抗癌藥paclitaxel的水溶性不佳,其注射劑係以castor oil的衍生物(Cremophor \mathrm{EL}^{\mathrm{\text{®}}})當助溶劑,有類似劑型的抗癌藥為:
\mathrm{EL}^{\mathrm{\text{®}}}
Teniposide
Cisplatin
Methotrexate
Mitoxantrone