
Unicycive Therapeutics Receives Complete Response Letter from FDA Regarding Resubmitted Oxylanthanum Carbonate (OLC) New Drug Application (NDA)
>The CRL is based on the same third-party manufacturing deficiencies that were identified in the previous CRL issued in June 2025. Unicycive understands that the FDA has not yet conducted its inspection of that third-party manufacturing vendor as part of the review process of the resubmitted NDA. The NDA for OLC had been resubmitted based on Unicycive’s belief of continued progress by the original third-party manufacturing vendor in resolving FDA-cited deficiencies and demonstrating inspection readiness. Unicycive previously discussed these milestones during a Type A meeting with the FDA in September 2025, which was held to obtain feedback and alignment on resolving the deficiencies identified in the Company’s CRL related to the compliance status of the vendor. The FDA did not express any concerns about the third-party manufacturer’s progress and no additional issues were raised by the FDA at the Type A meeting.
https://ir.unicycive.com/news/detail/123/unicycive-therapeutics-receives-complete-response-letter
It's been a while since I've seen the Agency issue a CRL due to a lack of a facility inspection. Not since the Covid era, when travel restrictions impacted a lot of inspections. I would love to see the CRL, to see if there is any hint as to why the 3rd party facility wasn't inspected. But unfortunately, the FDA hasn't published any CRLs since Makary left. The most recent CRL on the FDA website is Abbvie's April 22nd CRL.