Completed OBSERVATIONAL NCT01318746

The Circadian Rhythm of Potassium and Cystatin C (Potassium)

The Circadian Rhythm of Potassium and Cystatin c and the Day-to-day Variability

Sponsor: Biotronik SE & Co. KG

Conditions Cardiac Arrhythmias Sudden Cardiac Death

Updated 6 times since 2017 Last updated: Jan 11, 2018 Started: Apr 30, 2011 Primary completion: Apr 30, 2013 Completion: Apr 30, 2013

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Cardiac Arrhythmias and Sudden Cardiac Death and is currently completed. Biotronik SE & Co. KG leads this study, which shows 6 recorded versions since 2011 — indicating limited longitudinal coverage. Heart and vascular conditions benefit from the kind of long-term tracking this trial provides.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed
Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None

▶ Show 1 earlier version

Jan 2017 — Apr 2018 [monthly]

Completed NA

First recorded

Apr 2011

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Biotronik SE & Co. KG
University of Erlangen-Nürnberg Medical School

Data source: University of Erlangen-Nürnberg Medical School

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Erlangen, Germany