CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 160 enrolled / 160 target
Drug / intervention
Primaquine +1 moredrug
Likely dose
Artesunate 2 mg/kgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04706130
NCT04706130Phase 4CompletedHigh Momentum (2.6/mo)Completion was 20mo ago

Rigorous Assessment of P. Vivax Relapses and Primaquine Efficacy for Radical Cure

University of Maryland, Baltimore·interventional·Posted Jan 12, 2021·Updated Jun 3, 2026

In Brief

A Phase 4 clinical trial evaluating Primaquine and Artesunate for Vivax Malaria. Completed, enrolled 160 participants across 1 site.

Signals

Enrolling ahead of pace

Detailed Summary

The study will be an open-labelled randomized clinical trial to determine therapeutic efficacy. Note that this will not be an Investigational New Drug application, as only World Health Organization (WHO)-approved drugs will be used at dosage and for conditions approved.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsVivax Malaria
CountriesCambodia

Timeline

Phase 4CompletedFinished
202120222023202420252026
First PostedJan 12, 2021
Enrollment StartApr 15, 2021
Primary CompletionOct 1, 2024
TodayJul 2, 2026
Enrollment to primary: 3.5 yearsPosted 5.5 years ago

Arms & Interventions

Arm1: No primaquineother

Enrolled patients will only received blood stage antimalarial (artesunate at 2 mg/kg per day every 24h for 7 days)

Drug: Artesunate
Arm2: Primaquine low doseother

Enrolled patients will received blood stage antimalarial (artesunate at 2 mg/kg per day every 24h for 7 days) and primaquine at 0.25 mg/kg/day for 14 days (starting at day 7)

Drug: PrimaquineDrug: Artesunate
Arm3: Primaquine high doseother

Enrolled patients will received blood stage antimalarial (artesunate at 2 mg/kg per day every 24h for 7 days) and primaquine at 0.50 mg/kg/day for 14 days (starting at day 7)

Drug: PrimaquineDrug: Artesunate

Interventions

Primaquinedrug

After treatment of the blood stage infection, enrolled participants will receive either no primaquine, a low dose of primaquine or a high dose of primaquine against liver parasites

Artesunatedrug

All enrolled participants will receive a 7-day treatment of artesunate ((2 mg/kg/day) to clear blood-stage parasites