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Complete Response Letters

Bio-Thera Solutions Ltd.: BAT1706

What FDA's Complete Response Letters to the company say, in the letters' own words.

Complete Response Letter, Nov 19, 2021

BAT1706 and EU-Avastin did not meet the acceptance criteria, which may suggest the presence of interference that may impact the ability to accurately measure the BAT1706 and EU-Avastin concentrations.
Complete Response Letter · Nov 19, 2021 · p. 2Open the letter at p. 2 ↗CRL_BLA761198_20211119:p1:s20
Therefore, the PK data from Study BAT1706-001-CR could not be used to support a demonstration of biosimilarity or establish the PK component of the scientific bridge to support the relevance of data generated using EU-Avastin as the comparator product in study BAT1706-003-CR.
Complete Response Letter · Nov 19, 2021 · p. 2Open the letter at p. 2 ↗CRL_BLA761198_20211119:p1:s21
BAT1706 has no clinically meaningful differences from US-Avastin in terms of safety, purity, and potency.
Complete Response Letter · Nov 19, 2021 · p. 2Open the letter at p. 2 ↗CRL_BLA761198_20211119:p1:s23
(LLOQ) and high quality control (HQC) to establish the selectivity of the bioanalytical method for BAT1706 and EU-Avastin.
Complete Response Letter · Nov 19, 2021 · p. 2Open the letter at p. 2 ↗CRL_BLA761198_20211119:p1:s25
FDA must assess the ability of that facility to conduct the listed manufacturing operations in compliance with CGMP.
Complete Response Letter · Nov 19, 2021 · p. 6Open the letter at p. 6 ↗CRL_BLA761198_20211119:p2:s29
Complete Response Letter while the travel restrictions remain in effect.
Complete Response Letter · Nov 19, 2021 · p. 6Open the letter at p. 6 ↗CRL_BLA761198_20211119:p2:s32
However, even if these deficiencies are addressed, the application cannot be approved until the required FDA inspection is conducted and any findings are assessed regarding your application.
Complete Response Letter · Nov 19, 2021 · p. 6Open the letter at p. 6 ↗CRL_BLA761198_20211119:p2:s33
Please see the FDA's "Resiliency Roadmap for FDA Inspectional Oversight" for more information on FDA's plan to resume inspections (https:/Awww.fda.gov/media/148197/download).
Complete Response Letter · Nov 19, 2021Open the letter ↗CRL_BLA761198_20211119:p2:s35
Update Section 3.2.P.3.3 of the BLA with information on BAT1706 DP shipping to the US warehouse/distribution sites, including information for the shipping routes and temperature, shipper (e.g., details of the active shipper), minimum and maximum loads, temperature monitoring during routine shipments, and the validated shipping duration.
Complete Response Letter · Nov 19, 2021 · p. 6Open the letter at p. 6 ↗CRL_BLA761198_20211119:p3:s0
For this purpose, first-cycle actions include approvals, complete responses, and withdrawals after filing.
Complete Response Letter · Nov 19, 2021 · p. 9Open the letter at p. 9 ↗CRL_BLA761198_20211119:p4:s15

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