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Heart artery showdown: balloon or stent for big vessels?
NCT ID NCT06448637
First seen Jun 27, 2026 · Last updated Aug 06, 2026 · Updated 2 times
Summary
This study looks at two ways to treat blocked large heart arteries (≥3.5 mm) in people with coronary artery disease. One method uses a drug-coated balloon, the other a drug-releasing stent. The goal is to see which helps the artery relax and function better 8 months after treatment. About 94 adults will take part.
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
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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
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About 94 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2024
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: Patients who meet all of the following conditions are included. * Patients aged ≥ 18 years and; * Patients with chronic coronary syndrome, acute coronary syndrome without ST segment elevation or acute coronary syndrome with elevation ST segment in non-culprit lesions 48 hours after the event and; * Patients with de novo lesions in vessels ≥ 3.5 mm without calcification significant no visible thrombus and; * Patients who have been informed of the characteristics of the study and have provided their written informed consent. Exclusion Criteria: Patients who meet at least one of the following conditions are excluded: * Patients with any contraindication for the administration of acetylcholine (ACh) or nitroglycerin (NTG). * Patients with a history of coronary vasospasm or spontaneous dissection of the coronary artery. * Patients with significant medical, surgical or psychiatric condition that would affect the safety of the subject or influence the outcome of the study according to the doctor's opinion. * Patients who received a combination of DES and DCB in the same vessel * Patients with glomerular filtration rate \<30 ml/min/ 1.73 m2 * Patients with body mass index \>35 (may affect the evaluation qualitative diameter of the coronary artery). * Patients with symptomatic congestive heart failure. * Patients with significant autoimmune inflammatory conditions and patients taking immunomodulatory medications (including methotrexate, cyclosporine, steroids). * Patients with heart transplant. * Patients with anemia (Hb \<12 g/dL in men and \<10 g/dL in women). * Patients, women of childbearing age with a positive pregnancy test. * Pregnant female patients. * Patients included in other clinical trials with active follow-up.
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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.
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The places running it
8 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Hospital Provincial de Pontevedra
RECRUITINGPontevedra, 36071, Spain
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Hospital Universitari Vall d'Hebron
RECRUITINGBarcelona, 08035, Spain
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Hospital Universitari de Tarragona Joan XXIII
RECRUITINGTarragona, 43005, Spain
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Hospital Universitario Central de Asturias
RECRUITINGOviedo, 33011, Spain
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Hospital Universitario Juan Ramón Jiménez
RECRUITINGHuelva, 21005, Spain
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Hospital Universitario Lucus Augusti
RECRUITINGLugo, 270003, Spain
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Hospital Universitario de Cabueñes
RECRUITINGGijón, 33394, Spain
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Hospital Universitario de Leon
RECRUITINGLeón, 24008, Spain
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a new drug cool the hidden inflammation that fuels heart disease?
- New CT scanner aims to cut unnecessary heart procedures
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- A soft patch that watches your heart beat in real time
- Zapping the ear: a new way to stop Post-Surgery heart rhythm problems?