Trachoma Elimination Follow-up
TEF
Trachoma Elimination With Repeated Mass Azithromycin Treatments
1 other identifier
interventional
20,000
1 country
1
Brief Summary
The WHO has initiated a program to eliminate blinding trachoma by the year 2020, in large part by mass oral azithromycin distributions. It is not clear how frequently or for how long these treatments are necessary. Here we assess the frequency and duration of 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 Mar 2003
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
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 1, 2003
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2005
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2005
CompletedFirst Submitted
Initial submission to the registry
September 14, 2005
CompletedFirst Posted
Study publicly available on registry
September 22, 2005
CompletedJuly 15, 2015
July 1, 2015
2.1 years
September 14, 2005
July 13, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The prevalence of ocular chlamydia infection in a village as determined by PCR
Secondary Outcomes (1)
Clinical active trachoma, as determined by the WHO simplified grading system, by village
Interventions
Eligibility Criteria
You may qualify if:
- Age 1 to 5 years old in a village in the Gurage zone with endemic trachoma
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
ORBIS-Ethiopia
Addis Ababa, Ethiopia
Related Publications (18)
Melese M, Chidambaram JD, Alemayehu W, Lee DC, Yi EH, Cevallos V, Zhou Z, Donnellan C, Saidel M, Whitcher JP, Gaynor BD, Lietman TM. Feasibility of eliminating ocular Chlamydia trachomatis with repeat mass antibiotic treatments. JAMA. 2004 Aug 11;292(6):721-5. doi: 10.1001/jama.292.6.721.
PMID: 15304470BACKGROUNDChidambaram JD, Melese M, Alemayehu W, Yi E, Prabriputaloong T, Lee DC, Cevallos V, Zhou Z, Whitcher JP, Gaynor BD, Lietman TM. Mass antibiotic treatment and community protection in trachoma control programs. Clin Infect Dis. 2004 Nov 1;39(9):e95-7. doi: 10.1086/424747. Epub 2004 Oct 6.
PMID: 15494901BACKGROUNDRay KJ, Porco TC, Hong KC, Lee DC, Alemayehu W, Melese M, Lakew T, Yi E, House J, Chidambaram JD, Whitcher JP, Gaynor BD, Lietman TM. A rationale for continuing mass antibiotic distributions for trachoma. BMC Infect Dis. 2007 Aug 7;7:91. doi: 10.1186/1471-2334-7-91.
PMID: 17683646BACKGROUNDLee S, Alemayehu W, Melese M, Lakew T, Lee D, Yi E, Cevallos V, Donnellan C, Zhou Z, Chidambaram JD, Gaynor BD, Whitcher JP, Lietman TM. Chlamydia on children and flies after mass antibiotic treatment for trachoma. Am J Trop Med Hyg. 2007 Jan;76(1):129-31.
PMID: 17255240BACKGROUNDChidambaram JD, Alemayehu W, Melese M, Lakew T, Yi E, House J, Cevallos V, Zhou Z, Maxey K, Lee DC, Shapiro BL, Srinivasan M, Porco T, Whitcher JP, Gaynor BD, Lietman TM. Effect of a single mass antibiotic distribution on the prevalence of infectious trachoma. JAMA. 2006 Mar 8;295(10):1142-6. doi: 10.1001/jama.295.10.1142.
PMID: 16522834BACKGROUNDHaug S, Lakew T, Habtemariam G, Alemayehu W, Cevallos V, Zhou Z, House J, Ray K, Porco T, Rutar T, Keenan J, Lietman TM, Gaynor BD. The decline of pneumococcal resistance after cessation of mass antibiotic distributions for trachoma. Clin Infect Dis. 2010 Sep 1;51(5):571-4. doi: 10.1086/655697.
PMID: 20649409BACKGROUNDShah NA, House J, Lakew T, Alemayehu W, Halfpenny C, Hong KC, Keenan JD, Porco TC, Whitcher JP, Lietman TM, Gaynor BD. Travel and implications for the elimination of trachoma in ethiopia. Ophthalmic Epidemiol. 2010 Mar;17(2):113-7. doi: 10.3109/09286581003624921.
PMID: 20302432BACKGROUNDKeenan JD, Lakew T, Alemayehu W, Melese M, Porco TC, Yi E, House JI, Zhou Z, Ray KJ, Acharya NR, Whitcher JP, Gaynor BD, Lietman TM. Clinical activity and polymerase chain reaction evidence of chlamydial infection after repeated mass antibiotic treatments for trachoma. Am J Trop Med Hyg. 2010 Mar;82(3):482-7. doi: 10.4269/ajtmh.2010.09-0315.
