Table 2.

Tumor weight and growth inhibition of A549 tumor-bearing mice by multiple injections of different GA formulations

Group	Tumor weight (g) day 10	Inhibition Ratio (%)
Saline	0.63 ± 0.06	–
GA	0.27 ± 0.05	56.64
HECS-ss-OA/GA	0.21 ± 0.13	68.04
HA(HECS-cc-OA)/GA	0.13 ± 0.17	78.78
HA(HECS-ss-OA)/GA	0.07 ± 0.01	89.24

Note: Data are represented as the mean ± SD (n=5).

Abbreviations: HA, hyaluronic acid; HECS, hydroxyethyl chitosan; OA, octylamine; GA, gambogic acid.