Q-Nexa Pill Faces FDA Approval Again

Government experts will decide the future of this weight-loss pill.
3:00 | 02/17/12

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Transcript for Q-Nexa Pill Faces FDA Approval Again
News tonight for a weight loss pill with a lot of promises -- next -- but it has side effects. So next week the government experts will have to recommend whether it should be approved for release or not. ABC Cecilia Vega tells us about the risks and rewards. It's the tiny pill that promises to be a silver bullet that melts the pounds away. Twenty year old Frazier hard Zell took the drug and went from this -- is that it's losing 165. Pounds -- just one year. Every year right gain more and more and I always tried to go on -- For -- print it meant losing fifty pounds from this to this also in about a year. Both we're taking a version of the diet pill called -- next stop a drug once rejected by the FDA for safety concerns. But it's now being considered for approval for every one. I went there tonight past 225 pounds -- definite change. The makers of -- -- and know that after diet eating a crushing 80% to -- end up putting the pounds right back on. The drugmaker says -- -- will help people lose at least 5% of their body weight. Some say they gain the weight back after stopping the -- But -- next benefits may go beyond weight -- it also claims to lower blood pressure cut down the risk for diabetes and improve disrupted sleep apnea. If approved can actually be the most potent medicine we -- we would have on the market to treat obesity. Currently available drugs are not -- effective. And the list of possible side effects is long from memory loss and confusion. Increased heart rate and birth defects. The track record of diet drugs is strewn with -- and lawsuits in 1997 it was widely popular fen Phen. Pulled off the market because it cost heart damage. The scandal and the thirteen billion dollar settlement left the drug industry gun shy about developing new drugs to help shed pounds. Skeptics are still leery. I think diet drugs really fall squarely in the category. Of it's too good to be true but Frazier says he never had any serious side effects for him. It just worked. It was great for me they can do amazing things -- Next week the government's top experts will hear more on whether -- -- should be available for you. To -- of -- got ABC news Los Angeles.

This transcript has been automatically generated and may not be 100% accurate.

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