On September 14, 2020 ESSA Pharma Inc. (NASDAQ: EPIX) (TSXV: EPI) ("ESSA" or the "Company"), a clinical-stage pharmaceutical company focused on developing novel therapies for the treatment of prostate cancer reported that the U.S. Food and Drug Administration ("FDA") granted Fast Track Designation to EPI-7386, its oral and highly-selective N-terminal domain inhibitor of the androgen receptor, for the treatment of adult male patients with metastatic castration-resistant prostate cancer ("mCRPC") resistant to standard-of-care treatment (Press release, ESSA, SEP 14, 2020, View Source [SID1234565127]).
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"We are pleased with the FDA’s decision to grant Fast Track designation for development of EPI-7386 to treat mCRPC patients resistant to standard-of-care treatments," said Dr. David R. Parkinson, Chief Executive Officer of ESSA Pharma. "This designation signifies recognition of the unmet medical need for new and effective treatments for this patient population. EPI-7386 may represent a promising novel treatment option for these patients and the designation offers the opportunity to interact more closely with the FDA during the development of EPI-7386."
Fast Track is a designation granted by the FDA that is intended to facilitate development and expedite review of drugs to address an unmet medical need in the treatment of a serious life-threatening condition, and for which nonclinical or clinical data has demonstrated the potential of the drug to address this medical need.
A drug that receives Fast track Designation is eligible for some, or all, of the following:
Eligibility for accelerated approval and priority review, if relevant criteria are met
Rolling review, enabling ESSA Pharma to submit completed sections of its New Drug Application ("NDA") for review by the FDA, rather than waiting until every section of the NDA is completed before the entire application can be reviewed (NDA review usually does not begin until the Company has submitted the entire NDA to the FDA)
More frequent meetings with the FDA to discuss the drug’s development plan and ensure collection of appropriate data to support drug approval
More frequent written communication from the FDA about such things as the design of the proposed clinical trials and use of biomarkers
About EPI-7386 Phase 1 Study
The Phase 1 clinical trial (NCT04421222) expects to enroll approximately 18 mCRPC patients in the dose escalation part of the study at selected clinical sites in the United States and Canada, with an additional ten patients planned to be enrolled in a dose expansion cohort involving additional clinical sites. The study will evaluate the safety and tolerability of EPI-7386 while additionally characterizing the pharmacokinetic, biological and anti-tumor effects of therapy.