Yeah i ran into similar stuff... but so far have not found anything double-blind crossover controlled trials and nothing recent... most recent 2003, mentions need for these...
be nice to see an investigation as to whether it has primary antidepressive qualities independently of its action on BDV infection which.
anyway whatever, if your pdoc is on board, can't hurt (too much) to try i figure, 'specially if it worked before.
~ waves ~