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. 2021 Jul 13;39(35):4932–4937. doi: 10.1016/j.vaccine.2021.07.007

Table 1.

Manufacturing processes for which sampled manufacturers require support.

Assessed manufacturing processes Number of manufacturers requiring support Percentage
Drug Substance
Scale-up 20 74.1%
Upstream processes 19 70.4%
Downstream processes 19 70.4%
Facility modification 11 40.7%
Drug Product
Formulation 18 66.7%
Filling 10 37.0%
Packaging 3 11.1%
Storage 2 7.4%
Supply
Shipping Validation 12 44.4%
Cold chain equipment 8 29.6%
Logistics 4 14.8%
Clinical Trials
Phase III 19 70.4%
Protocols Development 13 48.1%
Phase I 11 40.7%
Phase II 11 40.7%
Post-marketing Surveillance 9 33.3%
Contract Research Organizations 5 18.5%
Regulatory
Guidance on EUA 16 59.3%
PQ 16 59.3%
Collaborative Registration Procedure 14 51.9%
Post Approval Changes 7 25.9%

The number and percentage of sampled manufacturers who require support for the listed processes.

Respondents were able to select any number of the listed processes.