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Assessing the Efficacy of Four Drug Combinations as the Next First-line Therapy for Uncomplicated Malaria in Malawi

Centers for Disease Control and Prevention (CDC) logo

Centers for Disease Control and Prevention (CDC)

Status and phase

Completed
Phase 4

Conditions

Malaria, Falciparum

Treatments

Drug: lumefantrine-artemether
Drug: amodiaquine plus sulfadoxine-pyrimethamine
Drug: chlorproguanil-dapsone plus artesunate
Drug: amodiaquine plus artesunate
Drug: sulfadoxine-pyrimethamine

Study type

Interventional

Funder types

Other
Other U.S. Federal agency

Identifiers

NCT00164710
CDC-NCID-4539
PA# 04018

Details and patient eligibility

About

Sulfadoxine-pyrimethamine (SP) is the current first-line treatment for uncomplicated malaria in Malawi. The malaria parasite P. falciparum has developed resistance to this drug so that the drug is much less effective than in previous years. This study was developed and conducted in collaboration with the National Malaria Control Programme of Malawi to assess the efficacy of four antimalarial drug combinations to provide evidence to assist the Malawian Ministry of Health in identifying and implementing as policy the next first-line antimalarial for uncomplicated malaria in Malawi. In an open, randomized trial in children under five years of age, four drug combinations, all of which are licensed in Malawi, are being assessed: amodiaquine plus sulfadoxine-pyrimethamine (AQ-SP), amodiaquine plus artesunate (AQ-Art), chlorproguanil-dapsone plus artesunate (CD-Art) and lumefantrine-artemether (LA). SP is also included as a fifth arm of the study for current data on its efficacy. Data on side effects of the drugs will also be collected. The results of this study will provide some of the information necessary to guide the Malawi National Malaria Control Program in selecting its next first antimalarial treatment for uncomplicated malaria. The study adheres to the World Health Organization's 2003 standardized protocol for assessing antimalarial drug efficacy.

Sex

All

Ages

6 to 59 months old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Children age 6 - 59 months
  • Axillary temperature ≥ 37.5 °C
  • Monoinfection with P. falciparum
  • Parasitaemia between 2000 - 200000 parasites/µl
  • Haemoglobin concentration (finger-prick blood sample by HemoCue) > 7g/dl
  • Consent by the patient's adult guardian
  • Residence in the locality and willingness to attend for scheduled visits

Exclusion criteria

  • altered consciousness
  • convulsions
  • prostration (inability to sit/stand/suck/drink)
  • respiratory distress or breathlessness
  • jaundice
  • abnormal breathing
  • haemoglobinuria
  • circulatory collapse
  • persistent vomiting (cannot keep down liquids)
  • evidence of a diagnosis other than malaria on physical examination
  • presence of mixed infection
  • presence of severe malnutrition (as evidenced by symmetrical oedema involving at least the feet, light hair color, or cachexia)
  • contraindications to the antimalarial drugs used, especially history of allergy
  • history of receiving a drug with antimalarial activity in the week prior to enrollment

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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