NCT00819520

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

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
812

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Feb 2004

Shorter than P25 for phase_3

Geographic Reach
4 countries

4 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2004

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2004

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2004

Completed
4.3 years until next milestone

First Submitted

Initial submission to the registry

January 8, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 9, 2009

Completed
Last Updated

August 22, 2011

Status Verified

August 1, 2011

Enrollment Period

7 months

First QC Date

January 8, 2009

Last Update Submit

August 19, 2011

Conditions

Keywords

pediculosis capitispediculus

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

EXPERIMENTAL

ivermectin Stromectol®)

Drug: ivermectin

Malathion

ACTIVE COMPARATOR

malathion(Prioderm®)

Drug: malathion

Interventions

Two single doses of oral ivermectin 400 mcg/kg (Days 1 and 8) plus 2 single applications of placebo lotion

Also known as: Stromectol®
Ivermectin

Two single applications of malathion 0.5% lotion (Days 1 and 8) plus 2 single doses of placebo tablets

Also known as: Prioderm®
Malathion

Eligibility Criteria

Age2 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

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

Location

Shandon Clinic

Cork, Co. Cork, Ireland

Location

Chaim Sheba Medical Centre

Tel Litwinsky, Tel Hashomer, 52621, Israel

Location

Synexus Clinical Research Centre

Reading, Berks, RG2 7AG, United Kingdom

Location

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.

MeSH Terms

Conditions

Lice Infestations

Interventions

IvermectinMalathion

Condition Hierarchy (Ancestors)

Ectoparasitic InfestationsSkin Diseases, ParasiticParasitic DiseasesInfectionsSkin Diseases, InfectiousSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

MacrolidesPolyketidesLactonesOrganic ChemicalsOrganothiophosphatesOrganophosphatesOrganophosphorus CompoundsOrganothiophosphorus CompoundsSulfur Compounds

Study Officials

  • Jerry Cottrell

    J&J Consumer and Personal Products Worldwide

    STUDY DIRECTOR

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

Locations