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A Randomised Trial of Artesunate-sulfamethoxypyrazine/Pyrimethamine Versus Praziquantel for the Treatment of S. Mansoni

K

Kenya Medical Research Institute (KEMRI)

Status and phase

Completed
Phase 3

Conditions

Schistosoma Mansoni

Treatments

Drug: Artesunate+Sulfamethoxypyrazine/pyrimethamine
Drug: Praziquantel

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT01054651
DRD140 - S6.2008 (Other Identifier)
KEMRI SSC 1582

Details and patient eligibility

About

The purpose of this study is to determine the comparative efficacy of artesunate plus sulfamethoxypyrazine-pyrimethamine versus Praziquantel in the treatment of school children infected with S.mansoni in western Kenya.

Full description

Schistosomiasis remains an important parasitic disease in the tropics, including Kenya. In the absence of a vaccine, the major control strategy is the reduction of morbidity by chemotherapy using Praziquantel. Evidence from laboratory studies and field trials continue to show that schistosome worms have developed reduced susceptibility to Praziquantel. These observations indicate the need for research to monitor the trends in efficacy of praziquantel and the need for research to develop novel antischistosomal drugs. Randomized controlled trials have also shown that Artemisinin derivatives (artesunate, artemether) have antischistosomal activity against S. mansoni, S. haematobium and S. japonicum. We propose to conduct an open-label, randomized trial to evaluate the comparative efficacy of artesunate plus sulfamethoxypyrazine-pyrimethamine versus Praziquantel in the treatment of 212 school children infected with S.mansoni in Rarieda district in western Kenya. To do this we will screen about 1000 school children by examination of stool for schistosome eggs. Eligible children will be randomized to receive either artesunate plus sulfamethoxypyrazine-pyrimethamine over 3 days or a single dose of Praziquantel. Four weeks after treatment, the participants will be assessed for cure and egg reduction.Our study may provide vital information regarding an alternative treatment for S. mansoni infection in children.

Enrollment

212 patients

Sex

All

Ages

6 to 15 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Aged between 6 and 15 years old
  • Study participants appear healthy at enrollment, as assessed by the study clinician
  • Suffering from S. mansoni infection, excreting eggs in stool
  • Residing in Uyoma area, near Lake Victoria
  • Able to receive oral treatment
  • Parent/legal guardian gives informed written consent for the child to participate in the study
  • Child assent to participate in study

Exclusion criteria

  • Weighing more than 50 kg
  • Pregnant or lactating at the time of the study
  • Presence of infection with Plasmodium falciparum or other Plasmodium spp.
  • Presence of severe illness, such as cerebral cysticercosis
  • Signs of severe malnutrition (defined as children with weight/height ratio below 3 standard deviations or below 70% of the median of the WHO standardized reference values, or still with symmetrical oedema affecting both feet)
  • Hypersensitivity to As, sulfonamides or PZQ.
  • Use of another anti-malaria or anti-schistosomal drug during the study, or within 28 days before the administration of treatment.
  • Previous participation in this study.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

212 participants in 2 patient groups

Artesunate+Sulfamethoxypyrazine/pyrimethamine
Experimental group
Treatment:
Drug: Artesunate+Sulfamethoxypyrazine/pyrimethamine
Praziquantel
Active Comparator group
Treatment:
Drug: Praziquantel

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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