On December 7, 2017 Eagle Pharmaceuticals, Inc. (Nasdaq: EGRX) ("Eagle" or "the Company") reported that it has begun dosing subjects in its pivotal study for the Company’s fulvestrant formulation intended as a monotherapy treatment of hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced breast cancer in postmenopausal women not previously treated with endocrine therapy, or HR-positive advanced breast cancer in postmenopausal women with disease progression following endocrine therapy or as a combination therapy with palbociclib for the treatment of HR-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced or metastatic breast cancer in women with disease progression after endocrine therapy (Press release, Eagle Pharmaceuticals, DEC 7, 2017, View Source [SID1234522424]).
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This pharmacokinetic and safety pivotal study is an open label trial in which healthy female volunteers across multiple U.S. sites will be randomized 1:1 to receive either the Company’s fulvestrant formulation or the reference drug Faslodex. The Company anticipates dosing its last subject during the first half of 2018, with study completion within twelve months, and an expected NDA filing in the fourth quarter of 2018.
"We began dosing the first cohort of subjects in our pivotal study fulvestrant trial on November 30th, following guidance from the U.S. Food and Drug Administration (FDA) regarding the study design. We believe our fulvestrant formulation holds the potential to be a best-in-class treatment option for thousands of patients," stated Scott Tarriff, Chief Executive Officer.
"Our innovative formulation, if approved, could offer multiple potential benefits compared to the current branded fulvestrant product, Faslodex. Our formulation allows the therapy to be administered at the recommended dose with one intramuscular injection instead of two high-viscosity intramuscular injections, and in far less time – seconds instead of minutes. In addition, it does not contain castor oil, and our formulation’s lower viscosity allows for administration with a 23-gauge needle, which is 25% thinner than the current needle required to administer Faslodex," added Tarriff.
Faslodex, manufactured by AstraZeneca, generated worldwide sales of $925 million in the twelve months ended September 30, 2017.