To look up

Strange things that I have seen doctors do that I'd like to look up:
gabapentin prn
super high erythromycin dose by dermatologist

Clozapine registries

This is a comprehensive list of the companies marketing clozapine as of September 2006:

Novartis has brand name Clozaril registry at www.clozaril.com
Par has www.parclozapine.com
Mylan has CPAS at www.mylan-clozapine.com
Ivax has www.clozapine-registry.com (previously marketed by Zenith-Goldline Pharmaceuticals)
Caraco is at www.caracoclozapine.com

FazaClo is the ODT version www.fazaclo.com

Data from FDA Orange Book and Google Searches (gotta love them)