Long-term Use of Proton Pump Inhibitors May Cause Vitamin B12 Deficiency in the Institutionalized Elderly
1 other identifier
interventional
36
1 country
2
Brief Summary
This study was designed to determine whether elderly residents of long term care facilitated who had been taking proton pump inhibitors (PPI) for more than 12 months were more likely to have vitamin B12 deficiency than residents not taking PPI, and whether cyanocobalamin nasal spray improved these subjects' vitamin B12 status.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Nov 2006
2 active sites
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
November 1, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2008
CompletedFirst Submitted
Initial submission to the registry
February 12, 2009
CompletedFirst Posted
Study publicly available on registry
February 13, 2009
CompletedJuly 23, 2009
July 1, 2009
1.2 years
February 12, 2009
July 21, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
serum vitamin B12
baseline and after 8 weeks of treatment
serum methylmalonic acid (MMA)
at baseline and after eight weeks of treatment
Study Arms (2)
1
OTHERComparison of serum vitamin and B12 concentrations of PPI and non-PPI groups
2
EXPERIMENTALComparison of baseline and end of treatment serum vitamin B12 and MMA concentrations.
Interventions
cyanocobalamin nasal spray -- 500 mcg q week for eight weeks
Eligibility Criteria
You may qualify if:
- age 60-89 years
- PPI use for \>12 months (PPI group)
- no PPI use for 30 days prior to arm 1
- long term care resident
You may not qualify if:
- pernicious anemia
- severe megaloblastic anemia
- free-living
- serum creatinine \> 1.8 mg/dL
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Long View Nursing Home
Manchester, Maryland, 21102, United States
Stella Maris Nursing Home
Timonium, Maryland, 21093, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Nancy R Rozgony, RD< LD
University of Delaware
- PRINCIPAL INVESTIGATOR
Chengshun R Fang, Ph.D.
University of Delaware
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
February 12, 2009
First Posted
February 13, 2009
Study Start
November 1, 2006
Primary Completion
January 1, 2008
Study Completion
April 1, 2008
Last Updated
July 23, 2009
Record last verified: 2009-07