Novel antibiotic provides rapid relief from symptoms of tonsillitis/pharyngitis, study shows

Ketek (telithromycin), a novel compound from a new family of antibiotics, administered once daily for five days to patients suffering from tonsillitis/pharyngitis, provided equivalent clinical and bacteriological outcomes as those observed in patients receiving a 10-day course of treatment with penicillin V, a new study shows.

The more rapid symptom relief achieved with Ketek, the first antibiotic from the ketolide family to be developed for clinical use, may suggest a potential for a faster return to usual activities, and fewer days lost from work or school, for people with tonsillitis/pharyngitis resulting from group A b-haemoliytic streptococcus (GABHS) bacteria. GABHS is the most common bacterial cause of tonsillitis/pharyngitis.

The study results, reported today at the 11th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) meeting in Istanbul, Turkey, were among several scientific presentations involving Ketek.

"This is an important study as it demonstrates the clinical and bacteriological effectiveness and symptom relief of Ketek in treating what is a very common upper respiratory tract infection," said Dr. Joanne Chang, Aventis Pharma.

The double-blinded study enrolled 396 patients between the ages of 15 and 65 with clinical signs and symptoms of acute tonsillopharyngitis, and who either had a positive streptococcal A antigen test or a positive throat culture for GABHS. These patients were randomized (198 patients to each group) to receive either 800 mg once daily Ketek followed by placebo for five days, or penicillin V 500 mg three-times daily for 10 days. Clinical and bacteriological outcomes were assessed at post-therapy (days 16-21) and late post-therapy (days 38-45).

At the post-therapy visit, bacteriological outcome was satisfactory in 79.7 percent and 79.3 percent of patients, and clinical cure was achieved in 85.9 percent and 85.8 percent of patients in the Ketek (198 patients) and penicillin V (197

Contact: Liz Rickard

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