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Tiny sensor in lung artery could keep heart failure patients out of hospital

NCT ID NCT06779552

Disease control Sponsor: Abbott Medical Devices Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing whether a small wireless sensor placed in the lung artery can help doctors manage heart failure better. The sensor measures pressure in the lung artery and sends readings to a doctor, who can then adjust medications early to prevent flare-ups. The study will enroll 1000 people with heart failure who have had a recent hospital stay or high blood markers. Half will get the sensor plus standard care, and half will get standard care alone. Researchers will compare how often each group ends up in the hospital and how long they live.

What this could mean

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

Active substance
CardioMEMS HF System (a wireless pressure sensor implanted in the lung artery)
What this could lead to
If it works, this could give doctors a way to monitor heart failure remotely and adjust treatment early, reducing hospital visits and improving survival.
What could go wrong
This is a real-world study, not a tightly controlled experiment, so results may be less clear. The device requires a procedure to implant, which carries risks like infection or bleeding.

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 1,000 people

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

Started

Feb 2025

Expected to finish

Mar 2032

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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 include Heart Failure patients in the United States implanted with the CardioMEMS PA pressure sensor and HF patients being managed without PA pressure-monitoring.

Ages

18 years and older

Sex

Anyone

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: 1. Subject implanted with a CardioMEMS pressure sensor (treatment arm only) 2. Subject \>=18 years of age at time of implant 3. Subject has a history of acute decompensated HF or HF-related congestion defined by at least one of the following qualifying event types: HF hospitalization, elevated BNP/NT-proBNP Exclusion Criteria: 1. Subject has history of heart transplant or durable mechanical circulatory device 2. Subject hospitalized with cardiogenic shock or sepsis 3. Subject received prior PA pressure sensor implant (control arm only)

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

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

Heart failure

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

  • Abbott

    RECRUITING

    Pleasanton, California, 94588, United States

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