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Could your own stem cells ease incurable chest pain?

NCT ID NCT03455725

Disease control Sponsor: BioCardia, Inc. 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 trial tests whether injecting a patient's own bone marrow stem cells into the heart can improve exercise ability and reduce chest pain in people with severe, untreatable angina. About 343 participants will either receive the stem cell treatment or a sham procedure. The goal is to see if this approach offers a new option for those who have not responded to standard therapies.

What this could mean

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

Active substance
patient's own bone marrow stem cells
What this could lead to
If it works, this could offer a new treatment option for people with severe chest pain who have run out of standard options.
What could go wrong
This is a mid-stage trial, so results may not confirm benefit. The procedure involves heart injections, which carry risks like bleeding or heart damage.

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.

Participants

About 343 people

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

Started

Jun 2021

Expected to finish

Dec 2027

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.

Ages

21 to 80 years

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: 1. Male or female 21 to 80 years of age 2. Canadian Cardiovascular Society (CCS) class III or IV chronic refractory angina. 3. Lack of control of angina symptoms despite maximum tolerated doses of anti-angina drugs. 4. Evidence of inducible myocardial ischemia on baseline stress testing 5. Obstructive coronary disease unsuitable for conventional revascularization 6. Experience angina episodes at a minimum of 7 angina episodes per week (during a 4-week screening period). 7. Able to complete an exercise tolerance test on the treadmill 8. Left ventricular ejection fraction of greater than or equal to 40% as measured by echocardiography. 9. Qualification of a pre-procedure screening of bone-marrow aspiration Exclusion Criteria Other cardiac or vascular system or other health-related criteria which may be seen in a patient's history and physical examination.

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Conditions

The condition(s) this trial relates to.

Angina Pectoris myocardial ischemia

As listed by the trial registrant

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

Chronic myocardial ischemia Refractory angina

Contacts and locations

Locations

  • University of Florida

    Gainesville, Florida, 32610, United States

  • University of Wisconsin Madison

    Madison, Wisconsin, 53792, United States

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