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A correction has been published: N Engl J Med 1998;339(22):1637.

A correction has been published: N Engl J Med 1998;339(8):571.

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Volume 339:216-222 July 23, 1998 Number 4
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A Vaccine Consisting of Recombinant Borrelia burgdorferi Outer-Surface Protein A to Prevent Lyme Disease
Leonard H. Sigal, M.D., John M. Zahradnik, M.D., Philip Lavin, Ph.D., Sondra J. Patella, M.S.N., N.P.-C., Gary Bryant, M.D., Ray Haselby, D.O., Eileen Hilton, M.D., Mark Kunkel, M.D., Debra Adler-Klein, M.D., Terrence Doherty, M.D., Janine Evans, M.D., Stephen E. Malawista, M.D., Philip J. Molloy, M.D., Adam L. Seidner, M.D., M.P.H., James R. Sabetta, M.D., Henry J. Simon, M.D., Mark S. Klempner, M.D., John Mays, and Donald Marks, M.D.

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ABSTRACT

Background Lyme disease is a multisystem inflammatory disease caused by infection with the tick-borne spirochete Borrelia burgdorferi and is the most common vector-borne infection in the United States. We assessed the efficacy of a recombinant vaccine consisting of outer-surface protein A (OspA) without adjuvant in subjects at risk for Lyme disease.

Methods For this double-blind trial, 10,305 subjects 18 years of age or older were recruited at 14 sites in areas of the United States where Lyme disease was endemic; the subjects were randomly assigned to receive either placebo (5149 subjects) or 30 µg of OspA vaccine (5156 subjects). The first two injections were administered 1 month apart, and 7515 subjects also received a booster dose at 12 months. The subjects were observed for two seasons during which the risk of transmission of Lyme disease was high. The primary end point was the number of new clinically and serologically confirmed cases of Lyme disease.

Results The efficacy of the vaccine was 68 percent in the first year of the study in the entire population and 92 percent in the second year among the 3745 subjects who received the third injection. The vaccine was well tolerated. There was a higher incidence of mild, self-limited local and systemic reactions in the vaccine group, but only during the seven days after vaccination. There was no significant increase in the frequency of arthritis or neurologic events in vaccine recipients.

Conclusions In this study, OspA vaccine was safe and effective in the prevention of Lyme disease.


Source Information

From the Departments of Medicine, Pediatrics, and Molecular Genetics and Microbiology, University of Medicine and Dentistry of New Jersey–Robert Wood Johnson Medical School, New Brunswick (L.H.S., S.J.P.); Pasteur Mérieux Connaught, Swiftwater, Pa. (J.M.Z.); Boston Biostatistics, Boston (P.L.); Gundersen Medical Foundation, LaCrosse, Wis. (G.B.); the Marshfield Clinic, Marshfield, Wis. (R.H.); the Long Island Jewish Medical Center, New Hyde Park, N.Y., and Albert Einstein College of Medicine, New York (E.H.); Danbury Hospital, Danbury, Conn. (M.K.); Stamford Hospital, Stamford, Conn. (D.A.-K.); Southeastern Connecticut Medical Associates, Old Saybrook (T.D.); and the Yale University School of Medicine, New Haven, Conn. (J.E., S.E.M.).

Address reprint requests to Dr. Sigal at 1 Robert Wood Johnson Pl., MEB 484, New Brunswick, NJ 08903-0019.

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Related Letters:

Immunization against Lyme Disease
Hayes E. B., Dennis D. T., Luger S., Anderson J. R., Steere A. C., Parenti D. L., Krause D. S., Sigal L. H., Zahradnik J., Weinstein A.
Extract | Full Text  
N Engl J Med 1998; 339:1637-1639, Nov 26, 1998. Correspondence

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