Safety and Efficacy of Chloroquine and Primaquine for Vivax Malaria in Bhutan

• Status: Completed
• Trial end date: 2015-10-01
• Target enrollment: 0
• Participant gender: All

Summary

This research is intended to study the efficacy of chloroquine (CQ) and primaquine (PQ) for Plasmodium vivax (P.vivax) infection, and also to study the recurrence rate among patients with P.vivax malaria on standard doses of CQ and PQ. For this study, PQ will be withheld for 28 days so as to study the efficacy of CQ alone.

This study will assess whether CQ is still effective against P.vivax or whether there are resistant P.vivax strains in Bhutan.

• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Menzies School of Health Research
• Collaborator: Ministry of Health, Bhutan
• Treatments: Chloroquine; Chloroquine diphosphate; Primaquine

Criteria

Inclusion Criteria:

• >12 months of age

• infection with P.vivax parasitaemia monoinfection

• presence of axillary temperature >37.5 degrees or history of fever during the past 24 hours

• ability to swallow oral medication

• ability and willingness to comply with the study protocol for the duration of the study, including 12 months follow up

• informed consent from the patient/parent/guardian in the case of children

Exclusion Criteria:

• Presence of general danger signs in children aged under 5 years or signs of severe malaria according to the definitions of WHO

• 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 < 110 mm);

• History of haemolysis or severe anaemia

• Acute anaemia <7 mg/dL

• Presence of febrile conditions due to diseases other than malaria (e.g. measles, acute lower respiratory tract infection, severe diarrhoea with dehydration) or other known underlying chronic or severe diseases (e.g. cardiac, renal and hepatic diseases, HIV/AIDS);

• Regular medication, which may interfere with antimalarial pharmacokinetics

• History of hypersensitivity reactions or contraindications to any of the medicine(s) being tested or used as alternative treatment(s)

• a positive pregnancy test or lactating