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Intermittent Preventive Treatment of Malaria in Schoolchildren

Information source: Gates Malaria Partnership
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Malaria; Intermittent Preventive Treatment

Intervention: sulfadoxine-pyrimethamine (Drug); amodiaquine + sulfadoxine-pyrimethamine (Drug); dihydroartemisinin-piperaquine (Drug); placebo (Drug)

Phase: Phase 3

Status: Completed

Sponsored by: Gates Malaria Partnership

Official(s) and/or principal investigator(s):
Sarah G Staedke, MD, Principal Investigator, Affiliation: London School of Hygiene and Tropical Medicine

Summary

This will be a randomized, single-blinded, placebo-controlled trial to evaluate the efficacy, safety and tolerability of antimalarial regimens in healthy schoolchildren. The primary objective of the study is to compare the efficacy of different combination antimalarial regimens, including amodiaquine + sulfadoxine-pyrimethamine (AQ+SP), dihydroartemisinin-piperaquine (DP), and placebo, to SP for intermittent preventive treatment (IPT) in schoolchildren, as measured by risk of parasitaemia (unadjusted by genotyping) after 42 days of follow-up. This will assess both the efficacy for treatment of asymptomatic infections and the efficacy for prevention of new infections.

Clinical Details

Official title: IPT in Schoolchildren: Comparison of the Efficacy, Safety, and Tolerability of Antimalarial Regimens in Uganda

Study design: Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Primary outcome: Risk of parasitaemia (unadjusted by genotyping)

Secondary outcome:

Risk of recrudescence (adjusted by genotyping) in children who were parasitaemic at enrollment

Risk of new infection (adjusted by genotyping) in all children

Risk of clinical failure due to recrudescence (adjusted by genotyping) in children who were parasitaemic at enrollment

Risk of parasitological failure due to recrudescence (adjusted by genotyping) in children who were parasitaemic at enrollment

Mean haemoglobin

Mean change in haemoglobin

Risk of serious adverse events

Risk of all adverse events

Acceptability of IPT regimens

Detailed description: The study will be carried out among children aged ≥ 8 to < 14 years (boys) and ≥ 8 to < 12 years (girls) attending primary schools in Tororo district. Schools will be selected using convenience sampling with the assistance of the district and the education sector. The target population includes children attending primary schools in Uganda. The accessible population includes the children attending the participating primary schools in classes 3-7 in Tororo district. Children who meet the selection criteria for participation in the study will be randomized to treatment with one of the four study regimens and will be followed for 42 days. Repeat evaluations will be performed on days 1, 2, 3, 7, 14, 28, and 42 (and any unscheduled day that a student is ill) and will include assessment for the occurrence of adverse events. Treatment efficacy outcomes will be assessed using revised WHO outcome classification criteria. Acceptability of treatment regimens will be assessed using a questionnaire administered to participating students on day 7. The primary outcome measure is risk of parasitaemia (unadjusted by genotyping) after 42 days of follow-up.

Eligibility

Minimum age: 8 Years. Maximum age: 13 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Age ≥ 8 to < 14 years (boys), ≥ 8 to < 12 years (girls)

- Student enrolled at participating school in classes 3-7

- Provision of informed consent from parent or guardian

- Provision of assent by student

Exclusion Criteria:

- Known allergy or history of adverse reaction to study medications

- Onset of menstruation (girls)

- Fever (≥ 37. 5°C axillary) or history of fever in the previous 24 hours

- Evidence of severe malaria or danger signs

- Haemoglobin < 7. 0 gm/dL

- Parasite density > 10,000/ul

Locations and Contacts

Additional Information

Starting date: February 2008
Last updated: February 26, 2009

Page last updated: August 20, 2015

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