– The U.S. Food and Drug Administration (FDA) identified deficiencies at a third-party manufacturing vendor
– FDA to provide final decision by PDUFA action date of June 28, 2025
LOS ALTOS, Calif., June 10, 2025 (GLOBE NEWSWIRE) — Unicycive Therapeutics, Inc. (Nasdaq: UNCY or the “Company”), a clinical-stage biotechnology company developing therapies for patients with kidney disease, today announced an update on its New Drug Application (NDA) for oxylanthanum carbonate (OLC) to treat hyperphosphatemia in patients with chronic kidney disease (CKD) on dialysis.
The FDA communicated to the Company that it had identified deficiencies in cGMP compliance at a third-party manufacturing vendor (one of its CDMO’s third-party subcontractors and not its Drug Substance vendor) following an FDA inspection.
The FDA indicated that, given the identified deficiencies, any label discussions between the FDA and the Company are precluded. The Company has responded to all FDA information requests and expects a final decision from the FDA by the PDUFA action date of June 28, 2025.
“We are discussing with our partners to help resolve FDA’s concerns and remain confident in the promise of OLC based on the extensive clinical and preclinical data we’ve generated,” said Shalabh Gupta, M.D., Chief Executive Officer of Unicycive. “We believe OLC is a promising new treatment option and we are eager to bring it as quickly as we can to patients with CKD on dialysis who are living with hyperphosphatemia.”
About Oxylanthanum Carbonate (OLC)
OLC is an investigational oral phosphate binder that leverages proprietary nanoparticle technology to deliver high phosphate binding potency, reducing the number and size of pills that patients must take to treat hyperphosphatemia in patients with chronic kidney disease (CKD) on dialysis. Its potential best-in-class profile may have meaningful patient adherence benefits over currently available treatment options as it requires a lower pill burden.
Unicycive is seeking FDA approval of OLC via the 505(b)(2) regulatory pathway. The NDA submission package is based on data from three clinical studies (a Phase 1 study in healthy volunteers, a bioequivalence study in healthy volunteers, and a tolerability study of OLC in CKD patients on dialysis), multiple preclinical studies, and the chemistry, manufacturing and controls (CMC) data. OLC is protected by a strong global patent portfolio including issued patents on composition of matter with exclusivity until 2031, and with the potential for patent term extension until 2035.
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