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Intermittent Preventive Treatment for Malaria in Patient With Sickle Cell Disease

Malaria Clinical Trial

Official title:
Safety and Tolerability of Bi-monthly Intermittent Preventive Treatment With Mefloquine-Artesunate or Sulfadoxine-Pyrimethamine Plus Amodiaquine for Prevention of Malaria and Related Complications in Patients With Sickle Cell Anaemia.

Clinical Trial Summary

Malaria prophylaxis is recommended for sickle cell disease patients. In Nigeria, daily proguanil or weekly pyrimethamine are the most commonly prescribed regimens, but the current policy is not effective due to poor compliance and drug resistance. Intermittent treatment with a long acting drug regimen administered under supervision at clinic visits may be more effective. The aim of this trial is to compare the tolerability and acceptability of supervised bimonthly treatment with either sulfadoxine-pyrimethamine plus amodiaquine (SP+AQ) or mefloquine plus artesunate (MQ+AS), with the daily proguanil. Two hundred and seventy patients with sickle cell disease attending the paediatric sickle cell disease clinic in Ilorin hospital who meet the eligibility criteria and have parental consent, will be randomized to one of three prophylactic regimens: daily proguanil, bimonthly sulfadoxine-pyrimethamine plus amodiaquine, or bimonthly mefloquine plus artesunate. Patients will be asked to return to clinic every two months and whenever they are sick. At enrollment, the study paediatrician will conduct a physical examination of the child, and collect a venous blood sample for a complete blood cell count and biochemical screen, determination of G6PD genotype, preparation of blood smears for malaria microscopy and a blood spot for determination of molecular markers of resistance. Four days after each clinic visit, patients will be interviewed (by phone and, for a subset, at home or in the clinic) to ask about compliance and adverse events. Participants will be followed for one year. The parents or carer will be encouraged to bring their child to the Outpatient Department clinic if the child becomes unwell. The primary outcome of the trial is tolerability, secondary outcomes are adherence to the regimen, and incidence of malaria and the number of hospitalizations over 12 months. If the bimonthly regimens are well tolerated and the preliminary data from this study are promising, a larger multicentre trial will be required to determine efficacy.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01319448
Study type Interventional
Source London School of Hygiene and Tropical Medicine
Contact
Status Completed
Phase Phase 1/Phase 2
Start date September 2011
Completion date April 2013
View Details
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