Evaluation of Tp-e Interval and Tp-e/QT Ratio in Dermatomyositis and Analysis of Their Relationship With Inflammation
The Third People's Hospital of Hangzhou
The Third People's Hospital of Hangzhou
Sponsor study identifier
observational
100
1 country
1
Study Start
November 24, 2021
Actual (reported)Primary Completion
November 23, 2022
Actual (reported)Study Completion
November 24, 2022
Actual (reported)The goal of this observational study is to investigate ventricular repolarization utilizing Tp-e intervals and Tp-e/QT ratios in patients with DM. The main questions it aims to answer are:
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
November 24, 2022
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
November 24, 2021
Actual (reported)November 23, 2022
Actual (reported)November 24, 2022
Actual (reported)August 16, 2023
Actual (reported)August 21, 2023
Actual (reported)QTc, Tp-e interval, and Tp-e/QT ratio were increased in DM patients.
November 2011 to November 2022
the Tp-e interval and Tp-e/QT ratio were positively correlated with Inflammation.
November 2011 to November 2022
Do you have dermatomyositis
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Dermatomyositis patients from November 2011 to November 2022 who visited our hospital, and a healthy control group consisting of the same number of gender and age matched healthy adults in a physical examination center.
The Third People's Hospital of Hangzhou
Zhejiang, Hangzhou, 310000, China
Lundberg IE. Expert Perspective: Management of Refractory Inflammatory Myopathy. Arthritis Rheumatol. 2021 Aug;73(8):1394-1407. doi: 10.1002/art.41762. Epub 2021 Jun 29.
Zhao L, Wang Q, Zhou B, Zhang L, Zhu H. The Role of Immune Cells in the Pathogenesis of Idiopathic Inflammatory Myopathies. Aging Dis. 2021 Feb 1;12(1):247-260. doi: 10.14336/AD.2020.0410. eCollection 2021 Feb.
Schwartz T, Diederichsen LP, Lundberg IE, Sjaastad I, Sanner H. Cardiac involvement in adult and juvenile idiopathic inflammatory myopathies. RMD Open. 2016 Sep 27;2(2):e000291. doi: 10.1136/rmdopen-2016-000291. eCollection 2016.
100 participants (actual enrollment reported by the registry).
First Submitted
August 16, 2023
First Posted
August 21, 2023
Study Start
November 24, 2021
Actual (reported)Lenalidomide in the Treatment of Refractory Cutaneous Dermatomyositis
Contact the study team to confirm eligibility.
Kors JA, Ritsema van Eck HJ, van Herpen G. The meaning of the Tp-Te interval and its diagnostic value. J Electrocardiol. 2008 Nov-Dec;41(6):575-80. doi: 10.1016/j.jelectrocard.2008.07.030.
Antzelevitch C, Sicouri S, Di Diego JM, Burashnikov A, Viskin S, Shimizu W, Yan GX, Kowey P, Zhang L. Does Tpeak-Tend provide an index of transmural dispersion of repolarization? Heart Rhythm. 2007 Aug;4(8):1114-6; author reply 1116-9. doi: 10.1016/j.hrthm.2007.05.028. Epub 2007 Jun 8. No abstract available.
Naaraayan A, Meredith A, Nimkar A, Arora G, Bharati R, Acharya P. Arrhythmia prevalence among patients with polymyositis-dermatomyositis in the United States: An observational study. Heart Rhythm. 2021 Sep;18(9):1516-1523. doi: 10.1016/j.hrthm.2021.05.029. Epub 2021 May 26.
Indraratna P, Tardo D, Delves M, Szirt R, Ng B. Measurement and Management of QT Interval Prolongation for General Physicians. J Gen Intern Med. 2020 Mar;35(3):865-873. doi: 10.1007/s11606-019-05477-7. Epub 2019 Oct 25.
Korsholm SS, Andersson DC, Knudsen JB, Dastmalchi M, Diederichsen ACP, Gerke O, Witting N, Jacobsen S, Pecini R, Friis T, Krogager ME, Lundberg IE, Diederichsen LP. Myositis-specific autoantibodies and QTc changes by ECG in idiopathic inflammatory myopathies. Rheumatology (Oxford). 2022 Oct 6;61(10):4076-4086. doi: 10.1093/rheumatology/keac013.
Mendez Hernandez R, Ramasco Rueda F. Biomarkers as Prognostic Predictors and Therapeutic Guide in Critically Ill Patients: Clinical Evidence. J Pers Med. 2023 Feb 15;13(2):333. doi: 10.3390/jpm13020333.
Lazzerini PE, Capecchi PL, El-Sherif N, Laghi-Pasini F, Boutjdir M. Emerging Arrhythmic Risk of Autoimmune and Inflammatory Cardiac Channelopathies. J Am Heart Assoc. 2018 Nov 20;7(22):e010595. doi: 10.1161/JAHA.118.010595. No abstract available.
Primary Completion
November 23, 2022
Actual (reported)Study Completion
November 24, 2022
Actual (reported)Last Updated
February 21, 2025
Record last verified: 2025-02
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Source: ClinicalTrials.gov.
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