Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine: boosting of antibody response in a population with prior natural exposure to malaria

J. A. Sherwood; C. N. Oster; M. Adoyo-Adoyo; J. C. Beier; G. S. Gachihi; P. M. Nyakundi; W. R. Ballou; A. D. Brandling-Bennett; I. K. Schwartz; J. B.O. Were; R. A. Wirtz; I. Schneider; C. R. Roberts; J. F. Young; M. Gross; J. D. Chulay

doi:10.1016/0035-9203(91)90281-3

Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine: boosting of antibody response in a population with prior natural exposure to malaria

J. A. Sherwood, C. N. Oster, M. Adoyo-Adoyo, J. C. Beier, G. S. Gachihi, P. M. Nyakundi, W. R. Ballou, A. D. Brandling-Bennett, I. K. Schwartz, J. B.O. Were, R. A. Wirtz, I. Schneider, C. R. Roberts, J. F. Young, M. Gross, J. D. Chulay

Research output: Contribution to journal › Article

14 Scopus citations

Abstract

Recombinant sporozoite vaccine or placebo were administered once to 25 volunteers from an area endemic for malaria. Antibody to R32tet32 rose in 9 of 15 receiving vaccine and remained elevated in 6 for 6 months. Mean absorbance increase was 0·43 ± 0·40 with vaccine, 0·01 ± 0·23 with placebo, and 0·72 ± 0·19 in responders. Six non-responders had significantly lower pre-immunization levels (0·07 ± 0·05) than responders (0·39 ± 0·25). There was an association between an increase in immunofluorescence (n = 4) and an increase in absorbence (n = 9) among vaccine recipients (n = 15). Vaccine-induced increase in antibody to natural circumsporozoite antigen was indicated by increases in immunofluorescence and by increases in circumsporozoite precipitation score in 2 of the 5 responders with highest antibody increase measured by enzyme-linked immunosorbent assay. Response to subunit sporozoite vaccine paralleled response to prior natural sporozoite exposure and was significant and prolonged in a population with prior natural exposure to malaria.

Original language	English (US)
Pages (from-to)	336-340
Number of pages	5
Journal	Transactions of the Royal Society of Tropical Medicine and Hygiene
Volume	85
Issue number	3
DOIs	https://doi.org/10.1016/0035-9203(91)90281-3
State	Published - Jan 1 1991
Externally published	Yes

ASJC Scopus subject areas

Parasitology
Public Health, Environmental and Occupational Health
Infectious Diseases

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Sherwood, J. A., Oster, C. N., Adoyo-Adoyo, M., Beier, J. C., Gachihi, G. S., Nyakundi, P. M., Ballou, W. R., Brandling-Bennett, A. D., Schwartz, I. K., Were, J. B. O., Wirtz, R. A., Schneider, I., Roberts, C. R., Young, J. F., Gross, M., & Chulay, J. D. (1991). Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine: boosting of antibody response in a population with prior natural exposure to malaria. Transactions of the Royal Society of Tropical Medicine and Hygiene, 85(3), 336-340. https://doi.org/10.1016/0035-9203(91)90281-3

Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine : boosting of antibody response in a population with prior natural exposure to malaria. / Sherwood, J. A.; Oster, C. N.; Adoyo-Adoyo, M.; Beier, J. C.; Gachihi, G. S.; Nyakundi, P. M.; Ballou, W. R.; Brandling-Bennett, A. D.; Schwartz, I. K.; Were, J. B.O.; Wirtz, R. A.; Schneider, I.; Roberts, C. R.; Young, J. F.; Gross, M.; Chulay, J. D.

In: Transactions of the Royal Society of Tropical Medicine and Hygiene, Vol. 85, No. 3, 01.01.1991, p. 336-340.

Research output: Contribution to journal › Article

Sherwood, JA, Oster, CN, Adoyo-Adoyo, M, Beier, JC, Gachihi, GS, Nyakundi, PM, Ballou, WR, Brandling-Bennett, AD, Schwartz, IK, Were, JBO, Wirtz, RA, Schneider, I, Roberts, CR, Young, JF, Gross, M & Chulay, JD 1991, 'Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine: boosting of antibody response in a population with prior natural exposure to malaria', Transactions of the Royal Society of Tropical Medicine and Hygiene, vol. 85, no. 3, pp. 336-340. https://doi.org/10.1016/0035-9203(91)90281-3

Sherwood JA, Oster CN, Adoyo-Adoyo M, Beier JC, Gachihi GS, Nyakundi PM et al. Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine: boosting of antibody response in a population with prior natural exposure to malaria. Transactions of the Royal Society of Tropical Medicine and Hygiene. 1991 Jan 1;85(3):336-340. https://doi.org/10.1016/0035-9203(91)90281-3

Sherwood, J. A. ; Oster, C. N. ; Adoyo-Adoyo, M. ; Beier, J. C. ; Gachihi, G. S. ; Nyakundi, P. M. ; Ballou, W. R. ; Brandling-Bennett, A. D. ; Schwartz, I. K. ; Were, J. B.O. ; Wirtz, R. A. ; Schneider, I. ; Roberts, C. R. ; Young, J. F. ; Gross, M. ; Chulay, J. D. / Safety and immunogenicity of a Plasmodium falciparum sporozoite vaccine : boosting of antibody response in a population with prior natural exposure to malaria. In: Transactions of the Royal Society of Tropical Medicine and Hygiene. 1991 ; Vol. 85, No. 3. pp. 336-340.

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abstract = "Recombinant sporozoite vaccine or placebo were administered once to 25 volunteers from an area endemic for malaria. Antibody to R32tet32 rose in 9 of 15 receiving vaccine and remained elevated in 6 for 6 months. Mean absorbance increase was 0·43 ± 0·40 with vaccine, 0·01 ± 0·23 with placebo, and 0·72 ± 0·19 in responders. Six non-responders had significantly lower pre-immunization levels (0·07 ± 0·05) than responders (0·39 ± 0·25). There was an association between an increase in immunofluorescence (n = 4) and an increase in absorbence (n = 9) among vaccine recipients (n = 15). Vaccine-induced increase in antibody to natural circumsporozoite antigen was indicated by increases in immunofluorescence and by increases in circumsporozoite precipitation score in 2 of the 5 responders with highest antibody increase measured by enzyme-linked immunosorbent assay. Response to subunit sporozoite vaccine paralleled response to prior natural sporozoite exposure and was significant and prolonged in a population with prior natural exposure to malaria.",

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