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Anemia is still a main public health problem in sub-Saharan Africa. Anemic women have an increased maternal and perinatal mortality and anemic adults have diminished work capacity. In sub-Saharan Africa, the etiology of anemia is multifactoral; the major causes are low dietary bioavailability and chronic parasitic infections such as malaria. These causes are likely to interact because infection and infection-associated inflammation may impair the utilization and absorption of iron. Therefore, the control of parasite infections may be important to improve iron bioavailability from foods.
Malaria infections are endemic in northern Benin. To investigate the contribution of asymptomatic malaria (a positive blood smear for malarial parasites but without clinical symptoms of fever, headache or malaise) to anemia, we are planning a human iron absorption study in Benin. We will recruit adults with asymptomatic malaria infection. The iron absorption and utilization of the study subjects will be studied while infected, then they will be treated to clear their infections, and then iron absorption and utilization will be restudied. Iron absorption will be determined by incorporation of labeled iron into erythrocytes, 14 days after the administration of a test meal containing labeled iron (stable isotope technique). Subjects will be men and non-pregnant, non-breastfeeding women with a body weight < 65 kg and between the age of 18 - 30 years.
The results of this study will provide important information on the influence of malaria infections on iron absorption and utilization in humans. The study will provide insight into the potential necessity of malaria control to ensure iron bioavailability from foods in developing countries.
Control: Uncontrolled, Endpoint Classification: Bio-availability Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment
Antimalarial treatment, Observation
Hopital de zone de Natitingou
Swiss Federal Institute of Technology
Published on BioPortfolio: 2014-07-23T21:09:28-0400
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A species of protozoa that is the causal agent of falciparum malaria (MALARIA, FALCIPARUM). It is most prevalent in the tropics and subtropics.
Malaria caused by PLASMODIUM FALCIPARUM. This is the severest form of malaria and is associated with the highest levels of parasites in the blood. This disease is characterized by irregularly recurring febrile paroxysms that in extreme cases occur with acute cerebral, renal, or gastrointestinal manifestations.
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