Until now, I found the following.
Bustamante, P.; Peña, M. A.; Barra, J.: The modified extended Hansen method to determine partial solubility parameters of drugs containing a single hydrogen bonding group and their sodium derivatives: benzoic acid/Na and ibuprofen/Na. Int. J. Pharm. 194 (2000) 117-124:
benzoic acid/Na, ibuprofen/Na
Barra, J.; Peña, M. A.; Bustamante, P.: Proposition of group molar constants for sodium to calculate the partial solubility parameters of sodium salts using the van Krevelen group contribution method. Eur. J. Pharm. Sci. Off. J. Eur. Fed. Pharm. Sci. 10 (2000) (2) 153-161:
benzoic acid/Na, diclofenac/Na, ibuprofen acid/Na, p-aminobenzoic acid/Na, salicylic acid/Na
Kitak, T.; Dumicic, A.; Planinšek, O.; Šibanc, R.; Srcic, St.: Determination of Solubility Parameters of Ibuprofen and Ibuprofen Lysinate. Molecules 20 (2015) (12) 21549-21568:
ibuprofen/Na
There are almost 20 sodium salts in the HSPiP software.