Full dose Qnexa: 15 mg Phentermine plus 92 mg Topamax causes weight loss of 9.2% vs 1.7% w/ placebo

Posted by .(JavaScript must be enabled to view this email address)
Thursday, December 11, 2008 6:52 am Email this article
A full dose of Qnexa, which is 15 mg of phentermine plus 92 mg of Topamax (topiramate), caused an average weight loss of 19.8 pounds versus 3.3 pounds with placebo, or 9.2 percent versus 1.7 percent during a six month study according to a press release from press release from Vivus, Inc, the company developing the drug. Duration

Duration: One month of increasing the dose plus six months

The study gradually increased the dose over one month (4 weeks) followed by an additional six months.

 

Subjects

Subjects: 756 people

The study, called The EQUATE study, “included 756 obese subjects (599 females and 157 males) across 32 centers in the United States.”

 

Starting Weight

Starting weight: 223 lbs, BMI of 36

Patients started the study at an average of 223 pounds with a body mass index (BMI) of 36.3.

REFERENCE

Vivus. Qnexa meets primary endpoint by demonstrating superior weight loss over components and placebo in the 28-week equate study (ob-301) : Subjects on full-dose qnexa attained an average weight loss of 9.2% with 66% achieving 5% or greater weight loss. Press Release from Vivus Inc. 2008 Dec 11, http://ir.vivus.com/phoenix.zhtml?c=79161&p=irol-newsArticle&ID=1235079&highlight=

Articles on the same subject can be found here:

• Qsymia (phentermine and topiramate) (formerly Qnexa)