Table 2.
Ingredients | Prototype 1 Vaginal Gel (% w/w) |
Prototype 2 Vaginal Gel (%w/w) |
||
---|---|---|---|---|
Purified Water | q.s. to 100% | q.s. to 100% | ||
Methyl Paraben NF | 0.18 | 0.18 | ||
Propyl Paraben NF | 0.02 | 0.02 | ||
EDTA Disodium USP | 0.15 | 0.15 | ||
Carbopol 974P NF | 6.2 | 6.2 | ||
Lactic Acid USP | 0.6 | None | ||
Acetic Acid USP | 0.087 | None | ||
2N KOH NF | q.s. to pH 3.7 | q.s. to pH 3.7 | ||
SPL7013 Dendrimer | 3.0 | 3.0 | ||
Characterization (n = 3.5 batches) | ||||
pH | 3.7 ± 0.08 | 3.7 ± 0.03 | ||
Viscosity | 9484 ± 1344 cP | 8245 ± 1693 cP | ||
Buffering Capacity | 0.31 ± 0.02 mEq/g | 0.28 ± 0.01 mEq/g | ||
Osmolality | 202 ± 13 mOsm/kg | 102 ± 4 mOsm/kg |