NCT05500326

Ivermectin Therapy for Scabies Infection in Children Younger Than 5 Years of Age (ITCHY Study)

• Status: Active Not Recruiting
• Phase: Phase 2
• Study type: Interventional
• Enrollment: 120 (actual)
• Sponsor: Murdoch Childrens Research Institute · Academic / Other
• Sex: All
• Age: 3 Months – 5 Years
• Healthy volunteers: Not accepted

Summary

This is an open label prospective pharmacokinetic single arm study in Laos PDR. This study will be embedded within a cluster-randomized controlled trial of interventions to address childhood undernutrition (SUANHOAM Trial, ACTRN12620000520932) and involves a collaboration with the Murdoch Children's Research Institute, Burnet institute and Lao Tropical and Public Health Institute. ITCHY Study: The primary objective is to determine in young children aged 2 to \<5 years and weighing 10 to \<15 kg if an ivermectin dose of 3 mg achieves comparable drug exposures to the recommended dose in older children. It aims to provide reliable evidence for a safe and effective dose of ivermectin in young children who are especially vulnerable to scabies infections and the associated secondary complications. ITCHY2 Study: An embedded phase 2 multicentre, open label prospective pharmacokinetic study in Laos PDR of ITCHY Study. The primary objective is to determine the plasma ivermectin drug exposure in children aged 3 months to 2 years and weighing ≥2 kg receiving an age specific ivermectin dose.

Detailed description

ITCHY study: 100 children aged 2 to \<5years and weighing 10 to \<15 kg with clinically diagnosed scabies infection in the participating sites in Laos PDR will be approached for recruitment into the study if eligible (see eligibility criteria) and allocated into one of four blood sampling groups with 25 participants in each group. The 3mg dose of ivermectin will be administered orally and blood samples will be collected at two different time points accordingly to blood sampling groups allocation after the first 3mg dose of ivermectin. Clinical responses will be assessed on day 14. A second dose of ivermectin to complete the treatment will only be administered if the first dose has been tolerated by the participants. The 3mg ivermectin drug exposure, safety and effectiveness will be measured. ITCHY2 Study: 120 children aged 3 months to 2 years and weighing ≥2 kg with clinically diagnosed scabies infection in the participating sites in Laos PDR will be approached for recruitment into the study if eligible (see eligibility criteria) and allocated into one of four blood sampling groups with 30 participants in each group. An age specific dose of ivermectin will be administered orally and blood samples will be collected at two different time points accordingly to blood sampling groups allocation after the first dose of ivermectin. Age specific ivermectin dose: * 0.75mg of ivermectin will be given to participants aged 3 to 7 months * 1.5mg of ivermectin will be given to participants aged 8 to 12 months * 3mg of ivermectin will be given to participants aged 13 to 24 months Clinical responses of the participants will be assessed on day 14. A second age specific dose of ivermectin to complete the treatment will only be administered if the first dose has been tolerated by the participants. The ivermectin plasma drug exposure, safety and effectiveness will be measured.

Conditions

• Scabies; Itch
• Scabies

Interventions

Type	Name	Description
DRUG	Ivermectin Tablets	ITCHY Study: All participants will receive one dose of oral ivermectin 3mg on day 0 and have two blood samples taken to determine the serum ivermectin concentrations after the dose. Timing of blood samples will vary depending on the allocated group. ITCHY2 Study: Participants will receive one age-specific dose of oral ivermectin on day 0 and have two blood samples taken to determine the serum ivermectin concentrations after the dose. Timing of blood samples will vary depending on the allocated group. Age specific ivermectin dose: * 0.75mg of ivermectin will be given to participants aged 3 to 7 months * 1.5mg of ivermectin will be given to participants aged 8 to 12 months * 3mg of ivermectin will be given to participants aged 13 to 24 months

Timeline

• Start date: 2025-06-24
• Primary completion: 2026-06-01
• Completion: 2026-06-01
• First posted: 2022-08-15
• Last updated: 2026-03-23

Locations

5 sites across 1 country: Laos