Konrad Rejdak, M.D., Ph.D.
Konrad Rejdak, M.D., Ph.D.
Kliniczny Nr 4 w Lublinie
ul. Jaczewskiego 8
20-090 Lublin
PolandFEI 3025922936Issued May 29, 2024Center for Biologics Evaluation and Research (CBER)
Source: FDA, published letter. FDA published this warning letter; View Letter opens FDA's copy. To check it, open FDA's record for this establishment, listed under FEI 3025922936.
Violations3
Issue DateMay 29, 2024
Product TypeDrugs
StatusClosed
Closeout LetterNov 10, 2025
Letter Details
Firm
Konrad Rejdak, M.D., Ph.D.
Location
Konrad Rejdak, M.D., Ph.D.
Konrad Rejdak, M.D., Ph.D.
Kliniczny Nr 4 w Lublinie
ul. Jaczewskiego 8
20-090 Lublin
Poland
FEI Number
3025922936
Country
Poland
Issue Date
May 29, 2024
Issuing Office
Center for Biologics Evaluation and Research (CBER)
Product Type
Drugs
Status
Closed
Closeout Letter
November 10, 2025
Summary
Dr. Konrad Rejdak was cited for violations in conducting a Phase III clinical study of HYQVIA (Immune Globulin Infusion 10% with Recombinant Human Hyaluronidase) for treating Chronic Inflammatory Demyelinating Polyradiculoneuropathy. The inspection under the Bioresearch Monitoring Program identified failure to prepare and maintain adequate and accurate case histories documenting all observations and data for subjects administered the investigational product, in violation of 21 CFR 312.62(b). The violations related to improper conduct and oversight of the clinical research involving investigational biologics products under regulations governing 21 CFR Parts 50, 56, and 312.
Konrad Rejdak, M.D., Ph.D. FDA Warning Letter, May 29, 2024