Apomorphine is a semisynthetic derivate of opium. It is a strong stimulator of D1 and D2 receptors but its effect lasts only about 1 hour and is used mainly to combat on-off effects. So far used subcutaneously but a intra-nasal form is being tested. Maryse cg John 72,12 ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn