New hydration strategy to prevent kidney injury during heart procedures

ImproviNg rEnal Outcomes Following Coronary angiograPhy and/or percuTaneoUs coroNary intErventions: a Pragmatic, Adaptive, Patient-oriented Randomized Controlled Trial

Not applicable Interventional Montreal Heart Institute · NCT04936607

This study is testing a new personalized hydration method to see if it can help prevent kidney injury in people having heart procedures like angiograms.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment1158 (estimated)
Ages18 Years and up
SexAll
SponsorMontreal Heart Institute Academic / other
Locations1 site (Montreal, Quebec)
Trial IDNCT04936607 on ClinicalTrials.gov

What this trial studies

The NEPTUNE trial evaluates a personalized intravenous hydration strategy aimed at preventing contrast-induced acute kidney injury (CI-AKI) in patients undergoing coronary angiograms and/or percutaneous coronary interventions. Participants will be randomized to receive either a tailored hydration approach based on their left ventricular end-diastolic pressure and renal function or standard hydration. The trial is triple-blind, ensuring that both participants and operators are unaware of treatment allocations. Key outcomes include the incidence of CI-AKI and major adverse renal and cardiovascular events, assessed by an independent committee.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older scheduled for a coronary angiogram or PCI with a life expectancy of at least six months.

Not a fit: Patients experiencing cardiogenic shock, requiring emergent procedures, or with severe pre-existing conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the risk of kidney injury in patients undergoing heart procedures.

How similar studies have performed: Previous studies have explored hydration strategies for CI-AKI, but this specific adaptive approach is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥18 years;
* Planned coronary angiogram and/or PCI;
* Willingness to participate and to attend study visits;
* Expected life expectancy ≥6 months.

Exclusion Criteria:

* Cardiogenic or non-cardiogenic shock at the time of the procedure;
* Emergent procedures (e.g. STEMI);
* Iodine-based contrast media received within 2 days;
* Presence of Intra-Aortic Balloon Pump (IABP);
* Cardiac arrest within 24 hours;
* Pre-procedural AKI defined using the modified KDIGO criteria within 7 days;
* Renal replacement therapy;
* Severe aortic or mitral disease;
* LVEF \<30%.

Where this trial is running

Montreal, Quebec

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Contrast-Induced Acute Kidney InjuryRandomized controlled trialPragmatic trialAdaptive trialPatient-oriented trialContrast-induced NephropathyAcute Kidney InjuryCoronary angiography
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.