Is there any evidence of antimalarial resistance to artemisinin derivatives in southern Laos?
- Conditions
- Plasmodium falciparum malaria, antimalarial drugsInfections and InfestationsPlasmodium falciparum malaria
- Registration Number
- ISRCTN12741594
- Lead Sponsor
- niversity of Oxford (UK)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 40
1. Male and female, aged greater than 10 years
2. Female patients between ages of 10 and 12 years old, provided they have not reached menarche, and those who have passed through the menopause
3. Mono-infection with P. falciparum as detected by microscopy
4. Parasitaemia of 10,000 - 175,000/µl asexual forms
5. Presence of axillary or tympanic temperature greater than or equal to 37.5°C or oral or rectal temperature of greater than or equal to 38°C or history of fever during the past 24 hours
6. Ability to swallow oral medication
7. Ability and willingness to comply with the study protocol for the duration of the study and to comply with the study visit schedule
8. Informed consent from the patient or from a parent or guardian in the case of children
1. Presence of general danger signs or severe falciparum malaria according to the definitions of the World Health Organization (WHO, 2000)
2. Mixed or mono-infection with another Plasmodium species detected by microscopy
3. Presence of severe malnutrition (defined as a child whose growth standard is below -3 z-score, has symmetrical oedema involving at least the feet or has a mid-upper arm circumference less than 110 mm)
4. Presence of febrile conditions due to diseases other than malaria or other known underlying chronic or severe diseases
5. Regular medication, which may interfere with antimalarial pharmacokinetics
6. Received antimalarial drugs in the previous 48 hours
7. History of hypersensitivity reactions or contraindications to any of the medicine(s) used
8. Female patients of child-bearing age, defined as those who menstruate or are aged over 12 years and have not reached the menopause
9. Breastfeeding
10. Splenectomy
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method umber of patients with PCT greater than 72 hours. If six or more patients per treatment group (n = 20) have PCTs greater than 72 hours the trial will be stopped.
- Secondary Outcome Measures
Name Time Method To assess the efficacy of artesunate 2 mg/kg/day and 4 mg/kg/day followed by 3-days artemether-lumefantrine in the treatment of uncomplicated P. falciparum malaria after 42-days follow up. Assessed on the basis of an assessment of the parasitological and clinical outcome of antimalarial treatment according to the latest WHO guidelines.