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Salix Pharmaceuticals Announces Positive Top Line Results of Balsalazide Tablets Registration Study
July 31, 2007 NDA Submission Targeted
Balsalazide Tablets Offer Twice–a–day Dosing and Reduced Pill Burden
RALEIGH, NC, June 18, 2007 – Salix Pharmaceuticals, Ltd. (NASDAQ:SLXP) today announced the successful completion and outcome of its Phase III registration
trial to evaluate the safety and efficacy of a new 1100 mg tablet formulation of balsalazide disodium (balsalazide tablets). Balsalazide
disodium is the active ingredient in COLAZAL® Capsules 750 mg, an anti–inflammatory drug approved and marketed for the treatment
of mildly to moderately active ulcerative colitis.
Commenting on the study, Bill Forbes, Pharm.D., Vice President Research and Development, Salix Pharmaceuticals, stated, "We are very pleased with the results
of our placebo–controlled, multi–center study of balsalazide tablets, which was conducted solely in the U.S. When compared to subjects
receiving placebo, a statistically significant greater proportion of subjects dosed twice daily with balsalazide tablets for eight weeks achieved
clinical improvement. This distinction in response between balsalazide and placebo was observed for both the primary efficacy endpoint (clinical
improvement in Disease Activity Index of greater than or equal to 3 points with improvement in rectal bleeding) as well as the following key secondary
efficacy endpoints (clinical remission, mucosal healing, improvement of rectal bleeding and improvement in physician global assessment.) These
pivotal Phase III trial findings, along with the positive findings of our Phase I trials assessing formulation performance under conditions including
fed, fasting and multiple dosing, serve as the basis for our New Drug Application. Additionally, following an April 27, 2007 pre–NDA meeting
with the FDA, we currently anticipate an NDA submission by July 31, 2007."
Salix Pharmaceuticals, Ltd., headquartered in Raleigh, North Carolina, develops and markets prescription pharmaceutical products for the treatment of gastrointestinal
diseases. Salix's strategy is to in–license late–stage or marketed proprietary therapeutic drugs, complete any required
development and regulatory submission of these products, and market them through the Company's 150–member gastroenterology specialty sales and
marketing team.
COLAZAL® (balsalazide disodium) Capsules 750 mg, is an anti–inflammatory drug approved for the treatment of mildly to moderately active
ulcerative colitis. Safety and effectiveness of COLAZAL beyond 12 weeks has not been established. COLAZAL was well tolerated in clinical studies.
In clinical trials, patients reported the following adverse events most frequently: headache (8%); abdominal pain (6%); diarrhea (5%); nausea
(5%); vomiting (4%); respiratory infection (4%); and arthralgia (4%). Withdrawal from therapy due to adverse events was comparable to placebo.
Salix also markets Xifaxan® (rifaximin) tablets 200 mg , OSMOPREP™ Tablets (sodium phosphate monobasic monohydrate, USP,
and sodium phosphate dibasic anhydrous, USP), MOVIPREP® (PEG 3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate
and ascorbic acid for oral solution), VISICOL® Tablets (sodium phosphate monobasic monohydrate, USP, sodium phosphate dibasic anhydrous,
USP), PEPCID® OS, DIURIL® OS, AZASAN® (azathioprine 75mg and 100mg tablets, USP), Anusol–HC®
2.5% (hydrocortisone Cream USP), Anusol–HC® 25 mg Suppository (Hydrocortisone Acetate), PROCTOCORT®
Cream (Hydrocortisone Cream USP) 1% and PROCTOCORT® Suppositories (Hydrocortisone Acetate Rectal Suppositories, 30 mg). SANVAR®
IR (vapreotide acetate), balsalazide tablets, granulated mesalamine and Xifaxan® for additional indications are under
development.
For full prescribing information on Salix products, please visit www.salix.com or
contact the Company at 919–862–1000.
Salix trades on the NASDAQ Global Select Market under the ticker symbol "SLXP".
For more information please visit our web site at www.salix.com or contact the Company at 919–862–1000. Information on our web site is not incorporated
in our SEC filings.
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COLAZAL® (balsalazide disodium) Capsules 750 mg are indicated for the treatment of mildly to moderately active Ulcerative Colitis in patients 5 years of age and older.
