h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

In addition to the new uses for thalidomide, which you've listed, it's worth noting that researchers at Queen's Medical Centre, Nottingham, UK are investigating its use to treat cancer in young children.

It is thought that the stunted limbs (phocomelia) in babies born during the 1960s might have been due to amn anti=angiogenic effect of the drug (stops formation of new blood vbessels in the limbs). This very property might make it useful against cancer which, being due to fast growing cells, requires a good blood supply. Early studies apparently show promise for treating people with gliomas, a fast growing form of brain tumour.
It is thought that thalidomid3e might also reduce some of the side-effects of cancer, such as hight temperatures, night sweats and weight loss.not have some of the

There has also been some success in treating neurofibromatosis with Thalidomide.

The left/right handed molecule thing is a red herring: thalidomide rapidly racemises in vivo and so it is not possible to establish if one form has a different effect to the other.

Yes, Ewen appears to be correct. Just putting this here so that I can find it again for future reference:

http://www.chem.yale.edu/~chem125/125/thalidomide/thalidomide.html

for finding that out - red herrings are a pain, but they just taste so damn good