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HomeLatest Pharma-NewsNovartis Piqray® data show survival benefit in HR+/HER2- breast cancer

Novartis Piqray® data show survival benefit in HR+/HER2- breast cancer

September 19, 2020: “Novartis announced results of the final overall survival (OS) analysis from the SOLAR-1 trial, which evaluated Piqray® (alpelisib) in combination with fulvestrant, compared to fulvestrant alone, in hormone receptor positive, human epidermal growth factor receptor-2 negative (HR+/HER2-) advanced breast cancer patients with tumors harboring a PIK3CA mutation.

Piqray is the only treatment approved in Europe, the United States and 15 other countries specifically for people with HR+/HER2- advanced breast cancer with a PIK3CA mutation.

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These data will be presented as a late-breaking oral presentation during the ESMO Virtual Congress 2020.

In the study, there was a clinically relevant improvement in OS of eight months for patients with a PIK3CA mutation taking Piqray plus fulvestrant compared to fulvestrant alone (median OS 39.3 months vs. 31.4 months; one-sided p≤0.0161; HR=0.86; 95% CI: 0.64-1.15; p=0.15).

This difference did not reach the prespecified threshold of statistical significance set for the secondary objective of OS in patients with PIK3CA-mutated breast cancer.

A more than 14 month OS improvement was observed in patients with lung or liver metastases, which signify more aggressive disease (median OS 37.2 months vs. 22.8 months; HR=0.68; 95% CI: 0.46-1.00).

“These results build on previous data showing that alpelisib nearly doubled median progression-free survival in this patient population,” said Fabrice André, MD, PhD, research director and head of INSERM Unit U981, professor in the Department of Medical Oncology at Institut Gustave Roussy in Villejuif, France, and global SOLAR-1 principal investigator.

“Patients whose tumors have a PIK3CA mutation, particularly those with lung or liver metastases, have a more aggressive, harder to treat cancer, so these results showing alpelisib offers longer life, are promising.”

In addition, data showed the need for chemotherapy was delayed in patients taking Piqray plus fulvestrant by nine months compared to those taking fulvestrant alone (23.3 months vs. 14.8 months; HR=0.72; 95% CI: 0.54-0.95).

Quality of life (QOL) was maintained for people taking Piqray plus fulvestrant.

“These data demonstrating survival benefit give the 40% of HR+/HER2- advanced breast cancer patients with PIK3CA mutations in their tumors more time to spend with loved ones and do what they value most,” said Susanne Schaffert, PhD, President, Novartis Oncology.

“We are committed to reimagining a world where advanced breast cancer becomes a curable disease, and these data reinforce our confidence as we continue to explore the potential use of Piqray in other types of breast cancer with PIK3CA mutations.”

No new safety signals were observed; adverse events were consistent with previously reported SOLAR-1 results.

Visit for the latest information from Novartis including our bold approach to reimagining cancer care, and access to our ESMO Virtual Congress 2020 symposia and data presentations (for registered participants).

In July 2020, the European Commission (EC) approved Piqray in combination with fulvestrant for the treatment of postmenopausal women, and men, with HR+/HER2- locally advanced or metastatic breast cancer with a PIK3CA mutation after disease progression following endocrine therapy as monotherapy.

Piqray® (alpelisib)
Piqray is a kinase inhibitor developed for use in combination with fulvestrant for the treatment of postmenopausal women, and men, with HR+/HER2-, PIK3CA-mutated, advanced or metastatic breast cancer following progression on or after endocrine-based regimen.

Piqray is approved in 48 countries, including the US and European member states.”


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