A cluster-randomised study of the effect of albendazole treatment on the prevalence of childhood atopy among children with geohelminth infections

ISRCTN ISRCTN61195515
DOI https://doi.org/10.1186/ISRCTN61195515
Secondary identifying numbers 060120
Submission date
17/12/2005
Registration date
21/12/2005
Last edited
21/03/2013
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Infections and Infestations
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Philip Cooper
Scientific

Hospital Pedro Vicente Maldonado
Casilla 17-14-30
Carcelen
Quito
-
Ecuador

Phone +593 (0)2 2470181
Email pcooper@ecnet.ec

Study information

Study designCluster-randomised trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Scientific title
Study objectivesGeohelminth infections suppress atopy in children and this suppression is reversible by anthelmintic treatment.
Ethics approval(s)Approval received from:
1. St George's Hospital London (UK) 2002
2. Hospital Pedro Vicente Maldonado (Ecuador) 2002
Health condition(s) or problem(s) studiedGeohelminth infections
InterventionBimonthly albendazole (400 mg) for 12 months (total of seven treatments) versus no intervention.
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Specified
Drug / device / biological / vaccine name(s)Albendazole
Primary outcome measureAtopy (measured by allergen skin test reactivity)
Secondary outcome measures1. Allergic symptoms
2. Exercise-induced bronchospasm
3. Flexural dermatitis
Overall study start date15/06/2002
Completion date01/09/2004

Eligibility

Participant type(s)Patient
Age groupChild
Lower age limit8 Years
Upper age limit14 Years
SexBoth
Target number of participants68 schools; ~2,730 children
Key inclusion criteriaSchools:
1. Access during rainy season
2. Total size less than 150 children
3. Preliminary meetings attended by a majority of parents

Individuals:
1. Healthy children in second to seventh year of primary education (i.e. aged eight to 14 years)
2. Informed written consent by a parent
Key exclusion criteriaSchools:
1. Limited access during rainy season
2. Total size more than 150 children
3. Preliminary meetings attended by minority of parents

Individuals:
1. Children not in second to seventh year of primary education
2. No informed written consent by a parent
Date of first enrolment15/06/2002
Date of final enrolment01/09/2004

Locations

Countries of recruitment

  • Ecuador

Study participating centre

Hospital Pedro Vicente Maldonado
Quito
-
Ecuador

Sponsor information

St George's Hospital Medical School (UK)
Hospital/treatment centre

Cranmer Terrace
London
SW17 ORE
United Kingdom

Website http://www.sgul.ac.uk
ROR logo "ROR" https://ror.org/040f08y74

Funders

Funder type

Charity

The Wellcome Trust (UK) (grant ref: 060120)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article Results 13/05/2006 Yes No