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Nerve block calms deadly heart storms in small trial

NCT ID NCT07375264

Disease control Sponsor: Jose Manuel López González Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a procedure that blocks certain nerves to the heart in 18 people with life-threatening, uncontrollable heart rhythm problems (called electrical storm). The goal was to see if it could reduce dangerous heart episodes and the need for defibrillator shocks. The approach is a treatment to control the condition, not a cure.

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

18 people

The number who actually took part.

Started

Apr 2023

Finished

Dec 2025

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

After approval of the study by Principality of Asturias Drug Research Ethics Committee (CEImPA), Spain and obtaining informed consent from the participants, all consecutive patients who underwent SGB followed by BCSD as part of the treatment for refractory electrical storm were included.

Ages

18 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 over 18 years of age. * arrhythmic storm refractory to conventional treatment. Exclusion Criteria: * patients younger than 18 years of age. * previous history of heart transplantation. * history of previous surgical cardiac sympathetic denervation. * patients with neck anatomy considered unsuitable for the procedure (including previous neck surgery, burns, the presence of extensive scars, or large goiters with significant displacement of adjacent structures). * contraindications to the interventional technique (such as infection at the puncture site, or refusal to provide consent).

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Conditions

The condition(s) this trial relates to.

ventricular arrhythmias due to cardiac ryanodine receptor calcium release deficiency syndrome

As listed by the trial registrant

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

Electrical storm Stellate ganglion block Ventricular arrhythmias

Contacts and locations

Locations

  • FINBA

    Oviedo, Principality of Asturias, 33001, Spain

More trials for these conditions

Other studies related to the condition(s) this trial covers.