- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02581241
Abnormal QT-Response to the Sudden Tachycardia Provoked by Standing in Individuals With Drug-induced Long QT Syndrome
Study Overview
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Tel-Aviv, Israel
- Sourasky medical center (Ichilov)
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- age above 18 years
- were hospitalized in Tel Aviv medical center between January 2013 and June 2015 due to drug-induced long QT syndrome and the associated torsades de
- were treated with specific drugs (antibiotics) that potentially prolong the QT interval (only for control group)
Exclusion Criteria:
- Subjects with an inability to communicate well with the investigators (i.e., language problem, poor mental development or impaired cerebral function).
- Subjects with any acute medical situation (e.g. acute infection) within 48 hours of study start, which is considered of significance by Investigator.
- Subjects who are non-cooperative or unwilling to sign consent form.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: drug-induced long QT syndrome
20 adults aged above 18 years which were hospitalized in Tel Aviv medical center between January 2013 and June 2015 due to drug-induced long QT syndrome and the associated torsades de pointes, have no exclusion criteria and provide informed consent to participate in the study. Interventions. Participating individuals will be instructed to rest supine for 10 minutes while repeat electrocardiograms are recorded. They will then be instructed to stand up quickly and remain standing still for 10 minutes. Individuals with inability to stand up quickly will be tested with tilt table test used in our hospital |
Participating individuals will be instructed to rest supine for 10 minutes while repeat electrocardiograms are recorded. They will then be instructed to stand up quickly and remain standing still for 10 minutes. Individuals with inability to stand up quickly will be tested with tilt table test used in our hospital |
Active Comparator: control
20 adults aged above 18 years which were hospitalized in Tel Aviv medical center between January 2013 and June 2015 and were treated with specific drugs (antibiotics) that potentially prolong the QT interval but they do not have drug-induced long QT syndrome, have no exclusion criteria and provide informed consent to participate in the study. Interventions. Participating individuals will be instructed to rest supine for 10 minutes while repeat electrocardiograms are recorded. They will then be instructed to stand up quickly and remain standing still for 10 minutes. Individuals with inability to stand up quickly will be tested with tilt table test used in our hospital |
Participating individuals will be instructed to rest supine for 10 minutes while repeat electrocardiograms are recorded. They will then be instructed to stand up quickly and remain standing still for 10 minutes. Individuals with inability to stand up quickly will be tested with tilt table test used in our hospital |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
ECG measurements of QT before and during stand up test
Time Frame: 12 months
|
ECG measurements of QT and RR before and during stand up test.
measured in msec units
|
12 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Udi Chorin, MD, Tel Aviv MC
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- TASMC-15-EC-0379-15-CTIL
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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