Evidence map›Paper›PMID 28481338›Full record

Trial reportNutrition & diabetes2017

Eating glutinous brown rice twice a day for 8 weeks improves glycemic control in Japanese patients with diabetes mellitus.

T Nakayama, Y Nagai, Y Uehara, Y Nakamura, S Ishii, H Kato, Y Tanaka

Open access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Nutrition & diabetes, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 2 pooled it
8.1field-weighted citation impact, top 3% 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

12 citing papers in PubMed, 2 syntheses or guidelines pooled it, 40 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

T NakayamaDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
Y NagaiDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
Y UeharaDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
Y NakamuraDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
S IshiiDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
H KatoDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
Y TanakaDivision of Metabolism and Endocrinology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan.
St. Marianna University School of Medicine · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveWe recently reported that eating glutinous brown rice (GBR) for 1 day improved the whole-day glucose profile and postprandial plasma glucose level compared with eating white rice (WR) or standard brown rice. However, it was unknown whether eating GBR could maintain improvement of glycemic control for a longer period. Therefore, we evaluated the effect of GBR intake for 8 weeks on glycemic control in outpatients with diabetes mellitus.

methodsThis was an open-label randomized crossover study in outpatients with type 2 diabetes. Among the 18 subjects registered in this study, 2 were excluded from analysis. After a 1-week observation period while eating WR twice a day, the patients were randomly assigned to two groups. One group ate GBR as a staple food twice a day for 8 weeks and then switched to WR for the next 8 weeks, while the other group ate WR first and then switched to GBR. A mixed meal tolerance test was performed at baseline and after 8 and 16 weeks of dietary intervention to evaluate plasma glucose and serum C-peptide.

resultsNone of the subjects failed to complete the study because of disliking the taste of GBR. Hemoglobin A1c (7.5-7.2%, P=0.014) and glycoalbumin (20.4-19.4%, P=0.029) both decreased significantly when the patients were eating GBR. Additionally, the 30-min postprandial plasma glucose level (194-172 mg dl

conclusionsWe confirmed that GBR was well tolerated for 8 weeks and improved glycemic control in patients with type 2 diabetes.

Indexed as

DietFoodOryzaAgedBlood GlucoseC-PeptideCross-Over StudiesDiabetes Mellitus, Type 2FemaleGlycated HemoglobinHumansMaleMiddle AgedTreatment OutcomeBlood GlucoseC-PeptideGlycated Hemoglobin

Identifiers

PMID28481338
PMCPMC5518808
OpenAlexW2612396167

What OpenQuestion holds

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LicenceCC BY
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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.