Shire plc (SHPGY) Says SPD476 Miss Primary Endpoint in PREVENT2
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Shire plc (Nasdaq: SHPGY), announced top-line results of the PREVENT2 trial, a phase 3 investigational study of once-daily SPD476, MMX mesalamine in patients with a history of diverticulitis.
The study, conducted in 10 countries worldwide including the United States, did not meet the primary endpoint in reducing the rate of recurrence of diverticulitis over a 2-year treatment period. In addition, SPD476, MMX mesalamine did not show a significant difference compared to placebo on the key secondary endpoint of the study.
The objective of the PREVENT2 investigational study was to evaluate the safety and efficacy of SPD476, MMX mesalamine versus placebo in reducing the incidence of recurrent attacks of diverticulitis in patients with a history of at least one prior attack.[1]
The primary efficacy measure was the proportion of patients without a recurrence of diverticulitis between three doses of SPD476, MMX mesalamine and placebo at week 104. Recurrence of diverticulitis was defined as: 1) the presence of each and all of the following three items: abdominal pain, a 15% increase in white blood cell count from baseline, and bowel wall thickening (>5mm) and/or fat stranding as evidenced by spiral computerized axial tomography (CT) scan, or 2) surgical intervention for diverticular disease. The key secondary endpoint evaluated recurrence based on CT scan only.
There were no new safety observations identified in the PREVENT2 trial.
The study, conducted in 10 countries worldwide including the United States, did not meet the primary endpoint in reducing the rate of recurrence of diverticulitis over a 2-year treatment period. In addition, SPD476, MMX mesalamine did not show a significant difference compared to placebo on the key secondary endpoint of the study.
The objective of the PREVENT2 investigational study was to evaluate the safety and efficacy of SPD476, MMX mesalamine versus placebo in reducing the incidence of recurrent attacks of diverticulitis in patients with a history of at least one prior attack.[1]
The primary efficacy measure was the proportion of patients without a recurrence of diverticulitis between three doses of SPD476, MMX mesalamine and placebo at week 104. Recurrence of diverticulitis was defined as: 1) the presence of each and all of the following three items: abdominal pain, a 15% increase in white blood cell count from baseline, and bowel wall thickening (>5mm) and/or fat stranding as evidenced by spiral computerized axial tomography (CT) scan, or 2) surgical intervention for diverticular disease. The key secondary endpoint evaluated recurrence based on CT scan only.
There were no new safety observations identified in the PREVENT2 trial.
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