I have no affiliations to this - posting it here because I know there are ND people who find cannabis helps with some of the symptoms associated with autism and because I think it's vital that studies like this get the widest possible gene pool involved.
Basic requirements seem to be that you're aged 18-45 and live in the London area or can travel there.
[Kings College] King's College London spearheads the largest ever independent study into cannabis use
[Medscape] Largest Ever Study Into the Effects of Cannabis on the Brain
