Evidence map›Paper›PMID 21816779›Full record

Trial reportThe Journal of clinical endocrinology and metabolism2011

Type of dietary fat is associated with the 25-hydroxyvitamin D3 increment in response to vitamin D supplementation.

Sathit Niramitmahapanya, Susan S Harris, Bess Dawson-Hughes

Open access · bronzeAbstract readRandomized Controlled Trial
In one paragraph

Trial report in The Journal of clinical endocrinology and metabolism, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 3 pooled it
4.4field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed, 3 syntheses or guidelines pooled it, 74 citations in OpenAlex.

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  3. Vitamin D supplementation for prevention of mortality in adults.The Cochrane database of systematic reviews · 2014
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

Sathit NiramitmahapanyaBone Metabolism Laboratory, Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, USA.
Susan S Harris
Bess Dawson-Hughes
Tufts University · USJean Mayer Human Nutrition Research Center on Aging · US

Funding

EFFECT OF CALCIUM AND VITAMIN D ON BONE LOSS FROM HIPU01AG010353 · NIA · TUFTS UNIVERSITY BOSTON · PI DAWSON-HUGHES, BESS · 1991 to 1998
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NIA NIH HHS AG10353NIA NIH HHS U01 AG010353
6 · The paper itself

Abstract

contextMono- and polyunsaturated fats may have opposing effects on vitamin D absorption.

objectiveThe purpose of this study was to determine whether intakes of different dietary fats are associated with the increase in serum 25-hydroxyvitamin D (25OHD) after supplementation with vitamin D(3). DESIGN, SETTING, AND

participantsThis analysis was conducted in the active treatment arm of a randomized, double-blind, placebo-controlled trial of vitamin D and calcium supplementation to prevent bone loss and fracture. Subjects included 152 healthy men and women age 65 and older who were assigned to 700 IU/d vitamin D(3) and 500 mg/d calcium. Intakes of monounsaturated fatty acids (MUFA), polyunsaturated fatty acids (PUFA), and saturated fatty acids (SFA) were estimated by food frequency questionnaire.

main outcome measureThe change in plasma 25OHD during 2 yr vitamin D and calcium supplementation was assessed.

resultsThe change in plasma 25OHD (nanograms per milliliter) during vitamin D supplementation was positively associated with MUFA, (β = 0.94; P = 0.016), negatively associated with PUFA, (β = -0.93; P = 0.038), and positively associated with the MUFA/PUFA ratio (β = 6.46; P = 0.014).

conclusionThe fat composition of the diet may influence the 25OHD response to supplemental vitamin D(3). Diets rich in MUFA may improve and those rich in PUFA may reduce the effectiveness of vitamin D(3) supplements in healthy older adults. More studies are needed to confirm these findings.

Indexed as

Dietary SupplementsAgedAged, 80 and overCalcifediolCalciumDietary FatsDouble-Blind MethodEnergy IntakeEnergy MetabolismFatty Acids, MonounsaturatedFemaleFractures, BoneHumansMaleOsteoporosisVitamin DCalcifediolCalciumDietary FatsFatty Acids, MonounsaturatedVitamin D

Identifiers

PMID21816779
PMCPMC3200243
OpenAlexW2028029392

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.