From what I can gather, the only advantage offered by IntelGenx's CPI-300 is this single-pill convenience. CPI-300 isn't more effective than regular bupropion; it isn't safer or better tolerated. All CPI-300 does is allow a patient who needs 450 mg of bupropion to swallow one pill every day instead of two pills every day.
Sorry, but there's nothing "novel" about CPI-300 especially when you consider that bupropion is generic. No insurance company is going to pay for CPI-300 over cheap, generic bupropion. Forget about it.
FDA rejected CPI-300 in 2010 citing problems with the drug's manufacturing and a food effect. IntelGenx claims to have resolved both issues. A new contract-manufacturing partner was brought on to make CPI-300, but how IntelGenx resolved the food effect issue is a bit unclear. A company spokesperson says CPI-300 was reformulated to show a food effect similar to what's seen with Wellbutrin XL but the data to support this reformulation wasn't provided.
Oh, I should also mention that after FDA rejected CPI-300 in 2010, IntelGenx's development partner
Cary Pharmaceuticals walked away. IntelGenx says Cary gave up on CPI-300 due to lack of funds. Regardless, IntelGenx has no marketing partner for CPI-300, very little cash, no commercial or marketing infrastructure of its own and the stock trades on the bulletin boards.
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