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CompletedNCT01331265Updated Jan 14, 2020

Perceived Lactose Intolerance

An observational study in Lactose Intolerance, sponsored by Baylor College of Medicine. Completed at 1 site in United States. Open to participants aged 18 Years to 50 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2020-01-14.

Sponsored by Baylor College of Medicine · Observational

Study type
Observational
Model
Ecologic or community
Time perspective
Cross-sectional
Enrollment
3,815
Ages
18 Years to 50 Years
Sex
All
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Study summary

The goal of this study was to examine the effects of self-perceived lactose intolerance (SPLI) as it relates to calcium intake and specific health problems that have been attributed to reduced intake of calcium and foods from the dairy group in a nationally representative multi-ethnic sample of adults.

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Conditions studied

  • Lactose Intolerance

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Keywords

  • perceived lactose intolerance
  • calcium/dairy consumption
  • specific health outcomes
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In context

Lactose Intolerance

53 studies on the registry are indexed under Lactose Intolerance; 6 are open to participants now.

This study's enrollment of 3,815 is above the median of 70 across 11 observational studies indexed under Lactose Intolerance.

Browse Lactose Intolerance studies →

Lead sponsor

Baylor College of Medicine is the lead sponsor of 747 studies on the registry; 110 are open to participants now.

Of its 84 completed or terminated interventional studies of FDA-regulated products, 45 (54%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 50 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

white, black, and Hispanic adults; 18-50 years of age

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • adults between 18 and 50 years old

Exclusion criteria

Exclusion Criteria:

  • pregnant women
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Study design

Observational model
Ecologic or community
Time perspective
Cross-sectional
Enrollment
3,815 participants (actual)

Groups and cohorts

  • no treatment
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Study locations

1 site
  • Baylor College of Medicine
    Houston, Texas 77030, United States
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References and documents

Publications

  • Nicklas TA, Qu H, Hughes SO, Wagner SE, Foushee R, Shewchuk RM. Prevalence of Self-reported Lactose Intolerance in a Multi-ethnic Sample of Adults. Nutrition Today 44(5):222-227, 2009
  • Nicklas TA, Qu H, Hughes SO, He M, Wagner SE, Foushee HR, Shewchuk RM. Self-perceived lactose intolerance results in lower intakes of calcium and dairy foods and is associated with hypertension and diabetes in adults. Am J Clin Nutr. 2011 Jul;94(1):191-8. doi: 10.3945/ajcn.110.009860. Epub 2011 Apr 27. PubMed 21525197 ↗
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 14, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT01331265
Responsible party
Theresa A Nicklas (Professor, Baylor College of Medicine) — Principal investigator
First posted
Apr 8, 2011
Start date
Jan 2008
Primary completion
Dec 2009
Completion
Dec 2009
Last update
Jan 14, 2020

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jan 2020. You cannot join it, but the record below documents what was studied.

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Discussion

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