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ArticleTrials2025

StOPping Hypertension and imprOving Children's Lives after KidnEy TranSplantation (SOPHOCLES): study protocol for a randomized controlled multicenter trial.

Carl Grabitz, Nima Memaran, Rizky I Sugianto, Jeanine von der Born, Mila Bukova, Elena Lehmann, Ann-Kathrin Konuhov, Dennis Holzwart, Anika Großhennig, Elke Wühl and 2 more

Registry-linked trialAbstract readClinical Trial Protocol
In one paragraph

Article in Trials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06589947 (StOPping Hypertension and imprOving Children's Lives After KidnEy TranSplantation), which is not on this map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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.

NCT06589947 nanot yet recruitingnot on this map

StOPping Hypertension and imprOving Children's Lives After KidnEy TranSplantation

TypeinterventionalSponsorHannover Medical SchoolRan2024 to 2029Enrolled170ConditionsArterial Hypertension, Kidney Transplant, ComplicationsArmsIntensified BP control, Standard Treatment
3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
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.

Carl GrabitzDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Nima MemaranDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Rizky I SugiantoDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Jeanine von der BornDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Mila BukovaDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Elena LehmannDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Ann-Kathrin KonuhovDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany.
Dennis HolzwartInstitute of Biostatistics, Hannover Medical School, Hannover, Germany.
Anika GroßhennigInstitute of Biostatistics, Hannover Medical School, Hannover, Germany.
Elke WühlDivision of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg, Germany.
Bernhard M W SchmidtDepartment of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany.
Anette MelkDepartment of Pediatric Kidney, Liver, Metabolic and Neurological Diseases, Hannover Medical School, Hannover, Germany. Melk.Anette@mh-hannover.de.

Funding

Deutsche Forschungsgemeinschaft ME 3696/6-1
6 · The paper itself

Abstract

backgroundCardiovascular disease is a major morbidity in children after kidney transplantation, limiting life expectancy and impairing graft function. Arterial hypertension is the dominant cardiovascular risk factor and highly abundant in this patient group. Arterial hypertension can cause left ventricular hypertrophy, which is predictive of cardiovascular death. Left ventricular hypertrophy can be non-invasively assessed by measuring left ventricular mass. Observational data indicated that intensified blood pressure control was associated with a significant reduction of left ventricular mass. Based on evidence from the randomized controlled ESCAPE trial, intensified blood pressure control is recommended in children with chronic kidney disease prior to kidney replacement therapy. However, current treatment recommendations for pediatric kidney transplant patients follow the recommendations for otherwise healthy children and adolescents with arterial hypertension, i.e., suggesting a blood pressure target < 90th percentile.

methodsIn the proposed multicenter, randomized, parallel group trial with blinded endpoint evaluation, we aim to include 170 pediatric patients who underwent a kidney transplantation more than 12 months ago. Patients will be randomly assigned 1:1 to an intensified blood pressure management group (blood pressure target ≤ 60th percentile) and a standard blood pressure management group (blood pressure target < 90th percentile). The primary endpoint is left ventricular mass after 24 months. Secondary endpoints are pulse wave velocity, intima media thickness, estimated glomerular filtration rate, and albuminuria. Achievement of blood pressure targets will be facilitated through blood pressure telemonitoring. Blood pressure values will be transmitted in real time to the treating physician and the trial's centralized study office allowing timely responses in case blood pressure values lie outside target range. DISCUSSION: The proposed study will result in an evidence-based definition of blood pressure targets and will therefore have direct implications for the care of children after kidney transplantation. In case intensified blood pressure targets are effective, this should eventually lead to lower cardiovascular morbidity and subsequently lower cardiovascular mortality of pediatric kidney transplant recipients.

trial registrationClinicalTrials.gov NCT06589947. Registered on September 6, 2024.

Indexed as

Antihypertensive AgentsBlood PressureHypertensionHypertrophy, Left VentricularKidney TransplantationRenal Insufficiency, ChronicAdolescentAge FactorsChildChild, PreschoolFemaleHumansMaleMulticenter Studies as TopicRandomized Controlled Trials as TopicTime FactorsAntihypertensive AgentsArterial hypertensionCardiovascular diseaseGraft functionIntima media thicknessKidney transplantationLeft ventricular hypertrophyPulse wave velocityTelemonitoring

Identifiers

PMID40866927
PMCPMC12392664

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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.