Evidence map›Paper›PMID 29301520›Full record

Trial reportCardiovascular diabetology2018

SGLT-2-inhibition with dapagliflozin reduces tissue sodium content: a randomised controlled trial.

M V Karg, A Bosch, D Kannenkeril, K Striepe, C Ott, M P Schneider, F Boemke-Zelch, P Linz, A M Nagel, J Titze and 2 more

Registry-linked trialOpen access · goldAbstract readClinical Trial, Phase IIIRandomized Controlled Trial
In one paragraph

Trial report in Cardiovascular diabetology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It reports registered trial NCT02383238. Cited by 81 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
81citing papers in PubMed, 5 pooled it
16.1field-weighted citation impact, top 1% 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.

NCT02383238 phase3completed

Randomized, Placebo Controlled, Crossover Clinical Study to Analyse the Effect of Dapagliflozin on Microvascular and Macrovascular Circulation and Total Body Sodium Content

Ran2014Enrolled59Registered outcomes2Posted comparisons0ConditionsDiabetes Mellitus Type 2Armsdapagliflozin, Placebo
Open the trial in the graph
3 · Its place in the literature

Who cites it

81 citing papers in PubMed, 5 syntheses or guidelines pooled it, 180 citations in OpenAlex.

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  12. Salt and chronic kidney disease.Nature reviews. Nephrology · 2026
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  19. Imaging of Congestion in Cardio-renal Syndrome.Current heart failure reports · 2025
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21 more citing papers are in PubMed but not listed here.

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

12 authors at 2 institutions in 2 countries.

M V KargDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
A BoschDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
D KannenkerilDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
K StriepeDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
C OttDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
M P SchneiderDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
F Boemke-ZelchDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
P LinzDepartment for Diagnostic Radiology, University Hospital Erlangen, Erlangen, Germany.
A M NagelDepartment for Diagnostic Radiology, University Hospital Erlangen, Erlangen, Germany.
J TitzeDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
M UderDepartment for Diagnostic Radiology, University Hospital Erlangen, Erlangen, Germany.
R E SchmiederDepartment of Nephrology and Hypertension, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany. roland.schmieder@uk-erlangen.de.ORCID 0000-0003-2356-5883
Universitätsklinikum Erlangen · DEVanderbilt University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

aimsSodium tissue content by MATERIALS AND

methodsIn a prospective double blind, placebo controlled, cross-over trial 59 patients (61 ± 7.6 years) with type 2 diabetes were randomized to either dapagliflozin 10 mg or placebo once daily for 6 weeks each. In addition to metabolic parameters and ambulatory blood pressure (BP) we analysed the sodium content in the skin and muscles of the lower leg by Na-MRI.

resultsCompared to baseline 6 weeks treatment with the SGLT-2 inhibitor dapagliflozin decreased fasting (132 ± 28 vs. 114 ± 19 mg/dl, p < 0.001), postprandial blood glucose (178 ± 66 mg/dl vs. 153 ± 46 mg/dl, p < 0.001), body weight (87.6 vs. 86.6 kg, p < 0.001) and systolic (129 ± 12 vs. 126 ± 11 mmHg, p = 0.010), and diastolic (77.4 ± 9 vs. 75.6 ± 8 mmHg, p = 0.024), 24-h ambulatory BP. Tissue sodium content in the skin was reduced after 6 weeks treatment with dapagliflozin compared to baseline [24.1 ± 6.6 vs. 22.7 ± 6.4 A.U.(arbitrary unit) p = 0.013]. No significant reduction of tissue sodium content was observed in the muscle (M. triceps surae: 20.5 ± 3.5 vs. 20.4 ± 3.7 A.U. p = 0.801). No clear significant difference in tissue water content of muscle and skin was observed after 6 weeks of treatment with dapagliflozin, compared to baseline.

conclusionSGLT-2 inhibition with dapagliflozin resulted in a significant decrease in tissue sodium content of the skin after 6 weeks. This observation point to a decrease of total sodium content in patients with type 2 diabetes prone to cardiovascular complications, that might be mitigated by SGLT-2 inhibition. Trial registration The study was registered at http://www.clinicaltrials.gov (NCT02383238) retrospectively registered.

Indexed as

AgedBenzhydryl CompoundsBlood GlucoseBlood PressureCross-Over StudiesDiabetes Mellitus, Type 2Double-Blind MethodFemaleGermanyGlucosidesHumansMaleMiddle AgedMuscle, SkeletalProspective StudiesSkinBenzhydryl CompoundsBlood GlucosedapagliflozinGlucosidesSLC5A2 protein, humanSodiumSodium-Glucose Transporter 2Sodium-Glucose Transporter 2 InhibitorsMagnetic resonance imagingSGLT-2 inhibitionTissue sodium contentType 2 diabetes

Identifiers

PMID29301520
PMCPMC5753452
OpenAlexW2782103987

What OpenQuestion holds

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Registered trials

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.