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Second infusion of designer cells aims to rescue failing hearts

NCT ID NCT07516288

Disease control Sponsor: Second Affiliated Hospital, School of Medicine, Zhejiang University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This early study tests whether a second infusion of a patient's own modified immune cells (CAR-DC) is safe and can improve heart function in 5 adults with end-stage dilated cardiomyopathy. Participants had already received one dose but saw their heart function worsen again. The goal is to see if a repeat dose can help control the disease without serious side effects.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 5 people

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

Started

May 2026

Expected to finish

Dec 2027

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

18 to 75 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: * ≥18 years and ≤75 years of age, with a confirmed diagnosis of dilated cardiomyopathy. * Patients who previously received a single infusion of immunosuppressive CAR-DC (iCDC) therapy and, at 6 months after the first treatment, failed to maintain improvement in cardiac function, with cardiac function declining to baseline levels prior to treatment. These patients should have persistent heart failure symptoms that cannot be adequately improved, with left ventricular ejection fraction (LVEF) \<35%, New York Heart Association (NYHA) functional class III-IV, and INTERMACS profile 3-6. * Able to verbally confirm understanding of the risks, benefits, and alternative treatment options of the second administration of iCDC therapy, and willing to participate in the study. The participant or his/her legal representative must provide written informed consent prior to enrollment. * Hematocrit \>30%, lymphocyte count \>0.5 × 10⁹/L, and platelet count \>60 × 10⁹/L. Exclusion Criteria: * Severe renal failure or requirement for renal dialysis, or serum creatinine \>2.5 mg/dL. * Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) levels greater than 5.0 times the upper limit of normal (ULN), or total bilirubin \>3 mg/dL. * Presence of active infections at screening, including: Active hepatitis B infection with hepatitis B virus DNA \>1000 copies/mL by PCR testing; Hepatitis C virus infection; Syphilis; Human immunodeficiency virus (HIV) infection; Uncontrolled systemic fungal, bacterial, viral, or other pathogenic infections. * Severe hemodynamic instability (e.g., shock). * Known contraindications to the investigational product or study-related procedures.

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Conditions

The condition(s) this trial relates to.

dilated cardiomyopathy heart failure

As listed by the trial registrant

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

Dilated cardiomyopathy (DCM) 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

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Contacts and locations

Locations

  • Second Affiliated Hospital, School of Medicine, Zhejiang University

    RECRUITING

    Hangzhou, Zhejiang / 浙江, 310009, China

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