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Trial · NCT03143218

Seasonal Malaria Vaccination (RTS,S/AS01) and Seasonal Malaria Chemoprevention (SP/AQ)

NCT03143218, Phase 3, Completed, London School of Hygiene and Tropical Medicine; results first posted 2022-01-28

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Seasonal Malaria Vaccination (RTS,S/AS01) and Seasonal Malaria Chemoprevention (SP/AQ). Trials, record NCT03143218. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03143218

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Seasonal Malaria Vaccination (RTS,S/AS01) and Seasonal Malaria Chemoprevention (SP/AQ)
NCT number
NCT03143218
Status
Completed
Phases
Phase 3
Enrollment
5,920 participants, actual
Lead sponsor
London School of Hygiene and Tropical Medicine
Conditions
Malaria,Falciparum, Children, Only
Interventions
RABIPUR®, RTS,S/AS01, SMC with SP+AQ, SMC placebo
First posted
2017-05-08
Last updated
2022-04-07
Results first posted
2022-01-28

Source ClinicalTrials.gov

Registered outcomes12

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryIncidence of Clinical Episodes of MalariaPassive surveillance of clinical episodes of malaria within the study area starting from the date of the first dose of study vaccines (April/May 2017) until 31st March 2020- a total of 36 months.
Passive surveillance to detect episode of fever (temperature \> 37.5 C), or a history of fever within the past 48 hours, that is severe enough to require treatment at a health centre and which is accompanied by a positive blood film with a parasite density of 5,000 per µl or more
SecondaryClinical Episodes of Uncomplicated Febrile IllnessPassive surveillance in all health centers within the study area, active surveillance in a sub set of study children starting July 2017 till April 2020.
Passive and active surveillance to detect cases with temperature \> 37.5o C), or a history of fever within the past 48 hours, with a positive blood film (any level of asexual parasitaemia) or a positive rapid diagnostic test (RDT) for malaria
SecondaryHospital Admissions With Malaria, Including Severe Malaria
Through study completion (30 months), each child admitted in a study hospital will be treated and monitored until complete cure or death (a period of 3 years). Documentation of each hospital admission according to ICH-GCP.
Hospital admissions with malaria, including cases of severe malaria which meet WHO criteria for a diagnosis of severe malaria.
SecondaryPrevalence of Malaria Infection Not Severe Enough to Warrant a Clinic VisitWeekly home visits through study completion from July 2017 - April 2020 to screen study children for malaria.Active surveillance of malaria at household level to assess the prevalence of malaria infection not severe enough to warrant a clinic visit detected in a subset of randomly selected children.
SecondaryPrevalence of Malaria Parasitaemia, Including Gametocytaemia and the Prevalence of Moderate and Severe Anemia and MalnutritionBlood sample collection during 2-week cross sectional survey at the end of each malaria transmission season.The prevalence of malaria parasitaemia, including gametocytaemia, moderate and severe anaemia and malnutrition at the end of the malaria transmission season
SecondarySerious Adverse Events (SAEs)Through study completion (for 30 months), each SAE will be treated and documented according to ICH-GCP.Serious adverse events (SAEs), including any deaths, occurring at any time during the study with special reference to any cases of meningitis and cerebral malaria (WHO case definition)
SecondaryImmune Response to the Vaccine (Anti-CSP Antibody Concentrations)
Blood sample collection prior to 1st dose of vaccine and 1 month after 3rd dose of the primary series of vaccination. In years 2 and 3 blood will be collected before the booster dose and 1 month after administration of the 4th (and 5th) vaccine dose.
After priming and after each booster dose, determined in a sub-sample of children
SecondaryDrug Resistance to SP and AQBlood sample collection during the 2-week cross sectional survey conducted at the end of malaria transmission season in 2019.The presence of molecular markers of resistance to SP and AQ in parasite positive samples
SecondaryPrevalence of Malaria Parasitaemia in School Aged ChildrenBlood sample collection during the 2-week cross sectional survey at the end of the malaria transmission season in Year 2 and 3 (November 2018/19).The prevalence of malaria parasitaemia at the end of the malaria transmission season in school-age children resident in the study areas, to determine overall malaria transmission
SecondarySP+AQ Drug SensitivityChildren with asymptomatic malaria parasitaemia identified during the final cross-sectional survey (November 2019), treated with a full course of SP+AQ over 3 days and followed for 28 days.The 28-day treatment outcome in children with asymptomatic malaria parasitaemia treated with SP+AQ.

