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Sweat sensor may predict blood pressure danger in elderly cancer surgery

NCT ID NCT07481851

Knowledge-focused Sponsor: Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing whether measuring skin conductance—a sign of nervous system activity—can predict dangerous drops in blood pressure after spinal anesthesia in elderly cancer patients. Researchers will monitor 102 patients aged 65 and older undergoing urologic cancer surgery. If skin conductance proves reliable, it could offer a simple, noninvasive way to identify high-risk patients and improve safety during surgery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to a simple, noninvasive way to identify elderly cancer patients at risk of low blood pressure during surgery, helping doctors prevent complications.
What could go wrong
This is a small, early observational study, not a treatment trial. The results may not apply to all patients or settings, and skin conductance might not reliably predict hypotension.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 102 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

May 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population will consist of geriatric patients aged 65 years and older who are scheduled to undergo elective urologic oncology surgery under spinal anesthesia at a tertiary oncology training and research hospital. Eligible patients meeting the inclusion criteria will be prospectively enrolled. Perioperative skin conductance and hemodynamic parameters will be monitored to evaluate the association between sympathetic nervous system activity and the development of spinal anesthesia-induced hypotension.

Ages

65 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients aged 65 years and older * Patients scheduled for elective urologic oncology surgery under spinal anesthesia * American Society of Anesthesiologists (ASA) physical status I-III * Patients who provide written informed consent to participate in the study Exclusion Criteria: * Refusal to participate or inability to provide informed consent * Contraindication to spinal anesthesia (e.g., infection at puncture site, coagulopathy) * Severe cardiac conduction abnormalities or presence of a cardiac pacemaker * Severe autonomic dysfunction or known neuropathy affecting autonomic responses * Use of medications that significantly affect autonomic nervous system activity * Baseline hypotension or hemodynamic instability before spinal anesthesia * Inability to obtain reliable skin conductance measurements (e.g., severe skin lesions at electrode placement site)

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Conditions

The condition(s) this trial relates to.

benign urinary system neoplasm hypotensive disorder urinary system neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Aged Hypotension Spinal anesthesia Urologic neoplasms

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Dr. Abdurrahman Yurtaslan Ankara Oncology Education and Research Hospital Clinic of Anesthesiology and Rea

    RECRUITING

    Ankara, Yenimahalle, 06200, Turkey (Türkiye)

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