Malaria Clinical Trial
— ARIMTIAOfficial title:
A Multicenter, Prospective, Observational Study to Assess the Efficacy of Artesunate in Malaria Treated With Parenteral Artesunate in Areas With Artemisinin Resistance A Study by the Tracking Resistance to Artemisinin Collaboration (TRAC)
NCT number | NCT02640495 |
Other study ID # | BAKMAL1504 |
Secondary ID | |
Status | Withdrawn |
Phase | |
First received | |
Last updated | |
Start date | October 2015 |
Est. completion date | December 2017 |
Verified date | August 2018 |
Source | University of Oxford |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The spread of artemisinin resistant falciparum malaria presents new challenges to both the
control and treatment of malaria. Loss of ring stage susceptibility to the artemisinins might
jeopardize the use of parenteral artesunate as the first line drug for the treatment of
severe falciparum malaria.
The purpose of this study is to assess the effect of artemisinin resistance (defined by a
Kelch13 mutation with known functional significance) in P. falciparum malaria requiring
parenteral artesunate treatment on lactate clearance parameters.
Status | Withdrawn |
Enrollment | 0 |
Est. completion date | December 2017 |
Est. primary completion date | December 2017 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 6 Months and older |
Eligibility |
Inclusion Criteria: - Male or female, aged over 6 months old - Acute severe P. falciparum malaria or another indication to treat with IV artesunate. Defined as one or more of the following, occurring in the absence of an identified alternative cause, and in the presence of P. falciparum asexual parasitaemia: - Prostration OR obtundation - BCS<3 (preverbal children) or GCS<11 (adults) - Convulsion in last 24 hours - Suspected acidosis, manifesting as acidotic breathing - Respiratory distress manifesting clinically (nasal flaring/indrawing) or oxygen saturation <92% or respiratory rate >30/min - History of anuria - Jaundice and/or hemoglobinuria - Hemoglobin <7 g/dl or hematocrit <20% - Significant bleeding including recurrent or prolonged bleeding from nose gums or venipuncture sites; hematemesis or melena - Shock defined as systolic blood pressure <70 mm Hg (children) OR <80 mm Hg (adults) - P. falciparum parasitaemia >10% - Indication for parenteral antimalarial treatment (as assessed by clinician) other than nausea and vomiting. These may include laboratory findings such as: - Creatinine >2.5 mg/dL (>220uM/L) or blood urea >56mg/dL (>20 mM/L) - Glucose <4.0 mmol/L (<72mg/dL) - Bilirubin > 3 mg/dL (>50uM/L) - Hemoglobin <7g/dL or Hematocrit <20% - P. falciparum parasitaemia >4% - Venous plasma lactate >5 mM, Base deficit of >8meq/L or bicarbonate <15mM - Written informed consent or consent by locally accepted representative in the case of patients rendered incapable of providing consent due to illness Exclusion Criteria: - History of 2 or more doses of parenteral antimalarial treatment in the previous 24 hours - History of allergy or known contraindication to artemisinins |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
University of Oxford | Mahidol Oxford Tropical Medicine Research Unit, Oxford University Clinical Research Unit, Vietnam |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Absolute reduction of lactate | Absolute reduction of lactate at 12 hours after the first artesunate treat-ment compared to baseline. | 12 hours | |
Secondary | Time needed until a plasma lactate concentration <2 mmol/L | 42 days | ||
Secondary | Change in Glasgow Coma Score (GCS) or Blantyre Coma Score (BCS) | at 12 hours after initial treatment and coma recovery time defined as GCS>10 or BCS>3 and GCS=15 and BCS=5 | 12 hours | |
Secondary | Base excess clearance after 12 hours | Base excess clearance after 12 hours as proportion of the base excess at presentation | 42 days | |
Secondary | Time until a base excess concentration = minus 2 mmol/L | 42 days | ||
Secondary | Time to resuming the ability to sit, eat, drink, stand unsupported and walk | 42 days | ||
Secondary | The parasite clearance half-life | 48 hours | ||
Secondary | The parasite clearance ratios at H28 and H48 compared to parasite count on admission | 48 hours | ||
Secondary | The parasite clearance time for parasite count to fall to 50%, 90% and 99% of initial parasite density | 7 days | ||
Secondary | Differences in transcriptome patterns between artemisinin resistant parasites and artemisinin sensitive parasites at baseline | H0 | ||
Secondary | Differences in transcriptome patterns between artemisinin resistant parasites and artemisinin sensitive parasites at H6 | H6 | ||
Secondary | Differences in transcriptome patterns between artemisinin resistant parasites and artemisinin sensitive parasites at H12 | H12 | ||
Secondary | Differences in transcriptome patterns between artemisinin resistant parasites and artemisinin sensitive parasites at H48 | H48 | ||
Secondary | Time until resolution of fever | (time until tympanic temperature first <37.5 Celsius and below 37.5C for 24 h) | 14 days | |
Secondary | Proportion of patients developing new malaria | Proportion of patients developing new malaria severity signs as defined in the 2014 WHO severe malaria guidelines | 42 days | |
Secondary | Proportion of patients developing new neurological signs assessed by neurological examination during hospitalization | 42 days | ||
Secondary | Prevalence of neurological sequelae assessed by neurological examination at discharge | 42 days | ||
Secondary | Prevalence of neurological sequelae assessed by neurological examination at day 7 | 7 days | ||
Secondary | Prevalence of neurological sequelae assessed by neurologicalexamination at day 14 | 14 days | ||
Secondary | Prevalence of neurological sequelae assessed by neurological examination at day 28 if day 14 is abnormal | 28 days | ||
Secondary | Prevalence of neurological sequelae assessed by neurological examination at day 42 if day 28 is abnormal | 42 days | ||
Secondary | Severity of neurological sequelae assessed by neurological examination at discharge | 42 days | ||
Secondary | Severity of neurological sequelae assessed by neurological examination at day 7 | 7 days | ||
Secondary | Severity of neurological sequelae assessed by neurological examination at day 14 | 14 days | ||
Secondary | Severity of neurological sequelae assessed by neurological examination at day 28 if day 14 is abnormal | 28 days | ||
Secondary | Severity of neurological sequelae assessed by neurological examination at day 42 if day 28 is abnormal | 42 days | ||
Secondary | Proportion treated with quinine | as a rescue treatment, antibiotics, blood products, anticonvulsants, renal replacement therapy, mechanical ventilation therapy, vasopressive drugs and oxygen therapy | 42 days | |
Secondary | In hospital mortality | 42 days | ||
Secondary | Day 7, 14 hemoglobin or hematocrit levels | and in addition at day 28 and 42 if abnormal at day 14 or day 28 respectively | 42 days | |
Secondary | Creatinine levels daily | during the first four days and thereafter on day 7 and 14 and in addition on day 28 and 42 if abnormal on day 14 or day 28 respectively | 42 days | |
Secondary | Bilirubin, Alanine transaminase (ALT), aspartate aminotransferase (AST) and alkaline phosphatase levels daily | during the first four days and thereafter on day 7, 14 and in addition on day 28 and 42 if abnormal on day 14 or 28 respectively | 42 days | |
Secondary | Plasma biomarkers of severe (artemisinin resistant) malaria | 42 days | ||
Secondary | outcome of pregnancy during hospitalization | If pregnant | 42 days | |
Secondary | Time until discharge | 42 days |
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