Table 3.
Storage Conditions | Month | Drug Content (%) | Cumulative Drug Release at 1 h (%) | Particle Size (nm) | PDI | Zeta Potential (mV) |
---|---|---|---|---|---|---|
25±2°C with 65±5% RH | 0 | 100±1.25 | 97.2±2.35 | 133±1.47 | 0.147±0.020 | 50.3±3.02 |
1 | 99.8±2.35 | 95.6±95.6 | 140±1.12 | 0.149±0.003 | 51.7±1.37 | |
3 | 98.7±2.58 | 96.0±3.48 | 143±2.57 | 0.149±0.006 | 50.8±0.379 | |
6 | 98.5±3.03 | 91.2±1.95 | 147±3.44 | 0.157±0.004 | 49.7±0.737 | |
40±2°C with 75±5% RH | 0 | 101±2.02 | 93.9±3.33 | 135±1.66 | 0.133±0.009 | 50.2±0.666 |
1 | 97.2±1.25 | 95.8±4.25 | 140±1.02 | 0.137±0.001 | 51.0±0.416 | |
3 | 98.3±1.87 | 96.5±2.48 | 149±3.37 | 0.151±0.007 | 50.9±0.529 | |
6 | 97.6±2.21 | 91.4±3.75 | 153±2.28 | 0.162±0.004 | 50.6±0.404 |
Notes: Cumulative release of OP from ODSF was measured in 900 mL of 0.1 N HCl (pH 1.2) using the United States Pharmacopeia dissolution test apparatus I with a rotating speed of 100 rpm at 37±0.2°C. Each value is shown as mean±standard deviation (n=6).
Abbreviations: OP, oxaliplatin; DLM, Nα-deoxycholyl-l-lysyl-methylester; OP/DLM, ion-pairing complex between OP and DLM; P188, poloxamer 188; OP-SF, solid oral formulation of OP with P188 and Labrasol; ODSF, solid oral formulation of OP/DLM with P188 and Labrasol; PDI, polydispersity index; RH, relative humidity.