/6 inhibitors and estrogen receptor-targeting therapies, underscoring the need for additional endocrine therapy-based options.

Komal Jhaveri, Memorial Sloan Kettering Cancer Center (MSK), US, said: “Patients with advanced HR-positive breast cancer typically experience tumour progression or resistance with widely used first-line endocrine therapies and there is an urgent need to extend the effectiveness of these approaches. The combination of capivasertib and fulvestrant, a first-of-its-kind combination, provides a much-needed new treatment option for up to half of patients in this setting with these specific biomarkers, offering the potential to delay disease progression and provide more time with their disease under control.”

Dave Fredrickson, Executive Vice President, Oncology Business Unit, AstraZeneca, said: “The rapid US approval of Truqapreinforces the important role of the PI3K/AKT pathway in HR-positive breast cancer and the critical need to test patients at the time of diagnosis, as up to fifty per cent have tumours with these alterations. As a first-in-class medicine, this approval provides a critical new option for patients in the US with this specific type of disease and we look forward to bringing Truqap to the many breast cancer patients who can benefit across the globe.”


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