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2001 AUG 22 - (NewsRx.com & NewsRx.net) --
Bioject Medical Technologies, Inc. (BJCT) announced the results of a study investigating the delivery of the influenza vaccine with the Biojector 2000 needle-free injection system in elderly patients.
The study compared the immune response of influenza vaccine delivered by the standard route, needle and syringe, to that of influenza vaccine delivered by the Biojector 2000. Patients in both groups received intramuscular injections of 0.5 mL of vaccine. The results of the study confirmed equivalence between the two delivery routes. Also, the Biojector group exhibited encouraging trends toward improved immunogenicity for at least one of the three influenza strains that make up the trivalent vaccine, but these trends were not statistically significant.
Patient enrollment in the study was significantly lower than expected because of delays related to a worldwide shortage of vaccine. The study was conducted at the Mayo Clinic, in Rochester, Minnesota, by Dr. Gregory Poland, a member of the U.S. National Institutes of Health's (NIH) Advisory Committee on immunization practices. Complications related to influenza infection of seniors results in approximately 20,000 deaths each year in the United States.
"An improved delivery system for the influenza vaccine would be extremely valuable for elderly patients, for whom influenza is a significant risk," said Jim O'Shea, Bioject. "The results of this study are encouraging and we will continue to make vaccine delivery a high priority in our internal research and development initiatives. We look forward to forming a strategic partnership with a leading vaccine company interested in utilizing our technology to improve the comfort, patient ...
Source: HighBeam Research, Performance Of Flu Vaccine Needle-Free System Equal To...