The Tufts study, published in the Jan. 1 edition of the British Medical Journal, added that "insured patients faced with high co-payments on their prescriptions may also benefit financially from over-the-counter availability."
Switching drugs from Rx to OTC status "is an evolution," Joshua P. Cohen, senior research fellow for the Tufts Center for the Study of Drug Development, said in an interview. "It's based on a combination of clinical factors, consumer responsibility and the changing role of the FDA."
Cohen expects another flurry of Rx-to-OTC switches in the next few years amid an environment of rising drug costs, insurance company pressure and patent expirations on big-selling drugs. "It is, for the most part, cost-driven," he said.
Since the mid-1970s, changing physician, regulator and patient attitudes have affected the marketing of antihistamines, pain relievers, heartburn remedies, hair-loss treatments and smoking-cessation drugs. Some of the most famous prescription names of yesteryear -- Claritin, Rogaine, Pepcid, Zantac, Nicorette, Prilosec -- are all now sold without a prescription.Is Mevacor next? Four years ago,