Monday, September 10, 2007

Clinical Trial Predicts That Virtually 100% of Chronic Sinusitis Cases Are Due to a Fungal-Induced Inflammation

Results Identify a Market Potential of Over 60 Million Patients in the U.S. and EU for SinuNase

TAMPA, Fla., Sep 10, 2007 (BUSINESS WIRE) -- Accentia Biopharmaceuticals (NASDAQ: ABPI) announces evidence that most, if not all cases of chronic sinusitis (CS), are due to a fungal-induced inflammation as originally proposed by investigators at the Mayo Clinic. The data were collected as part of the Company's ongoing pivotal Phase 3 clinical trial for its lead pharmaceutical product, SinuNase(TM), an intranasal formulation of the antifungal amphotericin B 0.01% suspension. In order to be enrolled in the clinical trial, patients must have had well-documented CS based on a history of the requisite symptoms, nasal endoscopy findings, and CT scan demonstrating characteristic mucosal changes in the sinuses. At the time of enrollment, all patients have had nasal mucin collected. Subsequently, these specimens are being tested for eosinophilic major basic protein (eMBP). In the first fifty specimens now analyzed, all have been positive for eMBP, a toxic protein released by inflammatory cells in response to fungi. The Company believes that these findings strongly support a fungal-induced inflammation as the cause of CS.

SinuTest(TM), the diagnostic used to measure eMBP in the nasal mucin, is a patented technology developed at the Mayo Foundation for Medical Education and Research. The technology is exclusively licensed to IMMCO Diagnostics, which has an exclusive commercialization agreement with Accentia Biopharmaceuticals. The Company believes that SinuTest will be a useful adjunct for identification of patients who are suspected of having CS and who may be candidates for treatment with SinuNase, assuming FDA approval.

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