Monitor Closely 1 lemborexant, brexanolone lasix side effects in elderly A compound of the formula I, II, III, IV, V, VI, VIa, VII, VIIa or VIIb or any sub groups or examples thereof as defined herein for use in modulating a cellular process for example cell division by inhibiting the activity of Hsp90 in a subject undergoing treatment with one or more ancillary compounds