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. 2021 May 5;30(1):11–16. doi: 10.1136/ejhpharm-2020-002597

Table 6.

pH of carmustine (Carmustin Obvius, Carmubris) infusion solutions (0.20 mg/mL, 1.00 mg/mL) diluted in 5% glucose injection solution (freeflex PP/PE bags), stored at 22°C for 11 hours under light protection

Carmustine-containing medicinal product Concentration (mg/mL) Mean±SD pH (n=3)
Initial 3.5 hours 6 hours 8.5 hours 11 hours
Carmustin Obvius 0.2 6.59 (±1.31) 5.32 (±6.51) 6.23 (±1.54) 5.36 (±5.10) 6.11 (±5.50)
Carmubris 4.90 (±6.98) 4.91 (±6.21) 5.25 (±2.38) 4.92 (±4.22) 4.82 (±4.63)
Carmustin Obvius 1.0 6.18 (±1.18) 5.77 (±2.23) 5.75 (±1.25) 5.57 (±1.67) 5.36 (±3.82)

Mean±RSD pH of three measurements per sample per time point (n=3).

RSD, relative standard deviation.