NCT00715234|Completed
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Sponsor study identifier
Secondary identifiers
NIH
interventional
4,807
0 countries
N/A
Study Start
October 2007
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
December 2009
Actual (reported)Study Completion
September 2010
Actual (reported)A study team with extensive experience in immunization delivery research will evaluate the effectiveness of vaccination reminder/recall systems for adolescent patients in five types of clinical settings including: urban pediatric, urban family medicine and rural family medicine practices, public pediatric clinics, and school-based health centers. Randomized controlled trials of reminder/recall for adolescents will be conducted at each type of site, with randomization at the level of the patient.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
September 2010
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 2007
Date type not reportedThis date has not been verified as actual or estimated.
July 10, 2008
Actual (reported)July 15, 2008
Actual (reported)December 2009
Actual (reported)September 2010
Actual (reported)1) the percentage receiving any vaccine after the baseline time point
6 months after intervention
The percentage of adolescents becoming up-to-date on all needed immunizations
6 months post intervention
This group will receive up to 4 recall messages (both letters and computer-generated phone messages) reminding them to get their vaccines. There are 4 separate study groups: 1) private pediatric patients 2) public pediatric patients 3) school-based health center patients and 4) family medicine patients.
This group will receive usual care. There are 4 separate study groups: 1) private pediatric patients 2) public pediatric patients 3) school-based health center patients and 4) family medicine patients.
1. Receive a generic letter reminding them to make an appointment to get vaccines. 2. Receive a computer-generated telephone message at 1 week post initial letter. 3. Receive a computer-generated telephone message at 2 months post initial letter. 4. Receive a letter at 3 months post initial letter.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Ziv A, Boulet JR, Slap GB. Utilization of physician offices by adolescents in the United States. Pediatrics. 1999 Jul;104(1 Pt 1):35-42. doi: 10.1542/peds.104.1.35.
Schaffer SJ, Humiston SG, Shone LP, Averhoff FM, Szilagyi PG. Adolescent immunization practices: a national survey of US physicians. Arch Pediatr Adolesc Med. 2001 May;155(5):566-71. doi: 10.1001/archpedi.155.5.566.
Briss PA, Rodewald LE, Hinman AR, Shefer AM, Strikas RA, Bernier RR, Carande-Kulis VG, Yusuf HR, Ndiaye SM, Williams SM. Reviews of evidence regarding interventions to improve vaccination coverage in children, adolescents, and adults. The Task Force on Community Preventive Services. Am J Prev Med. 2000 Jan;18(1 Suppl):97-140. doi: 10.1016/s0749-3797(99)00118-x.
Allison Kempe, MD, MPH
University of Colorado, Denver
4,807 participants (actual enrollment reported by the registry).
First Submitted
July 10, 2008
First Posted
July 15, 2008
Study Start
October 2007
Date type not reportedThis date has not been verified as actual or estimated.
PreTeenVax Evaluation
Contact the study team to confirm eligibility.
Humiston SG, Rosenthal SL. Challenges to vaccinating adolescents: vaccine implementation issues. Pediatr Infect Dis J. 2005 Jun;24(6 Suppl):S134-40. doi: 10.1097/01.inf.0000166161.12087.94.
Szilagyi PG, Bordley C, Vann JC, Chelminski A, Kraus RM, Margolis PA, Rodewald LE. Effect of patient reminder/recall interventions on immunization rates: A review. JAMA. 2000 Oct 11;284(14):1820-7. doi: 10.1001/jama.284.14.1820.
Kempe A, Lowery NE, Pearson KA, Renfrew BL, Jones JS, Steiner JF, Berman S. Immunization recall: effectiveness and barriers to success in an urban teaching clinic. J Pediatr. 2001 Nov;139(5):630-5. doi: 10.1067/mpd.2001.117069.
Suh CA, Saville A, Daley MF, Glazner JE, Barrow J, Stokley S, Dong F, Beaty B, Dickinson LM, Kempe A. Effectiveness and net cost of reminder/recall for adolescent immunizations. Pediatrics. 2012 Jun;129(6):e1437-45. doi: 10.1542/peds.2011-1714. Epub 2012 May 7.
Primary Completion
December 2009
Actual (reported)Study Completion
September 2010
Actual (reported)Last Updated
June 25, 2013
Record last verified: 2013-06
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Source: ClinicalTrials.gov.
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