Mechanisms underlying failure of Proguanil as treatment for hyper-reactive malarial splenomegaly in Ghana.

Laboratory utilization in Medical Practice: An Epidemiological survey study in Sub-Saharan Africa 2006

Malaria in pregnancy: Genotype of Plasmodium falciparum in placenta and peripheral blood and influence of alpha-thalassaemia on clonal composition of infection. 2002, 2007 (Protocol amendment)

Influence of multiple Plasmodium falciparum infections, multi-species Plasmodium infections, human resistance factors and residual antimalarial drug levels on incidence and morbidity of clinical malaria during the first year of life.  2003,2007 (Protocol amendment)

A study of the systemic impact of anti-retroviral therapy scale-up in Kumasi, Ghana. 2005-2006

Time dependent changes in the prevalence of Plasmodium falciparum dhfr gene mutations in pregnant women in Agogo, Ghana.  2006-2008

Longitudinal study of patients with hyper-reactive malarial splenomegaly to look for evolution into lymphoma. 2002. On-going

Causes of massive tropical splenomegaly in Ghana. 1986.  On-going

Prospective descriptive outcome after one year on HAART at KATH and prospective longitudinal follow-up of a 250 patient cohort.  2006-2007