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New nerve block technique aims to protect breathing in elderly shoulder surgery patients

NCT ID NCT07612514

Symptom relief Sponsor: Shanghai Tong Ren Hospital Source: ClinicalTrials.gov ↗

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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
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 Results may not be published yet.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 This study
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)
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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
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Status unknown
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First seen Jun 27, 2026 · Last updated Jul 10, 2026 · Updated 2 times

Summary

This study tests a new combination of nerve blocks for elderly patients (65 and older) having surgery for a broken shoulder. The goal is to see if the new approach provides better pain relief during surgery and lowers the risk of temporary diaphragm paralysis, which can cause breathing problems. About 356 participants will be randomly assigned to receive either the new or standard nerve block technique.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Nov 2030

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.

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: * Signed informed consent * Age ≥65 years * BMI \<30 * American Society of Anesthesiologists (ASA) physical status I to III * Unilateral proximal humeral fracture scheduled for open reduction and internal fixation via an anterior surgical approach (including deltopectoral approach and anteromedial deltoid approach) Exclusion Criteria: * Inability to perform T2 thoracic paravertebral block for any reason * Coagulation dysfunction or current use of anticoagulant therapy * History of upper extremity nerve injury or phrenic nerve injury * Severe polytrauma * Preoperative uncontrolled severe respiratory dysfunction (resting SpO2 \<90% or home oxygen therapy, or FEV1 \<30% of predicted value) * Preoperative uncontrolled asthma, pulmonary infection, pneumothorax, or history of prior lung surgery * Preoperative uncontrolled hypertension with admission systolic blood pressure \>180 mmHg or diastolic blood pressure \>110 mmHg * Preoperative uncontrolled coronary artery disease, valvular heart disease, or arrhythmia * Any condition that precludes nerve block performance (e.g., local infection or swelling at the puncture site, inability to change position) * Inability to communicate or cooperate with anesthesia administration (e.g., language barrier, intellectual disability, Alzheimer's disease, Parkinson's disease) * Allergy to ropivacaine or any other contraindication to nerve block

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Conditions

The condition(s) this trial relates to.

humerus fracture respiratory paralysis Shoulder Fractures

As listed by the trial registrant

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

Anesthesia, regional Diaphragmatic paralysis Proximal humeral fracture

Contacts and locations

Locations

  • Shanghai Sixth People's Hospital

    Shanghai, Shanghai Municipality, China

  • Shanghai Tongren Hospital

    Shanghai, Shanghai Municipality, 200336, China

  • Shanghai Xuhui Central Hospital

    Shanghai, Shanghai Municipality, China

More trials for these conditions

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