Table 2.

Mean ± standard deviation (percentage of baseline) stability results for acyclovir, ganciclovir and H2G

	Acyclovir (ng/mL)	Ganciclovir (ng/mL)	H2G (ng/mL)
Baseline QCL	105.9 ± 3.5	94.5 ± 2.9	92.4 ± 7.8
4°C × 7 days	99.3 ± 3.5 (93.8)	94.7 ± 1.0 (100.2)	97.2 ± 1.7 (105.2)
23°C × 24 h	96.2 ± 1.8 (90.8)	93.1 ± 2.1 (98.5)	96.6 ± 3.8 (104.6)
Five freeze–thaw cycles	93.1 ± 5.6 (87.9)	92.9 ± 2.0 (98.3)	96.8 ± 7.4 (104.8)
Baseline QCM	944 ± 25.4	932 ± 18.5	958 ± 14.2
4°C × 7 days	969 ± 8.3 (102.6)	949 ± 9.5 (101.8)	999 ± 0.8 (104.3)
23°C × 24 h	975 ± 3.1 (103.3)	947 ± 1.9 (101.6)	984 ± 5.4 (102.7)
Five freeze–thaw cycles	973 ± 2.4 (103.0)	947 ± 4.1 (101.6)	983 ± 3.7 (102.6)

QCL, low quality control. QCM, medium quality control.