COLAZAL does not relieve symptoms in all patients; your patients' results may vary. In four well-controlled clinical trials, patients receiving a COLAZAL dose of 6.75g/day most frequently reported the following events
(reporting frequency > 3%): headache (8%), abdominal pain (6%), diarrhea (5%), nausea (5%), vomiting (4%), respiratory infection (4%), and arthralgia (4%). Withdrawal from therapy due to adverse events was comparable to
placebo. In the pediatric trial, patients most frequently reported the following adverse events: headache (15%), abdominal pain upper (13%), abdominal pain (12%), vomiting (10%), diarrhea (9%), colitis ulcerative (6%),
nasopharyngitis (6%) and, pyrexia (6%). COLAZAL is contraindicated in patients with a hypersensitivity to salicylates or the components of COLAZAL capsules or balsalazide metabolites. The safety and effectiveness of
COLAZAL beyond 8 weeks in children (ages 5-17 years) and 12 weeks in adults have not been established.
Consult with your physician to see if this product is right for you.
For complete Prescribing Information, please click here.
Xifaxan® (rifaximin) Tablets are indicated for the treatment of patients (≥12 years of age) with travelers' diarrhea caused by non-invasive strains of
Escherichia coli. Xifaxan should not be used in patients with diarrhea complicated by fever or blood in the stool or diarrhea due to pathogens other than Escherichia coli. Xifaxan should be
discontinued if diarrhea symptoms get worse or persist more than 24-48 hours and alternative antibiotic therapy should be considered.
In clinical trials, Xifaxan was generally well tolerated. The most common side effects (vs. placebo) were flatulence 11.3% (vs. 19.7%), headache 9.7% (vs. 9.2%), abdominal pain 7.2% (vs. 10.1 %), rectal tenesmus 7.2%
(vs. 8.8%), defecation urgency 5.9% (vs. 9.2%) and nausea 5.3% (vs. 8.3%).
Consult with your physician to see if this product is right for you.
For complete Prescribing Information, please click here.
MoviPrep® (PEG-3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate and ascorbic acid for oral solution) is indicated for cleansing of the
colon as a preparation for colonoscopy in adults 18 years of age or older. MoviPrep is contraindicated in patients who have had a severe hypersensitivity reaction
to any of its components. MoviPrep should be used with caution in patients using concomitant medications that increase the risk of electrolyte abnormalities, in patients with known or suspected hyponatremia,
severe ulcerative colitis, ileus, gastrointestinal obstruction or perforation, gastric retention, toxic colitis, toxic megacolon, or glucose-6-phosphate dehydrogenase deficiency. In clinical trials, abdominal
distention, anal discomfort, thirst, nausea, and abdominal pain were the most common adverse reactions to MoviPrep administration. MoviPrep contains a maximum of 2.33 mg of phenylalanine per treatment.
Consult with your physician to see if this product is right for you.
For complete Prescribing Information, please click here.
OsmoPrep® (sodium phosphate monobasic monohydrate, USP, and sodium phosphate dibasic anhydrous, USP) Tablets are indicated for cleansing of the colon as a preparation for colonoscopy
in adults 18 years of age or older. Considerable caution should be advised before OsmoPrep is used in patients with severe renal insufficiency, congestive heart failure, ascites, unstable angina, gastric
retention, ileus, acute obstruction or pseudo-obstruction of the bowel, severe chronic constipation, bowel perforation, acute colitis, toxic megacolon, gastric bypass or stapling surgery, or hypomotility syndrome.
Use with caution in patients with impaired renal function, patients with a history of acute phosphate nephropathy, patients with a history of seizures or at higher risk of seizure, patients with higher risk of cardiac
arrhythmias, known or suspected electrolyte disturbances (such as dehydration), or people taking drugs that affect electrolyte levels. Patients with electrolyte abnormalities such as hypernatremia, hyperphosphatemia,
hypokalemia, or hypocalcemia should have their electrolytes corrected before treatment with OsmoPrep. OsmoPrep is contraindicated in patients with a known allergy or hypersensitivity to sodium phosphate salts or any of
its ingredients. In clinical trials, the most commonly reported adverse reactions (reporting frequency >3%) were abdominal bloating, nausea, abdominal pain, and vomiting. It is recommended that patients receiving
OsmoPrep be advised to adequately hydrate before, during, and after the use of OsmoPrep.
Consult with your physician to see if this product is right for you.
For complete Prescribing Information, please click here.
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