FDA rejects Celltrion BLA for biosimilars to trastuzumab (CT-P6) and rituximab (CT-P10)

Apr 6, 2018

Celltrion announces that the FDA has rejected its BLA for biosimilars to trastuzumab (CT-P6) and rituximab (CT-P10).  The FDA complete response letter (CRL) followed a FDA warning letter received by Celltrion in January this year.  Celltrion promises that the BLAs will be resubmitted “relatively soon” and that approvals are expected “in 6 months after resubmission”.   The rejections were received 9 months after the BLAs were filed, and less than 2 months following the EU approval of Celltrion’s trastuzumab.

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