Acute Uncomplicated Falciparum Malaria
Conditions
Keywords
plasmodium, P. falciparum, malaria, infant, neonate
Brief summary
The purpose of the study is to obtain efficacy, safety and pharmacokinetic (PK) data following treatment with artemether-lumefantrine dispersible tablet in infants \< 5 kg of body weight (BW) with uncomplicated falciparum malaria.
Interventions
One dispersible tablet taken orally twice a day during 3 days.
Sponsors
Study design
Eligibility
Inclusion criteria
* Neonates / infants * Body weight \< 5 kg * In cohort 1, infants aged \> 28 days; in cohort 2, neonates of a term age 0 to ≤ 28 days * Microscopically confirmed diagnosis of acute uncomplicated Plasmodium falciparum malaria or mixed infections with an asexual Plasmodium falciparum parasitaemia of \> 1,000 and \< 100,000 parasites/µL
Exclusion criteria
* Presence of severe malaria (according to World Health Organization definition) * Presence of the following signs of a critical condition: apnea-bradycardia, sustained bradycardia, tachycardia, desaturation, hypotension, hypothermia; or other severely deteriorated general condition (based on IMCI criteria in sick infants) * Presence of any clinically significant neurological condition * Presence of clinically significant abnormality of the hepatic and renal systems * Patients who sustained a significant blood volume loss (\> 3% of calculated blood volume) in the past 30 days * Patients unable to swallow or whose drinking is impaired * Family history of congenital prolongation of the QTc interval or sudden death or with any other clinical condition known to be associated with prolongation of the QTc interval such as history of symptomatic cardiac arrhythmias, with clinically relevant bradycardia or with severe cardiac disease * Disturbances of electrolyte balance (e.g. hypokalaemia or hypomagnesaemia) * Presence of any age-adjusted clinically or hematologically relevant laboratory and blood chemistry abnormalities * Other protocol-defined inclusion/
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Polymerase Chain Reaction (PCR) Corrected 28 Day Parasitological Cure Rate | 28 days | Number of participants with clearance of asexual parasites by day 7 after initiating study treatment without recrudescence at day 28, corrected for re-infection by Polymerase Chain Reaction (PCR) assay. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42 | Day 3, 7, 14, 28 and 42 | Number of patients with clearance of asexual parasites at day 3, 7, 14, 28 and 42 after initiating study treatment. |
| Percent Change of Parasite Count From Baseline at 24 Hours | baseline, 24 hours | Percent change of parasite count from baseline at 24 hours |
| Number of Participants With Parasitaemia at 48 Hours After Treatment Initiation Greater Than at Baseline | 48 hours | Number of participants with parasite density at 48 hours after treatment initiation greater than parasite density at baseline. |
| Polymerase Chain Reaction (PCR) Corrected Parasitological Cure Rate at Day 14 and 42 | Day 14 and 42 | Number of participants with clearance of asexual parasites by day 7 after initiating study treatment without recrudescence at day 14 and day 42, corrected for re-infection by Polymerase Chain Reaction (PCR) assay. |
| Time to Parasite Clearance (PCT) | Up to 7 days | Time from first dose until first total and continued disappearance of asexual parasite forms which remains at least a further 48 hours. |
| Time to Fever Clearance (FCT) | Up to 7 days | Time from first dose to the first time the axillary body temperature decreased below and remained below 37.5° C for at least 48 hours. |
| Time to Gametocyte Clearance (GCT) | Up to 7 days | Time from first dose until first total and continued disappearance of gametocytes which remains at least a further 48 hours. |
| Number of Participants With Parasitaemia at 72 Hours After Treatment Initiation Greater Than or Equal to 25 Percent of Count at Baseline | 72 hours | Number of participants with parasite density at 72 hours after treatment initiation greater than or equal to 25 percent of parasite density at baseline. |
Countries
Benin, Burkina Faso, Nigeria, Republic of the Congo, Togo
Participant flow
Recruitment details
The participant that did not complete in the 6 week follow-up phase was also included in Follow-up at 12 Months of Age and was lost to follow-up
Participants by arm
| Arm | Count |
|---|---|
| Cohort 1 One Artemether-lumefantrine (COA566) dispersible tablet taken orally twice a day during 3 days.
