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. 2022 Nov 4;13:989563. doi: 10.3389/fmicb.2022.989563

Table 1.

Storage conditions according to International Conference on Harmonization (ICH) pharma guidelines Q1A for the development of new drug products.

Study Storage condition Minimum time needed for data submission Control points (months)
Refrigerated condition 5°C ± 3°C 12 months 0, 3, 6, 12
Long Term Zone II 25°C ± 2°C
60% ± 5% RH
Zone IVb 30°C ± 2°C/
75% ± 5% RH
12 months 0, 3, 6, 12
Accelerated 40°C ± 2°C
75% ± 5% RH
12 months 0, 1, 2, 3, 6

RH: Relative Humidity.