Efficacy of BLIS K12 as Preventive Measure for Rheumatic Children
Efficacy of Streptococcus Salivarius BLIS (Bacteriocin-like Inhibitory Substance) K12 as Preventive Measure for Rheumatic Children.
1 other identifier
interventional
30
0 countries
N/A
Brief Summary
The purpose of this study is to determine whether daily treatment with Streptococcus Salivarius BLIS K-12 prevents streptococcal throat infection in children that have had an episode of rheumatic fever.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
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
First Submitted
Initial submission to the registry
March 30, 2015
CompletedFirst Posted
Study publicly available on registry
April 2, 2015
CompletedStudy Start
First participant enrolled
September 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2016
CompletedApril 3, 2015
April 1, 2015
6 months
March 30, 2015
April 2, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
number of Strep throat infections while in study
six month
Study Arms (1)
BLIS K12 treatment
EXPERIMENTALOnce daily tablet of Streptococcus Salivarius BLIS K 12 to be slowly dissolved orally every evening for six month
Interventions
Once daily tablet of BLIS K 12 to be slowly dissolved orally every evening.
Eligibility Criteria
You may qualify if:
- Rheumatic heart disease with recommended strep prophylaxis
You may not qualify if:
- less than one year from first diagnosis
- refusal to take the tablets
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (12)
May G, Wilson MG, Lubschez R. Recurrence rates in rheumatic fever. JAMA. 1944, Vol. 126, 8, pp. 477-480.
BACKGROUNDSpagnuolo M, Pasternack B, Taranta A. Risk of rheumatic-fever recurrences after streptococcal infections. Prospective study of clinical and social factors. N Engl J Med. 1971 Sep 16;285(12):641-7. doi: 10.1056/NEJM197109162851201. No abstract available.
PMID: 4254612BACKGROUNDFEINSTEIN AR, WOOD HF, EPSTEIN JA, TARANTA A, SIMPSON R, TURSKY E. A controlled study of three methods of prophylaxis against streptococcal infection in a population of rheumatic children. II. Results of the first three years of the study, including methods for evaluating the maintenance of oral prophylaxis. N Engl J Med. 1959 Apr 2;260(14):697-702. doi: 10.1056/NEJM195904022601405. No abstract available.
PMID: 13644570BACKGROUNDLue HC, Wu MH, Hsieh KH, Lin GJ, Hsieh RP, Chiou JF. Rheumatic fever recurrences: controlled study of 3-week versus 4-week benzathine penicillin prevention programs. J Pediatr. 1986 Feb;108(2):299-304. doi: 10.1016/s0022-3476(86)81009-5.
PMID: 3511209BACKGROUNDJohn D.F. Hale, John R. Tagg, and Philip A. Wescombe. BLIS-producing probiotics targeting the oral cavity. Microbiology Australia. 2012, Vol. 33, 3, pp. 103-105.
BACKGROUNDBarretto C, Alvarez-Martin P, Foata F, Renault P, Berger B. Genome sequence of the lantibiotic bacteriocin producer Streptococcus salivarius strain K12. J Bacteriol. 2012 Nov;194(21):5959-60. doi: 10.1128/JB.01268-12.
PMID: 23045482BACKGROUNDJ. Tagg, P. Wescombe , J. Burton. Oral streptococcal BLIS: Heterogeneity of the effector molecules and potential role in the prevention of streptococcal infections. International Congress Series. 2006, Vol. 128, pp. 347-350.
BACKGROUNDWescombe PA, Upton M, Dierksen KP, Ragland NL, Sivabalan S, Wirawan RE, Inglis MA, Moore CJ, Walker GV, Chilcott CN, Jenkinson HF, Tagg JR. Production of the lantibiotic salivaricin A and its variants by oral streptococci and use of a specific induction assay to detect their presence in human saliva. Appl Environ Microbiol. 2006 Feb;72(2):1459-66. doi: 10.1128/AEM.72.2.1459-1466.2006.
PMID: 16461700BACKGROUNDDi Pierro F, Colombo M, Zanvit A, Risso P, Rottoli AS. Use of Streptococcus salivarius K12 in the prevention of streptococcal and viral pharyngotonsillitis in children. Drug Healthc Patient Saf. 2014 Feb 13;6:15-20. doi: 10.2147/DHPS.S59665. eCollection 2014.
PMID: 24600248BACKGROUNDBurton JP, Chilcott CN, Wescombe PA, Tagg JR. Extended Safety Data for the Oral Cavity Probiotic Streptococcus salivarius K12. Probiotics Antimicrob Proteins. 2010 Oct;2(3):135-44. doi: 10.1007/s12602-010-9045-4.
PMID: 26781236BACKGROUNDBurton JP, Cowley S, Simon RR, McKinney J, Wescombe PA, Tagg JR. Evaluation of safety and human tolerance of the oral probiotic Streptococcus salivarius K12: a randomized, placebo-controlled, double-blind study. Food Chem Toxicol. 2011 Sep;49(9):2356-64. doi: 10.1016/j.fct.2011.06.038. Epub 2011 Jun 21.
PMID: 21722694BACKGROUNDDi Pierro F, Donato G, Fomia F, Adami T, Careddu D, Cassandro C, Albera R. Preliminary pediatric clinical evaluation of the oral probiotic Streptococcus salivarius K12 in preventing recurrent pharyngitis and/or tonsillitis caused by Streptococcus pyogenes and recurrent acute otitis media. Int J Gen Med. 2012;5:991-7. doi: 10.2147/IJGM.S38859. Epub 2012 Nov 30.
PMID: 23233809BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Yael Garty, MD
Attending physician
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- MD
Study Record Dates
First Submitted
March 30, 2015
First Posted
April 2, 2015
Study Start
September 1, 2015
Primary Completion
March 1, 2016
Last Updated
April 3, 2015
Record last verified: 2015-04