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Short Pre-Surgery exercise test may spot hidden risks

NCT ID NCT07519733

Knowledge-focused Sponsor: Yale University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether a short exercise test done before surgery can help predict complications in adults over 45 having moderate- to high-risk operations. Researchers will collect data from routine care and exercise tests to see if results link to heart, lung, or other problems after surgery. The goal is to improve how doctors assess surgical risk without adding extra procedures.

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 992 people

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

Started

Jul 2025

Expected to finish

Jul 2028

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 pool of participants for enrollment in this data repository will be patients that have met criteria for preoperative smCPET screening with EITHER a * Modified Duke Activity Status Index9 score of \<3 or Duke Activity Status Index \< or = 34 * A surgeon's request for preoperative evaluation to assess fitness for surgery * An anesthesiologist request for preoperative evaluation to assess fitness for surgery. * A consulting physician request for preoperative evaluation to assess fitness for surgery. * Or a revised cardiac risk index10 of \>2 with moderate to high risk features (coronary artery disease, cardiomyopathy, echocardiography with reduced ejection fraction, myocardial infarction w/in prior 12 months (but \>6 weeks from scheduled surgery).

Ages

45 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * greater than 45 years old * moderate to high-risk noncardiac surgery * surgeon, anesthesiologist or other medical provider requested referral for preoperative high risk evaluation, or * revised cardiac risk index \> or = 2, or * Ambiguous, low or discordant functional capacity by either the Duke Activity status index (DASI \<34) or the modified Duke Activity status index (\< or =3) or * Frailty Index \>1 Exclusion Criteria: * Age \<45 * Absolute contraindication to submaximal cardiopulmonary exercise testing * Impaired decision making capacity * Prisoners * Pregnancy * Severe peripheral vascular disease * Functional limitation precluding the performance of submaximal cardipulmonary exercise testing * Severe active pulmonary disease

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Conditions

The condition(s) this trial relates to.

Postoperative Complications

As listed by the trial registrant

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

Postoperative complications (cardiopulmonary)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  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

  • Yale New Haven Hospital, Pre-Surgical Evaluation Clinic

    RECRUITING

    New Haven, Connecticut, 06520, United States

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