Infants age \>28 days. | 20 |
| Total | 20 |
Withdrawals & dropouts
| Period | Reason | FG000 |
|---|---|---|
| 6 Week Follow-up Phase | Adverse Event | 1 |
| Follow-up at 12 Months of Age | Death | 2 |
| Follow-up at 12 Months of Age | Lost to Follow-up | 1 |
Baseline characteristics
| Characteristic | Cohort 1 |
|---|---|
| Age, Continuous | 99.1 days STANDARD_DEVIATION 51.75 |
| Sex: Female, Male Female | 10 Participants |
| Sex: Female, Male Male | 10 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | — / — |
| other Total, other adverse events | 16 / 20 |
| serious Total, serious adverse events | 3 / 20 |
Outcome results
Polymerase Chain Reaction (PCR) Corrected 28 Day Parasitological Cure Rate
Number of participants with clearance of asexual parasites by day 7 after initiating study treatment without recrudescence at day 28, corrected for re-infection by Polymerase Chain Reaction (PCR) assay.
Time frame: 28 days
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Cohort 1 | Polymerase Chain Reaction (PCR) Corrected 28 Day Parasitological Cure Rate | 16 number of participants |
Number of Participants With Parasitaemia at 48 Hours After Treatment Initiation Greater Than at Baseline
Number of participants with parasite density at 48 hours after treatment initiation greater than parasite density at baseline.
Time frame: 48 hours
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Cohort 1 | Number of Participants With Parasitaemia at 48 Hours After Treatment Initiation Greater Than at Baseline | 0 participants |
Number of Participants With Parasitaemia at 72 Hours After Treatment Initiation Greater Than or Equal to 25 Percent of Count at Baseline
Number of participants with parasite density at 72 hours after treatment initiation greater than or equal to 25 percent of parasite density at baseline.
Time frame: 72 hours
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Cohort 1 | Number of Participants With Parasitaemia at 72 Hours After Treatment Initiation Greater Than or Equal to 25 Percent of Count at Baseline | 0 participants |
Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42
Number of patients with clearance of asexual parasites at day 3, 7, 14, 28 and 42 after initiating study treatment.
Time frame: Day 3, 7, 14, 28 and 42
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Cohort 1 | Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42 | Day 28 | 10 participants |
| Cohort 1 | Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42 | Day 3 | 20 participants |
| Cohort 1 | Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42 | Day 7 | 16 participants |
| Cohort 1 | Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42 | Day 14 | 16 participants |
| Cohort 1 | Number of Participants With Parasitological Uncorrected Cure Rate at Day 3, 7, 14, 28 and 42 | Day 42 | 7 participants |
Percent Change of Parasite Count From Baseline at 24 Hours
Percent change of parasite count from baseline at 24 hours
Time frame: baseline, 24 hours
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Percent Change of Parasite Count From Baseline at 24 Hours | -99.4 Percent Change | Standard Deviation 1.19 |
Polymerase Chain Reaction (PCR) Corrected Parasitological Cure Rate at Day 14 and 42
Number of participants with clearance of asexual parasites by day 7 after initiating study treatment without recrudescence at day 14 and day 42, corrected for re-infection by Polymerase Chain Reaction (PCR) assay.
Time frame: Day 14 and 42
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Cohort 1 | Polymerase Chain Reaction (PCR) Corrected Parasitological Cure Rate at Day 14 and 42 | Day 14 | 16 Number of participants |
| Cohort 1 | Polymerase Chain Reaction (PCR) Corrected Parasitological Cure Rate at Day 14 and 42 | Day 42 | 16 Number of participants |
Time to Fever Clearance (FCT)
Time from first dose to the first time the axillary body temperature decreased below and remained below 37.5° C for at least 48 hours.
Time frame: Up to 7 days
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Time to Fever Clearance (FCT) | 4.02 hours | Standard Deviation 6.433 |
Time to Gametocyte Clearance (GCT)
Time from first dose until first total and continued disappearance of gametocytes which remains at least a further 48 hours.
Time frame: Up to 7 days
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Time to Gametocyte Clearance (GCT) | 36.32 hours | Standard Deviation 77.294 |
Time to Parasite Clearance (PCT)
Time from first dose until first total and continued disappearance of asexual parasite forms which remains at least a further 48 hours.
Time frame: Up to 7 days
Population: Full analysis set (FAS) - all subjects receiving at least one dose of study drug and who are confirmed to have P. falciparum malaria at baseline.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Time to Parasite Clearance (PCT) | 29.1 hours | Standard Deviation 9.6 |