PMID: 20207878BACKGROUNDBiebesheimer JB, House J, Hong KC, Lakew T, Alemayehu W, Zhou Z, Moncada J, Roger A, Keenan J, Gaynor BD, Schachter J, Lietman TM. Complete local elimination of infectious trachoma from severely affected communities after six biannual mass azithromycin distributions. Ophthalmology. 2009 Nov;116(11):2047-50. doi: 10.1016/j.ophtha.2009.04.041. Epub 2009 Sep 10.
PMID: 19744717BACKGROUNDLakew T, Alemayehu W, Melese M, Yi E, House JI, Hong KC, Zhou Z, Ray KJ, Porco TC, Gaynor BD, Lietman TM, Keenan JD. Importance of coverage and endemicity on the return of infectious trachoma after a single mass antibiotic distribution. PLoS Negl Trop Dis. 2009 Aug 25;3(8):e507. doi: 10.1371/journal.pntd.0000507.
PMID: 19707573BACKGROUNDLakew T, House J, Hong KC, Yi E, Alemayehu W, Melese M, Zhou Z, Ray K, Chin S, Romero E, Keenan J, Whitcher JP, Gaynor BD, Lietman TM. Reduction and return of infectious trachoma in severely affected communities in Ethiopia. PLoS Negl Trop Dis. 2009;3(2):e376. doi: 10.1371/journal.pntd.0000376. Epub 2009 Feb 3.
PMID: 19190781BACKGROUNDHong KC, Schachter J, Moncada J, Zhou Z, House J, Lietman TM. Lack of macrolide resistance in Chlamydia trachomatis after mass azithromycin distributions for trachoma. Emerg Infect Dis. 2009 Jul;15(7):1088-90. doi: 10.3201/eid1507.081563.
PMID: 19624926BACKGROUNDYang JL, Hong KC, Schachter J, Moncada J, Lekew T, House JI, Zhou Z, Neuwelt MD, Rutar T, Halfpenny C, Shah N, Whitcher JP, Lietman TM. Detection of Chlamydia trachomatis ocular infection in trachoma-endemic communities by rRNA amplification. Invest Ophthalmol Vis Sci. 2009 Jan;50(1):90-4. doi: 10.1167/iovs.08-2247. Epub 2008 Aug 8.
PMID: 18689701BACKGROUNDMelese M, Alemayehu W, Lakew T, Yi E, House J, Chidambaram JD, Zhou Z, Cevallos V, Ray K, Hong KC, Porco TC, Phan I, Zaidi A, Gaynor BD, Whitcher JP, Lietman TM. Comparison of annual and biannual mass antibiotic administration for elimination of infectious trachoma. JAMA. 2008 Feb 20;299(7):778-84. doi: 10.1001/jama.299.7.778.
PMID: 18285589BACKGROUNDGill DA, Lakew T, Alemayehu W, Melese M, Zhou Z, House JI, Hong KC, Ray KJ, Gandhi N, Whitcher JP, Gaynor BD, Lietman TM. Complete elimination is a difficult goal for trachoma programs in severely affected communities. Clin Infect Dis. 2008 Feb 15;46(4):564-6. doi: 10.1086/526777.
PMID: 18194094BACKGROUNDKeenan JD, Lakew T, Alemayehu W, Melese M, House JI, Acharya NR, Porco TC, Gaynor BD, Lietman TM. Slow resolution of clinically active trachoma following successful mass antibiotic treatments. Arch Ophthalmol. 2011 Apr;129(4):512-3. doi: 10.1001/archophthalmol.2011.46. No abstract available.
PMID: 21482879BACKGROUNDCevallos V, Whitcher JP, Melese M, Alemayehu W, Yi E, Chidambaram JD, Lee S, Reddy H, Gaynor BD, Lietman TM, Keenan JD. Association of conjunctival bacterial infection and female sex in cicatricial trachoma. Invest Ophthalmol Vis Sci. 2012 Aug 7;53(9):5208-12. doi: 10.1167/iovs.12-9984.
PMID: 22736616DERIVEDSee CW, Alemayehu W, Melese M, Zhou Z, Porco TC, Shiboski S, Gaynor BD, Eng J, Keenan JD, Lietman TM. How reliable are tests for trachoma?--a latent class approach. Invest Ophthalmol Vis Sci. 2011 Aug 3;52(9):6133-7. doi: 10.1167/iovs.11-7419.
PMID: 21685340DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Thomas M Lietman, MD
Proctor Foundation, UCSF
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 14, 2005
First Posted
September 22, 2005
Study Start
March 1, 2003
Primary Completion
April 1, 2005
Study Completion
April 1, 2005
Last Updated
July 15, 2015
Record last verified: 2015-07