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A balloon that coats heart arteries in drug, no stent left behind

NCT ID NCT07811024

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 15, 2026 · Updated 3 times

Summary

Researchers are testing whether a balloon catheter coated with the drug sirolimus can safely open narrowed coronary arteries in adults with heart disease. The balloon inflates to press the drug into the artery wall, aiming to keep the vessel open without leaving a permanent stent. The trial enrolls 60 adults with narrowed arteries, including blockages inside a previous stent and small vessels, and follows them for five years to track heart-related complications.

What this could mean

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

Active substance
a sirolimus-coated balloon catheter that delivers the drug sirolimus to the artery wall
What this could lead to
If it works, the balloon could offer a way to treat narrowed heart arteries without leaving a permanent metal stent behind, which may matter most for small vessels and arteries that have narrowed inside an existing stent.
What could go wrong
The trial is small, with 60 participants, and it measures safety and feasibility rather than proving the balloon works better than standard care. Drug-coated balloons can fail to keep the artery open, and the procedure carries risks such as artery injury, blood clots, or heart attack.

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 60 people

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

Started

Aug 2026

Expected to finish

May 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.

Ages

21 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: * Age ≥ 21 years * Provided written informed consent * If a woman of child-bearing potential, agrees to use a reliable method of contraception from the time of screening through 12 months after the index procedure * Diagnosed with symptomatic ischemic heart disease, stable or unstable angina with signs of ischemia, silent ischemia, or a positive function test * Eligible for percutaneous coronary intervention (PCI) * Able to tolerate dual antiplatelet therapy with aspirin, plus either Clopidogrel, Prasugrel, or Ticagrelor * Any non-target lesions to be treated during the index procedure have been successfully treated * Meets the additional Inclusion criteria for the corresponding arm * Target lesion \> 50% and \< 100% stenosed by QCA in symptomatic patients, and \> 70% and \< 100% stenosed in asymptomatic patients prior to lesion pre-treatment * Distal TIMI grade flow of 3 * Target lesion must be ≤ 26mm length * Successful pre-treatment of the target lesion * Target lesion is within a native coronary artery or major branch * Inclusion Criteria (Additional for ISR arm): * Reference vessel diameter is ≥ 2.0 mm and ≤ 4.0 mm * Restenosis of stented coronary artery (Includes BMS and DES). The target lesion may have been treated with no more than 2 stents * Target lesion is within a previously placed BMS or DES and does not extend further than 5 mm beyond either the proximal or distal edge of the stent * Confirmed stent expansion ≥ 80% of distal reference vessel diameter by angiography and there is no malposed stent struts * Inclusion Criteria (Additional for PK Sub-Study): * Eligible for treatment in the ISR arm with one of the ten largest device sizes * Inclusion Criteria (Additional for DNSV arm): * Reference vessel diameter is ≥ 2.0 mm and ≤ 2.75 mm Exclusion Criteria: * Pregnant or nursing patients * Subject presents with NSTEMI and rising biomarkers, or ongoing chest pain or is hemodynamically unstable * Subject with history of ST-elevation myocardial infarction (STEMI) within 30 days of the index procedure * Subject with planned major surgery within 30 days following the index procedure * Subject with planned treatment of lesion involving aorto-ostial location * History of previous target vessel perforation * Cardiogenic shock * Patients with lesions requiring interventional treatment in more than two vessels * Extensive peripheral vascular disease that precludes safe sheath insertion * Ostial lesion or planned future treatments * Diffuse disease distal to target lesion with impaired runoff * Subject is considered not able to tolerate at least 30 seconds of coronary occlusion for the target lesion treated * Previous PCI of target vessel within 6 months prior to the procedure * Planned PCI of any vessel within 30 days post index procedure and/or planned PCI of the target vessel within 12 months post procedure * Currently participating or planning