Effects of antifolates - Co-trimoxazole and pyrimethamine-sulfadoxine - On gametocytes in children with acute, symptomatic, uncomplicated, Plasmodium falciparum malaria

Memorias do Instituto Oswaldo Cruz

Volumn 100, Issue 4, 2005, Pages 451-455

  Sowunmi, A ^a   Fateye, B A ^a   Adedeji, A A ^a   Fehintola, F A ^a   Bamgboye, A E ^a   Babalola, C P ^b   Happi, T C ^a   Gbotosho, G O ^a  

^a UNIVERSITY OF IBADAN   (Nigeria)

^b UNIVERSITY OF IBADAN   (Nigeria)

Author keywords

Children; Co trimoxazole; Gametocytaemia; Malaria; Nigeria; Pyrimethamine sulfadoxine; Sex ratio

Indexed keywords

PLASMODIUM FALCIPARUM;

EID: 23944496597     PISSN: 00740276     EISSN: None     Source Type: Journal    
DOI: 10.1590/S0074-02762005000400019     Document Type: Article

References (27)

1. Anon 1994. Epi Info Version 6. A Word Processing Data Base and Statistics Program for Public Health on IBM-compatible Microcomputers, Centers for Disease Control and Prevention, Atlanta, GA.
2. Carter P, Miller LH 1979. Evidence for environmental modulation of gametocytogenesis in Plasmodium falciparum in continuous culture. Bull WHO 57 (Suppl. 1): 37-52.
3. Carter R, Graves PM 1988. Gametocytes. In WH Wernsdorfer, I McGregor (eds), Malaria. Principles and Practice of Malariology, Vol. 1, Churchill Livingstone, Edinburgh, p. 253-305.
4. Ezeilo GC 1971. Neutropenia in Africans. Trop Geogr Med 23: 264-267.
5. Fehintola FA, Adedeji AA, Tambo E, Fateye BB, Happi TC, Sowunmi A 2004. Cotrimoxazole in the treatment of acute uncomplicated falciparum malaria in Nigerian children: a controlled clinical trial. Clin Drug Invest 24: 149-155.
6. Fontes CJ, Ribeiro LC, Pang LW 2002. Proguanil plus sulfamethoxazole in the treatment of uncomplicated Plasmodium falciparum malaria. Southeast Asian J Trop Med Public Health 33: 685-688.
7. Gardner A, Reece SE, West SA 2003. Even more extreme fertility insurance and the sex ratios of protozoan blood parasites. J Theor Biol 223: 515-521.
8. Hogh B, Gamage-Mendis A, Butcher GA, Thompson R, Begtrup K, Mendis C, Enosse SM, Dgedge M, Barreto J, Eling W, Sinden RE 1998. The differing impact of chloroquine and pyrimethamine/sulfadoxine upon the infectivity of malaria species to the mosquito vector. Am J Trop Med Hyg 58: 176-182.
9. Kilian AHD, Jelinek T, Prislin I, Kabagambe W, Byamukama G, Mpipika R, Korte R, von Snnenburg F 1998. Resistance in vivo of Plasmodium falciparum to co-trimoxazole in Western Uganda. Trans R Soc Trop Med Hyg 92: 197-200.
10. Mons B 1985. Induction of sexual differentiation in malaria. Parasitol Today 1: 87-89.
11. Omar SA, Bakari A, Owiti A, Adagu IS, Warhurst DC 2001. Co-trimoxazole compared with sulfadoxine-pyrimethamine in the treatment of uncomplicated malaria in Kenyan children. Trans R Soc Trop Med Hyg 95: 657-660.
12. Pickering JA, Read AF, Guerrero S, West SA 2000. Sex ratio and virulence in two species of of lizard malaria parasites. Evol Ecol Res 2: 171-184.
13. Robert V, Awono-Ambene H.P, Le Hesran J-Y, Trape J-F 2000. Gametocytaemia and infectivity to mosquitoes of patients with uncomplicated Plasmodium falciparum malaria attacks treated with chloroquine or sulfadoxine plus pyrimethamine. Am J Trop Med Hyg 62: 210-216.
14. Robert V, Read AF, Essong J, Tchuinkam T, Mulder B, Verhave JP, Carnevale P 1996. Effect of gametocyte sex ratio on infectivity of Plasmodium falciparum to Anopheles gambiae. Trans R Soc Trop Med Hyg 90: 621-624.
15. Salako LA, Ajayi FO, Sowunmi A, Walker O 1990. Malaria in Nigeria: a revisit. Ann Trop Med Parasitol 84: 435-445.
16. Shaper AG, Lewis P 1971. Genetic neutropenia in people of African origin. Lancet ii: 1021-1023.
17. Sibley CH, Hyde JE, Sims PFG, Plowe CV, Kublin JG, Mberu EK, Cowman AF, Winstanley PA, Watkins WM, Alexis MN 2001. Pyrimethamine-sulphadoxine resistance in Plasmodium falciparum: what next? Trends Parasitol 17: 582-588.
18. Sowunmi A, Fateye BA 2003a. Plasmodium falciparum gametocytaemia in Nigerian children: before, during and after treatment with antimalarial drugs. Trop Med Inter Hlth 8: 783-792.
19. Sowunmi A, Fateye BA 2003b. Gametocyte sex ratios in children with asymptomatic, recrudescent, pyrimethamine-sulfadoxine-resistant, Plasmodium falciparum malaria. Ann Trop Med Parasitol 97: 671-682.
20. Sowunmi A, Akindele JA, Balogun MA 1995. Leukocyte counts in falciparum malaria in African children from an endemic area. Afr J Med Med Sci 24: 145-149.
21. SPSS 1999. SPSS for Windows Release 10.01 (Standard Version). SPSS Inc, Chicago, IL.
22. Tchuinkam T, Mulder B, Dechering K, Stoffels H, Verhave JP, Cot M, Carnevale P, Meuwissen JEHT, Robert V 1993. Experimental infection of Anopheles gambiae with Plasmodium falciparum of naturally infected gametocyte carriers in Cameroon: factors influencing the infectivity to mosquitoes. Trop Med Parasito 44: 271-276.
23. West SA, Reece SE, Read AF 2001. Evolution of sex ratios in malaria and related apicomplexan (protozoan parasites). Trends Parasitol 17: 525-531
24. West SA, Smith TG, Nee S, Read AF 2002. Fertility insurance and the sex ratios of malaria and related hemosporin blood parasites. J Parasitol 88: 258-263.
25. WHO-World Health Organization 1973. Chemotherapy of Malaria and Resistance to Antimalarials, Technical Report Series No. 529, Geneva.
26. WHO-World Health Organization 1996. Management of uncomplicated malaria and the use of antimalarial drugs for the protection of travellers. Report of an informal consultation. WHO/MAL?96.1075Rev.1 (1997).
27. WHO-World Health Organization 2000. Severe falciparum malaria. Trans R Soc Trop Med Hyg 94 (Suppl. 1).