As patents start to run out on some of the most profitable drugs, big pharma is looking for a new business models and new drugs. In addition to the cocaine vaccine, there are reports that they are working on a vaccine for alzheimer's.
What I also find new about the Cocaine Vaccine is that traditionally vaccines are composed of biological agents that mimic or resemble a decease-causing microorganism. Cocaine addition and alzheimer's are not caused by a microorganism which would indicate that big pharma are cooping the word 'vaccine' for a new class of drugs.