Effect of Intensive Fly Control on Trachoma and Ocular Chlamydia Infection in Tanzania
Strategies for the Control of Blinding Trachoma: Effect of Fly Spray
1 other identifier
interventional
350
1 country
1
Brief Summary
The purpose of this community-based randomized trial was to determine, in trachoma hyper-endemic communities of Tanzania, the added value of intensive spraying to control flies on the fly population and on trachoma and ocular chlamydia infection at 6 months and one year after mass antibiotic treatment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jun 2000
Typical duration for phase_4
1 active site
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
June 1, 2000
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2002
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2002
CompletedFirst Submitted
Initial submission to the registry
June 29, 2006
CompletedFirst Posted
Study publicly available on registry
July 4, 2006
CompletedApril 15, 2013
May 1, 2004
2.3 years
June 29, 2006
April 12, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
clinical trachoma
clinical grading of conjunctival photographs for follicular trachoma
1 year
Secondary Outcomes (1)
ocular C. trachomatis infection
6 months
Study Arms (2)
control
NO INTERVENTIONno active fly spray intervention
intervention
ACTIVE COMPARATORaerial spray of permethrin daily for two weeks and weekly as needed by assessment of fly density
Interventions
Eligibility Criteria
You may qualify if:
- Balozi in Chiwe area
- Sentinel children: age less than 8 years
You may not qualify if:
- Balozi in Chiwe without geographic borders
- Sentinel children:age more than 8 years
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Johns Hopkins Universitylead
- Wellcome Trustcollaborator
Study Sites (1)
Johns Hopkins University/ Kongwa Trachoma Project
Baltimore, Maryland, 21205, United States
Related Publications (1)
West SK, Emerson PM, Mkocha H, McHiwa W, Munoz B, Bailey R, Mabey D. Intensive insecticide spraying for fly control after mass antibiotic treatment for trachoma in a hyperendemic setting: a randomised trial. Lancet. 2006 Aug 12;368(9535):596-600. doi: 10.1016/S0140-6736(06)69203-9.
PMID: 16905024RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Sheila West
Johns Hopkins University
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
June 29, 2006
First Posted
July 4, 2006
Study Start
June 1, 2000
Primary Completion
September 1, 2002
Study Completion
October 1, 2002
Last Updated
April 15, 2013
Record last verified: 2004-05