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Nerve; Disorder, SympatheticNCT03243448

Skin Sympathetic Nerve Activity and Sympathetic Tone

An observational study of Nerve; Disorder, Sympathetic and Healthy, run by Kaohsiung Medical University Chung-Ho Memorial Hospital.

Enrolling by invitation

Enrolling by invitation. The study team selects and invites participants, usually from an existing group of patients.

Official record
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Trial summary

There are many sympathetic hyperactivity diseases in the investigators' clinical practice. However, the conventional method to measure the sympathetic nerve activity had many limitations such as clinical application, data interpretation and even therapeutic manipulation. Read more about this study

Who is it for?
Ages 20 to 85 yearsHealthy volunteers can take part
Conditions the study is for
Nerve; Disorder, Sympathetic, Healthy
How many people
1,000 participants
Where
No sites listed yet
Study dates
1 Aug 2016to 31 Jul 2032
How long will I take part?
1 Year
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 85 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: The subjects who are eligible to the inclusion criteria and admitted to the investigators' ward, visited the investigators' outpatient clinic or health checkup center will be enrolled in the investigators' study.

Who may be able to join

  • Sympathetic hyperactivity diseases included: hypertension, heart failure atherosclerotic diseases, arrhythmias, cardiomyopathy, pulmonary hypertension, chronic obstructive pulmonary disease, sleep apnea, pulmonary embolism, hepatitis, liver cirrhosis, hepatopulmonary syndrome, hepatorenal syndrome, renal failure, nephritis, irritable bowel syndrome.
  • Healthy Volunteers

Who cannot join

  • Pregnant

About this study

Official title: Using Skin Sympathetic Nerve Activity to Estimate Sympathetic Tone in Human

There are many sympathetic hyperactivity diseases in the investigators' clinical practice. However, the conventional method to measure the sympathetic nerve activity had many limitations such as clinical application, data interpretation and even therapeutic manipulation. Therefore the investigators would like to develop a non-invasive method to record the sympathetic nerve activity in the investigators' study that can help gathering the sympathetic nerve activity easily in the investigators' daily clinical situation. By the determination of sympathetic nerve activity status, the health caregiver can understand the disease more.

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT03243448
Study groupRoleWhat they receive
The general publicpeople between 20-85 years old, without sympathetic hyperactivity disease
Sympathetic hyperactivity diseasesSympathetic hyperactivity diseases included: hypertension, heart failure atherosclerotic diseases, arrhythmias, cardiomyopathy, pulmonary hypertension, chronic obstructive pulmonary disease, sleep apnea, pulmonary embolism, hepatitis, liver cirrhosis, hepatopulmonary syndrome, hepatorenal syndrome, renal failure, nephritis, irritable bowel syndrome.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Skin Sympathetic Nerve Activity

    The Sympathetic Nerve Activity Recording from the skin of the subjects in the day time.

    Measured: 12 hours

Secondary outcomes (3)
  1. ventricular arrhythmia

    The electrocardiogram recording from the telemetry.

    Measured: 24 to 72 hours

  2. Mortality

    The mortality will be accessed by the chart review and telephone access

    Measured: 1 to 12 months

  3. Morbidity

    The morbidity will be accessed by the chart review and telephone access

    Measured: 1 to 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Aug 2017
  2. Study start1 Aug 2016
  3. Primary completion31 Jul 2030 (estimated)
  4. Study completion31 Jul 2032 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Prospective
Enrolment
1,000 participants (estimated)
Target duration
1 Year
IDs, dates and publications
ClinicalTrials.gov ID
NCT03243448
Sponsor's protocol ID
KMU-DK106011
Status last verified
Aug 2026
First submitted
17 Jul 2017
Last updated
10 Aug 2026
Results posted
No
Individual data sharing
Undecided

Publications

  • Shen MJ, Coffey AC, Straka S, Adams DE, Wagner DB, Kovacs RJ, Clark M, Shen C, Chen LS, Everett TH 4th, Lin SF, Chen PS. Simultaneous recordings of intrinsic cardiac nerve activity and skin sympathetic nerve activity from human patients during the postoperative period. Heart Rhythm. 2017 Nov;14(11):1587-1593. doi: 10.1016/j.hrthm.2017.06.030. Epub 2017 Jun 23.

    PubMed 28648667
  • Everett TH 4th, Doytchinova A, Cha YM, Chen PS. Recording sympathetic nerve activity from the skin. Trends Cardiovasc Med. 2017 Oct;27(7):463-472. doi: 10.1016/j.tcm.2017.05.003. Epub 2017 May 10.

    PubMed 28619579
  • Uradu A, Wan J, Doytchinova A, Wright KC, Lin AYT, Chen LS, Shen C, Lin SF, Everett TH 4th, Chen PS. Skin sympathetic nerve activity precedes the onset and termination of paroxysmal atrial tachycardia and fibrillation. Heart Rhythm. 2017 Jul;14(7):964-971. doi: 10.1016/j.hrthm.2017.03.030. Epub 2017 Mar 24.

    PubMed 28347833
  • Doytchinova A, Hassel JL, Yuan Y, Lin H, Yin D, Adams D, Straka S, Wright K, Smith K, Wagner D, Shen C, Salanova V, Meshberger C, Chen LS, Kincaid JC, Coffey AC, Wu G, Li Y, Kovacs RJ, Everett TH 4th, Victor R, Cha YM, Lin SF, Chen PS. Simultaneous noninvasive recording of skin sympathetic nerve activity and electrocardiogram. Heart Rhythm. 2017 Jan;14(1):25-33. doi: 10.1016/j.hrthm.2016.09.019. Epub 2016 Sep 23.

    PubMed 27670627
  • Tang CL, Tsai WC, Lee JY, Wang YK, Chen YH, Liu YW, Lin MC, Fang PT, Huang YL, Wu IC. Higher pre-treatment skin sympathetic nerve activity and elevated resting heart rate after chemoradiotherapy predict worse esophageal cancer outcomes. BMC Cancer. 2022 Oct 22;22(1):1086. doi: 10.1186/s12885-022-10180-8.

    PubMed 36271384
  • Huang TC, Lin SJ, Chen CJ, Jhuo SJ, Chang CW, Lin SC, Chi NY, Chou LF, Tai LH, Liu YH, Lin TH, Liao WS, Kao PH, Cheng MC, Hsu PC, Lee CS, Lin YH, Lee HC, Lu YH, Yen HW, Lin TH, Su HM, Lai WT, Dai CY, Lee CH, Chen PS, Lin SF, Tsai WC. Skin sympathetic nerve activity and ventricular arrhythmias in acute coronary syndrome. Heart Rhythm. 2022 Oct;19(10):1613-1619. doi: 10.1016/j.hrthm.2022.04.031. Epub 2022 May 5.

    PubMed 35525422

Questions about this trial

What is this clinical trial studying?

An observational study of Nerve; Disorder, Sympathetic and Healthy, run by Kaohsiung Medical University Chung-Ho Memorial Hospital.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: enrolling by invitation, as of the sponsor's last update on 10 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Skin Sympathetic Nerve Activity (time frame: 12 hours). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03243448, which also lists 6 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Aug 2026.

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