3-Day malaria cure could transform treatment
NCT ID NCT07468526
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a shorter, higher-dose course of primaquine to cure vivax malaria and prevent it from coming back. Current treatments take too long, so a 3-day course could make it easier for patients to complete therapy. The trial involves over 1,000 people aged 5 and older with normal G6PD enzyme levels. Researchers will check if the short course is safe and effective in stopping malaria relapse for up to 6 months.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 1,019 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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5 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * P. vivax peripheral parasitaemia as determined by microscopy * G6PD normal status (G6PD activity ≥70% of the site specific adjusted male median as determined by the Standard G6PD (SD Bioline, ROK)) * Fever (temperature ≥37.5°C) or history of fever in the preceding 48 hours, * Age ≥5 years * Bodyweight ≥14kg * Living in the study area and willing to be followed-up for six months Exclusion Criteria: * Signs or symptoms of severe malaria, * Anaemia (defined as Hb \<8g/dl) and measured by the Standard G6PD * Pregnant or lactating * Blood transfusion within the preceding four months * Regular or recent use (last month) of tafenoquine, primaquine or dapsone * Known hypersensitivity to any of the study drugs
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
5 sites in 4 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Aga Khan University, Karachi
Karachi, Thatta, Pakistan
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Arba Minch University
Arba Minch, Arba Minch, Ethiopia
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Jimma University
Jimma, Jimma, Ethiopia
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Papua New Guinea Institute of Medical Research
Port Moresby, Magang, Papua New Guinea
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Universitas Sumatera
Bandar Lampung, Lampung, Indonesia
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Other studies related to the condition(s) this trial covers.
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