Heart drug showdown: which works best after bypass?
NCT ID NCT07144267
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two drugs, milrinone and epinephrine, to treat right heart dysfunction that can occur after cardiac surgery. The trial will enroll 102 adults undergoing heart surgery with a heart-lung machine. The goal is to see which drug better improves right heart function right after surgery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- milrinone and epinephrine
- What this could lead to
- If this trial succeeds, it could show which drug is better at helping the right side of the heart recover after heart surgery, potentially improving patient outcomes.
- What could go wrong
- This is a small, early-stage trial with only 102 participants, so results may not apply to everyone. Both drugs have known side effects like arrhythmias.
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 102 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
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 to 70 years
- 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: * American Society of Anesthesiologists (ASA) physical status II \& III * Age between 18 and 70 years * Both Gender * Body mass index less than 40 kg/m2 * Ejection fraction of \>40% * Tricuspid annular plane systolic excursion (TAPSE) \< 1.7cm Exclusion Criteria: * Patient refusal. * Preoperative RV impairment * Pulmonary hypertension (estimated pulmonary artery systolic pressure \> 50 mmHg) * Patients with any contraindications to Transesophageal echocardiography (TEE) * Redo or Re-exploration surgery * Patients with chronic kidney disease (serum creatinine \> 1.5 mg/ dl) * Patients with chronic liver disease (child pugh B and C)
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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 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.
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Other studies related to the condition(s) this trial covers.
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