Ivermectin in the Treatment of Head Lice
A Randomised, Double-Blind, Multicentre Study to Compare the Efficacy and Tolerability of Oral Ivermectin to Malathion 0.5% Lotion in the Treatment of Head Lice Infestation
1 other identifier
interventional
812
4 countries
4
Brief Summary
The purpose of this study is to compare 2 single doses of ivermectin as tablets with 2 single applications of malathion 0.5% lotion (Days 1 and 8) in clearing head lice, in patients who have recently used standard head lice treatments without success.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Feb 2004
Shorter than P25 for phase_3
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2004
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2004
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2004
CompletedFirst Submitted
Initial submission to the registry
January 8, 2009
CompletedFirst Posted
Study publicly available on registry
January 9, 2009
CompletedAugust 22, 2011
August 1, 2011
7 months
January 8, 2009
August 19, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Absence or presence of live head lice
Study Day 15
Secondary Outcomes (2)
Absence or presence of live head lice at alternative Study Days.
Study Days 2, 8, 22, 29
Safety Assessments will consist of monitoring and recording all non-serious Adverse Events (AEs) and Serious Adverse Events (SAEs), their frequency, severity, seriousness, and relationship to the investigational product.
throughout duration of the study (+ 30 days for spontaneously reported SAEs)
Study Arms (2)
Ivermectin
EXPERIMENTALivermectin Stromectol®)
Malathion
ACTIVE COMPARATORmalathion(Prioderm®)
Interventions
Two single doses of oral ivermectin 400 mcg/kg (Days 1 and 8) plus 2 single applications of placebo lotion
Two single applications of malathion 0.5% lotion (Days 1 and 8) plus 2 single doses of placebo tablets
Eligibility Criteria
You may qualify if:
- Head lice infestation confirmed by detection combing by study staff
- previous (within 6 weeks) use of a topical insecticide product
- minimum 15kg weight
- providing informed consent
You may not qualify if:
- pregnant or nursing patients
- households with 7 or more infested patients
- households where there are other known infested household members not participating
- head lice treatment within 2 weeks of entry
- active scalp infection
- any difficulty with combing assessment
- patient from region endemic for certain parasitic worm diseases
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (4)
Hopital Avicenne
Bobigny, Paris, 93009, France
Shandon Clinic
Cork, Co. Cork, Ireland
Chaim Sheba Medical Centre
Tel Litwinsky, Tel Hashomer, 52621, Israel
Synexus Clinical Research Centre
Reading, Berks, RG2 7AG, United Kingdom
Related Publications (1)
Chosidow O, Giraudeau B, Cottrell J, Izri A, Hofmann R, Mann SG, Burgess I. Oral ivermectin versus malathion lotion for difficult-to-treat head lice. N Engl J Med. 2010 Mar 11;362(10):896-905. doi: 10.1056/NEJMoa0905471.
PMID: 20220184DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Jerry Cottrell
J&J Consumer and Personal Products Worldwide
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 8, 2009
First Posted
January 9, 2009
Study Start
February 1, 2004
Primary Completion
September 1, 2004
Study Completion
October 1, 2004
Last Updated
August 22, 2011
Record last verified: 2011-08