This clinical study is a phase 4, single-site, open-label pharmacokinetic (PK) study of IV artesunate in up to 100 Ugandan children 6 months-14 years of age who are diagnosed with severe malaria according to standardized World Health Organization (WHO) criteria (any P. falciparum parasitemia and the presence of danger signs). Participants will receive the standard of care IV artesunate for initial treatment of severe malaria per WHO guidelines: children weighing \<20 kg should receive 3.0 mg/kg/dose compared to children weighing =20 kg who should receive 2.4 mg/kg/dose, at times 0, 12, 24, 48 and 72 hours (WHO 2015). Parenteral treatment will be administered for a minimum of 24 hours (irrespective of the patient's ability to tolerate oral medication earlier), after which patients will be evaluated clinically and assessed for ability for oral intake of antimalarials. Children who are able to transition to oral antimalarial therapy will initiate a 3-day course of artemisinin-combination oral therapy per national guidelines. The primary objective of the study is to determine the relationship between DHA exposures following IV artesunate dosing and markers of physiologic dysfunction associated with severe malaria in Ugandan children.
Age range
6 Months – 14 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Maximum Concentration (Cmax) of Dihydroartemisinin (DHA)
Timeframe: Day 1(Sampling windows were defined as 0 (pre-dose), 0-1 hour, 1 - 2.5, 2.5-4, 4-6 and 6-24 hours post first on-study dose of IV artesunate)
Area Under the Curve Over 0-12 Hours (AUC0-12) of DHA
Timeframe: Day 1(Sampling windows were defined as 0 (pre-dose), 0-1 hour, 1 - 2.5, 2.5-4, 4-6 and 6-24 hours post first on-study dose of IV artesunate)
Half-life (t1/2) of DHA
Timeframe: Day 1 (Sampling windows were defined as 0 (pre-dose), 0-1 hour, 1 - 2.5, 2.5-4, 4-6 and 6-24 hours post first on-study dose of IV artesunate)
Time to Cmax (Tmax) of DHA
Timeframe: Day 1(Sampling windows were defined as 0 (pre-dose), 0-1 hour, 1 - 2.5, 2.5-4, 4-6 and 6-24 hours post first on-study dose of IV artesunate)
Change From Baseline in Temperature in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Temperature in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline Systolic Blood Pressure (BP) in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline Systolic BP in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline Diastolic BP in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline Diastolic BP in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From in Venous Serum Lactate in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From in Venous Serum Lactate in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Serum Bicarbonate in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Serum Bicarbonate in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Serum Glucose in the Primary Analysis Population
Timeframe: 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Serum Glucose in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Total Bilirubin in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Total Bilirubin in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Direct Bilirubin in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Direct Bilirubin in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Hemoglobin in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Hemoglobin in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Creatinine in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
Change From Baseline in Creatinine in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA AUC0-12 Summary Statistics for Participants With Blantyre Coma Score (BCS) of 1 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA AUC0-12 Summary Statistics for Participants With BCS of 4 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA AUC0-12 Summary Statistics for Participants With BCS of 5 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA AUC0-12 Summary Statistics for Participants With BCS of 4 in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA AUC0-12 Summary Statistics for Participants With BCS of 5 in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA Cmax Summary Statistics for Participants With BCS of 1 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA Cmax Summary Statistics for Participants With BCS of 4 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA Cmax Summary Statistics for Participants With BCS of 5 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA Cmax Summary Statistics for Participants With BCS of 4 in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA Cmax Summary Statistics for Participants With BCS of 5 in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA t1/2 Summary Statistics for Participants With BCS of 1 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA t1/2 Summary Statistics for Participants With BCS of 4 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA t1/2 Summary Statistics for Participants With BCS of 5 in the Primary Analysis Population
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA t1/2 Summary Statistics for Participants With BCS of 4 in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)
DHA t1/2 Summary Statistics for Participants With BCS of 5 in the Subset Who Did Not Receive Any IV Artesunate or Other Artemisinin-based Therapy Before Enrollment
Timeframe: Baseline, 24 hours post-first IV Artesunate dose, 48 hours post-first IV Artesunate dose, Time of completion of planned IV Artesunate dosing (72 hours post-first IV Artesunate dose), and Time of first hospital discharge (up to day 9)