The drug and device trends in the treatment of obesity

Several events have set the stage for change in the markets for treatment of obesity. Key among them are the 2012 FDA approvals of (link) of Vivus’ Qsymia (combination of phentermine and topiramate) and Arena Pharmaceuticals’ Belviq (lorcaserin).  In a market that has been dominated by surgical procedures and medical devices, the introduction of two significant pharmaceutical options has served notice that pharma is finally seizing hold of this large and growing opportunity.  The potential addition of yet another obesity drug, Orexigen’s Contrave (combination of naltrexone and bupropion), will only hasten this change.

Combine the advent of obesity drugs (whether or not reimbursement is at optimum levels) with the demand-pinching force of a still somewhat hobbled economy and its impact on the significantly out-of-pocket payment for obesity surgery and device procedures and it becomes clear that the market is shifting away from device and toward pharma. Gastric bypass (e.g., Roux en-Y) will hold stronger than device treatments due to lower cost. As a result, the adjustable gastric band, such as Allergan’s Lap-Band, will see a decline in the total share of obesity surgeries.  See the trend in Europe as an example:

Trend in Metabolic/Bariatric Surgery, Europe, 2003-2013

RYGB= Roux-en-Y gastric bypass
AGB=Adjustable gastric band
BPD/DS= Biliopancreatic diversion with duodenal switch
SG=Sleeve gastrectomy

Source: MedMarket Diligence, LLC; Report #S835.

Established obesity devices such as restrictive devices (e.g., Lap-Band and transoral gastropexy) and artificial fullness devices (e.g., gastric balloon) will represent slower growth than malabsorption devices, gastric emptying devices and appetite suppression devices, but which have thus far gained little presence in the market.  By comparison, appetite suppression drugs are already on the market and, with combination drugs taking off quickly, the share of the future market will be increasingly dominated by appetite suppression and combination drugs.

Source: MedMarket Diligence, LLC; Report #S835.

 

The report, “Products, Technologies and Markets Worldwide for the Clinical Management of Obesity, 2011-2019”, may be purchased online at link.

 

 

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