Outcomes12

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYIncidence of Clinical Episodes of MalariaPassive surveillance of clinical episodes of malaria within the study area starting from the date of the first dose of study vaccines (April/May 2017) until 31st March 2020- a total of 36 months.No. of events/1000 person years at riskNUMBER
SECONDARYClinical Episodes of Uncomplicated Febrile IllnessPassive surveillance in all health centers within the study area, active surveillance in a sub set of study children starting July 2017 till April 2020.
SECONDARYHospital Admissions With Malaria, Including Severe Malaria
Through study completion (30 months), each child admitted in a study hospital will be treated and monitored until complete cure or death (a period of 3 years). Documentation of each hospital admission according to ICH-GCP.
SECONDARYPrevalence of Malaria Infection Not Severe Enough to Warrant a Clinic VisitWeekly home visits through study completion from July 2017 - April 2020 to screen study children for malaria.
SECONDARYPrevalence of Malaria Parasitaemia, Including Gametocytaemia and the Prevalence of Moderate and Severe Anemia and MalnutritionBlood sample collection during 2-week cross sectional survey at the end of each malaria transmission season.
SECONDARYSerious Adverse Events (SAEs)Through study completion (for 30 months), each SAE will be treated and documented according to ICH-GCP.
SECONDARYImmune Response to the Vaccine (Anti-CSP Antibody Concentrations)
Blood sample collection prior to 1st dose of vaccine and 1 month after 3rd dose of the primary series of vaccination. In years 2 and 3 blood will be collected before the booster dose and 1 month after administration of the 4th (and 5th) vaccine dose.
SECONDARYDrug Resistance to SP and AQBlood sample collection during the 2-week cross sectional survey conducted at the end of malaria transmission season in 2019.
SECONDARYPrevalence of Malaria Parasitaemia in School Aged ChildrenBlood sample collection during the 2-week cross sectional survey at the end of the malaria transmission season in Year 2 and 3 (November 2018/19).
SECONDARYSP+AQ Drug SensitivityChildren with asymptomatic malaria parasitaemia identified during the final cross-sectional survey (November 2019), treated with a full course of SP+AQ over 3 days and followed for 28 days.

Results by group3

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Incidence of Clinical Episodes of MalariaSMC With SP+AQ304.895% Confidence Interval 290.5 to 319.8No. of events/1000 person years at risk
Incidence of Clinical Episodes of MalariaRTS,S/AS01278.295% Confidence Interval 264.6 to 292.4No. of events/1000 person years at risk
Incidence of Clinical Episodes of MalariaRTS,S/AS01 PLUS SMC With SP+AQ113.395% Confidence Interval 104.7 to 122.5No. of events/1000 person years at risk

Participant flow9

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDSMC With SP+AQ1,965
Overall StudySTARTEDRTS,S/AS011,988
Overall StudySTARTEDRTS,S/AS01 PLUS SMC With SP+AQ1,967
Overall StudyCOMPLETEDSMC With SP+AQ1,716
Overall StudyCOMPLETEDRTS,S/AS011,734
Overall StudyCOMPLETEDRTS,S/AS01 PLUS SMC With SP+AQ1,740
Overall StudyNOT COMPLETEDSMC With SP+AQ249
Overall StudyNOT COMPLETEDRTS,S/AS01254
Overall StudyNOT COMPLETEDRTS,S/AS01 PLUS SMC With SP+AQ227

Adverse events6

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
seriousNon-fatal SAEsGeneral disordersSMC With SP+AQ651,965
seriousNon-fatal SAEsGeneral disordersRTS,S/AS01671,988
seriousNon-fatal SAEsGeneral disordersRTS,S/AS01 PLUS SMC With SP+AQ561,967
seriousFatal SAEsGeneral disordersSMC With SP+AQ321,965
seriousFatal SAEsGeneral disordersRTS,S/AS01271,988
seriousFatal SAEsGeneral disordersRTS,S/AS01 PLUS SMC With SP+AQ151,967

Adverse event totals9

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalitySMC With SP+AQ321,965
Total, all-cause mortalityRTS,S/AS01271,988
Total, all-cause mortalityRTS,S/AS01 PLUS SMC With SP+AQ151,967
Total, other adverse eventsSMC With SP+AQ00
Total, other adverse eventsRTS,S/AS0100
Total, other adverse eventsRTS,S/AS01 PLUS SMC With SP+AQ00
Total, serious adverse eventsSMC With SP+AQ971,965
Total, serious adverse eventsRTS,S/AS01941,988
Total, serious adverse eventsRTS,S/AS01 PLUS SMC With SP+AQ711,967

Papers24

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
7611566BACKGROUNDPubMed
11172152BACKGROUNDPubMed
11747915BACKGROUNDPubMed
18337343BACKGROUNDPubMed
19806009BACKGROUNDPubMed
21304923BACKGROUNDPubMed
21304925BACKGROUNDPubMed
21340029BACKGROUNDPubMed
21816032BACKGROUNDPubMed
22673908BACKGROUNDPubMed

1 to 10 of 24

See all 24 papers

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT03143218

GET https://conductscience.org/api/trials/v1/NCT03143218/papers?page=2