to participate, within 24 months of the index procedure, in an investigational drug or device trial * Patient is a recipient of a heart transplant * Known hypersensitivity or contraindication to aspirin, heparin, bivalirudin, or contrast agent * History of allergic reaction or sensitivity to sirolimus or other analogue or derivative * Known hypersensitivity to excipients with phospholipid or related origins and Poly(lactic-co-glycolic acid) (PLGA) * Platelet count \<100,000 cells/mm3 or \>700,000 cells/mm3 or a white blood cell count of \<3,000 cells/mm3 * Known renal insufficiency (e.g. serum creatinine \>2.5mg/dL, or creatinine clearance ≤30 mL/min), or subject on dialysis, or acute kidney failure confirmed by 50% increase of serum creatinine within 48 hours before procedure and/or decrease in urine output * Subject with history of New York Heart Association (NYHA) class III or IV heart failure * History of bleeding diathesis, active peptic ulcer or GI bleeding within prior 6 months or coagulopathy or will refuse blood transfusions * Planned surgery that would cause interruption in recommended DAPT duration per current guidelines * History of a stroke within 6 months prior to the index procedure * Concurrent life conditions with a life expectancy of less than 24 months * In Investigator's opinion, the patient is not a good candidate for the study * Left ventricular ejection fraction \< 30% * Unprotected left main coronary artery disease with ≥ 50% stenosis * Target lesion at a bifurcation Note: A target lesion near a bifurcation is allowed if only a single vessel (either main vessel or side branch) is to be treated * Evidence of extensive thrombus or dissection in target lesion * Chronic total occlusion (CTO) in target lesion * \>30% residual stenosis after pre-treatment of target lesion * Target lesion is located in the left main or within any arterial or venous graft * Target lesion is in a side branch that is "jailed" by a main vessel stent * \> 50% stenosis of an additional proximal lesion or clinically significant distal lesion (in a vessel \>2.0mm RVD) to the target or non-target lesion * Target vessel is excessively tortuous, defined as more than one bend \> 90° to reach target lesion * Exclusion Criteria (Additional for ISR arm): * Target lesion is the 3rd or greater stent failure (i.e., more than two \[2\] layers of stent are present at any segment of the target lesion) * Target vessel had any previous vascular brachytherapy treatment or is planned to undergo brachytherapy at index procedure * If single-layer ISR, any previous treatment (other than balloon angioplasty alone) of the target vessel for restenosis If double-layer ISR, any treatment (other than balloon angioplasty alone) of the double-layer ISR restenosis * Exclusion Criteria (Additional for PK Sub-Study): * Any limus family (Zotarolimus, Everolimus, Sirolimus etc.) eluting device has been placed/used in any part of the body within 3 months prior to the index procedure including any non-target lesion treated during the index procedure * The subject is taking or has taken within the last 3 months any limus family medication(s) for any reason * Subject is taking strong CYP3A4 Inhibitors within 14 days before the index procedure or plans to take the strong inhibitors during the study period (Strong inhibitors include: cobicistat; ritonavir; indinavir and ritonavir; itraconazole; ketoconazole; lopinavir and ritonavir; paritaprevir and ritonavir and ombitasvir (and/or dasabuvir); posaconazole; saquinavir and ritonavir; tipranavir and ritonavir; elvitegravir and ritonavir; telithromycin; voriconazole; ceritinib; clarithromycin; idealalisib; nefazodone; nelfinavir) * Subject is taking strong CYP3A4 Inducers within 14 days before the index procedure or plans to take the strong inducers during the study period (Strong inducers include apalutamide; carbamazepine; enzalutamide; ivosidenib; lumacaftor and ivacaftor; mitotane; phenytoin; rifampin; St. John's wort) * Exclusion Criteria (Additional for DNSV arm): * Type C lesion * Calcified or angular target lesion which cannot be pre-dilated with high pressure balloons, scoring balloon or IVL * In-stent restenosis

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    2 sites. 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

  • Republican Research Centre of Emergency Medicine

    RECRUITING

    Tashkent, 100052, Uzbekistan

  • Republican Specialized Scientific and Practical Medical Center of Cardiology

    RECRUITING

    Tashkent, 100052, Uzbekistan

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